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Before sorting HAVING condition is split into two parts, first part is a table related condition and the rest of is HAVING part. Extraction of HAVING part does not take into account the fact that some of conditions might be non-const but have 'used_tables' == 0 (independent subqueries) and because of that these conditions are cut off by make_cond_for_table() function. The fix is to use (table_map) 0 instead of used_tables in third argument for make_cond_for_table() function. It allows to extract elements which belong to sorted table and in addition elements which are independend subqueries. mysql-test/r/having.result: test case mysql-test/t/having.test: test case sql/sql_select.cc: The fix is to use (table_map) 0 instead of used_tables in third argument for make_cond_for_table() function. It allows to extract elements which belong to sorted table and in addition elements which are independend subqueries.
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