miland-db commented on code in PR #45643:
URL: https://github.com/apache/spark/pull/45643#discussion_r1537422910
##########
sql/core/src/test/scala/org/apache/spark/sql/CollationStringExpressionsSuite.scala:
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@@ -70,6 +74,152 @@ class CollationStringExpressionsSuite extends QueryTest
with SharedSparkSession
})
}
+ test("INSTR check result on non-explicit default collation") {
+ checkEvaluation(StringInstr(Literal("aAads"), Literal("Aa")), 2)
+ }
+
+ test("INSTR check result on explicitly collated strings") {
+ // UTF8_BINARY_LCASE
+ checkEvaluation(StringInstr(Literal.create("aaads", StringType(1)),
+ Literal.create("Aa", StringType(1))), 1)
+ checkEvaluation(StringInstr(Collate(Literal("aaads"), "UTF8_BINARY_LCASE"),
+ Collate(Literal("Aa"), "UTF8_BINARY_LCASE")), 1)
+ checkEvaluation(StringInstr(Collate(Literal("aaads"), "UTF8_BINARY_LCASE"),
+ Collate(Literal("de"), "UTF8_BINARY_LCASE")), 0)
+ // UNICODE
+ checkEvaluation(StringInstr(Literal.create("aaads", StringType(2)),
+ Literal.create("Aa", StringType(2))), 0)
+ checkEvaluation(StringInstr(Collate(Literal("aaads"), "UNICODE"),
+ Collate(Literal("de"), "UNICODE")), 0)
+ // UNICODE_CI
+ checkEvaluation(StringInstr(Literal.create("aaads", StringType(3)),
+ Literal.create("de", StringType(3))), 0)
+ checkEvaluation(StringInstr(Collate(Literal("aaads"), "UNICODE_CI"),
+ Collate(Literal("AD"), "UNICODE_CI")), 3)
+ }
+
+ test("INSTR fail mismatched collation types") {
+ // UNICODE and UNICODE_CI
+ val expr1 = StringInstr(Collate(Literal("aaads"), "UNICODE"),
+ Collate(Literal("Aa"), "UNICODE_CI"))
+ assert(expr1.checkInputDataTypes() ==
+ DataTypeMismatch(
+ errorSubClass = "COLLATION_MISMATCH",
+ messageParameters = Map(
+ "collationNameLeft" -> "UNICODE",
+ "collationNameRight" -> "UNICODE_CI"
+ )
+ )
+ )
+ // DEFAULT(UTF8_BINARY) and UTF8_BINARY_LCASE
+ val expr2 = StringInstr(Literal("aaads"),
+ Collate(Literal("Aa"), "UTF8_BINARY_LCASE"))
+ assert(expr2.checkInputDataTypes() ==
+ DataTypeMismatch(
+ errorSubClass = "COLLATION_MISMATCH",
+ messageParameters = Map(
+ "collationNameLeft" -> "UTF8_BINARY",
+ "collationNameRight" -> "UTF8_BINARY_LCASE"
+ )
+ )
+ )
+ // UTF8_BINARY_LCASE and UNICODE_CI
+ val expr3 = StringInstr(Collate(Literal("aaads"), "UTF8_BINARY_LCASE"),
+ Collate(Literal("Aa"), "UNICODE_CI"))
+ assert(expr3.checkInputDataTypes() ==
+ DataTypeMismatch(
+ errorSubClass = "COLLATION_MISMATCH",
+ messageParameters = Map(
+ "collationNameLeft" -> "UTF8_BINARY_LCASE",
+ "collationNameRight" -> "UNICODE_CI"
+ )
+ )
+ )
+ }
+
+ test("FIND_IN_SET check result on non-explicit default collation") {
+ checkEvaluation(FindInSet(Literal("def"), Literal("abc,b,ab,c,def")), 5)
Review Comment:
Same as the above, I wanted to be sure that I didn't break something
already. I will remove it
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