gatorsmile commented on a change in pull request #24749: [SPARK-27890][SQL]
Improve SQL parser error message for identifier with hyphens
URL: https://github.com/apache/spark/pull/24749#discussion_r289943691
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File path:
sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4
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@@ -158,20 +162,20 @@ statement
| DROP TEMPORARY? FUNCTION (IF EXISTS)? qualifiedName
#dropFunction
| EXPLAIN (LOGICAL | FORMATTED | EXTENDED | CODEGEN | COST)?
statement #explain
- | SHOW TABLES ((FROM | IN) db=identifier)?
+ | SHOW TABLES ((FROM | IN) db=errorCapturingIdentifier)?
(LIKE? pattern=STRING)?
#showTables
- | SHOW TABLE EXTENDED ((FROM | IN) db=identifier)?
+ | SHOW TABLE EXTENDED ((FROM | IN) db=errorCapturingIdentifier)?
LIKE pattern=STRING partitionSpec?
#showTable
| SHOW TBLPROPERTIES table=tableIdentifier
('(' key=tablePropertyKey ')')?
#showTblProperties
| SHOW COLUMNS (FROM | IN) tableIdentifier
- ((FROM | IN) db=identifier)?
#showColumns
+ ((FROM | IN) db=errorCapturingIdentifier)?
#showColumns
| SHOW PARTITIONS tableIdentifier partitionSpec?
#showPartitions
- | SHOW identifier? FUNCTIONS
+ | SHOW errorCapturingIdentifier? FUNCTIONS
Review comment:
This message is also confusing.
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