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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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4
sql/sql_select.h
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@@ -1458,7 +1458,9 @@ private:
enum enum_with_bush_roots { WITH_BUSH_ROOTS, WITHOUT_BUSH_ROOTS};
enum enum_with_const_tables { WITH_CONST_TABLES, WITHOUT_CONST_TABLES};
JOIN_TAB *first_linear_tab(JOIN *join, enum enum_with_const_tables const_tbls);
JOIN_TAB *first_linear_tab(JOIN *join,
enum enum_with_bush_roots include_bush_roots,
enum enum_with_const_tables const_tbls);
JOIN_TAB *next_linear_tab(JOIN* join, JOIN_TAB* tab,
enum enum_with_bush_roots include_bush_roots);