expression: support str_to_date push down to tiflash (#24847)

Signed-off-by: JaySon-Huang <jayson.hjs@gmail.com>
pingcap · May 23, 2021 · e6a5d2b · e6a5d2b
1 parent 4a1299d
commit e6a5d2b
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/expression/expression.go b/expression/expression.go
@@ -1040,6 +1040,13 @@ func scalarExprSupportedByFlash(function *ScalarFunction) bool {
 		case tipb.ScalarFuncSig_ExtractDatetime:
 			return true
 		}
+	case ast.StrToDate:
+		switch function.Function.PbCode() {
+		case tipb.ScalarFuncSig_StrToDateDate, tipb.ScalarFuncSig_StrToDateDatetime:
+			return true
+		default:
+			return false
+		}
 	case ast.Replace:
 		switch function.Function.PbCode() {
 		case tipb.ScalarFuncSig_Replace: