mirror of https://github.com/jackc/pgx.git
92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
package pgxpool
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import (
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"context"
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"time"
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"github.com/jackc/pgconn"
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"github.com/jackc/pgx/v4"
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"github.com/jackc/puddle"
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)
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// Conn is an acquired *pgx.Conn from a Pool.
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type Conn struct {
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res *puddle.Resource
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p *Pool
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}
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// Release returns c to the pool it was acquired from. Once Release has been called, other methods must not be called.
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// However, it is safe to call Release multiple times. Subsequent calls after the first will be ignored.
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func (c *Conn) Release() {
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if c.res == nil {
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return
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}
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conn := c.Conn()
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res := c.res
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c.res = nil
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now := time.Now()
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if !conn.IsAlive() || conn.PgConn().TxStatus != 'I' || (now.Sub(res.CreationTime()) > c.p.maxConnLifetime) {
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res.Destroy()
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return
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}
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if c.p.afterRelease == nil {
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res.Release()
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return
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}
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go func() {
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if c.p.afterRelease(conn) {
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res.Release()
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} else {
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res.Destroy()
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}
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}()
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}
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func (c *Conn) Exec(ctx context.Context, sql string, arguments ...interface{}) (pgconn.CommandTag, error) {
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return c.Conn().Exec(ctx, sql, arguments...)
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}
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func (c *Conn) Query(ctx context.Context, sql string, args ...interface{}) (pgx.Rows, error) {
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return c.Conn().Query(ctx, sql, args...)
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}
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func (c *Conn) QueryRow(ctx context.Context, sql string, args ...interface{}) pgx.Row {
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return c.Conn().QueryRow(ctx, sql, args...)
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}
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func (c *Conn) SendBatch(ctx context.Context, b *pgx.Batch) pgx.BatchResults {
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return c.Conn().SendBatch(ctx, b)
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}
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func (c *Conn) CopyFrom(ctx context.Context, tableName pgx.Identifier, columnNames []string, rowSrc pgx.CopyFromSource) (int64, error) {
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return c.Conn().CopyFrom(ctx, tableName, columnNames, rowSrc)
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}
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func (c *Conn) Begin(ctx context.Context) (pgx.Tx, error) {
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return c.Conn().Begin(ctx)
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}
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func (c *Conn) BeginEx(ctx context.Context, txOptions pgx.TxOptions) (pgx.Tx, error) {
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return c.Conn().BeginEx(ctx, txOptions)
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}
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func (c *Conn) Conn() *pgx.Conn {
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return c.connResource().conn
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}
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func (c *Conn) connResource() *connResource {
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return c.res.Value().(*connResource)
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}
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func (c *Conn) getPoolRow(r pgx.Row) *poolRow {
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return c.connResource().getPoolRow(c, r)
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}
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func (c *Conn) getPoolRows(r pgx.Rows) *poolRows {
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return c.connResource().getPoolRows(c, r)
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}
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