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Support sql.Scanner on renamed base type

Browse Source 
https://github.com/jackc/pgtype/issues/197
This commit is contained in:
Jack Christensen
2022-12-23 14:15:45 -06:00
parent c514b2e0c3
commit d4fcd4a897
2 changed files with 27 additions and 4 deletions
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pgtype/pgtype.go
+10 -4
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@@ -1227,6 +1227,16 @@ func (m *Map) planScan(oid uint32, formatCode int16, target any) ScanPlan {
}
}
// This needs to happen before trying m.TryWrapScanPlanFuncs. Otherwise, a sql.Scanner would not get called if it was
// defined on a type that could be unwrapped such as `type myString string`.
//
// https://github.com/jackc/pgtype/issues/197
if dt == nil {
if _, ok := target.(sql.Scanner); ok {
return &scanPlanSQLScanner{formatCode: formatCode}
}
}
for _, f := range m.TryWrapScanPlanFuncs {
if wrapperPlan, nextDst, ok := f(target); ok {
if nextPlan := m.planScan(oid, formatCode, nextDst); nextPlan != nil {
@@ -1248,10 +1258,6 @@ func (m *Map) planScan(oid uint32, formatCode int16, target any) ScanPlan {
}
}
if _, ok := target.(sql.Scanner); ok {
return &scanPlanSQLScanner{formatCode: formatCode}
}
return &scanPlanFail{m: m, oid: oid, formatCode: formatCode}
}