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https://github.com/superseriousbusiness/gotosocial.git
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9b76afc851
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
83 lines
2.7 KiB
Go
83 lines
2.7 KiB
Go
package pgxpool
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import (
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"context"
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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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// Tx represents a database transaction acquired from a Pool.
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type Tx struct {
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t pgx.Tx
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c *Conn
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}
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// Begin starts a pseudo nested transaction implemented with a savepoint.
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func (tx *Tx) Begin(ctx context.Context) (pgx.Tx, error) {
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return tx.t.Begin(ctx)
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}
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// Commit commits the transaction and returns the associated connection back to the Pool. Commit will return ErrTxClosed
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// if the Tx is already closed, but is otherwise safe to call multiple times. If the commit fails with a rollback status
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// (e.g. the transaction was already in a broken state) then ErrTxCommitRollback will be returned.
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func (tx *Tx) Commit(ctx context.Context) error {
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err := tx.t.Commit(ctx)
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if tx.c != nil {
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tx.c.Release()
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tx.c = nil
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}
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return err
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}
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// Rollback rolls back the transaction and returns the associated connection back to the Pool. Rollback will return ErrTxClosed
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// if the Tx is already closed, but is otherwise safe to call multiple times. Hence, defer tx.Rollback() is safe even if
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// tx.Commit() will be called first in a non-error condition.
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func (tx *Tx) Rollback(ctx context.Context) error {
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err := tx.t.Rollback(ctx)
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if tx.c != nil {
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tx.c.Release()
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tx.c = nil
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}
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return err
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}
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func (tx *Tx) CopyFrom(ctx context.Context, tableName pgx.Identifier, columnNames []string, rowSrc pgx.CopyFromSource) (int64, error) {
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return tx.t.CopyFrom(ctx, tableName, columnNames, rowSrc)
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}
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func (tx *Tx) SendBatch(ctx context.Context, b *pgx.Batch) pgx.BatchResults {
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return tx.t.SendBatch(ctx, b)
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}
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func (tx *Tx) LargeObjects() pgx.LargeObjects {
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return tx.t.LargeObjects()
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}
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// Prepare creates a prepared statement with name and sql. If the name is empty,
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// an anonymous prepared statement will be used. sql can contain placeholders
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// for bound parameters. These placeholders are referenced positionally as $1, $2, etc.
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//
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// Prepare is idempotent; i.e. it is safe to call Prepare multiple times with the same
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// name and sql arguments. This allows a code path to Prepare and Query/Exec without
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// needing to first check whether the statement has already been prepared.
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func (tx *Tx) Prepare(ctx context.Context, name, sql string) (*pgconn.StatementDescription, error) {
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return tx.t.Prepare(ctx, name, sql)
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}
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func (tx *Tx) Exec(ctx context.Context, sql string, arguments ...any) (pgconn.CommandTag, error) {
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return tx.t.Exec(ctx, sql, arguments...)
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}
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func (tx *Tx) Query(ctx context.Context, sql string, args ...any) (pgx.Rows, error) {
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return tx.t.Query(ctx, sql, args...)
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}
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func (tx *Tx) QueryRow(ctx context.Context, sql string, args ...any) pgx.Row {
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return tx.t.QueryRow(ctx, sql, args...)
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}
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func (tx *Tx) Conn() *pgx.Conn {
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return tx.t.Conn()
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}
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