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tidb: Add ENGINE_ATTRIBUTE table option #20148

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merged 2 commits into from
Feb 7, 2025
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tidb: Add ENGINE_ATTRIBUTE table option #20148

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Add ENGINE_ATTRIBUTE table option
pingyu Jan 27, 2025
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pingyu Feb 7, 2025
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4 changes: 2 additions & 2 deletions sql-statements/sql-statement-create-table.md
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Expand Up @@ -109,7 +109,7 @@ TableOption ::=
PartDefOption
| DefaultKwdOpt ( CharsetKw EqOpt CharsetName | 'COLLATE' EqOpt CollationName )
| ( 'AUTO_INCREMENT' | 'AUTO_ID_CACHE' | 'AUTO_RANDOM_BASE' | 'AVG_ROW_LENGTH' | 'CHECKSUM' | 'TABLE_CHECKSUM' | 'KEY_BLOCK_SIZE' | 'DELAY_KEY_WRITE' | 'SHARD_ROW_ID_BITS' | 'PRE_SPLIT_REGIONS' ) EqOpt LengthNum
| ( 'CONNECTION' | 'PASSWORD' | 'COMPRESSION' ) EqOpt stringLit
| ( 'CONNECTION' | 'ENGINE_ATTRIBUTE' | 'PASSWORD' | 'COMPRESSION' ) EqOpt stringLit
| RowFormat
| ( 'STATS_PERSISTENT' | 'PACK_KEYS' ) EqOpt StatsPersistentVal
| ( 'STATS_AUTO_RECALC' | 'STATS_SAMPLE_PAGES' ) EqOpt ( LengthNum | 'DEFAULT' )
Expand All @@ -128,7 +128,7 @@ PlacementPolicyOption ::=
| "PLACEMENT" "POLICY" (EqOpt | "SET") "DEFAULT"
```

The following *table_options* are supported. Other options such as `AVG_ROW_LENGTH`, `CHECKSUM`, `COMPRESSION`, `CONNECTION`, `DELAY_KEY_WRITE`, `ENGINE`, `KEY_BLOCK_SIZE`, `MAX_ROWS`, `MIN_ROWS`, `ROW_FORMAT` and `STATS_PERSISTENT` are parsed but ignored.
The following *table_options* are supported. Other options such as `AVG_ROW_LENGTH`, `CHECKSUM`, `COMPRESSION`, `CONNECTION`, `DELAY_KEY_WRITE`, `ENGINE`, `KEY_BLOCK_SIZE`, `MAX_ROWS`, `MIN_ROWS`, `ROW_FORMAT` and `STATS_PERSISTENT` are parsed but ignored. `ENGINE_ATTRIBUTE` is parsed but always returns the `ERROR 3981 (HY000): Storage engine does not support ENGINE_ATTRIBUTE` error. This option is reserved for future use.

| Options | Description | Example |
| ---------- | ---------- | ------- |
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