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| author | unknown <monty@mashka.mysql.fi> | 2003-02-03 20:20:32 +0200 |
|---|---|---|
| committer | unknown <monty@mashka.mysql.fi> | 2003-02-03 20:20:32 +0200 |
| commit | c73dcb5e3018374e8c1a8ae57b32483cb4f62be4 (patch) | |
| tree | 9969b64873b025006c1eb0dba4dddc67e5501c19 /sql/item.h | |
| parent | ac4dacaa29f8f7ee2b5ed7c56815ee343d4b8d82 (diff) | |
| download | mariadb-git-c73dcb5e3018374e8c1a8ae57b32483cb4f62be4.tar.gz | |
Fix for MIN/MAX with empty tables
MIN(key_column) could in some cases return NULL on a column with NULL and other values.
MIN(key_column) and MAX(key_column) could in some cases return wrong values when used in OUTER JOIN.
configure.in:
Updated version number
libmysqld/libmysqld.c:
Portability fix (for windows)
mysql-test/r/func_group.result:
Added test case for MIN/MAX problems
mysql-test/t/func_group.test:
Added test case for MIN/MAX problems
sql/item.h:
Fix for MIN/MAX with empty tables
sql/item_sum.h:
Fix for MIN/MAX with empty tables
sql/opt_sum.cc:
MIN(key_column) could in some cases return NULL on a column
with NULL and other values.
MIN(key_column) and MAX(key_column) could in some cases
return wrong values when used in OUTER JOIN.
sql/sql_select.cc:
Fix for MIN/MAX with empty tables
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h index b690807691f..c669c266f0f 100644 --- a/sql/item.h +++ b/sql/item.h @@ -89,6 +89,7 @@ public: virtual void set_result_field(Field *field) {} virtual bool is_result_field() { return 0; } virtual void save_in_result_field(bool no_conversions) {} + virtual void no_rows_in_result() {} }; |