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Fixed sequences based on comments from Peter Gulutzan and Andrii Nikitin

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- Changed names of SEQUENCE table columns to be more close to ANSI
- Fixed error message for SHOW SEQUENCE non_existing_sequence
- Allow syntax CACHE +1
- Fixed ALTER TABLE for TEMPORARY sequences.
This commit is contained in:
Monty
2017-06-03 16:08:23 +03:00
parent 3356e42d01
commit 36ae8846ca
25 changed files with 763 additions and 696 deletions
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26
sql/sql_sequence.cc
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@ -47,18 +47,19 @@ struct Field_definition
static Field_definition sequence_structure[]=
{
{"next_value", 21, &type_handler_longlong, {STRING_WITH_LEN("next not cached value")},
FL},
{"min_value", 21, &type_handler_longlong, {STRING_WITH_LEN("min value")}, FL},
{"max_value", 21, &type_handler_longlong, {STRING_WITH_LEN("max value")}, FL},
{"start", 21, &type_handler_longlong, {STRING_WITH_LEN("start value")}, FL},
{"next_not_cached_value", 21, &type_handler_longlong,
{STRING_WITH_LEN("")}, FL},
{"minimum_value", 21, &type_handler_longlong, STRING_WITH_LEN(""), FL},
{"maximum_value", 21, &type_handler_longlong, STRING_WITH_LEN(""), FL},
{"start_value", 21, &type_handler_longlong, {STRING_WITH_LEN("start value when sequences is created or value if RESTART is used")}, FL},
{"increment", 21, &type_handler_longlong,
{C_STRING_WITH_LEN("increment value")}, FL},
{"cache", 21, &type_handler_longlong, {STRING_WITH_LEN("cache size")}, FL},
{"cycle", 1, &type_handler_tiny, {STRING_WITH_LEN("cycle state")},
{"cache_size", 21, &type_handler_longlong, STRING_WITH_LEN(""),
FL | UNSIGNED_FLAG},
{"cycle_option", 1, &type_handler_tiny, {STRING_WITH_LEN("0 if no cycles are allowed, 1 if the sequence should begin a new cycle when maximum_value is passed")},
FL | UNSIGNED_FLAG },
{"round", 21, &type_handler_longlong,
{STRING_WITH_LEN("How many cycles has been done")}, FL},
{"cycle_count", 21, &type_handler_longlong,
{STRING_WITH_LEN("How many cycles have been done")}, FL},
{NULL, 0, &type_handler_longlong, {STRING_WITH_LEN("")}, 0}
};
@ -458,9 +459,12 @@ int SEQUENCE::read_initial_values(TABLE *table_arg)
DBUG_RETURN(error);
}
/*
Read data from sequence table and update values
Done when table is opened
Do the actiual reading of data from sequence table and
update values in the sequence object.
Called once from when table is opened
*/
int SEQUENCE::read_stored_values()