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[SPARK-28143][SQL] Expressions without proper constructors should throw AnalysisException #24947

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[SPARK-28143][SQL] Expressions without proper constructors should throw AnalysisException #24947

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4af96a1
[SPARK-28143][SQL]IN expression missing attribute should throw analys…
yaooqinn Jun 24, 2019
9ca1990
bring back filter logic and and an or condition
yaooqinn Jun 24, 2019
15c67d6
if valid paras count == 0
yaooqinn Jun 25, 2019
30ef47e
unified err msg
yaooqinn Jun 25, 2019
a0363de
add some hints when the registered function is defined wrong or misused
yaooqinn Jul 26, 2019
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4 changes: 3 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -581,7 +581,9 @@ object FunctionRegistry {
val params = Seq.fill(expressions.size)(classOf[Expression])
val f = constructors.find(_.getParameterTypes.toSeq == params).getOrElse {
val validParametersCount = constructors
.filter(_.getParameterTypes.forall(_ == classOf[Expression]))
.filter(_.getParameterTypes.forall { t =>
t == classOf[Expression] || t == classOf[Seq[Expression]]
})
.map(_.getParameterCount).distinct.sorted
val expectedNumberOfParameters = if (validParametersCount.length == 1) {
validParametersCount.head.toString
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6 changes: 6 additions & 0 deletions sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
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Expand Up @@ -106,6 +106,12 @@ class SQLQuerySuite extends QueryTest with SharedSQLContext {
checkKeywordsExist(sql("describe functioN abcadf"), "Function: abcadf not found.")
}

test("SPARK-28143: IN expression missing attribute should throw analysis exception") {
val query = "select 1 from where in ()"
val e = intercept[AnalysisException](sql(query))
assert(e.getMessage.startsWith("Invalid number of arguments for function in."))
}

test("SPARK-14415: All functions should have own descriptions") {
for (f <- spark.sessionState.functionRegistry.listFunction()) {
if (!Seq("cube", "grouping", "grouping_id", "rollup", "window").contains(f.unquotedString)) {
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