{"id":15789783,"url":"https://github.com/ytake/protoactor-go-persistence-mysql","last_synced_at":"2025-03-31T18:27:27.376Z","repository":{"id":221191477,"uuid":"753615531","full_name":"ytake/protoactor-go-persistence-mysql","owner":"ytake","description":"Go package with persistence provider for Proto Actor (Go) based on 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protoactor-go-persistence-mysql\n\nGo package with persistence provider for Proto Actor (Go) based on MySQL.\n\n# Usage\n\n```go\npackage main\n\nimport (\n\t\"database/sql\"\n\t\n\t\"github.com/asynkron/protoactor-go/actor\"\n\t\"github.com/asynkron/protoactor-go/persistence\"\n\t\"github.com/go-sql-driver/mysql\"\n\t\"github.com/ytake/protoactor-go-persistence-mysql\"\n)\n\ntype Actor struct {\n\tpersistence.Mixin\n}\n\nfunc (a *Actor) Receive(ctx actor.Context) {\n\t// example\n}\n\nfunc main() {\n\n\tconf := \u0026mysql.Config{\n\t\t// example config\n\t}\n\tsystem := actor.NewActorSystem()\n\tdb, _ := sql.Open(\"mysql\", conf.FormatDSN())\n\tprovider, _ := persistencemysql.New(3, persistencemysql.NewTable(), db, system.Logger())\n\n\tprops := actor.PropsFromProducer(func() actor.Actor { return \u0026Actor{} },\n\t\tactor.WithReceiverMiddleware(persistence.Using(provider)))\n\n\tpid, _ := system.Root.SpawnNamed(props, \"persistent\")\n}\n\n```\n\n# Default table schema\n\nuse ulid as id(varchar(26)) and json as payload\n\n```sql\nCREATE TABLE `journals`\n(\n    `id`              varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,\n    `payload`         json                                                  NOT NULL,\n    `sequence_number` bigint                                                 DEFAULT NULL,\n    `actor_name`      varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,\n    `created_at`      timestamp                                              DEFAULT CURRENT_TIMESTAMP,\n    PRIMARY KEY (`id`),\n    UNIQUE KEY `uidx_id` (`id`),\n    UNIQUE KEY `uidx_names` (`actor_name`,`sequence_number`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;\n\nCREATE TABLE `snapshots`\n(\n    `id`              varchar(26) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,\n    `payload`         json                                                  NOT NULL,\n    `sequence_number` bigint                                                 DEFAULT NULL,\n    `actor_name`      varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,\n    `created_at`      timestamp                                              DEFAULT CURRENT_TIMESTAMP,\n    PRIMARY KEY (`id`),\n    UNIQUE KEY `uidx_id` (`id`),\n    UNIQUE KEY `uidx_names` (`actor_name`,`sequence_number`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;\n\n```\n\n## change table name\n\nuse the interface to change the table name.\n\nfor journal table and snapshot table.\n\n```go \n// Schemaer is the interface that wraps the basic methods for a schema.\ntype Schemaer interface {\n    // JournalTableName returns the name of the journal table.\n    JournalTableName() string\n    // SnapshotTableName returns the name of the snapshot table.\n    SnapshotTableName() string\n    // ID returns the name of the id column.\n    ID() string\n    // Payload returns the name of the payload column.\n    Payload() string\n    // ActorName returns the name of the actor name column.\n    ActorName() string\n    // SequenceNumber returns the name of the sequence number column.\n    SequenceNumber() string\n    // Created returns the name of the created at column.\n    Created() string\n    // CreateTable returns the sql statement to create the table.\n    CreateTable() []string\n}\n\n``` \n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fytake%2Fprotoactor-go-persistence-mysql","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fytake%2Fprotoactor-go-persistence-mysql","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fytake%2Fprotoactor-go-persistence-mysql/lists"}