postgres

package

v0.4.0 Latest Latest Go to latest Published: Jun 28, 2020 License: MIT Imports: 3 Imported by: 0

Details

Package postgres contains an SQL projection driver for PostgreSQL.

This section is empty.

This section is empty.

func CreateSchema(ctx context.Context, db *sql.DB) error

CreateSchema creates the schema elements required by the PostgreSQL driver.

func DropSchema(ctx context.Context, db *sql.DB) error

DropSchema drops the schema elements required by the PostgreSQL driver.

func IsCompatibleWith(db *sql.DB) bool

IsCompatibleWith returns true if the driver implemented in this package is compatible with the given database pool.

type Driver struct{}

Driver is an implementation of sql.Driver for PostgreSQL.

func (*Driver) DeleteResource(
	ctx context.Context,
	db *sql.DB,
	h string,
	r []byte,
) error

DeleteResource removes the version for a specific handler and resource.

func (*Driver) QueryVersion(
	ctx context.Context,
	db *sql.DB,
	h string,
	r []byte,
) ([]byte, error)

QueryVersion returns the version for a specific handler and resource.

func (*Driver) StoreVersion(
	ctx context.Context,
	db *sql.DB,
	h string,
	r, v []byte,
) error

StoreVersion unconditionally updates the version for a specific handler and resource.

v must be non-empty, to set an empty version, use DeleteResource().

func (*Driver) UpdateVersion(
	ctx context.Context,
	tx *sql.Tx,
	h string,
	r, c, n []byte,
) (bool, error)

UpdateVersion updates the version for a specific handler and resource.