GideonPotok commented on code in PR #47154:
URL: https://github.com/apache/spark/pull/47154#discussion_r1693245942
##########
sql/core/src/test/scala/org/apache/spark/sql/CollationSQLExpressionsSuite.scala:
##########
@@ -1789,44 +1798,90 @@ class CollationSQLExpressionsSuite
s"named_struct('f2', collate('$elt', '${t.collationId}')), 'f3',
1)").mkString(",")
}.mkString(",")
- val tableName = s"t_${t.collationId}_mode_nested_struct"
+ val tableName = s"t_${t.collationId}_mode_nested_struct1"
withTable(tableName) {
sql(s"CREATE TABLE ${tableName}(i STRUCT<f1: STRUCT<f2: STRING COLLATE
" +
t.collationId + ">, f3: INT>) USING parquet")
sql(s"INSERT INTO ${tableName} VALUES " + valuesToAdd)
val query = s"SELECT lower(mode(i).f1.f2) FROM ${tableName}"
- if(t.collationId == "UTF8_LCASE" ||
- t.collationId == "unicode_ci" ||
- t.collationId == "unicode") {
- // Cannot resolve "mode(i)" due to data type mismatch:
- // Input to function mode was a complex type with strings collated
on non-binary
- // collations, which is not yet supported.. SQLSTATE: 42K09; line 1
pos 13;
- val params = Seq(("sqlExpr", "\"mode(i)\""),
- ("msg", "The input to the function 'mode' " +
- "was a type of binary-unstable type that is not currently
supported by mode."),
- ("hint", "")).toMap
- checkError(
- exception = intercept[AnalysisException] {
- sql(query)
- },
- errorClass = "DATATYPE_MISMATCH.TYPE_CHECK_FAILURE_WITH_HINT",
- parameters = params,
- queryContext = Array(
- ExpectedContext(objectType = "",
- objectName = "",
- startIndex = 13,
- stopIndex = 19,
- fragment = "mode(i)")
- )
- )
- } else {
- checkAnswer(sql(query), Row(t.result))
- }
+ checkAnswer(sql(query), Row(t.result))
}
})
}
test("Support mode for string expression with collated strings in array
complex type") {
+ case class ModeTestCase[R](collationId: String, bufferValues: Map[String,
Long], result: R)
+ val testCases = Seq(
+ ModeTestCase("utf8_binary", Map("a" -> 3L, "b" -> 2L, "B" -> 2L), "a"),
+ ModeTestCase("UTF8_LCASE", Map("a" -> 3L, "b" -> 2L, "B" -> 2L), "b"),
+ ModeTestCase("unicode", Map("a" -> 3L, "b" -> 2L, "B" -> 2L), "a"),
+ ModeTestCase("unicode_ci", Map("a" -> 3L, "b" -> 2L, "B" -> 2L), "b")
+ )
+ testCases.foreach(t => {
+ val valuesToAdd = t.bufferValues.map { case (elt, numRepeats) =>
+ (0L to numRepeats).map(_ => s"array(named_struct('f2', " +
+ s"collate('$elt', '${t.collationId}'), 'f3', 1))").mkString(",")
+ }.mkString(",")
+
+ val tableName = s"t_${t.collationId}_mode_nested_struct2"
+ withTable(tableName) {
+ sql(s"CREATE TABLE ${tableName}(" +
+ s"i ARRAY< STRUCT<f2: STRING COLLATE ${t.collationId}, f3: INT>>)" +
+ s" USING parquet")
+ sql(s"INSERT INTO ${tableName} VALUES " + valuesToAdd)
+ val query = s"SELECT lower(element_at(mode(i).f2, 1)) FROM
${tableName}"
+ checkAnswer(sql(query), Row(t.result))
+ }
+ })
+ }
+
+ test("Support mode for string expression with collated strings in 3D array
type") {
Review Comment:
@uros-db
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