Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/15958#discussion_r90293883
--- Diff:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4 ---
@@ -124,8 +124,8 @@ statement
(USING resource (',' resource)*)?
#createFunction
| DROP TEMPORARY? FUNCTION (IF EXISTS)? qualifiedName
#dropFunction
| EXPLAIN (LOGICAL | FORMATTED | EXTENDED | CODEGEN)? statement
#explain
- | SHOW TABLES ((FROM | IN) db=identifier)?
- (LIKE? pattern=STRING)?
#showTables
+ | SHOW TABLES EXTENDED? ((FROM | IN) db=identifier)?
+ (LIKE? pattern=STRING)? partitionSpec?
#showTables
--- End diff --
This Syntax is different from Hive.
```
SHOW TABLE EXTENDED [IN|FROM database_name] LIKE
'identifier_with_wildcards' [PARTITION(partition_spec)];
```
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