mirror of https://github.com/jackc/pgx.git
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package pgtype
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import (
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"io"
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)
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// Xid is PostgreSQL's Transaction ID type.
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//
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// In later versions of PostgreSQL, it is the type used for the backend_xid
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// and backend_xmin columns of the pg_stat_activity system view.
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//
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// Also, when one does
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//
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// select xmin, xmax, * from some_table;
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//
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// it is the data type of the xmin and xmax hidden system columns.
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//
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// It is currently implemented as an unsigned four byte integer.
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// Its definition can be found in src/include/postgres_ext.h as TransactionId
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// in the PostgreSQL sources.
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type Xid pguint32
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// Set converts from src to dst. Note that as Xid is not a general
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// number type Set does not do automatic type conversion as other number
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// types do.
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func (dst *Xid) Set(src interface{}) error {
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return (*pguint32)(dst).Set(src)
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}
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func (dst *Xid) Get() interface{} {
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return (*pguint32)(dst).Get()
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}
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// AssignTo assigns from src to dst. Note that as Xid is not a general number
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// type AssignTo does not do automatic type conversion as other number types do.
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func (src *Xid) AssignTo(dst interface{}) error {
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return (*pguint32)(src).AssignTo(dst)
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}
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func (dst *Xid) DecodeText(ci *ConnInfo, src []byte) error {
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return (*pguint32)(dst).DecodeText(ci, src)
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}
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func (dst *Xid) DecodeBinary(ci *ConnInfo, src []byte) error {
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return (*pguint32)(dst).DecodeBinary(ci, src)
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}
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func (src Xid) EncodeText(ci *ConnInfo, w io.Writer) (bool, error) {
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return (pguint32)(src).EncodeText(ci, w)
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}
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func (src Xid) EncodeBinary(ci *ConnInfo, w io.Writer) (bool, error) {
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return (pguint32)(src).EncodeBinary(ci, w)
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}
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