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sql-statement-create-binding: add note about truncation #21825

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Merged
merged 4 commits into from
Sep 30, 2025
Merged

sql-statement-create-binding: add note about truncation #21825

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sql-statement-create-binding: add note about truncation
dveeden Sep 23, 2025
4036eca
Update sql-statements/sql-statement-create-binding.md
dveeden Sep 23, 2025
08f0ca8
Update sql-statements/sql-statement-create-binding.md
dveeden Sep 24, 2025
aa21321
minor wording updates
qiancai Sep 25, 2025
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4 changes: 4 additions & 0 deletions sql-statements/sql-statement-create-binding.md
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Expand Up @@ -311,6 +311,10 @@ Empty set (0.002 sec)
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```

## Statement truncation

The `CREATE BINDING` statement can fail if it is used with `FROM HISTORY USING PLAN DIGEST` and if the statement is truncated because it is longer than [`tidb_stmt_summary_max_sql_length`](/system-variables.md#tidb_stmt_summary_max_sql_length-new-in-v40). If this happens it is recommended to increase `tidb_stmt_summary_max_sql_length`.

## MySQL compatibility

This statement is a TiDB extension to MySQL syntax.
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