From: Mattias Jonsson Date: August 28 2009 10:56am Subject: bzr commit into mysql-5.1 branch (mattias.jonsson:3084) Bug#20577 Bug#46362 List-Archive: http://lists.mysql.com/commits/81843 X-Bug: 20577,46362 Message-Id: <20090828105620.B02A2250DAF0@client-10-129-10-237.upp.off.mysql.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="Boundary_(ID_Axuyfwxojr0W44jmgLRYNg)" --Boundary_(ID_Axuyfwxojr0W44jmgLRYNg) MIME-version: 1.0 Content-type: text/plain; CHARSET=US-ASCII Content-transfer-encoding: 7BIT Content-disposition: inline #At file:///Users/mattiasj/clones/bzrroot/topush-51-bugteam/ based on revid:mattias.jonsson@stripped 3084 Mattias Jonsson 2009-08-28 [merge] Manual merge between bug#46362 and bug#20577. @ sql/opt_range.cc Removed duplicate code (if statement must have been duplicated during earlier merge). @ sql/sql_partition.cc After mergeing bug#46362 and bug#20577, the NULL partition was also searched when col = const, fixed by checking if = or range. modified: mysql-test/r/partition_pruning.result mysql-test/t/partition_pruning.test sql-common/my_time.c sql/item.cc sql/item.h sql/item_timefunc.cc sql/opt_range.cc sql/sql_partition.cc === modified file 'mysql-test/r/partition_pruning.result' --- a/mysql-test/r/partition_pruning.result 2009-08-26 10:59:49 +0000 +++ b/mysql-test/r/partition_pruning.result 2009-08-28 10:55:59 +0000 @@ -109,6 +109,63 @@ a 0001-01-01 1001-00-00 1001-01-01 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p1001-01-01 system a NULL NULL NULL 1 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 range a a 4 NULL 2 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 range a a 4 NULL 2 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 range a a 4 NULL 3 Using where; Using index # test without index ALTER TABLE t1 DROP KEY a; SELECT * FROM t1 WHERE a < '1001-01-01'; @@ -210,6 +267,63 @@ a 0001-01-01 1001-00-00 1001-01-01 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p1001-01-01 system NULL NULL NULL NULL 1 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01,p2001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p0001-01-01,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where DROP TABLE t1; # test of LIST and index CREATE TABLE t1 (a DATE, KEY(a)) @@ -322,6 +436,63 @@ a 0001-01-01 1001-00-00 1001-01-01 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p1001-01-01 system a NULL NULL NULL 1 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 range a a 4 NULL 3 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL range a a 4 NULL 2 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL range a a 4 NULL 2 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ref a a 4 const 1 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 range a a 4 NULL 4 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01 range a a 4 NULL 2 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p1001-01-01 range a a 4 NULL 3 Using where; Using index # test without index ALTER TABLE t1 DROP KEY a; SELECT * FROM t1 WHERE a < '1001-01-01'; @@ -423,6 +594,684 @@ a 0001-01-01 1001-00-00 1001-01-01 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p1001-01-01 system NULL NULL NULL NULL 1 +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1001-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a < '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a <= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a >= '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a > '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p2001-01-01,pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a = '1999-02-31'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0000-00-00' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p0000-01-02,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-02' AND '1002-00-00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pNULL,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE a BETWEEN '0001-01-01' AND '1001-01-01'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p0001-01-01,pNULL,p1001-01-01 ALL NULL NULL NULL NULL 7 Using where +DROP TABLE t1; +# Test with DATETIME column NOT NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATETIME NOT NULL, +PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), +(1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), +(1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 6 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 8 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 8 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 index NULL PRIMARY 12 NULL 13 Using where; Using index +DROP TABLE t1; +# Test with DATE column NOT NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE NOT NULL, +PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), +(1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), +(1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 5 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 7 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 7 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 index NULL PRIMARY 7 NULL 12 Using where; Using index +DROP TABLE t1; +# Test with DATETIME column NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATETIME NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), +(1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), +(1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 6 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 8 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 8 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090402 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 13 Using where +DROP TABLE t1; +# Test with DATE column NULL +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), +(1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), +(1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), +(1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 5 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 7 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402,p20090403 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090402 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +EXPLAIN PARTITIONS SELECT * FROM t1 +WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401,p20090403,p20090404,p20090405 ALL NULL NULL NULL NULL 12 Using where +DROP TABLE t1; +# For better code coverage of the patch +CREATE TABLE t1 ( +a int(10) unsigned NOT NULL, +b DATE +) PARTITION BY RANGE ( TO_DAYS(b) ) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), +PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), +PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), +PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), +PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (2, NULL); +# test with an invalid date, which lead to item->null_value is set. +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-99' AS DATETIME); +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p20090401 ALL NULL NULL NULL NULL 2 Using where +Warnings: +Warning 1292 Incorrect datetime value: '2009-04-99' +Warning 1292 Incorrect datetime value: '2009-04-99' DROP TABLE t1; CREATE TABLE t1 (a INT NOT NULL AUTO_INCREMENT, === modified file 'mysql-test/t/partition_pruning.test' --- a/mysql-test/t/partition_pruning.test 2009-08-26 10:59:49 +0000 +++ b/mysql-test/t/partition_pruning.test 2009-08-28 10:55:59 +0000 @@ -53,6 +53,313 @@ ALTER TABLE t1 DROP KEY a; DROP TABLE t1; # +# Bug#46362: Endpoint should be set to false for TO_DAYS(DATE) +# There is a problem when comparing DATE with DATETIME. +# In pruning it is converted into the field type +# and in row evaluation it is converted to longlong +# (like a DATETIME). +--echo # Test with DATETIME column NOT NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATETIME NOT NULL, + PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), + (1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), + (1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATE column NOT NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE NOT NULL, + PRIMARY KEY (a, b) +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), + (1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), + (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATETIME column NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATETIME NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-02 23:59:59'), + (1, '2009-04-03'), (2, '2009-04-03'), (1, '2009-04-04'), (2, '2009-04-04'), + (1, '2009-04-05'), (1, '2009-04-06'), (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # Test with DATE column NULL +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE NULL +) PARTITION BY RANGE (TO_DAYS(b)) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (1, '2009-04-01'), (2, '2009-04-01'), + (1, '2009-04-02'), (2, '2009-04-02'), (1, '2009-04-03'), (2, '2009-04-03'), + (1, '2009-04-04'), (2, '2009-04-04'), (1, '2009-04-05'), (1, '2009-04-06'), + (1, '2009-04-07'); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:59' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > CAST('2009-04-03' AS DATE); +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03 00:00:00'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-02 23:59:59'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b <= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b = '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b >= '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b > '2009-04-03'; +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-03 00:00:01' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b < CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b <= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b = CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b >= CAST('2009-04-02 23:59:58' AS DATETIME); +EXPLAIN PARTITIONS SELECT * FROM t1 + WHERE b > CAST('2009-04-02 23:59:58' AS DATETIME); +DROP TABLE t1; + +--echo # For better code coverage of the patch +CREATE TABLE t1 ( + a int(10) unsigned NOT NULL, + b DATE +) PARTITION BY RANGE ( TO_DAYS(b) ) +(PARTITION p20090401 VALUES LESS THAN (TO_DAYS('2009-04-02')), + PARTITION p20090402 VALUES LESS THAN (TO_DAYS('2009-04-03')), + PARTITION p20090403 VALUES LESS THAN (TO_DAYS('2009-04-04')), + PARTITION p20090404 VALUES LESS THAN (TO_DAYS('2009-04-05')), + PARTITION p20090405 VALUES LESS THAN MAXVALUE); +INSERT INTO t1 VALUES (1, '2009-01-01'), (2, NULL); +--echo # test with an invalid date, which lead to item->null_value is set. +EXPLAIN PARTITIONS SELECT * FROM t1 WHERE b < CAST('2009-04-99' AS DATETIME); +DROP TABLE t1; + +# # Bug#40972: some sql execution lead the whole database crashing # # Setup so the start is at partition pX and end is at p1 === modified file 'sql-common/my_time.c' --- a/sql-common/my_time.c 2009-06-11 16:21:32 +0000 +++ b/sql-common/my_time.c 2009-08-26 10:51:23 +0000 @@ -450,9 +450,7 @@ str_to_datetime(const char *str, uint le } } - DBUG_RETURN(l_time->time_type= - (number_of_fields <= 3 ? MYSQL_TIMESTAMP_DATE : - MYSQL_TIMESTAMP_DATETIME)); + DBUG_RETURN(l_time->time_type); err: bzero((char*) l_time, sizeof(*l_time)); === modified file 'sql/item.cc' --- a/sql/item.cc 2009-08-24 19:47:08 +0000 +++ b/sql/item.cc 2009-08-28 10:55:59 +0000 @@ -6853,14 +6853,21 @@ void resolve_const_item(THD *thd, Item * } /** - Return true if the value stored in the field is equal to the const - item. + Compare the value stored in field, with the original item. - We need to use this on the range optimizer because in some cases - we can't store the value in the field without some precision/character loss. + @param field field which the item is converted and stored in + @param item original item + + @return Return an integer greater than, equal to, or less than 0 if + the value stored in the field is greater than, equal to, + or less than the original item + + @note We only use this on the range optimizer/partition pruning, + because in some cases we can't store the value in the field + without some precision/character loss. */ -bool field_is_equal_to_item(Field *field,Item *item) +int stored_field_cmp_to_item(Field *field, Item *item) { Item_result res_type=item_cmp_type(field->result_type(), @@ -6871,28 +6878,49 @@ bool field_is_equal_to_item(Field *field char field_buff[MAX_FIELD_WIDTH]; String item_tmp(item_buff,sizeof(item_buff),&my_charset_bin),*item_result; String field_tmp(field_buff,sizeof(field_buff),&my_charset_bin); + enum_field_types field_type; item_result=item->val_str(&item_tmp); if (item->null_value) - return 1; // This must be true + return 0; field->val_str(&field_tmp); - return !stringcmp(&field_tmp,item_result); + + /* + If comparing DATE with DATETIME, append the time-part to the DATE. + So that the strings are equally formatted. + A DATE converted to string is 10 characters, and a DATETIME converted + to string is 19 characters. + */ + field_type= field->type(); + if (field_type == MYSQL_TYPE_DATE && + item_result->length() == 19) + field_tmp.append(" 00:00:00"); + else if (field_type == MYSQL_TYPE_DATETIME && + item_result->length() == 10) + item_result->append(" 00:00:00"); + + return stringcmp(&field_tmp,item_result); } if (res_type == INT_RESULT) - return 1; // Both where of type int + return 0; // Both are of type int if (res_type == DECIMAL_RESULT) { my_decimal item_buf, *item_val, field_buf, *field_val; item_val= item->val_decimal(&item_buf); if (item->null_value) - return 1; // This must be true + return 0; field_val= field->val_decimal(&field_buf); - return !my_decimal_cmp(item_val, field_val); + return my_decimal_cmp(item_val, field_val); } double result= item->val_real(); if (item->null_value) + return 0; + double field_result= field->val_real(); + if (field_result < result) + return -1; + else if (field_result > result) return 1; - return result == field->val_real(); + return 0; } Item_cache* Item_cache::get_cache(const Item *item) === modified file 'sql/item.h' --- a/sql/item.h 2009-08-26 12:40:18 +0000 +++ b/sql/item.h 2009-08-28 10:55:59 +0000 @@ -583,8 +583,8 @@ public: left_endp FALSE <=> The interval is "x < const" or "x <= const" TRUE <=> The interval is "x > const" or "x >= const" - incl_endp IN TRUE <=> the comparison is '<' or '>' - FALSE <=> the comparison is '<=' or '>=' + incl_endp IN FALSE <=> the comparison is '<' or '>' + TRUE <=> the comparison is '<=' or '>=' OUT The same but for the "F(x) $CMP$ F(const)" comparison DESCRIPTION @@ -3125,4 +3125,4 @@ void mark_select_range_as_dependent(THD extern Cached_item *new_Cached_item(THD *thd, Item *item); extern Item_result item_cmp_type(Item_result a,Item_result b); extern void resolve_const_item(THD *thd, Item **ref, Item *cmp_item); -extern bool field_is_equal_to_item(Field *field,Item *item); +extern int stored_field_cmp_to_item(Field *field, Item *item); === modified file 'sql/item_timefunc.cc' --- a/sql/item_timefunc.cc 2009-08-26 10:59:49 +0000 +++ b/sql/item_timefunc.cc 2009-08-28 10:55:59 +0000 @@ -1006,15 +1006,19 @@ longlong Item_func_to_days::val_int_endp point to day bound ("strictly less" comparison stays intact): col < '2007-09-15 00:00:00' -> TO_DAYS(col) < TO_DAYS('2007-09-15') + col > '2007-09-15 23:59:59' -> TO_DAYS(col) > TO_DAYS('2007-09-15') which is different from the general case ("strictly less" changes to "less or equal"): col < '2007-09-15 12:34:56' -> TO_DAYS(col) <= TO_DAYS('2007-09-15') */ - if (!left_endp && !(ltime.hour || ltime.minute || ltime.second || - ltime.second_part)) - ; /* do nothing */ + if ((!left_endp && !(ltime.hour || ltime.minute || ltime.second || + ltime.second_part)) || + (left_endp && ltime.hour == 23 && ltime.minute == 59 && + ltime.second == 59)) + /* do nothing */ + ; else *incl_endp= TRUE; return res; === modified file 'sql/opt_range.cc' --- a/sql/opt_range.cc 2009-08-26 12:40:18 +0000 +++ b/sql/opt_range.cc 2009-08-28 10:55:59 +0000 @@ -5856,7 +5856,7 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND but we'll need to convert '>' to '>=' and '<' to '<='. This will be done together with other types at the end of this function - (grep for field_is_equal_to_item) + (grep for stored_field_cmp_to_item) */ } else @@ -5934,7 +5934,7 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND switch (type) { case Item_func::LT_FUNC: - if (field_is_equal_to_item(field,value)) + if (stored_field_cmp_to_item(field,value) == 0) tree->max_flag=NEAR_MAX; /* fall through */ case Item_func::LE_FUNC: @@ -5948,11 +5948,16 @@ get_mm_leaf(RANGE_OPT_PARAM *param, COND break; case Item_func::GT_FUNC: /* Don't use open ranges for partial key_segments */ - if (field_is_equal_to_item(field,value) && - !(key_part->flag & HA_PART_KEY_SEG)) + if ((!(key_part->flag & HA_PART_KEY_SEG)) && + (stored_field_cmp_to_item(field, value) <= 0)) tree->min_flag=NEAR_MIN; - /* fall through */ + tree->max_flag= NO_MAX_RANGE; + break; case Item_func::GE_FUNC: + /* Don't use open ranges for partial key_segments */ + if ((!(key_part->flag & HA_PART_KEY_SEG)) && + (stored_field_cmp_to_item(field,value) < 0)) + tree->min_flag= NEAR_MIN; tree->max_flag=NO_MAX_RANGE; break; case Item_func::SP_EQUALS_FUNC: @@ -6443,13 +6448,6 @@ key_and(RANGE_OPT_PARAM *param, SEL_ARG return 0; // Can't optimize this } - if ((key1->min_flag | key2->min_flag) & GEOM_FLAG) - { - key1->free_tree(); - key2->free_tree(); - return 0; // Can't optimize this - } - key1->use_count--; key2->use_count--; SEL_ARG *e1=key1->first(), *e2=key2->first(), *new_tree=0; === modified file 'sql/sql_partition.cc' --- a/sql/sql_partition.cc 2009-08-26 10:59:49 +0000 +++ b/sql/sql_partition.cc 2009-08-28 10:55:59 +0000 @@ -6730,6 +6730,7 @@ int get_part_iter_for_interval_via_mappi Field *field= part_info->part_field_array[0]; uint32 max_endpoint_val; get_endpoint_func get_endpoint; + bool can_match_multiple_values; /* is not '=' */ uint field_len= field->pack_length_in_rec(); part_iter->ret_null_part= part_iter->ret_null_part_orig= FALSE; @@ -6768,9 +6769,13 @@ int get_part_iter_for_interval_via_mappi else assert(0); - if (part_info->part_type == RANGE_PARTITION || - part_info->has_null_value) + can_match_multiple_values= (flags || !min_value || !max_value || + memcmp(min_value, max_value, field_len)); + if (can_match_multiple_values && + (part_info->part_type == RANGE_PARTITION || + part_info->has_null_value)) { + /* Range scan on RANGE or LIST partitioned table */ enum_monotonicity_info monotonic; monotonic= part_info->part_expr->get_monotonicity_info(); if (monotonic == MONOTONIC_INCREASING_NOT_NULL || @@ -6812,6 +6817,14 @@ int get_part_iter_for_interval_via_mappi store_key_image_to_rec(field, min_value, field_len); bool include_endp= !test(flags & NEAR_MIN); part_iter->part_nums.start= get_endpoint(part_info, 1, include_endp); + if (!can_match_multiple_values && part_info->part_expr->null_value) + { + /* col = x and F(x) = NULL -> only search NULL partition */ + part_iter->part_nums.cur= part_iter->part_nums.start= 0; + part_iter->part_nums.end= 0; + part_iter->ret_null_part= part_iter->ret_null_part_orig= TRUE; + return 1; + } part_iter->part_nums.cur= part_iter->part_nums.start; if (part_iter->part_nums.start == max_endpoint_val) return 0; /* No partitions */ --Boundary_(ID_Axuyfwxojr0W44jmgLRYNg) MIME-version: 1.0 Content-type: text/bzr-bundle; CHARSET=US-ASCII; name*0="bzr/mattias.jonsson@stripped"; name*1=59-gr00jl2nbklmkykn.bundle Content-transfer-encoding: 7BIT Content-disposition: inline; filename*0="bzr/mattias.jonsson@stripped"; filename*1=59-gr00jl2nbklmkykn.bundle # Bazaar merge directive format 2 (Bazaar 0.90) # revision_id: mattias.jonsson@stripped # target_branch: file:///Users/mattiasj/clones/bzrroot/topush-51-\ # bugteam/ # testament_sha1: 32b1ddc67360d0cf140eb9828ccac76bf8f3b272 # timestamp: 2009-08-28 12:56:19 +0200 # source_branch: file:///Users/mattiasj/clones/bzrroot/topush4-51-\ # bugteam/ # base_revision_id: mattias.jonsson@stripped\ # c7yw0r7rj1ft7irg # # Begin bundle IyBCYXphYXIgcmV2aXNpb24gYnVuZGxlIHY0CiMKQlpoOTFBWSZTWUbP6v8AVIp/gH14DBB59/// f///4L////5gK9899rDY6vdvA3vfW++fNu+fIfPL75l8O3dcT32MTkfcw+veXc97KObW+51wm7bv pyF3txNjuWNB72DpDXxVX1UMZkJRDWnr7t21JdZCO3ThJNjayE1ps03anAnm0KlTrPp1zNiQHwkk EBDQ01T9J6TQxJsqbMjQTSaAaaeUANA0AaCSECYhASZGTSm8qepp6IAyaAAAAAAANMKaQpoUZ6RG QBpphNGjEZAAGQNGhkaGmglP1KlIVM1Bg1GmjTAJpppgRpkYEYEZMTQxMIwiiQCAATJpiKbSeImB U/KTT9U9qnkIeU0yepoMmynqeoFSSAQBNAE0yNBMjIjaiNM0JkMmnpqNGjQPRG3tEopQaVJJU9fm PxH8j9Yksgn+Sokk/wBQopFxEokesjyeqlWkt1u3TldaybtbVut2627+DS9LYSYiEiJhZICgfzRR aIVEIj4IDCiWiJXtRKpLrXUkLKWUIjSqpCh/IhEU+CH4goyCjgKiFuABclZgAAJI7XVbAAHtf2+e AenzPPIAA881XnXHLoABAgO9cr138Nr0tS1nlel6eeiwAB7PVvIHr9nngAhVXXbCGx+8H3Go0Iza Uq0stYtFpaEyxBIJJMESspLKQzBszoov5IouVEELxFFzTEBbERMTAhIf9IouJFF/BFFqDUiCFqKL eii6d2f2RKOqr2j4OcwZqeueW2MZxoNZ5yk6LnmF0HiN2BPOxze7RSp6QTERcA3gEQEQjA/z57df A/q0iOz8ZsrIaOC/V0QthXiHumZ74Na0snZP3NGWlnHI4o9xMe70UvMEitPzvTTvaYLc5Nioklxw ehiKiR8iGRXh7uVebFq8e+2hM0exXtVVVWuaVj2yI1UBQFEAGaGkWMYiCYB4yZeXPzWWOjXKxNI0 8mB/twkV7j4/uuvge3fHP4/Su7vLySSSSSAABID3ltrbXzK91/X3q9QAAkkkAAAAAAHrrWtWtata 1a1qv5ZXl5ata1a1q1rVrWrY1a1q1rVrWrWtWtatjVsatjVsatbJcXLliyyxZZYss13I60irG8kc fyu4pan0xaoHVBEBEC7Id0GEInjArwiTcquiGCGSCle61Hc5zQ/k970ib+qrkrDNNmKwm6hbkURI JjbbjURIxiSoW2Akgd5FGK0aJXL2xWbPUciJQrsckJCWHq2b64Y6vSqiVi+iBQ/GH99cg7cnbQbv y7KAAZKpDXrMouYzcpTc14yRxyaybZkAPk+VmrZmQ5mZzMzp905Xkt5tbZeWq88PB1hh7e9u7uV6 V6XcAdY55VavK8rlOlqqlLgouLiUVC1VSlwj0tr2/U70cm0/gjMnaUUopRShVKohvAREDtCRF/ZP uyRaw/ISQC45bccnIaCR+La3qRX6ru+T3cpDo6jhzuKC6PV7s65rLuYAlArI/qgp6fGfLyKvTvy2 dJMy1EAtIo1W7fw6X7QOHw7t3Sy23wWrs6Eki2Wyau+LMEdzBzpG+KSXaJytkBrC3tWwNEgR7Fsu Zy+9EVNbszNMyzRDMmYvJmVpvR5gIvhwEMwJH0tamjULO1ZvApsDDBZsMbNK7jWVAncReNWSAjsk DaUOzsEbEDOMmpFkppEgiK6Ml5Qgwgjko6FnXcNpaxiICDOdGGReECEQc5d4RIZmyongIGLOMXrH DHopFLzwPQ67N6mbanW4228YRIQa1Zz7wFeME76RHK4lhLqEejrvJcBf7/GrT2ePhUuyJhkBquJY DQ7kSJcHqR8vV7l8Sv6buAOwDUrtSwC7cdatdwB2AK1auU6sIlixKKhaqpSzPRO8/bv9ce4RbA9O IbBY0ggEPhuajv6EFr3iSAWI3j+cQ/aUG0MYg8eoTc+IcjKkEJSQxVREREUz7MZWLyE9wJgKgMGQ S+/TOUVAcYn/CkiD7OXGHyefV0QxCHrI9iPWj3o+hF5CayUiKJQiiUIolCKJQdRMwKG+daRw+VQk 8tnE+PZnNN1LrMeKBAExpWFEEuxNvB5avKTe74OMWK9+QNIW3m9JtUyg7pVTSLHuL7QXbSDep/2X Ygg+qxS2pPTSmr8CBJ2QaWn8f+/iC0uRx67rBw2TM4zgCD2xr7hDb0c1LuWK0kU6SJ0+iVlzIPSb kcH9x8h2VkbY6BwEs3x3IK4KWPleV43byaq6BziBYcAlXEf3m2VcBhHNFzTCGb25+vGL0IIgtu27 ZQ2G5Dr120vjFadKGbA254/xEkuR/uiyRBaRpnD1rcCTe1tZtzNZtLx74fiPnHBGQxtiiCgd7+si /rES7JbZWGa2327b66soIY0EMmdtQvUv79nhlqaui3wZmGO7zed23bzu9DOgUQ6clJ1ExOZTmOon xFIx8eUPStLAzHpZsLA5nMdV/0NRgGTDMzDS2ZdNFrrY113PnopvcFRnQBGLzr1jRBIO0OJhmZmZ mTNxIW9K5UpHh9tnre6zP5+uWq7a4SqqOg7BGHWYFxYuLixYsWLFixYsUXBcs8mAeWxtjeUkTzwR PPImGEyUkSkwgmSCevpnTkzrQ0oevQlB0HQui6NDBeveS8vXr168Yi8vMRgYDAYDAXOwatIkjjVU iUEUSKRQkpAUJKRQUikSmJrPaqVq1atWrVq1atWt7EOOiuRNvNba21ttgNWwGtpmmbW0O8k4OCid FO7COpRMVV2vxfjfWEUihJKSSmE8no+NwnmUpSUpKUlKJVK9aLIMkdq8Q8EJ4hmenI8WKPtOfwg+ Hg/xGPx60qPJvHVaowfdI+uLgnYG2hqeWPJDsa4haIv7Lwidpb7qAPY35iO+iZkUSiNLJBw1fj5r Z7r9+lflZxBoKkkH6nOkglFT9tJt+nQGclAqTK2/yR8wolChQoUKBcUDzFD42e8LdWnVOPq8duOs jpnEDPEGaWZiCYmR07dbcnTpI5zu7q1XK46OlykjoUuvlHBznXdRxVSpRPeAskmLn707yHUMDNRK KUpJJkKFChIbkUiRelFIpLiSSikSiXEWCL1EiLCElINyz6090UjVfOZcnBHGA9GojnQOfDeULIZD JhdWMGD6kmTMRzKi+JcR1zXxHG59abNylyHPrZSTOprOZZL1IvxR24wgmvIvEUORXUZUhY5+PPxF Ljjxk1T5YYZsGivjtkCrjJOelBhKJRiaFIgdcRAi4FYFRIiwYwICGYA/wHu5vjHL74QMMTHyxLMy vwKVElxY4TMQeMMmZmYhC0QtXBn7m5WzGmoQGafkmfEhUneNJsz2YLMUZFWCjIJMJGjPVAIe6RSx C6ZLrkTLLLT9a96haIpFEUkTFE8B4BgsWIUamxEvqpVVSkBJ0RAcBXqpXcupcyMoEMQwEFyJRS+j MIxBgSSVkBIiGqRGuQihHpbnJDXuEmUaKrS9G/A0EUkRcApJLyKBFEUIBIVK0SuMVZJgSqWMKkNl mFAkk04YouEUIxFkjPFpbGViiKwQixKQhQiWSMlVfMWO7dkjDNEsAoQk0mMiQip5NWxiAtfWlyKi CJITJCqwgwMGCs5vQD2EFLJvyZNqgaD1ZMOU+cU30mTli0SLCEsqIGKVgQITgQIopXkErRLyoUEs UpVKW2UmDSz3rnBmxbFlm1ufRyzZPXk/Loh6v7Zl98/aYSJ6hUQkOSIIUFdmEGoSoFYNcIodWlIE k5RDK4BzcdodnozzEPwZCmy0raKAJAzYMQglWRQpEIgBmqZ5mIcTEQwWaMkUkQddoQxqqlKkoqUU KKlFfUkFIIMiZZa6YIrzkeBCgWBZkC8kcV6JP0EdRVUiUZIzKOYRRZ41Lnd8fFzvz4waKVX8KjVW kVSpfTZToTX5noEJBFIxxaTcXduwRgd0hMZFR8jZYtTA3s8uPSnyu6/XhW0zhvocjYQhbk1ClHQi 7DtAn4WatJMcABwdySYpgZClX3iOZd9H6VJbWknnSTvrTqOYINemOemo1joWJk6+TGytSY/bJ6zW XcG+7jEdLHsI6/LqbK6edq75NNdjrDYc75Hc7HQ1u9J0t7qa3U7W+cc5IVivbmp4yy8jqLAEOyBV hIBKCPabGkF2YkmZRDeON4jj8xshsrCSgFVVFSYPG5cb4ZCKXtGy5JPFBQRfhbzNepxcQdywUogQ RZUUElVeI58C39hmEno1UKV8jPOPQTIIn6+BKwixURJiu50O8lJkhbU7ZSZmEAGnAWQIX1Qnvnqz HCEVCN5OwEL5cZTQVvip2oUgN32BBF+ZscSS0ow+ps8gaXqvIkwg2HnqIwcq713zY6F6lkFhppBY gc4m5NFipqemzRk86+LNTnYsX1x7UPNwhnGV88nTEcYiehQKkVEWSOPTW06egm/K112QQpHO0kzx FXjbjSs4aoi/YnEJJXSFVsYE9yHJoRLuo1C1NHtXkCHoNeepGpUpPXWWuKZvO6kTZqkQSO1D4lUb kNmDmW0bGc9xp4ankLal3XAZBeg/eadGjmM+JPxLrchgbBvD4hYeecDszcy+AYOK5Z3GqHMxeOjA vZtzsjc1nYVtiG1LU/Peh5zvZLEo6DqL14gpfsywbs1OTmTfzvNkvUXei0zfNN6ZypdUNZvDAoCq AxayuWkQZqRBoqEEtrvDC2nOtrxOzQ3O6dJamSxcyiZFOkHac0XI4Fc8Xwyv2lSC5TmalSGoUHZc CeOBn3pFPI4MguSG5YinXlJceRyJHKkoeKbjHaaKtx8HEcbQJkVVzw8vaqsdYMG5mueezwjlIm14 x19ep1tSy0cWbUeMPRHzx64uk2elL+oD0igPDsdV2zprd2xMu4sWkSGMEWGDjAaRFDj3gZuCgCeV rM12viZRaVLDM94KS9hIRRCCnZQew/ibFS84YwaVqallSTDGnvoNdJCKlB1ySF7B9Gq+mtYZDGRB IpoIGPSamPHPtURJB5mtmy/nc4GvkZ7G1IHOQybHVSgatgCUN0zebCRM5E461iLq4JehQXLMFk2G Fi9VoB0cmzBDp4rbmpra3rd0aHjHonodTNuj3HBwXOGwl1uQ4p/8Oo+hLx0eZR7TbV4b7o4Ma6U0 W8t7fZXR3zR+xqYqBpOuhjuOZUwm7LFRzx3wklRirKhgx6j0nG0yvBUK6QPRRCDIrPajq6E2jTBx 8BahGbmDw8Kah8GptLK98uYzrXey3JODdOQ8yQmNFrNznVBgzUs/DKdLnalnQ5nmZr1CA9SMVQdw JI4168Flt8jKU5y1d3eCdIlDTacu7qgsxZVhuXOqENNaeBPE9K3iAZoL+kcMF+xBPqX0+gbmRpEu w3IxYyeZUnwOKio1yZqchpA/KRO1hzl3vZuzc8M2Gal24HEeyJm636uxQpbN7oKenyp69JeLaZ0B Ggeo6nI0NBRY1HKm5MWrEsKJeNeVGtakhalgWkn4leFoCziurVUw6t8iG/nLfg8mc6Yy03knaS9G U9OnxMAUHCNgHk7psZJtF5ZEGx2l1BQwytg78md3fe+0PiheBgQXsePjQmIPPQuPxMTWxRsWGMLN 9bWm17iNjBck3eNUyqjhXwLk81yVHLtMdwebw2XckYDESbODVzJYcMmDiSINSR06Fx+ASP/BwHtw 114mXjXeKTjg0pSaKvfQmMwkMySSmxoi4ikQk0LkyllkhxyX8+vIkhDMDsISjQo1KQ09sFtDqTEZ 6NsXdqJm13lubzSnDuNRmTaIRtsEqzMg9WuVdCGg5DG6969ml1+psdDfPmOBGBkR0tEBuN3Lq6G5 yaHM0ZZbGLercWPR0NcOaREbMxFqhI2QC0c1dFmF1brFqq6F7jbnaMkLoXhVqQvhlQVoxwaLr9KZ qwxkNLvxXQJ6K9L5OK4Sb+BhMMpggGqrrgEACiAQCUSiUKJQolCiUh66SyqRSnCnC5w6cOTk6Sko jjnJKSTocoBKATocoOBdde88vZVdTr+iq6v+D6TB/UswiQwpZI/UqT5LLiyylizSS1a0pWu1LVqV q1K1WKLFiixp+q/V43RcYGKWKWLFFrtS1ala7UtWpWrUrVqSxYosXPnXWtbXlb3WtvvnxWsqkpeU spDBWQyQQBgepYYWCVgVjDLj/diQk8x+tJ9LisuaLl6r61skkPUrma8FxIWzYaUwQrEGm6wID3Ui HTQUfn+1E+sVAfagQ/R96QfyQmsP/Yn2xISfuCTyvRB/oIg/gtBIUFalIVW07T3xthYgghYBiGLg D8ESyRLosecBKiDYJUKgMT4AEH6Qr+5CEEmFBSqlFVpRSNQqIaz84zfeJ/CaREREKawUJgQBJkDm 6vTevrp3o7pd3cpSlKUpSleu6d1lFx0cRRx3QcHRQUHRRxx6ee167r3HsukE/oGgQm0OUkQlkZkk wQmtIkZ/nDRJBP5p1Nu5vh2xIkoIHSWyZjQjlyCDUaFRBygC0FFM4qIVbRUBx4CUErUQXRCiC9eV CqFDnYIghxJJEcojgkgmEhN8IE2QQoJJUkH9H+ySCfzCTBGqyRIqkkQs7PUu0DMRkikXJIJaQnK1 wZVEqQvSQS4jdAgetYQFQhalWBF0CWioDWogsKbRCiqxapYJuEhNaQkJCQkBUVupJBKf8P/kkE6k kQ2kiYMXWspbGdUQeglNwAu3uFQHopYJsRQXSQgLf0ioSgiDAg6hUBxiDoVXryFoqA1iZxUQrLRB 23iIPHQMgnUjqQ2yITXEYkBSEzSJGciEmMiEmtF7qEVDopYV99ZQb2S6GNuCKoknfpCSSTlgxCFc 0CHYi4kl4UIl5RRRRSSKKpSlK7pSlKUrulKUqiiRRRRRRUJUrUkgm6RqJBkIC8SwqVXeVhoVWoiy lZfz2GU/f7QLX03fM+FYSfL3/u98LSYJLBUw+ELRdAGkSJL8D95g0ovwapMQvJaxe1FY5ZZCZmZA VdFAKHtkyU0JCUDaOE5mLuO8x2Ihm/HEiTskI7Ypc/Z4H2LcA/O/IsA8CB6y+HrIHkHGQ9R4nrGJ SY8D5yoxTEDt6sZ95d/mRYazA+45/6VGYyFSors0kFpoNJBp63aYOlrdq5HFT9KYL4eJmziVIW25 eE+77pd9r1VdxcnFUGJCQ1yxoIKC6HsoujswwVIFDoA+qFJiD2VfX9/AM9j1GUtJFSbPsaJkgUQY cz7lIkz3tIwu56oyUYPU5qtWrNZjDzsfOl2kgReww248Lwsc3wzKAJ4xERERHOQ8Ra3Uv9yy5x/v we/35O573zPW4PtjxydcbnSzXws4PJMW7duaM22Pc1uCnu8I1smj4zqh4Po/hdO6DMVmIsOb6XGn aIYxUXvQ5Qii+woheneZKWp1H8bh6WBjO8wUdNWVlUA0r47fUW+usMJU3jtZMcfidx+DN2MnQ1MW 55Njxcpk0LdEFEJiQwhnCuzZ+f9vN3Csaxl4xmsuEK0uKnp26K5nXlsh6LZUeyZMmNPbwfVfNS4t 2P388x3C+wm6T6vn7IA629mD9s8aAalAIfhmlDG/EJVnISSqi5XrSC7n7k4JW6UUW3GXTLgSilIt Cyy9UlqXUtSr1l3Kr+ylh5kmF7tep4PbfY3ng876jNg0XtTi9XHUrJVRtWN8GLi0XvS1nGlVxQ2O LU+DU+N2qIaDSSl1SNrrfFT5ve2uCylmK5zvbFz8ze4O81mw2nbBZrdQKrjMi6QCyxCMxZpzxIPv yjkdmewPBL02vcXdH6QAqRRc4ii9BAiFUc9L6nraIUzWT43X+FVxgW30CFfAHXjrcmXI+OkSC/se OqCxFirOFR5GfPEI0dyRNKjpZbVMqKRQtJO1c0y77nB6nqYsHB2wtFUtIt18pMGeoopqfc93sZOy 8hIZkYTGa4ZBrRoK8HFbJZ0O3cEM1vqkclTtQ0O7HsS1I6oS1RIkvkMLF72N7iywd+2HBS953psl DgmI4nA48zrO4d9+XIy5kUXJVuE7EKc47iOq6uCmEWzL7PCwpGETavCDgVHDt11givUhmTQXgYad GwxvnRCpFF4e60G8hBL44MZP7a0UXnrY7aQ+nycqZazG4C6RmRTLHVnL4zGqGukPLuqzW4wQ66kI fNuetXHKZRyJzQxW24zjV7cXsWkT9A1IspmkziUs7iwG6CdDpKxqFefglYKrsrFfq8nmIgpkOKAr p2wpH7KNKPPmAngTPaZST6TwPI+o3GxJm6Gpwi55p0tTc9rB876Gxceu5ubOLzI5LmDW2vcpkuZp QUptbGS50hivc0eUC+L9De5hjjSZOG9vY8f0Rd7BLpNQlv6UEUBjT5FxhtMyQhwNA3KYoA+Sjre0 +HBDMUA6tBg1kIoL5etGQHl5ji1j/cowckuMKXB0hAJqJJhSQ+ihILSckvk+Dc0PaV+1OFcjZDmI 6ndptryToWbYbT3ul8ZFVKlfJRkb3j0EiLE9EAAgF/xgjVAhuVL0IzyFPcIh8qqiIYemK/B2zdH0 xoloaMdbjHGPrfOijWhg2T2Ns9IBXAUVyja0Q4/Bs3nMxootp5Cp5ntfvIAD0JXjDj7PYSEREd/A O7gc8j4NVTltEns790DjG0eb5/dup5Td9mEh/YSJmEOzzO2eZ08ul00+e+FsNfLcEL1+F1qgQusq ofCULK2uaG6yTs5LPwr1m+NjWoqopEoKlISTbHRNsYyLINH0GbqkFlqSoiB95EvvNqfKSUn+nbw6 7CxLNt6eSuoUANx5u3VQ3Cxyo6noWJxfZibX3CG7BtEJOPMuUwF/Op6JEd65ANcqNnPHIilBnEKL vOmlFF9CXllFDPiT3d4hnEJMrVRNI9nmc8a0O2OQpTzEfSh1zSM0PnY8NRclNcUDklV6ckIU9pCJ 6XYqK64gAvgBJRRfYG8sRRfnkrN4qLgShYelLls0lKvnDTY+VbLEVi1oYjnEHSVJ6DINFI7SnWaM dtPnr78YzSPEdu53r7472vvWjGODhDKpVMlQqAqQs1WiauiPMV/F2Pg7kIWRZgklCF5c9eGQxIGQ QjpAH516vNpvcsNr62hnN27t+DWxnk64Z9iHKOscvxQ0dsdKZu6XLlhmjkH2Q7oazU9kdnednbF7 ah+flWfEZUVH/EQ+CxCQl0mslsRkte4WUCDio4yk8TTp3j0SnBNicixZBEUcdL0IAGF8mONwWpEl VJgUFqlRxQz/MhwjQD4SlhsmkH2mDWGJpAzuCSSiF+NB2zGIrb8WEZC+kkJKpItaWyglllzk3tqR XfMWrlr6KR4r4ZQxiRJmikQ1tdIkAEMDRJlUx8TvYpDUJYmtNxincMK+rtkj+EtZBDcnc6kM5WhB 6zYz8E9vy3Bblq4IaHTgLekKAaCE+cISZ4jFDJBMfxzyhEAFQiwI1vxJ8ipgtKIov6GURbVDy1WQ D4naPiVOz4JpUaPBD5EM/pMxYoY4U51fZFY5iw4WjqkUV9ZuSfup1whnOzuQ+UNw1upJEmE9V8fp QfYhQKKSeeIlEWickUAtEpUVSUqKqRZFHdqUp05HOBHOHTjXWutdOqcnRTqnJ0Uul1rrIEsEMAKQ wQwqASJ3b/mo8ri0tYVKKCkKKUUksMYy+hdZJ3vyPkgVIdDkHo/K79fzJiKmuJMIolqd5VKSTVlR RYMSHWfyMgB1qAr2c2AZ5IdSfb9D4h7nsOaGGJDOii8/c21IfdqdZxGAl64N4BobjWLKayUxBTah 3JWe48DN4qPe7k+k6hXWvk64fXHWc0ib/qc7zr1qiYKUpU6LWqoRBQqIQuom0jfUuIQ7qjqPFMiY ZR6N9puSRJvlm+Qs0ecHmcEVewxQhaqtVn2RoLBDCGeXBzW3tSNjZBJL58tpDPHUZDGSERNnnPWf tLJ8fRJ3lpWLvIWjy3jBtXbyOJw5LVKPCfl6Yvj24ZJ7IZw1UvM4YN5dikHNvRRfmnz8EuO1MhjR ISICBQApIF4ppStKh1IotqKLnRRdEkWWSGN2MmE7eFYVBmYPMebE7FDpRp/MKiEmzNtsXWBiCDC6 lx5GJHA1YPvU3NDtd25FFs+GLayhvUuvDIMIvhrSJJzoq3wQkTiDFJ7HMhu7OGc0ZykSYT4h4Kbr EEggkkgggggkEEkt41oBc0Aio6wYHM7qiUkSTm5gOVQvJVJpTXutfWZhIXyfGUl6TygL+Ue+dZzG rburnfhYd/SyRy/s5NBbdBWchGgxQQ5JomPAy7iCfZQ1RCHNEiJ70w8X0z0JrbKrcb8F2SShtUMZ 0E9QLJqRRapzIouYSUxDxTHsoTBxTAmzOWJgVERBzr0Z5Dc/WQClt1rn1TCEiaIMzOBscDUIix5i gEpGiFhuBRBMQvjm8/agjlsCSdA4dh6ajIwl89wIDtUs4YaICxmkB7Y1OaMY0ed8o+uNhO2j6oJg sQwzdYrWOI3oovrvrStTNAhl1BpJBX3pRTlFgHNFFzIoueGM0hoNVyHupyTL7w847yN/q4p31i6W DAgKB8UIOy5DET1OxJ5y7MYWl8BgOpI6Ud8b5h2uZoqDz0NePNIx0PDdpfufHyhjHZH1RqzTjH7O 9yxHAzVEEP6piWSAoOrPgaUuGSE1B7zZ0LbxX0JrMEyHWaUyW+14J2p9wdXZ2J2kGcNplNnQrS1q qTjPxhUEPfAv6tj9vBNyY1H7d6bHcm286x3oou0cSWAquX0Z+4Ot2GNF3uTz3YehIVfsRRfOndR2 DWyii7TtMnEIJITX0ag52gCthKdT5KPmTtQwTkIe1NWIEFbzxITGii6jdDQDmGx6m00nQLsRxDUO AKOEmOhXVmE4S5cxXlKxaFeN3+gagHf+LuSKcKEgjZ/V/g== --Boundary_(ID_Axuyfwxojr0W44jmgLRYNg)--