tanclary commented on code in PR #3631:
URL: https://github.com/apache/calcite/pull/3631#discussion_r1457868807
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core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
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@@ -4461,6 +4461,51 @@ public static int time(long timestampMillis, String
timeZone) {
/ (1000L * 1000L)); // milli > micro > nano
}
+ /** SQL {@code TO_TIMESTAMP_LTZ(date)} function
+ * for a date values. */
+ public static long toTimestampLtzDate(int days) {
+ return timestamp(days);
+ }
+
+ /** SQL {@code TO_TIMESTAMP_LTZ(timestampSeconds)}
+ * function for long values. */
+ public static long toTimestampLtz(long timestampSeconds) {
+ return toTimestampLtz(timestampSeconds, 0);
+ }
+
+ /** SQL {@code TO_TIMESTAMP_LTZ(timestampSeconds)} function
+ * for BigDecimal values. */
+ public static long toTimestampLtz(BigDecimal timestampSeconds) {
+ return toTimestampLtz(timestampSeconds.longValue(), 0);
+ }
+
+ /** SQL {@code TO_TIMESTAMP_LTZ(timestampSeconds, scale)}
+ * function for BigDecimal values with a specified scale. */
+ public static long toTimestampLtz(BigDecimal timestampSeconds, int scale) {
+ return toTimestampLtz(timestampSeconds.longValue(), scale);
+ }
+
+ /** SQL {@code TO_TIMESTAMP_LTZ(timestampSeconds, scale)}
+ * function for long values with a specified scale. */
Review Comment:
Added a longer comment that explains the `scale` parameter better. Added an
example too. Let me know what you think.
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