From: kevin.lewis
Date: July 8 2011 2:01pm
Subject: bzr push into mysql-trunk branch (kevin.lewis:3249 to 3250)
List-Archive: http://lists.mysql.com/commits/140265
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 3250 kevin.lewis@stripped	2011-07-08 [merge]
      Merge from mysql-5.5

    modified:
      mysql-test/suite/innodb/r/innodb-index.result
      mysql-test/suite/innodb/t/innodb-index.test
      storage/innobase/row/row0row.c
 3249 Nirbhay Choubey	2011-07-08
      Bug#12546842 - 61038: LOGROTATE SCRIPT IN SUPPORT-FILES
                     NEEDS AN UPDATE.
      
      Updated script and option names which got changed long
      back and are not valid now, along with some modifications
      in comments.
     @ support-files/mysql-log-rotate.sh
        Bug 12546842 - 61038: LOGROTATE SCRIPT IN SUPPORT-FILES
                       NEEDS AN UPDATE.
        
        Modified script name, option and comments.

    modified:
      support-files/mysql-log-rotate.sh
=== modified file 'mysql-test/suite/innodb/r/innodb-index.result'
--- a/mysql-test/suite/innodb/r/innodb-index.result	revid:nirbhay.choubey@stripped
+++ b/mysql-test/suite/innodb/r/innodb-index.result	revid:kevin.lewis@stripped
@@ -976,6 +976,7 @@ v16 VARCHAR(500), v17 VARCHAR(500), v18 
 CREATE INDEX idx1 ON t1(a,v1);
 INSERT INTO t1 VALUES(9,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r);
 UPDATE t1 SET a=1000;
+DELETE FROM t1;
 DROP TABLE t1;
 set global innodb_file_per_table=0;
 set global innodb_file_format=Antelope;

=== modified file 'mysql-test/suite/innodb/t/innodb-index.test'
--- a/mysql-test/suite/innodb/t/innodb-index.test	revid:nirbhay.choubey@stripped
+++ b/mysql-test/suite/innodb/t/innodb-index.test	revid:kevin.lewis@stripped
@@ -473,6 +473,9 @@ CREATE TABLE t1(a INT,
 CREATE INDEX idx1 ON t1(a,v1);
 INSERT INTO t1 VALUES(9,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r,@r);
 UPDATE t1 SET a=1000;
+DELETE FROM t1;
+# Let the purge thread clean up this file.
+-- sleep 10
 DROP TABLE t1;
 
 eval set global innodb_file_per_table=$per_table;

=== modified file 'storage/innobase/row/row0row.c'
--- a/storage/innobase/row/row0row.c	revid:nirbhay.choubey@stripped
+++ b/storage/innobase/row/row0row.c	revid:kevin.lewis@stripped
@@ -148,22 +148,27 @@ row_build_index_entry(
 				continue;
 			}
 		} else if (dfield_is_ext(dfield)) {
-			/* This table should be in Antelope format
-			(ROW_FORMAT=REDUNDANT or ROW_FORMAT=COMPACT).
-			In that format, the maximum column prefix
+			/* This table is either in Antelope format
+			(ROW_FORMAT=REDUNDANT or ROW_FORMAT=COMPACT)
+			or a purge record where the ordered part of
+			the field is not external.
+			In Antelope, the maximum column prefix
 			index length is 767 bytes, and the clustered
 			index record contains a 768-byte prefix of
 			each off-page column. */
 			ut_a(len >= BTR_EXTERN_FIELD_REF_SIZE);
 			len -= BTR_EXTERN_FIELD_REF_SIZE;
+			dfield_set_len(dfield, len);
 		}
 
 		/* If a column prefix index, take only the prefix. */
-		ut_ad(ind_field->prefix_len);
-		len = dtype_get_at_most_n_mbchars(
-			col->prtype, col->mbminmaxlen,
-			ind_field->prefix_len, len, dfield_get_data(dfield));
-		dfield_set_len(dfield, len);
+		if (ind_field->prefix_len) {
+			len = dtype_get_at_most_n_mbchars(
+				col->prtype, col->mbminmaxlen,
+				ind_field->prefix_len, len,
+				dfield_get_data(dfield));
+			dfield_set_len(dfield, len);
+		}
 	}
 
 	ut_ad(dtuple_check_typed(entry));

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