NGA-TRAN commented on code in PR #5982:
URL: https://github.com/apache/arrow-datafusion/pull/5982#discussion_r1167212534
##########
datafusion/core/tests/sqllogictests/test_files/timestamps.slt:
##########
@@ -500,6 +500,267 @@ FROM (
(TIMESTAMP '2021-06-10 17:19:10Z', TIMESTAMP '2001-01-01T00:00:00Z', 0.3)
) as t (time, origin, val)
+
+# month interval with INTERVAL keyword in date_bin with default start time
+query P
+select date_bin(INTERVAL '1 month', column1)
+from (values
+ (timestamp '2022-01-01 00:00:00'),
+ (timestamp '2022-01-01 01:00:00'),
+ (timestamp '2022-01-02 00:00:00'),
+ (timestamp '2022-02-02 00:00:00'),
+ (timestamp '2022-02-15 00:00:00'),
+ (timestamp '2022-03-31 00:00:00')
+) as sq
+----
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-02-01T00:00:00
+2022-02-01T00:00:00
+2022-03-01T00:00:00
+
+# month interval with specified start time
+query P
+select date_bin(INTERVAL '1 month', column1, '1970-01-01T00:00:00Z')
+from (values
+ (timestamp '2022-01-01 00:00:00'),
+ (timestamp '2022-01-01 01:00:00'),
+ (timestamp '2022-01-02 00:00:00'),
+ (timestamp '2022-02-02 00:00:00'),
+ (timestamp '2022-02-15 00:00:00'),
+ (timestamp '2022-03-31 00:00:00')
+) as sq
+----
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-02-01T00:00:00
+2022-02-01T00:00:00
+2022-03-01T00:00:00
+
+# year interval in date_bin with default start time
+query P
+select date_bin(INTERVAL '1 year', column1)
+from (values
+ (timestamp '2022-01-01 00:00:00'),
+ (timestamp '2022-01-01 01:00:00'),
+ (timestamp '2022-01-02 00:00:00'),
+ (timestamp '2022-02-02 00:00:00'),
+ (timestamp '2022-02-15 00:00:00'),
+ (timestamp '2022-03-31 00:00:00')
+) as sq
+----
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+
+query P
+SELECT DATE_BIN('1 month', '2022-01-01 00:00:00Z', '1970-01-01T00:00:00Z');
+----
+2022-01-01T00:00:00
+
+
+# Tests without INTERVAL keyword
+# 1-month interval in date_bin with default start time
+query P
+select date_bin('1 month', column1)
+from (values
+ (timestamp '2022-01-01 00:00:00'),
+ (timestamp '2022-01-01 01:00:00'),
+ (timestamp '2022-01-02 00:00:00'),
+ (timestamp '2022-02-02 00:00:00'),
+ (timestamp '2022-02-15 00:00:00'),
+ (timestamp '2022-03-31 00:00:00')
+) as sq
+----
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-02-01T00:00:00
+2022-02-01T00:00:00
+2022-03-01T00:00:00
+
+# 2-month interval in date_bin with default start time
+query P
+select date_bin('2 month', column1)
+from (values
+ (timestamp '2022-01-01 00:00:00'),
+ (timestamp '2022-01-01 01:00:00'),
+ (timestamp '2022-01-02 00:00:00'),
+ (timestamp '2022-02-02 00:00:00'),
+ (timestamp '2022-02-15 00:00:00'),
+ (timestamp '2022-03-31 00:00:00')
+) as sq
+----
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-01-01T00:00:00
+2022-03-01T00:00:00
+
+
+# month interval with specified start time
+query P
+select date_bin('1 month', column1, '1970-01-01T00:00:00Z')
Review Comment:
Done
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