mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-20 03:23:26 +02:00
* Dropped unused codekit config * Integrated dynamic and static bindata for public * Ignore public bindata * Add a general generate make task * Integrated flexible public assets into web command * Updated vendoring, added all missiong govendor deps * Made the linter happy with the bindata and dynamic code * Moved public bindata definition to modules directory * Ignoring the new bindata path now * Updated to the new public modules import path * Updated public bindata command and drop the new prefix
195 lines
5.0 KiB
Go
195 lines
5.0 KiB
Go
// Copyright 2015 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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// 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/juju/errors"
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"github.com/pingcap/tidb/infoschema"
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"github.com/pingcap/tidb/meta"
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"github.com/pingcap/tidb/meta/autoid"
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"github.com/pingcap/tidb/model"
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"github.com/pingcap/tidb/table"
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"github.com/pingcap/tidb/terror"
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)
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func (d *ddl) onCreateTable(t *meta.Meta, job *model.Job) error {
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schemaID := job.SchemaID
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tbInfo := &model.TableInfo{}
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if err := job.DecodeArgs(tbInfo); err != nil {
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// arg error, cancel this job.
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job.State = model.JobCancelled
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return errors.Trace(err)
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}
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tbInfo.State = model.StateNone
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tables, err := t.ListTables(schemaID)
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if terror.ErrorEqual(err, meta.ErrDBNotExists) {
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job.State = model.JobCancelled
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return errors.Trace(infoschema.DatabaseNotExists)
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} else if err != nil {
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return errors.Trace(err)
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}
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for _, tbl := range tables {
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if tbl.Name.L == tbInfo.Name.L {
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if tbl.ID != tbInfo.ID {
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// table exists, can't create, we should cancel this job now.
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job.State = model.JobCancelled
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return errors.Trace(infoschema.TableExists)
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}
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tbInfo = tbl
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}
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}
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_, err = t.GenSchemaVersion()
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if err != nil {
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return errors.Trace(err)
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}
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switch tbInfo.State {
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case model.StateNone:
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// none -> public
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job.SchemaState = model.StatePublic
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tbInfo.State = model.StatePublic
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err = t.CreateTable(schemaID, tbInfo)
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if err != nil {
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return errors.Trace(err)
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}
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// finish this job
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job.State = model.JobDone
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return nil
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default:
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return errors.Errorf("invalid table state %v", tbInfo.State)
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}
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}
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func (d *ddl) delReorgTable(t *meta.Meta, job *model.Job) error {
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tblInfo := &model.TableInfo{}
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err := job.DecodeArgs(tblInfo)
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if err != nil {
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// arg error, cancel this job.
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job.State = model.JobCancelled
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return errors.Trace(err)
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}
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tblInfo.State = model.StateDeleteReorganization
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tbl, err := d.getTable(job.SchemaID, tblInfo)
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if err != nil {
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return errors.Trace(err)
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}
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err = d.dropTableData(tbl)
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if err != nil {
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return errors.Trace(err)
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}
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// finish this background job
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job.SchemaState = model.StateNone
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job.State = model.JobDone
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return nil
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}
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func (d *ddl) onDropTable(t *meta.Meta, job *model.Job) error {
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schemaID := job.SchemaID
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tableID := job.TableID
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tblInfo, err := t.GetTable(schemaID, tableID)
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if terror.ErrorEqual(err, meta.ErrDBNotExists) {
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job.State = model.JobCancelled
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return errors.Trace(infoschema.DatabaseNotExists)
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} else if err != nil {
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return errors.Trace(err)
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}
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if tblInfo == nil {
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job.State = model.JobCancelled
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return errors.Trace(infoschema.TableNotExists)
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}
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_, err = t.GenSchemaVersion()
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if err != nil {
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return errors.Trace(err)
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}
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switch tblInfo.State {
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case model.StatePublic:
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// public -> write only
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job.SchemaState = model.StateWriteOnly
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tblInfo.State = model.StateWriteOnly
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err = t.UpdateTable(schemaID, tblInfo)
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case model.StateWriteOnly:
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// write only -> delete only
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job.SchemaState = model.StateDeleteOnly
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tblInfo.State = model.StateDeleteOnly
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err = t.UpdateTable(schemaID, tblInfo)
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case model.StateDeleteOnly:
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tblInfo.State = model.StateNone
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err = t.UpdateTable(schemaID, tblInfo)
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if err = t.DropTable(job.SchemaID, job.TableID); err != nil {
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break
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}
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// finish this job
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job.Args = []interface{}{tblInfo}
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job.State = model.JobDone
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job.SchemaState = model.StateNone
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default:
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err = errors.Errorf("invalid table state %v", tblInfo.State)
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}
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return errors.Trace(err)
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}
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func (d *ddl) getTable(schemaID int64, tblInfo *model.TableInfo) (table.Table, error) {
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alloc := autoid.NewAllocator(d.store, schemaID)
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tbl, err := table.TableFromMeta(alloc, tblInfo)
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return tbl, errors.Trace(err)
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}
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func (d *ddl) getTableInfo(t *meta.Meta, job *model.Job) (*model.TableInfo, error) {
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schemaID := job.SchemaID
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tableID := job.TableID
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tblInfo, err := t.GetTable(schemaID, tableID)
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if terror.ErrorEqual(err, meta.ErrDBNotExists) {
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job.State = model.JobCancelled
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return nil, errors.Trace(infoschema.DatabaseNotExists)
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} else if err != nil {
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return nil, errors.Trace(err)
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} else if tblInfo == nil {
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job.State = model.JobCancelled
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return nil, errors.Trace(infoschema.TableNotExists)
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}
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if tblInfo.State != model.StatePublic {
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job.State = model.JobCancelled
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return nil, errors.Errorf("table %s is not in public, but %s", tblInfo.Name.L, tblInfo.State)
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}
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return tblInfo, nil
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}
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func (d *ddl) dropTableData(t table.Table) error {
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// delete table data
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err := d.delKeysWithPrefix(t.RecordPrefix())
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if err != nil {
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return errors.Trace(err)
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}
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// delete table index
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err = d.delKeysWithPrefix(t.IndexPrefix())
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return errors.Trace(err)
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}
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