better comment

James Cor · James Cor · commit 828e8dc1abda · 2025-03-24T12:08:43.000-07:00
diff --git a/sql/expression/function/date.go b/sql/expression/function/date.go
@@ -477,6 +477,7 @@ func NewUnixTimestamp(args ...sql.Expression) (sql.Expression, error) {
 		return &UnixTimestamp{Date: arg}, nil
 	}
 	// special case: text types with fractional seconds preserve scale
+	// e.g. '2000-01-02 12:34:56.000' -> scale 3
 	if types.IsText(arg.Type()) {
 		dateStr := date.(string)
 		idx := strings.Index(dateStr, ".")

Original file line number	Diff line number	Diff line change
`@@ -477,6 +477,7 @@ func NewUnixTimestamp(args ...sql.Expression) (sql.Expression, error) {`
`477`	`477`	`return &UnixTimestamp{Date: arg}, nil`
`478`	`478`	`}`
`479`	`479`	`// special case: text types with fractional seconds preserve scale`
	`480`	`+ // e.g. '2000-01-02 12:34:56.000' -> scale 3`
`480`	`481`	`if types.IsText(arg.Type()) {`
`481`	`482`	`dateStr := date.(string)`
`482`	`483`	`idx := strings.Index(dateStr, ".")`