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MDEV-22660 System versioning cleanups

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- Cleaned up Vers_parse_info::check_sys_fields();
- Renamed VERS_SYS_START_FLAG, VERS_SYS_END_FLAG to VERS_ROW_START,
  VERS_ROW_END.
This commit is contained in:
Aleksey Midenkov
2021-10-11 13:36:06 +03:00
parent 00affc324c
commit 911c803db1
9 changed files with 64 additions and 67 deletions
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6
include/mysql_com.h
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@@ -193,13 +193,13 @@ enum enum_indicator_type
#define FIELD_FLAGS_COLUMN_FORMAT_MASK (3U << FIELD_FLAGS_COLUMN_FORMAT)
#define FIELD_IS_DROPPED (1U << 26) /* Intern: Field is being dropped */
#define VERS_SYS_START_FLAG (1 << 27) /* autogenerated column declared with
#define VERS_ROW_START (1 << 27) /* autogenerated column declared with
`generated always as row start`
(see II.a SQL Standard) */
#define VERS_SYS_END_FLAG (1 << 28) /* autogenerated column declared with
#define VERS_ROW_END (1 << 28) /* autogenerated column declared with
`generated always as row end`
(see II.a SQL Standard).*/
#define VERS_SYSTEM_FIELD (VERS_SYS_START_FLAG | VERS_SYS_END_FLAG)
#define VERS_SYSTEM_FIELD (VERS_ROW_START | VERS_ROW_END)
#define VERS_UPDATE_UNVERSIONED_FLAG (1 << 29) /* column that doesn't support
system versioning when table
itself supports it*/