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Feat: added nil checks to sqlgraph constraint errors #3701

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Merged
a8m merged 2 commits into from
Aug 18, 2023
Merged

Feat: added nil checks to sqlgraph constraint errors #3701

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35fdd17
added nil checks to constraint errors
Aug 18, 2023
7e7e770
removed whitespace from nil error checks
lucvankessel Aug 18, 2023
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6 changes: 6 additions & 0 deletions dialect/sql/sqlgraph/errors.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,9 @@ func IsConstraintError(err error) bool {
// IsUniqueConstraintError reports if the error resulted from a DB uniqueness constraint violation.
// e.g. duplicate value in unique index.
func IsUniqueConstraintError(err error) bool {
if err == nil {
return false
}
for _, s := range []string{
"Error 1062", // MySQL
"violates unique constraint", // Postgres
Expand All @@ -33,6 +36,9 @@ func IsUniqueConstraintError(err error) bool {
// IsForeignKeyConstraintError reports if the error resulted from a database foreign-key constraint violation.
// e.g. parent row does not exist.
func IsForeignKeyConstraintError(err error) bool {
if err == nil {
return false
}
for _, s := range []string{
"Error 1451", // MySQL (Cannot delete or update a parent row).
"Error 1452", // MySQL (Cannot add or update a child row).
Expand Down