61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package database
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import (
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"fmt"
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"github.com/jackc/pgio"
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"github.com/jackc/pgtype"
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)
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type OptionUnits struct {
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OptionID int
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Units int
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}
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func (src OptionUnits) EncodeBinary(ci *pgtype.ConnInfo, dst []byte) ([]byte, error) {
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typeName := OptionUnitsTypeName
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dt, ok := ci.DataTypeForName(typeName)
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if !ok {
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return nil, fmt.Errorf("unable to find oid for type name %v", typeName)
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}
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values := []interface{}{
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src.OptionID,
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src.Units,
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}
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ct := pgtype.NewValue(dt.Value).(*pgtype.CompositeType)
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if err := ct.Set(values); err != nil {
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return nil, err
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}
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return ct.EncodeBinary(ci, dst)
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}
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type OptionUnitsArray []*OptionUnits
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func (src OptionUnitsArray) EncodeBinary(ci *pgtype.ConnInfo, buf []byte) ([]byte, error) {
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typeName := OptionUnitsTypeName
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dt, ok := ci.DataTypeForName(typeName)
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if !ok {
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return nil, fmt.Errorf("unable to find oid for type name %v", typeName)
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}
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arrayHeader := pgtype.ArrayHeader{
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ElementOID: int32(dt.OID),
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Dimensions: []pgtype.ArrayDimension{{Length: int32(len(src)), LowerBound: 1}},
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}
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buf = arrayHeader.EncodeBinary(ci, buf)
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for _, optionUnits := range src {
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sp := len(buf)
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buf = pgio.AppendInt32(buf, -1)
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elemBuf, err := optionUnits.EncodeBinary(ci, buf)
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if err != nil {
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return nil, err
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}
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if elemBuf != nil {
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buf = elemBuf
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pgio.SetInt32(buf[sp:], int32(len(buf[sp:])-4))
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}
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}
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return buf, nil
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}
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