JingGe commented on code in PR #24156:
URL: https://github.com/apache/flink/pull/24156#discussion_r1472765262
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flink-table/flink-table-planner/src/test/scala/org/apache/flink/table/planner/expressions/ScalarFunctionsTest.scala:
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@@ -604,6 +604,20 @@ class ScalarFunctionsTest extends ScalarTypesTestBase {
"foothebar")
}
+ @Test
+ def testJsonQuote(): Unit = {
+ testSqlApi("JSON_QUOTE('null')", "\"null\"")
+ testSqlApi("JSON_QUOTE('\"null\"')", "\"\\\"null\\\"\"")
+ testSqlApi("JSON_QUOTE('[1, 2, 3]')", "\"[1, 2, 3]\"")
Review Comment:
NIT: the reason is that
https://dev.mysql.com/doc/refman/8.0/en/json-modification-functions.html#json-unquote-character-escape-sequences
is referenced in CALCITE-3130 WDYT?
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