gopkg/pgx
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Try wrapping scan target before sql.Scanner

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This allows wrappers to directly avoid the slow sql.Scanner interface.
This commit is contained in:
Jack Christensen
2022-01-22 18:40:46 -06:00
parent 5ed95dcd1c
commit 0ddf9e3b4b
1 changed files with 10 additions and 8 deletions
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pgtype/pgtype.go
+10 -8
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@@ -906,14 +906,6 @@ func (ci *ConnInfo) PlanScan(oid uint32, formatCode int16, target interface{}) S
if plan := dt.Codec.PlanScan(ci, oid, formatCode, target, false); plan != nil { if plan := dt.Codec.PlanScan(ci, oid, formatCode, target, false); plan != nil {
return plan return plan
} }
if _, ok := target.(*interface{}); ok {
return &pointerEmptyInterfaceScanPlan{codec: dt.Codec, ci: ci, oid: oid, formatCode: formatCode}
}
if _, ok := target.(sql.Scanner); ok {
return &scanPlanCodecSQLScanner{c: dt.Codec, ci: ci, oid: oid, formatCode: formatCode}
}
} }
for _, f := range ci.TryWrapScanPlanFuncs { for _, f := range ci.TryWrapScanPlanFuncs {
@@ -927,6 +919,16 @@ func (ci *ConnInfo) PlanScan(oid uint32, formatCode int16, target interface{}) S
} }
} }
if dt != nil {
if _, ok := target.(*interface{}); ok {
return &pointerEmptyInterfaceScanPlan{codec: dt.Codec, ci: ci, oid: oid, formatCode: formatCode}
}
if _, ok := target.(sql.Scanner); ok {
return &scanPlanCodecSQLScanner{c: dt.Codec, ci: ci, oid: oid, formatCode: formatCode}
}
}
if _, ok := target.(sql.Scanner); ok { if _, ok := target.(sql.Scanner); ok {
return &scanPlanSQLScanner{formatCode: formatCode} return &scanPlanSQLScanner{formatCode: formatCode}
} }