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MDEV-22597 Add views for periods in information_schema

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Two new information_schema views are added:
* PERIOD table -- columns TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME,
  PERIOD_NAME, START_COLUMN_NAME, END_COLUMN_NAME.
* KEY_PERIOD_USAGE -- works similar to KEY_COLUMN_USAGE, but for periods.
  Columns CONSTRAINT_CATALOG, CONSTRAINT_SCHEMA, CONSTRAINT_NAME,
  TABLE_CATALOG, TABLE_SCHEMA, TABLE_NAME, PERIOD_NAME

Two new columns are added to the COLUMNS view:
 IS_SYSTEM_TIME_PERIOD_START, IS_SYSTEM_TIME_PERIOD_END - contain YES/NO.
This commit is contained in:
Nikita Malyavin
2023-08-30 01:04:34 +04:00
committed by Oleksandr Byelkin
parent 85f9df29c0
commit 4246c0fa01
37 changed files with 4840 additions and 4102 deletions
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5
sql/handler.h
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@@ -1067,10 +1067,12 @@ enum enum_schema_tables
SCH_KEYWORDS,
SCH_KEY_CACHES,
SCH_KEY_COLUMN_USAGE,
SCH_KEY_PERIOD_USAGE,
SCH_OPEN_TABLES,
SCH_OPTIMIZER_COSTS,
SCH_OPT_TRACE,
SCH_PARAMETERS,
SCH_PERIODS,
SCH_PARTITIONS,
SCH_PLUGINS,
SCH_PROCESSLIST,
@@ -1091,7 +1093,8 @@ enum enum_schema_tables
SCH_TABLE_PRIVILEGES,
SCH_TRIGGERS,
SCH_USER_PRIVILEGES,
SCH_VIEWS
SCH_VIEWS,
SCH_ENUM_SIZE
};
struct TABLE_SHARE;