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[MINOR][SQL] Fix versions in the SQL migration guide for Spark 3.1 #29336

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[MINOR][SQL] Fix versions in the SQL migration guide for Spark 3.1 #29336

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4 changes: 2 additions & 2 deletions docs/sql-migration-guide.md
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Expand Up @@ -24,9 +24,9 @@ license: |

## Upgrading from Spark SQL 3.0 to 3.1

- In Spark 3.1, grouping_id() returns long values. In Spark version 3.0 and earlier, this function returns int values. To restore the behavior before Spark 3.0, you can set `spark.sql.legacy.integerGroupingId` to `true`.
- In Spark 3.1, grouping_id() returns long values. In Spark version 3.0 and earlier, this function returns int values. To restore the behavior before Spark 3.1, you can set `spark.sql.legacy.integerGroupingId` to `true`.

- In Spark 3.1, SQL UI data adopts the `formatted` mode for the query plan explain results. To restore the behavior before Spark 3.0, you can set `spark.sql.ui.explainMode` to `extended`.
- In Spark 3.1, SQL UI data adopts the `formatted` mode for the query plan explain results. To restore the behavior before Spark 3.1, you can set `spark.sql.ui.explainMode` to `extended`.

- In Spark 3.1, `from_unixtime`, `unix_timestamp`,`to_unix_timestamp`, `to_timestamp` and `to_date` will fail if the specified datetime pattern is invalid. In Spark 3.0 or earlier, they result `NULL`.

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