uros-db commented on code in PR #47620:
URL: https://github.com/apache/spark/pull/47620#discussion_r1713247399
##########
sql/core/src/test/scala/org/apache/spark/sql/CollationStringExpressionsSuite.scala:
##########
@@ -17,135 +17,130 @@
package org.apache.spark.sql
-import org.apache.spark.{SparkConf, SparkIllegalArgumentException}
-import org.apache.spark.sql.catalyst.expressions.{ExpressionEvalHelper,
Literal, StringTrim, StringTrimLeft, StringTrimRight}
-import org.apache.spark.sql.catalyst.util.CollationFactory
+import org.apache.spark.SparkConf
+import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.test.SharedSparkSession
-import org.apache.spark.sql.types.{ArrayType, BinaryType, BooleanType,
DataType, IntegerType, StringType}
+import org.apache.spark.sql.types._
// scalastyle:off nonascii
class CollationStringExpressionsSuite
extends QueryTest
with SharedSparkSession
with ExpressionEvalHelper {
- test("Support ConcatWs string expression with collation") {
- // Supported collations
- case class ConcatWsTestCase[R](s: String, a: Array[String], c: String,
result: R)
+ test("Support `ConcatWs` string expression with collation") {
+ case class ConcatWsTestCase[R](
+ sep: String,
+ arrayStr: Array[String],
+ collation: String,
+ result: R)
val testCases = Seq(
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UTF8_BINARY", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UTF8_LCASE", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UNICODE", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UNICODE_CI", "Spark SQL")
)
testCases.foreach(t => {
- val arrCollated = t.a.map(s => s"collate('$s', '${t.c}')").mkString(", ")
- var query = s"SELECT concat_ws(collate('${t.s}', '${t.c}'),
$arrCollated)"
- // Result & data type
- checkAnswer(sql(query), Row(t.result))
- assert(sql(query).schema.fields.head.dataType.sameType(StringType(t.c)))
- // Implicit casting
- val arr = t.a.map(s => s"'$s'").mkString(", ")
- query = s"SELECT concat_ws(collate('${t.s}', '${t.c}'), $arr)"
- checkAnswer(sql(query), Row(t.result))
- assert(sql(query).schema.fields.head.dataType.sameType(StringType(t.c)))
- query = s"SELECT concat_ws('${t.s}', $arrCollated)"
- checkAnswer(sql(query), Row(t.result))
- assert(sql(query).schema.fields.head.dataType.sameType(StringType(t.c)))
+ // Unit test.
+ val inputExprs = t.arrayStr.map {
+ case null => Literal.create(null, StringType(t.collation))
+ case s: String => Literal.create(s, StringType(t.collation))
+ }
+ val sepExpr = Literal.create(t.sep, StringType(t.collation))
+ checkEvaluation(ConcatWs(sepExpr +: inputExprs.toIndexedSeq), t.result)
+ // E2E SQL test.
+ withSQLConf(SQLConf.DEFAULT_COLLATION.key -> t.collation) {
+ val array = t.arrayStr.map(s => s"'$s'").mkString(", ")
+ val query = s"select concat_ws('${t.sep}', $array)"
+ checkAnswer(sql(query), Row(t.result))
+
assert(sql(query).schema.fields.head.dataType.sameType(StringType(t.collation)))
+ }
})
- // Collation mismatch
- checkError(
- exception = intercept[AnalysisException] {
- sql("SELECT concat_ws(' ', collate('Spark', 'UTF8_LCASE'),
collate('SQL', 'UNICODE'))")
- },
- errorClass = "COLLATION_MISMATCH.EXPLICIT",
- parameters = Map("explicitTypes" -> "`string collate UTF8_LCASE`,
`string collate UNICODE`")
Review Comment:
As I mentioned in the comment above, these tests will be moved to the
`collations.sql` golden file, as part of a separate PR
##########
sql/core/src/test/scala/org/apache/spark/sql/CollationStringExpressionsSuite.scala:
##########
@@ -17,135 +17,130 @@
package org.apache.spark.sql
-import org.apache.spark.{SparkConf, SparkIllegalArgumentException}
-import org.apache.spark.sql.catalyst.expressions.{ExpressionEvalHelper,
Literal, StringTrim, StringTrimLeft, StringTrimRight}
-import org.apache.spark.sql.catalyst.util.CollationFactory
+import org.apache.spark.SparkConf
+import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.test.SharedSparkSession
-import org.apache.spark.sql.types.{ArrayType, BinaryType, BooleanType,
DataType, IntegerType, StringType}
+import org.apache.spark.sql.types._
// scalastyle:off nonascii
class CollationStringExpressionsSuite
extends QueryTest
with SharedSparkSession
with ExpressionEvalHelper {
- test("Support ConcatWs string expression with collation") {
- // Supported collations
- case class ConcatWsTestCase[R](s: String, a: Array[String], c: String,
result: R)
+ test("Support `ConcatWs` string expression with collation") {
+ case class ConcatWsTestCase[R](
+ sep: String,
+ arrayStr: Array[String],
+ collation: String,
+ result: R)
val testCases = Seq(
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UTF8_BINARY", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UTF8_LCASE", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UNICODE", "Spark SQL"),
ConcatWsTestCase(" ", Array("Spark", "SQL"), "UNICODE_CI", "Spark SQL")
)
testCases.foreach(t => {
- val arrCollated = t.a.map(s => s"collate('$s', '${t.c}')").mkString(", ")
- var query = s"SELECT concat_ws(collate('${t.s}', '${t.c}'),
$arrCollated)"
- // Result & data type
- checkAnswer(sql(query), Row(t.result))
- assert(sql(query).schema.fields.head.dataType.sameType(StringType(t.c)))
- // Implicit casting
Review Comment:
As I mentioned in the comment above, these tests will be moved to the
`collations.sql` golden file, as part of a separate PR
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