diff options
Diffstat (limited to 'sql/sql_class.h')
| -rw-r--r-- | sql/sql_class.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h index 8268ebe0bcd..6b988938f0b 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -6589,6 +6589,50 @@ class Sql_mode_save sql_mode_t old_mode; // SQL mode saved at construction time. }; + +/* + Save the current sql_mode. Switch off sql_mode flags which can prevent + normal parsing of VIEWs, expressions in generated columns. + Restore the old sql_mode on destructor. +*/ +class Sql_mode_save_for_frm_handling: public Sql_mode_save +{ +public: + Sql_mode_save_for_frm_handling(THD *thd) + :Sql_mode_save(thd) + { + /* + - MODE_REAL_AS_FLOAT affect only CREATE TABLE parsing + + MODE_PIPES_AS_CONCAT affect expression parsing + + MODE_ANSI_QUOTES affect expression parsing + + MODE_IGNORE_SPACE affect expression parsing + - MODE_IGNORE_BAD_TABLE_OPTIONS affect only CREATE/ALTER TABLE parsing + * MODE_ONLY_FULL_GROUP_BY affect execution + * MODE_NO_UNSIGNED_SUBTRACTION affect execution + - MODE_NO_DIR_IN_CREATE affect table creation only + - MODE_POSTGRESQL compounded from other modes + - MODE_ORACLE affects Item creation (e.g for CONCAT) + - MODE_MSSQL compounded from other modes + - MODE_DB2 compounded from other modes + - MODE_MAXDB affect only CREATE TABLE parsing + - MODE_NO_KEY_OPTIONS affect only SHOW + - MODE_NO_TABLE_OPTIONS affect only SHOW + - MODE_NO_FIELD_OPTIONS affect only SHOW + - MODE_MYSQL323 affect only SHOW + - MODE_MYSQL40 affect only SHOW + - MODE_ANSI compounded from other modes + (+ transaction mode) + ? MODE_NO_AUTO_VALUE_ON_ZERO affect UPDATEs + + MODE_NO_BACKSLASH_ESCAPES affect expression parsing + + MODE_EMPTY_STRING_IS_NULL affect expression parsing + */ + thd->variables.sql_mode&= ~(MODE_PIPES_AS_CONCAT | MODE_ANSI_QUOTES | + MODE_IGNORE_SPACE | MODE_NO_BACKSLASH_ESCAPES | + MODE_ORACLE | MODE_EMPTY_STRING_IS_NULL); + }; +}; + + class Abort_on_warning_instant_set { THD *m_thd; |