Aleksey Midenkov
3a64d55aed
Parser, SQL: table-specific FOR SYSTEM_TIME [ closes #116 ]
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* Syntax sugar: query-global QUERY FOR SYSTEM_TIME
2017-05-05 20:36:25 +03:00
kevg
1742561b4e
fix use-after-free [ closes #89 ]
2017-05-05 20:36:21 +03:00
Aleksey Midenkov
a1c36f2e15
SQL: default NULL for sys fields + misc fixes
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* sys fields are NULL by default (with exceptions, see comment about NOT_NULL_FLAG in #77 );
* error codes renamed, messages cleared out;
* SHOW CREATE TABLE fixed;
* set_max() fix;
* redundant flag setters/getters removed;
* flags are set in sql_yacc.yy, redundant copy_info_about_generated_fields() eliminated.
2017-05-05 20:36:18 +03:00
Aleksey Midenkov
303d72a0f4
SQL: redundant error codes reduced
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Replaced codes:
ER_NO_VERSIONED_FIELDS_IN_VERSIONED_TABLE
ER_MISSING_WITH_SYSTEM_VERSIONING
ER_SYS_START_NOT_SPECIFIED
ER_SYS_END_NOT_SPECIFIED
ER_MISSING_PERIOD_FOR_SYSTEM_TIME
ER_PERIOD_FOR_SYSTEM_TIME_CONTAINS_WRONG_START_COLUMN
ER_PERIOD_FOR_SYSTEM_TIME_CONTAINS_WRONG_END_COLUMN
ER_SYS_START_AND_SYS_END_SAME
ER_SYS_START_MORE_THAN_ONCE
ER_SYS_END_MORE_THAN_ONCE
with:
ER_VERS_WRONG_PARAMS
ER_VERS_FIELD_WRONG_TYPE
2017-05-05 20:36:18 +03:00
Aleksey Midenkov
d54d36c45e
IB, SQL: (0.4) COMMIT_ID-based ordering of transactions
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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
Kosov Eugene
0581c018b7
SQL: NULL instead of optimized fields in versioned queries
2017-05-05 20:36:16 +03:00
