diff options
Diffstat (limited to 'sql/sql_class.h')
| -rw-r--r-- | sql/sql_class.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h index 32a7a7e5ca9..b50e1c224a7 100644 --- a/sql/sql_class.h +++ b/sql/sql_class.h @@ -435,6 +435,13 @@ public: #ifndef DBUG_OFF bool is_backup_arena; /* True if this arena is used for backup. */ #endif + /* + The states relfects three diffrent life cycles for three + different types of statements: + Prepared statement: INITIALIZED -> PREPARED -> EXECUTED. + Stored procedure: INITIALIZED_FOR_SP -> EXECUTED. + Other statements: CONVENTIONAL_EXECUTION never changes. + */ enum enum_state { INITIALIZED= 0, INITIALIZED_FOR_SP= 1, PREPARED= 2, |