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Fixed bug mdev-10773.

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The temporary tables created for recursive table references
should be closed in close_thread_tables(), because they might
be used in the statements like ANALYZE WITH r AS (...) SELECT * from r
where r is defined through recursion.
This commit is contained in:
Igor Babaev
2017-01-28 14:52:19 -08:00
parent 64b5e94236
commit abfcdb8fbc
5 changed files with 108 additions and 1 deletions
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17
sql/sql_base.cc
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@ -769,6 +769,23 @@ void close_thread_tables(THD *thd)
thd->derived_tables= 0;
}
if (thd->rec_tables)
{
TABLE *next;
/*
Close all temporary tables created for recursive table references.
This action was postponed because the table could be used in the
statements like ANALYZE WITH r AS (...) SELECT * from r
where r is defined through recursion.
*/
for (table= thd->rec_tables ; table ; table= next)
{
next= table->next;
free_tmp_table(thd, table);
}
thd->rec_tables= 0;
}
/*
Mark all temporary tables used by this statement as free for reuse.
*/