fix typo and the string representation of the time.Time value (#7831)

pkg/s3select/sql/value.go

@@ -97,7 +97,7 @@ func (v *Value) Repr() string {
 	case typeBool, typeInt, typeFloat:
 		return fmt.Sprintf("%v:%s", v.value, v.GetTypeString())
 	case typeTimestamp:
-		return fmt.Sprintf("%s:TIMESTAMP", v.value.(*time.Time))
+		return fmt.Sprintf("%s:TIMESTAMP", v.value.(time.Time))
 	case typeString:
 		return fmt.Sprintf("\"%s\":%s", v.value.(string), v.GetTypeString())
 	case typeBytes:
@@ -335,7 +335,7 @@ func (v *Value) compareOp(op string, a *Value) (res bool, err error) {
 	}
 
 	boolV, ok1b := v.ToBool()
-	boolA, ok2b := v.ToBool()
+	boolA, ok2b := a.ToBool()
 	if ok1b && ok2b {
 		return boolCompare(op, boolV, boolA)
 	}