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[Advanced Visibility with SQL] Adding MySQL 8 schema and interface (t…
…emporalio#3552) * Create base schema for MySQL 8 * MySQL 8 schema changes to support advanced visibility * Create base MySQL 8 db interface and configs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package mysql | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/jmoiron/sqlx" | ||
|
|
||
| "go.temporal.io/server/common/persistence/schema" | ||
| "go.temporal.io/server/common/persistence/sql/sqlplugin" | ||
| mysqlschemaV8 "go.temporal.io/server/schema/mysql/v8" | ||
| ) | ||
|
|
||
| // db represents a logical connection to mysql database | ||
| type dbV8 struct { | ||
| db | ||
| } | ||
|
|
||
| var _ sqlplugin.AdminDB = (*dbV8)(nil) | ||
| var _ sqlplugin.DB = (*dbV8)(nil) | ||
| var _ sqlplugin.Tx = (*dbV8)(nil) | ||
|
|
||
| // newDB returns an instance of DB, which is a logical | ||
| // connection to the underlying mysql database | ||
| func newDBV8( | ||
| dbKind sqlplugin.DbKind, | ||
| dbName string, | ||
| xdb *sqlx.DB, | ||
| tx *sqlx.Tx, | ||
| ) *dbV8 { | ||
| mdb := &dbV8{ | ||
| db: db{ | ||
| dbKind: dbKind, | ||
| dbName: dbName, | ||
| db: xdb, | ||
| tx: tx, | ||
| }, | ||
| } | ||
| mdb.conn = xdb | ||
| if tx != nil { | ||
| mdb.conn = tx | ||
| } | ||
| mdb.converter = &converter{} | ||
| return mdb | ||
| } | ||
|
|
||
| // BeginTx starts a new transaction and returns a reference to the Tx object | ||
| func (mdb *dbV8) BeginTx(ctx context.Context) (sqlplugin.Tx, error) { | ||
| xtx, err := mdb.db.db.BeginTxx(ctx, nil) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return newDBV8(mdb.dbKind, mdb.dbName, mdb.db.db, xtx), nil | ||
| } | ||
|
|
||
| // PluginName returns the name of the mysql plugin | ||
| func (mdb *dbV8) PluginName() string { | ||
| return PluginNameV8 | ||
| } | ||
|
|
||
| // ExpectedVersion returns expected version. | ||
| func (mdb *dbV8) ExpectedVersion() string { | ||
| switch mdb.dbKind { | ||
| case sqlplugin.DbKindMain: | ||
| return mysqlschemaV8.Version | ||
| case sqlplugin.DbKindVisibility: | ||
| return mysqlschemaV8.VisibilityVersion | ||
| default: | ||
| panic(fmt.Sprintf("unknown db kind %v", mdb.dbKind)) | ||
| } | ||
| } | ||
|
|
||
| // VerifyVersion verify schema version is up to date | ||
| func (mdb *dbV8) VerifyVersion() error { | ||
| expectedVersion := mdb.ExpectedVersion() | ||
| return schema.VerifyCompatibleVersion(mdb, mdb.dbName, expectedVersion) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package mysql | ||
|
|
||
| import ( | ||
| "go.temporal.io/server/common/config" | ||
| "go.temporal.io/server/common/persistence/sql" | ||
| "go.temporal.io/server/common/persistence/sql/sqlplugin" | ||
| "go.temporal.io/server/common/resolver" | ||
| ) | ||
|
|
||
| const ( | ||
| // PluginName is the name of the plugin | ||
| PluginNameV8 = "mysql8" | ||
| ) | ||
|
|
||
| type pluginV8 struct { | ||
| plugin | ||
| } | ||
|
|
||
| var _ sqlplugin.Plugin = (*pluginV8)(nil) | ||
|
|
||
| func init() { | ||
| sql.RegisterPlugin(PluginNameV8, &pluginV8{}) | ||
| } | ||
|
|
||
| // CreateDB initialize the db object | ||
| func (p *pluginV8) CreateDB( | ||
| dbKind sqlplugin.DbKind, | ||
| cfg *config.SQL, | ||
| r resolver.ServiceResolver, | ||
| ) (sqlplugin.DB, error) { | ||
| conn, err := p.createDBConnection(cfg, r) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| db := newDBV8(dbKind, cfg.DatabaseName, conn, nil) | ||
| return db, nil | ||
| } | ||
|
|
||
| // CreateAdminDB initialize the db object | ||
| func (p *pluginV8) CreateAdminDB( | ||
| dbKind sqlplugin.DbKind, | ||
| cfg *config.SQL, | ||
| r resolver.ServiceResolver, | ||
| ) (sqlplugin.AdminDB, error) { | ||
| conn, err := p.createDBConnection(cfg, r) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| db := newDBV8(dbKind, cfg.DatabaseName, conn, nil) | ||
| return db, nil | ||
| } |
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