migrate

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
)

var (
	// MemoriesColumns holds the columns for the "memories" table.
	MemoriesColumns = []*schema.Column{
		{Name: "id", Type: field.TypeString, Unique: true},
		{Name: "tenant_id", Type: field.TypeString},
		{Name: "subject_id", Type: field.TypeString},
		{Name: "agent_id", Type: field.TypeString, Nullable: true},
		{Name: "session_id", Type: field.TypeString, Nullable: true},
		{Name: "scope", Type: field.TypeString},
		{Name: "type", Type: field.TypeString},
		{Name: "content", Type: field.TypeString, Size: 2147483647},
		{Name: "embedding", Type: field.TypeJSON, Nullable: true, SchemaType: map[string]string{"postgres": "vector(1536)"}},
		{Name: "metadata", Type: field.TypeJSON, Nullable: true},
		{Name: "created_at", Type: field.TypeTime},
		{Name: "updated_at", Type: field.TypeTime},
		{Name: "expires_at", Type: field.TypeTime, Nullable: true},
	}
	// MemoriesTable holds the schema information for the "memories" table.
	MemoriesTable = &schema.Table{
		Name:       "memories",
		Columns:    MemoriesColumns,
		PrimaryKey: []*schema.Column{MemoriesColumns[0]},
		Indexes: []*schema.Index{
			{
				Name:    "memory_tenant_id",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[1]},
			},
			{
				Name:    "memory_tenant_id_subject_id",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[1], MemoriesColumns[2]},
			},
			{
				Name:    "memory_tenant_id_scope",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[1], MemoriesColumns[5]},
			},
			{
				Name:    "memory_tenant_id_type",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[1], MemoriesColumns[6]},
			},
			{
				Name:    "memory_tenant_id_subject_id_scope",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[1], MemoriesColumns[2], MemoriesColumns[5]},
			},
			{
				Name:    "memory_embedding",
				Unique:  false,
				Columns: []*schema.Column{MemoriesColumns[8]},
				Annotation: &entsql.IndexAnnotation{
					OpClass: "vector_l2_ops",
					Type:    "hnsw",
				},
			},
		},
	}
	// Tables holds all the tables in the schema.
	Tables = []*schema.Table{
		MemoriesTable,
	}
)