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ae65a8007b
Instead of using pgproto3.FieldDescription through pgconn and pgx. This lets the lowest level pgproto3 still be as memory efficient as possible. https://github.com/jackc/pgx/pull/1281
110 lines
2.1 KiB
Go
110 lines
2.1 KiB
Go
package pgxpool
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import (
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgconn"
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)
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type errRows struct {
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err error
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}
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func (errRows) Close() {}
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func (e errRows) Err() error { return e.err }
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func (errRows) CommandTag() pgconn.CommandTag { return pgconn.CommandTag{} }
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func (errRows) FieldDescriptions() []pgconn.FieldDescription { return nil }
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func (errRows) Next() bool { return false }
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func (e errRows) Scan(dest ...any) error { return e.err }
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func (e errRows) Values() ([]any, error) { return nil, e.err }
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func (e errRows) RawValues() [][]byte { return nil }
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func (e errRows) Conn() *pgx.Conn { return nil }
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type errRow struct {
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err error
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}
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func (e errRow) Scan(dest ...any) error { return e.err }
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type poolRows struct {
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r pgx.Rows
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c *Conn
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err error
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}
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func (rows *poolRows) Close() {
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rows.r.Close()
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if rows.c != nil {
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rows.c.Release()
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rows.c = nil
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}
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}
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func (rows *poolRows) Err() error {
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if rows.err != nil {
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return rows.err
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}
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return rows.r.Err()
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}
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func (rows *poolRows) CommandTag() pgconn.CommandTag {
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return rows.r.CommandTag()
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}
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func (rows *poolRows) FieldDescriptions() []pgconn.FieldDescription {
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return rows.r.FieldDescriptions()
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}
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func (rows *poolRows) Next() bool {
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if rows.err != nil {
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return false
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}
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n := rows.r.Next()
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if !n {
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rows.Close()
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}
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return n
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}
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func (rows *poolRows) Scan(dest ...any) error {
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err := rows.r.Scan(dest...)
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if err != nil {
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rows.Close()
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}
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return err
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}
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func (rows *poolRows) Values() ([]any, error) {
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values, err := rows.r.Values()
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if err != nil {
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rows.Close()
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}
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return values, err
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}
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func (rows *poolRows) RawValues() [][]byte {
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return rows.r.RawValues()
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}
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func (rows *poolRows) Conn() *pgx.Conn {
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return rows.r.Conn()
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}
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type poolRow struct {
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r pgx.Row
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c *Conn
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err error
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}
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func (row *poolRow) Scan(dest ...any) error {
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if row.err != nil {
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return row.err
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}
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err := row.r.Scan(dest...)
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if row.c != nil {
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row.c.Release()
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}
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return err
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}
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