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| author | Igor Babaev <igor@askmonty.org> | 2012-01-20 23:54:43 -0800 |
|---|---|---|
| committer | Igor Babaev <igor@askmonty.org> | 2012-01-20 23:54:43 -0800 |
| commit | bb4053afc3cb30c6016530884061d520350004f1 (patch) | |
| tree | 905dc4e1fa65ccf18004239a27525bde3902f7d0 /sql/sql_select.h | |
| parent | e4c61d263bd452200440f38284294170246c73b0 (diff) | |
| download | mariadb-git-bb4053afc3cb30c6016530884061d520350004f1.tar.gz | |
Fixed LP bug #919427.
The function subselect_uniquesubquery_engine::copy_ref_key has to take into
account that when EXPLAIN is processed the array of store_key object created
for any TABLE_REF may contain elements for constant items. These items should
be ignored by thefunction.
Diffstat (limited to 'sql/sql_select.h')
| -rw-r--r-- | sql/sql_select.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h index 1d1a023d9cf..79c07e80b25 100644 --- a/sql/sql_select.h +++ b/sql/sql_select.h @@ -670,6 +670,7 @@ public: } virtual ~store_key() {} /** Not actually needed */ virtual const char *name() const=0; + virtual bool store_key_is_const() { return false; } /** @brief sets ignore truncation warnings mode and calls the real copy method @@ -784,6 +785,7 @@ public: { } const char *name() const { return "const"; } + bool store_key_is_const() { return true; } protected: enum store_key_result copy_inner() |