wangyum commented on a change in pull request #32563:
URL: https://github.com/apache/spark/pull/32563#discussion_r633291382
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File path: docs/sql-migration-guide.md
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@@ -49,7 +49,7 @@ license: |
- In Spark 3.2, the output schema of `SHOW TABLES` becomes `namespace:
string, tableName: string, isTemporary: boolean`. In Spark 3.1 or earlier, the
`namespace` field was named `database` for the builtin catalog, and there is no
`isTemporary` field for v2 catalogs. To restore the old schema with the builtin
catalog, you can set `spark.sql.legacy.keepCommandOutputSchema` to `true`.
- - In Spark 3.2, the output schema of `SHOW TABLE EXTENDED` becomes
`namespace: string, tableName: string, isTemporary: boolean, information:
string`. In Spark 3.1 or earlier, the `namespace` field was named `database`
for the builtin catalog, and no change for the v2 catalogs. To restore the old
schema with the builtin catalog, you can set
`spark.sql.legacy.keepCommandOutputSchema` to `true`.
+ - In Spark 3.2, the output schema of `SHOW TABLE EXTENDED` becomes
`namespace: string, tableName: string, isTemporary: boolean, information:
map[string, string]`. In Spark 3.1 or earlier, the `namespace` field was named
`database` for the builtin catalog, and no change for the v2 catalogs. To
restore the old schema with the builtin catalog, you can set
`spark.sql.legacy.keepCommandOutputSchema` to `true`.
Review comment:
Do we need to make `spark.sql.legacy.keepCommandOutputSchema` also apply
to information column?
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