Files
2026-07-13 12:32:25 +08:00

92 lines
4.0 KiB
Go

// Copyright 2024 Dolthub, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pgcatalog
import (
"io"
"github.com/dolthub/go-mysql-server/sql"
"github.com/dolthub/doltgresql/server/tables"
pgtypes "github.com/dolthub/doltgresql/server/types"
)
// PgReplicationSlotsName is a constant to the pg_replication_slots name.
const PgReplicationSlotsName = "pg_replication_slots"
// InitPgReplicationSlots handles registration of the pg_replication_slots handler.
func InitPgReplicationSlots() {
tables.AddHandler(PgCatalogName, PgReplicationSlotsName, PgReplicationSlotsHandler{})
}
// PgReplicationSlotsHandler is the handler for the pg_replication_slots table.
type PgReplicationSlotsHandler struct{}
var _ tables.Handler = PgReplicationSlotsHandler{}
// Name implements the interface tables.Handler.
func (p PgReplicationSlotsHandler) Name() string {
return PgReplicationSlotsName
}
// RowIter implements the interface tables.Handler.
func (p PgReplicationSlotsHandler) RowIter(ctx *sql.Context, partition sql.Partition) (sql.RowIter, error) {
// TODO: Implement pg_replication_slots row iter
return emptyRowIter()
}
// PkSchema implements the interface tables.Handler.
func (p PgReplicationSlotsHandler) PkSchema() sql.PrimaryKeySchema {
return sql.PrimaryKeySchema{
Schema: pgReplicationSlotsSchema,
PkOrdinals: nil,
}
}
// pgReplicationSlotsSchema is the schema for pg_replication_slots.
var pgReplicationSlotsSchema = sql.Schema{
{Name: "slot_name", Type: pgtypes.Name, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "plugin", Type: pgtypes.Name, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "slot_type", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "datoid", Type: pgtypes.Oid, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "database", Type: pgtypes.Name, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "temporary", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "active", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "active_pid", Type: pgtypes.Int32, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "xmin", Type: pgtypes.Xid, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "catalog_xmin", Type: pgtypes.Xid, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "restart_lsn", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgReplicationSlotsName}, // TODO: pg_lsn type
{Name: "confirmed_flush_lsn", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgReplicationSlotsName}, // TODO: pg_lsn type
{Name: "wal_status", Type: pgtypes.Text, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "safe_wal_size", Type: pgtypes.Int64, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
{Name: "two_phase", Type: pgtypes.Bool, Default: nil, Nullable: true, Source: PgReplicationSlotsName},
}
// pgReplicationSlotsRowIter is the sql.RowIter for the pg_replication_slots table.
type pgReplicationSlotsRowIter struct {
}
var _ sql.RowIter = (*pgReplicationSlotsRowIter)(nil)
// Next implements the interface sql.RowIter.
func (iter *pgReplicationSlotsRowIter) Next(ctx *sql.Context) (sql.Row, error) {
return nil, io.EOF
}
// Close implements the interface sql.RowIter.
func (iter *pgReplicationSlotsRowIter) Close(ctx *sql.Context) error {
return nil
}