Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/12801#discussion_r61995863
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
---
@@ -248,6 +248,26 @@ class AstBuilder extends SqlBaseBaseVisitor[AnyRef]
with Logging {
}
/**
+ * Create a partition range specification map.
+ * Note, we do not support partition range yet. Thus, only support the
partition spec specified
+ * in the following format: partition_column=val
+ */
+ override def visitPartitionRangeSpec(
+ ctx: PartitionRangeSpecContext): Map[String, String] =
withOrigin(ctx) {
+ ctx.partitionRangeVal.asScala.map { pVal =>
+ val operator =
pVal.comparisonOperator().getChild(0).asInstanceOf[TerminalNode]
+ if (operator.getSymbol.getType != SqlBaseParser.EQ) {
--- End diff --
I will revert it. The purpose here is to issue a better exception message
if users specify predicates in alter table drop partition.
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