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MDEV-6289 : Unexpected results when querying information_schema

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- When traversing JOIN_TABs with first_linear_tab/next_linear_tab(), don't forget
  to enter the semi-join nest when it is the first table in the join order.
  Failure to do so could cause e.g. I_S tables not to be filled.
This commit is contained in:
Sergey Petrunya
2014-07-23 19:53:29 +04:00
parent 07cb53c58b
commit 6b353dd1de
8 changed files with 158 additions and 27 deletions
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5
sql/sql_show.cc
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@@ -7708,8 +7708,9 @@ bool get_schema_tables_result(JOIN *join,
Warnings_only_error_handler err_handler;
thd->push_internal_handler(&err_handler);
old_proc_info= thd_proc_info(thd, "Filling schema table");
for (JOIN_TAB *tab= first_linear_tab(join, WITH_CONST_TABLES);
JOIN_TAB *tab;
for (tab= first_linear_tab(join, WITHOUT_BUSH_ROOTS, WITH_CONST_TABLES);
tab;
tab= next_linear_tab(join, tab, WITHOUT_BUSH_ROOTS))
{