diff --git a/be/src/exprs/decimalv2_operators.cpp b/be/src/exprs/decimalv2_operators.cpp
index 0a5732123b..ef83616566 100644
--- a/be/src/exprs/decimalv2_operators.cpp
+++ b/be/src/exprs/decimalv2_operators.cpp
@@ -147,6 +147,24 @@ DateTimeVal DecimalV2Operators::cast_to_datetime_val(
     return result;
 }
 
+DateTimeVal DecimalV2Operators::cast_to_date_val(
+        FunctionContext* context, const DecimalV2Val& val) {
+    if (val.is_null) {
+        return DateTimeVal::null();
+    }
+
+    // convert from DecimalV2Val to DecimalV2Value for caculation
+    const DecimalV2Value& dv = DecimalV2Value::from_decimal_val(val);
+    DateTimeValue dt;
+    if (!dt.from_date_int64(dv)) {
+        return DateTimeVal::null();
+    }
+    dt.cast_to_date();
+    DateTimeVal result;
+    dt.to_datetime_val(&result);
+    return result;
+}
+
 DecimalVal DecimalV2Operators::cast_to_decimal_val(
             FunctionContext* context, const DecimalV2Val& val) {
     if (val.is_null) return DecimalVal::null();
diff --git a/be/src/exprs/decimalv2_operators.h b/be/src/exprs/decimalv2_operators.h
index 8030985d46..06d8feed32 100644
--- a/be/src/exprs/decimalv2_operators.h
+++ b/be/src/exprs/decimalv2_operators.h
@@ -54,6 +54,7 @@ public:
     static DoubleVal cast_to_double_val(FunctionContext*, const DecimalV2Val&);
     static StringVal cast_to_string_val(FunctionContext*, const DecimalV2Val&);
     static DateTimeVal cast_to_datetime_val(FunctionContext*, const DecimalV2Val&);
+    static DateTimeVal cast_to_date_val(FunctionContext*, const DecimalV2Val&);
     static DecimalVal cast_to_decimal_val(FunctionContext*, const DecimalV2Val&);
 
     static DecimalV2Val add_decimalv2_val_decimalv2_val(