94 lines
3.6 KiB
Go
94 lines
3.6 KiB
Go
// Copyright 2022 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ddl
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import (
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"github.com/pingcap/tidb/pkg/meta"
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)
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const (
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// JobTable stores the information of DDL jobs.
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JobTable = "tidb_ddl_job"
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// ReorgTable stores the information of DDL reorganization.
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ReorgTable = "tidb_ddl_reorg"
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// HistoryTable stores the history DDL jobs.
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HistoryTable = "tidb_ddl_history"
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// JobTableID is the table ID of `tidb_ddl_job`.
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JobTableID = meta.MaxInt48 - 1
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// ReorgTableID is the table ID of `tidb_ddl_reorg`.
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ReorgTableID = meta.MaxInt48 - 2
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// HistoryTableID is the table ID of `tidb_ddl_history`.
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HistoryTableID = meta.MaxInt48 - 3
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// MDLTableID is the table ID of `tidb_mdl_info`.
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MDLTableID = meta.MaxInt48 - 4
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// BackgroundSubtaskTableID is the table ID of `tidb_background_subtask`.
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BackgroundSubtaskTableID = meta.MaxInt48 - 5
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// BackgroundSubtaskHistoryTableID is the table ID of `tidb_background_subtask_history`.
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BackgroundSubtaskHistoryTableID = meta.MaxInt48 - 6
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// JobTableSQL is the CREATE TABLE SQL of `tidb_ddl_job`.
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JobTableSQL = "create table " + JobTable + "(job_id bigint not null, reorg int, schema_ids text(65535), table_ids text(65535), job_meta longblob, type int, processing int, primary key(job_id))"
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// ReorgTableSQL is the CREATE TABLE SQL of `tidb_ddl_reorg`.
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ReorgTableSQL = "create table " + ReorgTable + "(job_id bigint not null, ele_id bigint, ele_type blob, start_key blob, end_key blob, physical_id bigint, reorg_meta longblob, unique key(job_id, ele_id, ele_type(20)))"
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// HistoryTableSQL is the CREATE TABLE SQL of `tidb_ddl_history`.
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HistoryTableSQL = "create table " + HistoryTable + "(job_id bigint not null, job_meta longblob, db_name char(64), table_name char(64), schema_ids text(65535), table_ids text(65535), create_time datetime, primary key(job_id))"
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// BackgroundSubtaskTableSQL is the CREATE TABLE SQL of `tidb_background_subtask`.
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BackgroundSubtaskTableSQL = `create table tidb_background_subtask (
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id bigint not null auto_increment primary key,
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step int,
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namespace varchar(256),
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task_key varchar(256),
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ddl_physical_tid bigint(20),
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type int,
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exec_id varchar(256),
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exec_expired timestamp,
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state varchar(64) not null,
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checkpoint longblob not null,
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concurrency int,
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create_time timestamp,
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start_time bigint,
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state_update_time bigint,
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end_time TIMESTAMP,
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meta longblob,
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error BLOB,
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summary json,
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key idx_task_key(task_key),
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key idx_exec_id(exec_id)
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)`
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// BackgroundSubtaskHistoryTableSQL is the CREATE TABLE SQL of `tidb_background_subtask_history`.
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BackgroundSubtaskHistoryTableSQL = `create table tidb_background_subtask_history (
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id bigint not null auto_increment primary key,
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step int,
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namespace varchar(256),
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task_key varchar(256),
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ddl_physical_tid bigint(20),
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type int,
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exec_id varchar(256),
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exec_expired timestamp,
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state varchar(64) not null,
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checkpoint longblob not null,
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concurrency int,
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create_time timestamp,
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start_time bigint,
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state_update_time bigint,
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end_time TIMESTAMP,
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meta longblob,
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error BLOB,
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summary json,
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key idx_task_key(task_key),
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key idx_state_update_time(state_update_time))`
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)
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