Georgi Kodinov 489ad44ab5 Bug #32124: crash if prepared statements refer to variables in the where clause ... The code to get read the value of a system variable was extracting its value on PREPARE stage and was substituting the value (as a constant) into the parse tree. Note that this must be a reversible transformation, i.e. it must be reversed before each re-execution. Unfortunately this cannot be reliably done using the current code, because there are other non-reversible source tree transformations that can interfere with this reversible transformation. Fixed by not resolving the value at PREPARE, but at EXECUTE (as the rest of the functions operate). Added a cache of the value (so that it's constant throughout the execution of the query). Note that the cache also caches NULL values. Updated an obsolete related test suite (variables-big) and the code to test the result type of system variables (as per bug 74).		2008-10-08 14:23:53 +03:00
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binlog_tests	Bug#37312 Make tests binlog_row_innodb_stat and binlog_stm_innodb_stat more robust	2008-09-22 15:15:52 -04:00
rpl_tests	Bug #32124: crash if prepared statements refer to variables in the where clause	2008-10-08 14:23:53 +03:00