tests: Do not allow forced type asserts (#20905)

internal/s3select/sql/funceval.go

@@ -107,7 +107,6 @@ func (e *FuncExpr) evalSQLFnNode(r Record, tableAlias string) (res *Value, err e
 
 	case sqlFnDateDiff:
 		return handleDateDiff(r, e.DateDiff, tableAlias)
-
 	}
 
 	// For all simple argument functions, we evaluate the arguments here

internal/s3select/sql/stringfuncs.go

@@ -107,7 +107,6 @@ func evalSQLLike(text, pattern string, escape rune) (match bool, err error) {
 		default:
 			s = append(s, r)
 		}
-
 	}
 	if hasLeadingPercent {
 		return strings.HasSuffix(text, string(s)), nil

internal/s3select/sql/timestampfuncs.go

@@ -175,7 +175,6 @@ func dateDiff(timePart string, ts1, ts2 time.Time) (*Value, error) {
 		seconds := duration / time.Second
 		return FromInt(int64(seconds)), nil
 	default:
-
 	}
 	return nil, errNotImplemented
 }

internal/s3select/sql/value.go

@@ -663,8 +663,13 @@ func inferTypeForArithOp(a *Value) error {
 		a.setFloat(f)
 		return nil
 	}
-
-	err := fmt.Errorf("Could not convert %q to a number", string(a.value.([]byte)))
+	var s string
+	if v, ok := a.value.([]byte); ok {
+		s = string(v)
+	} else {
+		s = fmt.Sprint(a.value)
+	}
+	err := fmt.Errorf("Could not convert %q to a number", s)
 	return errInvalidDataType(err)
 }