XuQianJin-Stars commented on a change in pull request #1865: [CALCITE-3648]
MySQL UNCOMPRESS function support
URL: https://github.com/apache/calcite/pull/1865#discussion_r399242294
##########
File path:
core/src/test/java/org/apache/calcite/sql/test/SqlOperatorBaseTest.java
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@@ -5192,6 +5192,25 @@ private void checkNullOperand(SqlTester tester, String
op) {
"07000000789c4bad48cc2dc84905000bc002ed", "VARBINARY NOT NULL");
}
+ @Test public void testUncompress() {
+ SqlTester sqlTester = tester(SqlLibrary.MYSQL);
+ sqlTester.checkNull("UNCOMPRESS(NULL)");
+ sqlTester.checkString("UNCOMPRESS(x'')", "", "VARCHAR");
+
+ sqlTester.checkNull("UNCOMPRESS(x'1233')");
+
+ sqlTester.checkString("UNCOMPRESS(COMPRESS('test'))",
+ "test", "VARCHAR");
+
+ sqlTester.checkString("UNCOMPRESS(x'10000000789c4b4c44050033980611')",
+ "aaaaaaaaaaaaaaaa", "VARCHAR");
+
+ sqlTester.checkString("UNCOMPRESS(x'06000000789c2b4ecc2dc849050008de0283'
)",
+ "sample", "VARCHAR");
+
sqlTester.checkString("UNCOMPRESS(x'07000000789c4bad48cc2dc84905000bc002ed')",
+ "example", "VARCHAR");
+ }
Review comment:
> Done :)
My fault, I listed an example. You need to increase the corresponding error
message capture.
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