chunweilei commented on a change in pull request #1331: [CALCITE-2496] Return 0
in case of extract(milli/micro/nanosecond from Date)
URL: https://github.com/apache/calcite/pull/1331#discussion_r308039531
##########
File path:
core/src/test/java/org/apache/calcite/sql/test/SqlOperatorBaseTest.java
##########
@@ -6928,6 +6938,21 @@ private void checkNullOperand(SqlTester tester, String
op) {
"0",
"BIGINT NOT NULL");
+ tester.checkScalar(
+ "extract(millisecond from date '2008-2-23')",
+ "0",
+ "BIGINT NOT NULL");
+
+ tester.checkScalar(
+ "extract(microsecond from date '2008-2-23')",
+ "0",
+ "BIGINT NOT NULL");
+
+ tester.checkScalar(
+ "extract(nanosecond from date '2008-2-23')",
+ "0",
+ "BIGINT NOT NULL");
+
Review comment:
There is already a test case for extracting millisecond/microsecond from a
date before epoch. See #testExtractWithDatesBeforeUnixEpoch:
https://github.com/apache/calcite/pull/1331/files#diff-25687b6ff3e28fb79b62ba5050883d45R7290
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