diff options
Diffstat (limited to 'sql/sql_sequence.h')
| -rw-r--r-- | sql/sql_sequence.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/sql/sql_sequence.h b/sql/sql_sequence.h index ffe5ded4cff..b9d6326fcd1 100644 --- a/sql/sql_sequence.h +++ b/sql/sql_sequence.h @@ -26,6 +26,11 @@ #define seq_field_used_restart 64 #define seq_field_used_restart_value 128 +/* Field position in sequence table for some fields we refer to directly */ +#define NEXT_FIELD_NO 0 +#define MIN_VALUE_FIELD_NO 1 +#define ROUND_FIELD_NO 7 + /** sequence_definition is used when defining a sequence as part of create */ @@ -48,17 +53,26 @@ public: uint used_fields; // Which fields where used in CREATE longlong restart; // alter sequence restart value - bool check_and_adjust(); + bool check_and_adjust(bool set_reserved_until); void store_fields(TABLE *table); void read_fields(TABLE *table); int write_initial_sequence(TABLE *table); - int write(TABLE *table); + int write(TABLE *table, bool all_fields); + /* This must be called after sequence data has been updated */ + void adjust_values(longlong next_value); inline void print_dbug() { DBUG_PRINT("sequence", ("reserved: %lld start: %lld increment: %lld min_value: %lld max_value: %lld cache: %lld round: %lld", reserved_until, start, increment, min_value, max_value, cache, round)); } +protected: + /* + The following values are the values from sequence_definition + merged with global auto_increment_offset and auto_increment_increment + */ + longlong real_increment; + longlong next_free_value; }; /** @@ -87,8 +101,6 @@ public: { mysql_mutex_unlock(&mutex); } - /* This must be called after sequence data has been updated */ - void adjust_values(longlong next_value); void copy(sequence_definition *seq) { sequence_definition::operator= (*seq); @@ -124,12 +136,6 @@ public: private: TABLE *table; mysql_mutex_t mutex; - longlong next_free_value; - /* - The following values are the values from sequence_definition - merged with global auto_increment_offset and auto_increment_increment - */ - longlong real_increment; }; |