Github user hvanhovell commented on a diff in the pull request: https://github.com/apache/spark/pull/11991#discussion_r57801096 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala --- @@ -70,12 +70,28 @@ class SparkSqlAstBuilder extends AstBuilder { /** * Create a [[ShowTablesCommand]] logical plan. + * Example SQL : + * SHOW TABLES [(IN|FROM) database_name] ['identifier_with_wildcards'] */ override def visitShowTables(ctx: ShowTablesContext): LogicalPlan = withOrigin(ctx) { - if (ctx.LIKE != null) { - logWarning("SHOW TABLES LIKE option is ignored.") + if (ctx.qualifiedName() != null) { + logWarning("SHOW TABLES qualifiedName is ignored.") --- End diff -- The only reason for qualifiedName to be used was Hive. If Hive doesn't support it (it is supported in the parser BTW), then we should drop it.
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