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Author: James Cor

sql/expression/convert.go

@@ -355,10 +355,6 @@ func convertValue(ctx *sql.Context, val interface{}, castTo string, originType s
 		return d, nil
 	case ConvertToDouble, ConvertToReal:
 		d, _, err := types.Float64.Convert(ctx, val)
-		if err != nil {
-			return nil, err
-		}
-		d, _, err := types.Float64.Convert(ctx, value)
 		if err != nil {
 			if sql.ErrTruncatedIncorrect.Is(err) {
 				ctx.Warn(1265, "%s", err.Error())

sql/types/number.go

@@ -990,6 +990,7 @@ func convertToInt64(t NumberTypeImpl_, v interface{}) (int64, sql.ConvertInRange
 		}
 		return i, sql.InRange, nil
 	case string:
+
 		if len(v) == 0 {
 			// StringType{}.Zero() returns empty string, but should represent "0" for number value
 			return 0, sql.InRange, nil