github.com/jackc/pgx/v5/pgtype.Float4Codec.DecodeDatabaseSQLValue (method, view implemented interface methods)

one use

	github.com/jackc/pgx/v5/pgtype (current package)
		float4.go#L299: func (c Float4Codec) DecodeDatabaseSQLValue(m *Map, oid uint32, format int16, src []byte) (driver.Value, error) {