mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 13:32:33 +01:00
17a87d6063
Working features:
CREATE OR REPLACE [TEMPORARY] SEQUENCE [IF NOT EXISTS] name
[ INCREMENT [ BY | = ] increment ]
[ MINVALUE [=] minvalue | NO MINVALUE ]
[ MAXVALUE [=] maxvalue | NO MAXVALUE ]
[ START [ WITH | = ] start ] [ CACHE [=] cache ] [ [ NO ] CYCLE ]
ENGINE=xxx COMMENT=".."
SELECT NEXT VALUE FOR sequence_name;
SELECT NEXTVAL(sequence_name);
SELECT PREVIOUS VALUE FOR sequence_name;
SELECT LASTVAL(sequence_name);
SHOW CREATE SEQUENCE sequence_name;
SHOW CREATE TABLE sequence_name;
CREATE TABLE sequence-structure ... SEQUENCE=1
ALTER TABLE sequence RENAME TO sequence2;
RENAME TABLE sequence TO sequence2;
DROP [TEMPORARY] SEQUENCE [IF EXISTS] sequence_names
Missing features
- SETVAL(value,sequence_name), to be used with replication.
- Check replication, including checking that sequence tables are marked
not transactional.
- Check that a commit happens for NEXT VALUE that changes table data (may
already work)
- ALTER SEQUENCE. ANSI SQL version of setval.
- Share identical sequence entries to not add things twice to table list.
- testing insert/delete/update/truncate/load data
- Run and fix Alibaba sequence tests (part of mysql-test/suite/sql_sequence)
- Write documentation for NEXT VALUE / PREVIOUS_VALUE
- NEXTVAL in DEFAULT
- Ensure that NEXTVAL in DEFAULT uses database from base table
- Two NEXTVAL for same row should give same answer.
- Oracle syntax sequence_table.nextval, without any FOR or FROM.
- Sequence tables are treated as 'not read constant tables' by SELECT; Would
be better if we would have a separate list for sequence tables so that
select doesn't know about them, except if refereed to with FROM.
Other things done:
- Improved output for safemalloc backtrack
- frm_type_enum changed to Table_type
- Removed lex->is_view and replaced with lex->table_type. This allows
use to more easy check if item is view, sequence or table.
- Added table flag HA_CAN_TABLES_WITHOUT_ROLLBACK, needed for handlers
that want's to support sequences
- Added handler calls:
- engine_name(), to simplify getting engine name for partition and sequences
- update_first_row(), to be able to do efficient sequence implementations.
- Made binlog_log_row() global to be able to call it from ha_sequence.cc
- Added handler variable: row_already_logged, to be able to flag that the
changed row is already logging to replication log.
- Added CF_DB_CHANGE and CF_SCHEMA_CHANGE flags to simplify
deny_updates_if_read_only_option()
- Added sp_add_cfetch() to avoid new conflicts in sql_yacc.yy
- Moved code for add_table_options() out from sql_show.cc::show_create_table()
- Added String::append_longlong() and used it in sql_show.cc to simplify code.
- Added extra option to dd_frm_type() and ha_table_exists to indicate if
the table is a sequence. Needed by DROP SQUENCE to not drop a table.
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|---|---|---|
| .. | ||
| ftbench | ||
| mysql-test | ||
| ChangeLog | ||
| CMakeLists.txt | ||
| ft_boolean_search.c | ||
| ft_myisam.c | ||
| ft_nlq_search.c | ||
| ft_parser.c | ||
| ft_static.c | ||
| ft_stopwords.c | ||
| ft_update.c | ||
| ftdefs.h | ||
| fulltext.h | ||
| ha_myisam.cc | ||
| ha_myisam.h | ||
| mi_cache.c | ||
| mi_changed.c | ||
| mi_check.c | ||
| mi_checksum.c | ||
| mi_close.c | ||
| mi_create.c | ||
| mi_dbug.c | ||
| mi_delete.c | ||
| mi_delete_all.c | ||
| mi_delete_table.c | ||
| mi_dynrec.c | ||
| mi_extra.c | ||
| mi_extrafunc.h | ||
| mi_info.c | ||
| mi_key.c | ||
| mi_keycache.c | ||
| mi_locking.c | ||
| mi_log.c | ||
| mi_open.c | ||
| mi_packrec.c | ||
| mi_page.c | ||
| mi_panic.c | ||
| mi_preload.c | ||
| mi_range.c | ||
| mi_rename.c | ||
| mi_rfirst.c | ||
| mi_rkey.c | ||
| mi_rlast.c | ||
| mi_rnext.c | ||
| mi_rnext_same.c | ||
| mi_rprev.c | ||
| mi_rrnd.c | ||
| mi_rsame.c | ||
| mi_rsamepos.c | ||
| mi_scan.c | ||
| mi_search.c | ||
| mi_static.c | ||
| mi_statrec.c | ||
| mi_test1.c | ||
| mi_test2.c | ||
| mi_test3.c | ||
| mi_test_all.res | ||
| mi_test_all.sh | ||
| mi_unique.c | ||
| mi_update.c | ||
| mi_write.c | ||
| myisam_ftdump.c | ||
| myisamchk.c | ||
| myisamdef.h | ||
| myisamlog.c | ||
| myisampack.c | ||
| NEWS | ||
| rt_index.c | ||
| rt_index.h | ||
| rt_key.c | ||
| rt_key.h | ||
| rt_mbr.c | ||
| rt_mbr.h | ||
| rt_split.c | ||
| rt_test.c | ||
| sort.c | ||
| sp_defs.h | ||
| sp_key.c | ||
| sp_test.c | ||
| test_pack | ||
| TODO | ||