yuningzh-db commented on a change in pull request #30108:
URL: https://github.com/apache/spark/pull/30108#discussion_r511049304
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/AnalysisSuite.scala
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@@ -926,4 +926,45 @@ class AnalysisSuite extends AnalysisTest with Matchers {
)
assertAnalysisSuccess(plan)
}
+
+ test("SPARK-33197: Make sure changes to ANALYZER_MAX_ITERATIONS take effect
at runtime") {
+ // RuleExecutor only throw exception or log warning when the rule is
supposed to run
+ // more than once.
+ val maxIterations = 2
+ val maxIterationsEnough = 5
+ withSQLConf(SQLConf.ANALYZER_MAX_ITERATIONS.key -> maxIterations.toString)
{
+ val conf = SQLConf.get
+ val testAnalyzer = new Analyzer(
+ new SessionCatalog(new InMemoryCatalog, FunctionRegistry.builtin,
conf), conf)
+
+ val plan = testRelation2.select(
+ $"a" / Literal(2) as "div1",
+ $"a" / $"b" as "div2",
+ $"a" / $"c" as "div3",
+ $"a" / $"d" as "div4",
+ $"e" / $"e" as "div5")
+
+ val message1 = intercept[TreeNodeException[LogicalPlan]] {
+ testAnalyzer.execute(plan)
+ }.getMessage
+ assert(message1.startsWith(s"Max iterations ($maxIterations) reached for
batch Resolution, " +
+ s"please set '${SQLConf.ANALYZER_MAX_ITERATIONS.key}' to a larger
value."))
+
+ withSQLConf(SQLConf.ANALYZER_MAX_ITERATIONS.key ->
maxIterationsEnough.toString) {
+ try {
+ testAnalyzer.execute(plan)
+ } catch {
Review comment:
I want to make it explicit that this line should not trigger exception.
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