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48 commits

Author SHA1 Message Date
Sergei Golubchik
33366b1098 remove @@system_versioning_innodb_algorithm_simple 
and delete few garbage-in-garbage-out tests
 2018-02-24 00:50:57 +01:00
Aleksey Midenkov
f1bd02d994 MDEV-15004 parser greedily parses AS OF TIMESTAMP 
* TIMESTAMP precedence fixed.
 2018-02-23 15:33:23 +01:00
Eugene Kosov
fbed4ca4f1 MDEV-14816 Assertion join->best_read < double(1.797...e+308L) failed in bool greedy_search 2018-01-12 21:20:24 +01:00
Sergei Golubchik
b85efdc3af rename system_time columns 
sys_trx_start -> row_start
sys_trx_end -> row_end
 2018-01-09 15:49:07 +03:00
Sergei Golubchik
35b679b924 SQL: error messages 
remove unused error messages
reword ER_VERS_SYS_FIELD_NOT_HIDDEN->ER_VERS_SYS_FIELD_EXISTS
 2018-01-09 14:16:47 +03:00
Sergei Golubchik
e6a7457653 SQL: derived, hiding, error messages 
Many related changes.

Note that AS OF condition must always be pushed down to physical tables,
it cannot be applied to a derived or a view. Thus:

* no versioning for internal temporary tables, they can never store
  historical data.
* remove special versioning code from mysql_derived_prepare and
  remove ER_VERS_DERIVED_PROHIBITED - derived can have no historical
  data and cannot be prohibited for system versioning related reasons.
* do not expand select list for derived/views with sys vers fields,
  derived/views can never have historical data.
* remove special invisiblity rules for sys vers fields, they are no
  longer needed after the previous change
* remove system_versioning_hide, it lost the meaning after the
  previous change.
* remove ER_VERS_SYSTEM_TIME_CLASH, it's no "clash", the inner
  AS OF clause always wins.
* non-versioned fields in a historical query

reword the warning text, downgrade to note, don't
replace values with NULLs
 2018-01-09 14:12:41 +03:00
Aleksey Midenkov
c5d0c38efc MDEV-14676 Redundancy in error codes 
ER_VERS_NOT_VERSIONED vs ER_VERSIONING_REQUIRED
 2017-12-19 22:05:25 +03:00
Aleksey Midenkov
ee68d019d1 SQL: removed VERS_HIDDEN_FLAG [closes #409] 2017-12-19 16:12:56 +03:00
Aleksey Midenkov
b55a149194
Timestamp-based versioning for InnoDB [closes #209] 
* Removed integer_fields check
* Reworked Vers_parse_info::check_sys_fields()
* Misc renames
* versioned as vers_sys_type_t

* Removed versioned_by_sql(), versioned_by_engine()

versioned() works as before;
versioned(VERS_TIMESTAMP) is versioned_by_sql();
versioned(VERS_TRX_ID) is versioned_by_engine().

* create_tmp_table() fix
* Foreign constraints for timestamp-based
* Range auto-specifier fix
* SQL: 1-row partition rotation fix [fixes #260]
* Fix 'drop system versioning, algorithm=inplace'
 2017-12-18 19:03:51 +03:00
Aleksey Midenkov
4624e565f3 System Versioning 1.0 pre6 
Merge remote-tracking branch 'mariadb/bb-10.3-temporal-serg' into trunk
 2017-12-15 18:12:18 +03:00
Aleksey Midenkov
70d7672377 SQL: MDEV-14633 Assertion on TRT read [fixes #406] 2017-12-15 16:42:25 +03:00
Aleksey Midenkov
2ae2876a6c MDEV-14652 NATURAL JOIN crash in mark_common_columns() [fixes #405] 
SQL: reverted NATURAL JOIN fix #161 (deprecated by #383)
 2017-12-14 21:31:38 +03:00
Aleksey Midenkov
f96815fe97 SQL: unit resolution Item_field not yet accessible [fixes #398] 2017-12-14 18:42:53 +03:00
Aleksey Midenkov
1668efb722 MDEV-14645: AS OF TIMESTAMP is misused as TRX_ID [fixes #396] 2017-12-14 18:14:21 +03:00
Sergei Golubchik
ca6454bcfe for now, remove FOR SYSTEM_TIME at the end of the query 
non-standard, redundant, potentially risky in the future,
hides bugs. See #383, #384, #385

Fixed a parser bug where
SELECT * FROM (t1 join t2) FOR SYSTEM_TIME ...
was not an error.
 2017-12-13 21:51:20 +01:00
Aleksey Midenkov
947aa0bab9 SQL: vers_setup_select() misc refactoring 
Renamed to SELECT_LEX::vers_setup_conds().
Moved optimized fields check to JOIN::vers_check_items().
 2017-12-08 19:37:24 +03:00
Aleksey Midenkov
ad51d77f79 SQL: WHERE top level item [#365 bug 11] 
Tests affected (forced mode):

main.range main.range_mrr_icp
 2017-12-08 16:26:18 +03:00
Sergei Golubchik
3198bc839d Parser: unreserve keywords 
SELECT * FROM t1 FOR SYSTEM_TIME AS OF ...

becomes ambiguous, but it's the same as with

SELECT ... UNION SELECT ... ORDER BY ...
 2017-12-05 15:09:09 +03:00
Aleksey Midenkov
6ac773421f SQL: WHERE cond freed prematurely for PS [#365 bug 10] 
Applicable to vanilla version.
Applies to Item_cond_and, etc.: items with allocating copy_andor_structure().

Tests affected (forced mode):

main.subselect_sj
main.subselect_sj_jcl6
 2017-12-05 14:32:34 +03:00
Aleksey Midenkov
3d88a72f76 SQL: fix subquery not a derived table [#365 bug 9] 
Tests affected (forced mode):

main.ps \
main.user_var \
main.myisam_explain_non_select_all \
main.opt_tvc \
main.subselect \
main.subselect_no_exists_to_in \
main.derived \
main.derived_opt \
main.update
 2017-12-05 14:32:33 +03:00
Aleksey Midenkov
5bf14f93a4 Tests: fix combinations 2017-12-04 00:49:44 +03:00
Aleksey Midenkov
b9225bb52c SQL: outdated select_lex->where fix [#365 bug 5] 
Affected tests (forced mode):

main.index_merge_myisam

After optimization versioning AND takes operands from WHERE AND
leaving `select_lex->where` as empty dangling AND.
 2017-11-30 23:23:21 +03:00
Aleksey Midenkov
e4b86780ae SQL: optimized transformer fix [#365 bug 4] 
Affected tests (forced mode):

main.win
main.selectivity_innodb
main.subselect_cache
main.analyze_stmt_orderby

Related to #226 (909867d014).
 2017-11-30 08:31:38 +03:00
Eugene Kosov
99baeaa951 SQL: MAX microseconds for current system rows [fixes #245] 2017-08-18 14:29:22 +03:00
Aleksey Midenkov
d3d2ea9fd5 SQL, Parser: system_time logic and syntax fixes [closes #237] 2017-08-08 17:12:16 +03:00
Aleksey Midenkov
c2c8808a16 SQL: compare TRX_ID fields against timestamps [closes #231] 2017-08-03 16:01:16 +03:00
Aleksey Midenkov
91c8b43e77 Parser: syntax for query system_time [closes #230] 
Eliminated `QUERY FOR`.
 2017-07-12 12:10:13 +03:00
Aleksey Midenkov
4b0f1284ee SQL: revisit error messages [closes #217] 2017-07-03 14:04:34 +03:00
Aleksey Midenkov
1e8a81dea6 SQL: CREATE VIEW and misc improvements [fixes #183] 2017-05-05 20:36:37 +03:00
kevg
f77a4135bf SQL: parsing of QUERY FOR [fixes #159] 
Reverts 46e36bbffa7cd8d9eb861a22755025ffe8751449 - SQL: fix assertion failure in parser
 2017-05-05 20:36:34 +03:00
kevg
14f007f907 SQL: versioning in embedded JOINs [fixes #160] 2017-05-05 20:36:33 +03:00
kevg
e8ae9f1ae9 SQL: VIEW NATURAL JOIN TABLE [fixes #161] 2017-05-05 20:36:33 +03:00
Aleksey Midenkov
1894fab11a Tests: split versioning.select into combinations 2017-05-05 20:36:32 +03:00
kevg
fb0b3e5902 SQL: NATURAL LEFT JOIN for versioned tables [fixes #156] 2017-05-05 20:36:32 +03:00
kevg
5a08bd3515 Tests: subqueries with JOINed tables with different FOR SYSTEM_TIME clauses [closes #154] 2017-05-05 20:36:32 +03:00
kevg
7fd549095f IB: return correct sys_trx_end in TRIGGER after UPDATE [fixes #100] 2017-05-05 20:36:31 +03:00
kevg
9ea02899f8 SQL: nested equi-join for versioned table [fixes #150] 2017-05-05 20:36:31 +03:00
kevg
d85e7a5e01 SQL: NATUAL JOIN on view + table [fixes #148] 2017-05-05 20:36:30 +03:00
kevg
7a22dd3716 SQL: INNER JOIN USING with versioned tables [fixes #147] 2017-05-05 20:36:29 +03:00
kevg
17745222a1 SQL: incorrect check on specific JOIN query [fixes #145] 2017-05-05 20:36:29 +03:00
Aleksey Midenkov
3a64d55aed Parser, SQL: table-specific FOR SYSTEM_TIME [closes #116] 
* Syntax sugar: query-global QUERY FOR SYSTEM_TIME
 2017-05-05 20:36:25 +03:00
Aleksey Midenkov
27d9e762a9 SQL: prohibit write-locking of historic rows [fixes #102] 2017-05-05 20:36:23 +03:00
Aleksey Midenkov
695c5aabad SQL: error on FOR SYSTEM_TIME without any versioned tables 
[fixes #88]
 2017-05-05 20:36:20 +03:00
Aleksey Midenkov
eff649eba4 Parser: syntax extension FOR SYSTEM_TIME ALL 2017-05-05 20:36:19 +03:00
Aleksey Midenkov
d54d36c45e IB, SQL: (0.4) COMMIT_ID-based ordering of transactions 
IB:
* removed CONCURR_TRX from VTQ;
* new fields in VTQ: COMMIT_ID, ISO_LEVEL.

SQL:
* renamed BEGIN_TS, COMMIT_TS to VTQ_BEGIN_TS, VTQ_COMMIT_TS;
* new functions: VTQ_COMMIT_ID, VTQ_ISO_LEVEL, VTQ_TRX_ID, VTQ_TRX_SEES, VTQ_TRX_SEES_EQ;
* versioned SELECT for IB uses VTQ_TRX_SEES, VTQ_TRX_SEES_EQ.

Closes #71
 2017-05-05 20:36:17 +03:00
Aleksey Midenkov
d65bc82909 Tests: (0.4) TRANSACTION support in queries (#27) 2017-05-05 20:36:16 +03:00
Kosov Eugene
e094228631 SQL: hide implicitly added columns from SELECT * 2017-05-05 20:36:14 +03:00
Aleksey Midenkov
d3b737d910 Tests: moved to dedicated versioning suite 
Run `mtr --suite=versioning` or `mtr versioning.<test-name>`
 2017-05-05 20:36:13 +03:00