handle nil values in type aware conversion

angelamayxie · angelamayxie · commit 5b36e6e6c9c2 · 2025-07-14T10:58:28.000-07:00
diff --git a/sql/types/conversion.go b/sql/types/conversion.go
@@ -737,6 +737,9 @@ func GeneralizeTypes(a, b sql.Type) sql.Type {
 }
 
 func TypeAwareConversion(ctx *sql.Context, val interface{}, originalType sql.Type, convertedType sql.Type) (interface{}, error) {
+	if val == nil {
+		return nil, nil
+	}
 	var converted interface{}
 	var err error
 	if IsTextOnly(convertedType) {

Original file line number	Diff line number	Diff line change
`@@ -737,6 +737,9 @@ func GeneralizeTypes(a, b sql.Type) sql.Type {`
`737`	`737`	`}`
`738`	`738`
`739`	`739`	`func TypeAwareConversion(ctx *sql.Context, val interface{}, originalType sql.Type, convertedType sql.Type) (interface{}, error) {`
	`740`	`+ if val == nil {`
	`741`	`+ return nil, nil`
	`742`	`+ }`
`740`	`743`	`var converted interface{}`
`741`	`744`	`var err error`
`742`	`745`	`if IsTextOnly(convertedType) {`