beliefer commented on a change in pull request #31245:
URL: https://github.com/apache/spark/pull/31245#discussion_r565841306
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File path: docs/sql-migration-guide.md
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@@ -40,6 +40,10 @@ license: |
- In Spark 3.2, script transform default FIELD DELIMIT is `\u0001` for no
serde mode, serde property `field.delim` is `\t` for Hive serde mode when user
specifies serde. In Spark 3.1 or earlier, the default FIELD DELIMIT is `\t`,
serde property `field.delim` is `\u0001` for Hive serde mode when user
specifies serde.
- In Spark 3.2, the auto-generated `Cast` (such as those added by type
coercion rules) will be stripped when generating column alias names. E.g.,
`sql("SELECT floor(1)").columns` will be `FLOOR(1)` instead of `FLOOR(CAST(1 AS
DOUBLE))`.
+
+ - In Spark 3.2, the output schema of `SHOW TABLES` becomes `namespace:
string, tableName: string, isTemporary: boolean`. In Spark 3.1 or earlier, the
output schema of `SHOW TABLES` is `database: string, tableName: string,
isTemporary: boolean` for the builtin catalog, is `namespace: string,
tableName: string` for the v2 catalogs.
Review comment:
OK
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