From: Date: June 14 2005 9:45pm Subject: bk commit into 5.0 tree (bell:1.1936) BUG#9715 List-Archive: http://lists.mysql.com/internals/25997 X-Bug: 9715 Message-Id: <20050614194555.744C6455D84@sanja.is.com.ua> Below is the list of changes that have just been committed into a local 5.0 repository of bell. When bell does a push these changes will be propagated to the main repository and, within 24 hours after the push, to the public repository. For information on how to access the public repository see http://dev.mysql.com/doc/mysql/en/installing-source-tree.html ChangeSet 1.1936 05/06/14 22:45:48 bell@stripped +5 -0 prohibit opening Query cache for SP cursors (BUG#9715) sql/sp_rcontext.h 1.20 05/06/14 22:45:44 bell@stripped +1 -5 constructor moved to .cc file to be able to use methods from lex_keeper sql/sp_rcontext.cc 1.30 05/06/14 22:45:44 bell@stripped +11 -0 prohibit opening Query cache for SP cursors sql/sp_head.h 1.55 05/06/14 22:45:44 bell@stripped +4 -0 method for prohibiting of QC using SP query mysql-test/t/query_cache.test 1.41 05/06/14 22:45:44 bell@stripped +32 -0 testing cursors in SP with QC testing suspicious but working using selects in function with QC mysql-test/r/query_cache.result 1.54 05/06/14 22:45:44 bell@stripped +29 -0 testing cursors in SP with QC testing suspicious but working using selects in function with QC # This is a BitKeeper patch. What follows are the unified diffs for the # set of deltas contained in the patch. The rest of the patch, the part # that BitKeeper cares about, is below these diffs. # User: bell # Host: sanja.is.com.ua # Root: /home/bell/mysql/bk/work-bug3-5.0 --- 1.53/mysql-test/r/query_cache.result Mon May 2 21:45:02 2005 +++ 1.54/mysql-test/r/query_cache.result Tue Jun 14 22:45:44 2005 @@ -1007,4 +1007,33 @@ 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lkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcbazyxwvutsrqponmlkjihgfedcba flush query cache; drop table t1, t2; +create table t1 (a int); +insert into t1 values (1),(2); +CREATE PROCEDURE `p1`() +begin +Declare c1 cursor for select a from t1; +open c1; +select * from t1; +end// +call p1()// +a +1 +2 +drop procedure p1; +create function f1() returns int +begin +Declare var1 int; +select max(a) from t1 into var1; +return var1; +end// +create procedure `p1`() +begin +select a, f1() from t1; +end// +call p1()// +a f1() +1 2 +2 2 +drop procedure p1// +drop table t1// set GLOBAL query_cache_size=0; --- 1.40/mysql-test/t/query_cache.test Mon May 2 20:19:33 2005 +++ 1.41/mysql-test/t/query_cache.test Tue Jun 14 22:45:44 2005 @@ -756,4 +756,36 @@ drop table t1, t2; +# +# SP cursors and selects with query cache (BUG#9715) +# +create table t1 (a int); +insert into t1 values (1),(2); + +delimiter //; +CREATE PROCEDURE `p1`() +begin +Declare c1 cursor for select a from t1; +open c1; +select * from t1; +end// +call p1()// +drop procedure p1; + +create function f1() returns int +begin +Declare var1 int; +select max(a) from t1 into var1; +return var1; +end// +create procedure `p1`() +begin + select a, f1() from t1; +end// +call p1()// +drop procedure p1// + +drop table t1// +delimiter ;// + set GLOBAL query_cache_size=0; --- 1.54/sql/sp_head.h Fri May 27 13:38:28 2005 +++ 1.55/sql/sp_head.h Tue Jun 14 22:45:44 2005 @@ -377,6 +377,10 @@ return (uint)m_lex->sql_command; } + void disable_query_cache() + { + m_lex->safe_to_cache_query= 0; + } private: LEX *m_lex; --- 1.29/sql/sp_rcontext.cc Fri Jun 10 17:56:25 2005 +++ 1.30/sql/sp_rcontext.cc Tue Jun 14 22:45:44 2005 @@ -169,6 +169,17 @@ * */ +sp_cursor::sp_cursor(sp_lex_keeper *lex_keeper) + :m_lex_keeper(lex_keeper), m_prot(NULL), m_isopen(0), m_current_row(NULL) +{ + /* + currsor can't be stored in QC, so we should prevent opening QC for + try to write results which are absent. + */ + lex_keeper->disable_query_cache(); +} + + /* pre_open cursor --- 1.19/sql/sp_rcontext.h Fri Jun 10 17:13:55 2005 +++ 1.20/sql/sp_rcontext.h Tue Jun 14 22:45:44 2005 @@ -203,11 +203,7 @@ { public: - sp_cursor(sp_lex_keeper *lex_keeper) - : m_lex_keeper(lex_keeper), m_prot(NULL), m_isopen(0), m_current_row(NULL) - { - /* Empty */ - } + sp_cursor(sp_lex_keeper *lex_keeper); virtual ~sp_cursor() {