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Fixes for bug#8115 "Server Crash with prepared statement"

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and bug#8849 "problem with insert statement with table alias's": 
make equality propagation work in stored procedures and prepared 
statements.
Equality propagation can change AND/OR structure of ON expressions,
so the fix is to provide each execution of PS/SP with it's own
copy of AND/OR tree. We have been doing that already for WHERE clauses,
now ON clauses are also copied.
This commit is contained in:
konstantin@mysql.com
2005-03-03 17:38:59 +03:00
parent 66bd0447e4
commit fe2d63a060
11 changed files with 232 additions and 27 deletions
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sql/mysql_priv.h
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@@ -805,6 +805,7 @@ void mysql_stmt_free(THD *thd, char *packet);
void mysql_stmt_reset(THD *thd, char *packet);
void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
void reset_stmt_for_execute(THD *thd, LEX *lex);
void init_stmt_after_parse(THD*, LEX*);
/* sql_error.cc */
MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,