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Update tidb-distributed-execution-framework.md
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Co-authored-by: Grace Cai <[email protected]>
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2 people authored and ti-chi-bot committed Dec 19, 2023
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Expand Up @@ -70,7 +70,7 @@ Currently, for TiDB Self-Hosted, the DXF supports the distributed execution of t
## Limitation

- The DXF can only schedule the distributed execution of one `ADD INDEX` task at a time. If a new `ADD INDEX` task is submitted before the current `ADD INDEX` distributed task has finished, the new task is executed through a transaction.
- Creating indexes on columns with the TIMESTAMP data type through the DXF is not supported, because it might lead to inconsistency between the index and the data.
- Adding indexes on columns with the `TIMESTAMP` data type through the DXF is not supported, because it might lead to inconsistency between the index and the data.

## Prerequisites

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