Revert "Support string as an input for unix_timestamp for PPL execution without Calcite"

yuancu · yuancu · commit 461b566b39d7 · 2025-06-03T14:09:52.000+08:00
This reverts commit c0f2e7b. Signed-off-by: Yuanchun Shen <yuanchu@amazon.com>
diff --git a/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunctions.java b/core/src/main/java/org/opensearch/sql/expression/datetime/DateTimeFunctions.java
@@ -983,8 +983,7 @@ private FunctionResolver unix_timestamp() {
             LONG),
         impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DATE),
         impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, TIMESTAMP),
-        impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DOUBLE),
-        impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, STRING));
+        impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DOUBLE));
   }
 
   /** UTC_DATE(). return the current UTC Date in format yyyy-MM-dd */

Original file line number	Diff line number	Diff line change
`@@ -983,8 +983,7 @@ private FunctionResolver unix_timestamp() {`
`983`	`983`	`LONG),`
`984`	`984`	`impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DATE),`
`985`	`985`	`impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, TIMESTAMP),`
`986`		`- impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DOUBLE),`
`987`		`- impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, STRING));`
	`986`	`+ impl(nullMissingHandling(DateTimeFunctions::unixTimeStampOf), DOUBLE, DOUBLE));`
`988`	`987`	`}`
`989`	`988`
`990`	`989`	`/** UTC_DATE(). return the current UTC Date in format yyyy-MM-dd */`