Documentation ¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
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var ( // WithGlobalUniqueID sets the universal ids options to the migration. // If this option is enabled, ent migration will allocate a 1<<32 range // for the ids of each entity (table). // Note that this option cannot be applied on tables that already exist. WithGlobalUniqueID = schema.WithGlobalUniqueID // WithDropColumn sets the drop column option to the migration. // If this option is enabled, ent migration will drop old columns // that were used for both fields and edges. This defaults to false. WithDropColumn = schema.WithDropColumn // WithDropIndex sets the drop index option to the migration. // If this option is enabled, ent migration will drop old indexes // that were defined in the schema. This defaults to false. // Note that unique constraints are defined using `UNIQUE INDEX`, // and therefore, it's recommended to enable this option to get more // flexibility in the schema changes. WithDropIndex = schema.WithDropIndex // WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true. WithForeignKeys = schema.WithForeignKeys )
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var ( // PostsColumns holds the columns for the "posts" table. PostsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "tenant_id", Type: field.TypeString, Nullable: true}, {Name: "title", Type: field.TypeString}, {Name: "description", Type: field.TypeString, Nullable: true}, {Name: "dsn", Type: field.TypeString, Nullable: true}, } // PostsTable holds the schema information for the "posts" table. PostsTable = &schema.Table{ Name: "posts", Columns: PostsColumns, PrimaryKey: []*schema.Column{PostsColumns[0]}, } // TenantsColumns holds the columns for the "tenants" table. TenantsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "create_time", Type: field.TypeTime}, {Name: "update_time", Type: field.TypeTime}, {Name: "name", Type: field.TypeString}, {Name: "display_name", Type: field.TypeString, Nullable: true}, {Name: "region", Type: field.TypeString, Nullable: true}, } // TenantsTable holds the schema information for the "tenants" table. TenantsTable = &schema.Table{ Name: "tenants", Columns: TenantsColumns, PrimaryKey: []*schema.Column{TenantsColumns[0]}, } // TenantConnsColumns holds the columns for the "tenant_conns" table. TenantConnsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "create_time", Type: field.TypeTime}, {Name: "update_time", Type: field.TypeTime}, {Name: "key", Type: field.TypeString}, {Name: "value", Type: field.TypeString}, {Name: "tenant_conn", Type: field.TypeInt, Nullable: true}, } // TenantConnsTable holds the schema information for the "tenant_conns" table. TenantConnsTable = &schema.Table{ Name: "tenant_conns", Columns: TenantConnsColumns, PrimaryKey: []*schema.Column{TenantConnsColumns[0]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "tenant_conns_tenants_conn", Columns: []*schema.Column{TenantConnsColumns[5]}, RefColumns: []*schema.Column{TenantsColumns[0]}, OnDelete: schema.SetNull, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ PostsTable, TenantsTable, TenantConnsTable, } )
Functions ¶
Types ¶
type Schema ¶
type Schema struct {
// contains filtered or unexported fields
}
Schema is the API for creating, migrating and dropping a schema.
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