cloud-fan commented on code in PR #47648:
URL: https://github.com/apache/spark/pull/47648#discussion_r1711532041
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sql/core/src/main/scala/org/apache/spark/sql/scripting/SqlScriptingExecutionNode.scala:
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@@ -78,11 +82,15 @@ trait NonLeafStatementExec extends CompoundStatementExec {
case Array(field) if field.dataType == BooleanType =>
df.limit(2).collect() match {
case Array(row) => row.getBoolean(0)
- case _ => false
+ case _ =>
+ throw SqlScriptingErrors.booleanStatementTooManyRows(
Review Comment:
same here, the parser only allows expression for the IF condition and we
build a one row relation internally to turn the expression into a logical plan.
It will never return more than one rows. We can throw internal error here.
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