mirror of
https://github.com/go-gitea/gitea.git
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* 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
164 lines
4.0 KiB
Go
164 lines
4.0 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 model
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import (
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"encoding/json"
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"fmt"
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"github.com/juju/errors"
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)
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// ActionType is the type for DDL action.
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type ActionType byte
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// List DDL actions.
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const (
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ActionNone ActionType = iota
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ActionCreateSchema
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ActionDropSchema
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ActionCreateTable
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ActionDropTable
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ActionAddColumn
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ActionDropColumn
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ActionAddIndex
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ActionDropIndex
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)
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func (action ActionType) String() string {
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switch action {
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case ActionCreateSchema:
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return "create schema"
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case ActionDropSchema:
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return "drop schema"
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case ActionCreateTable:
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return "create table"
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case ActionDropTable:
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return "drop table"
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case ActionAddColumn:
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return "add column"
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case ActionDropColumn:
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return "drop column"
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case ActionAddIndex:
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return "add index"
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case ActionDropIndex:
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return "drop index"
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default:
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return "none"
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}
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}
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// Job is for a DDL operation.
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type Job struct {
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ID int64 `json:"id"`
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Type ActionType `json:"type"`
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SchemaID int64 `json:"schema_id"`
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TableID int64 `json:"table_id"`
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State JobState `json:"state"`
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Error string `json:"err"`
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// every time we meet an error when running job, we will increase it
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ErrorCount int64 `json:"err_count"`
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Args []interface{} `json:"-"`
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// we must use json raw message for delay parsing special args.
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RawArgs json.RawMessage `json:"raw_args"`
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SchemaState SchemaState `json:"schema_state"`
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// snapshot version for this job.
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SnapshotVer uint64 `json:"snapshot_ver"`
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// unix nano seconds
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// TODO: use timestamp allocated by TSO
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LastUpdateTS int64 `json:"last_update_ts"`
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}
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// Encode encodes job with json format.
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func (job *Job) Encode() ([]byte, error) {
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var err error
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job.RawArgs, err = json.Marshal(job.Args)
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if err != nil {
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return nil, errors.Trace(err)
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}
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var b []byte
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b, err = json.Marshal(job)
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return b, errors.Trace(err)
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}
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// Decode decodes job from the json buffer, we must use DecodeArgs later to
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// decode special args for this job.
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func (job *Job) Decode(b []byte) error {
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err := json.Unmarshal(b, job)
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return errors.Trace(err)
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}
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// DecodeArgs decodes job args.
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func (job *Job) DecodeArgs(args ...interface{}) error {
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job.Args = args
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err := json.Unmarshal(job.RawArgs, &job.Args)
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return errors.Trace(err)
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}
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// String implements fmt.Stringer interface.
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func (job *Job) String() string {
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return fmt.Sprintf("ID:%d, Type:%s, State:%s, SchemaState:%s, SchemaID:%d, TableID:%d, Args:%s",
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job.ID, job.Type, job.State, job.SchemaState, job.SchemaID, job.TableID, job.RawArgs)
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}
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// IsFinished returns whether job is finished or not.
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// If the job state is Done or Cancelled, it is finished.
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func (job *Job) IsFinished() bool {
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return job.State == JobDone || job.State == JobCancelled
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}
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// IsRunning returns whether job is still running or not.
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func (job *Job) IsRunning() bool {
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return job.State == JobRunning
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}
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// JobState is for job state.
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type JobState byte
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// List job states.
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const (
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JobNone JobState = iota
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JobRunning
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JobDone
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JobCancelled
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)
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// String implements fmt.Stringer interface.
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func (s JobState) String() string {
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switch s {
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case JobRunning:
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return "running"
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case JobDone:
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return "done"
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case JobCancelled:
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return "cancelled"
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default:
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return "none"
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}
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}
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// Owner is for DDL Owner.
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type Owner struct {
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OwnerID string `json:"owner_id"`
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// unix nano seconds
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// TODO: use timestamp allocated by TSO
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LastUpdateTS int64 `json:"last_update_ts"`
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}
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// String implements fmt.Stringer interface.
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func (o *Owner) String() string {
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return fmt.Sprintf("ID:%s, LastUpdateTS:%d", o.OwnerID, o.LastUpdateTS)
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}
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