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unknown authored
- Queries in the query cache are identified by the individual characters in the query statement, the current database and the current environment expressed as a set of system variable flags. - Since the set of environment flags didn't properly describe the current environment unexpected results were returned from the query cache. - Query cache is now cleared when the variable ft_boolean_syntax is updated. - An identification flag for the variable default_week_format is added to the query cache record. Thanks to Martin Friebe who has supplied significant parts of this patch. mysql-test/r/query_cache.result: Added test case mysql-test/t/query_cache.test: Added test case sql/mysql_priv.h: - Added missing flags to reflect the significant local environment settings of the cached query. sql/set_var.cc: - Added query cache flush when system variable ft_boolean_syntax is updated since this also invalidates all cached result sets using this variable. sql/sql_cache.cc: - Added another local system variable as an identification flag for cached queries.
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