chore: retire memo tags

server/router/api/v1/memo_service.go

@@ -780,7 +780,6 @@ func (s *APIV1Service) convertMemoFromStore(ctx context.Context, memo *store.Mem
 		Content:     memo.Content,
 		Nodes:       convertFromASTNodes(nodes),
 		Visibility:  convertVisibilityFromStore(memo.Visibility),
-		Tags:        memo.Tags,
 		Pinned:      memo.Pinned,
 		ParentId:    memo.ParentID,
 		Relations:   listMemoRelationsResponse.Relations,

store/db/mysql/memo.go

@@ -2,7 +2,6 @@ package mysql
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"strings"
 
@@ -16,14 +15,6 @@ import (
 func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, error) {
 	fields := []string{"`uid`", "`creator_id`", "`content`", "`visibility`", "`tags`", "`payload`"}
 	placeholder := []string{"?", "?", "?", "?", "?", "?"}
-	tags := "[]"
-	if len(create.Tags) != 0 {
-		tagsBytes, err := json.Marshal(create.Tags)
-		if err != nil {
-			return nil, err
-		}
-		tags = string(tagsBytes)
-	}
 	payload := "{}"
 	if create.Payload != nil {
 		payloadBytes, err := protojson.Marshal(create.Payload)
@@ -32,7 +23,7 @@ func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, e
 		}
 		payload = string(payloadBytes)
 	}
-	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, tags, payload}
+	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, "[]", payload}
 
 	stmt := "INSERT INTO `memo` (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ")"
 	result, err := d.db.ExecContext(ctx, stmt, args...)
@@ -129,7 +120,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		"UNIX_TIMESTAMP(`memo`.`updated_ts`) AS `updated_ts`",
 		"`memo`.`row_status` AS `row_status`",
 		"`memo`.`visibility` AS `visibility`",
-		"`memo`.`tags` AS `tags`",
 		"`memo`.`payload` AS `payload`",
 		"IFNULL(`memo_organizer`.`pinned`, 0) AS `pinned`",
 		"`memo_relation`.`related_memo_id` AS `parent_id`",
@@ -155,7 +145,7 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 	list := make([]*store.Memo, 0)
 	for rows.Next() {
 		var memo store.Memo
-		var tagsBytes, payloadBytes []byte
+		var payloadBytes []byte
 		dests := []any{
 			&memo.ID,
 			&memo.UID,
@@ -164,7 +154,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 			&memo.UpdatedTs,
 			&memo.RowStatus,
 			&memo.Visibility,
-			&tagsBytes,
 			&payloadBytes,
 			&memo.Pinned,
 			&memo.ParentID,
@@ -175,9 +164,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		if err := rows.Scan(dests...); err != nil {
 			return nil, err
 		}
-		if err := json.Unmarshal(tagsBytes, &memo.Tags); err != nil {
-			return nil, errors.Wrap(err, "failed to unmarshal tags")
-		}
 		payload := &storepb.MemoPayload{}
 		if err := protojsonUnmarshaler.Unmarshal(payloadBytes, payload); err != nil {
 			return nil, errors.Wrap(err, "failed to unmarshal payload")

store/db/postgres/memo.go

@@ -2,7 +2,6 @@ package postgres
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"strings"
 
@@ -14,15 +13,7 @@ import (
 )
 
 func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, error) {
-	fields := []string{"uid", "creator_id", "content", "visibility", "tags", "payload"}
-	tags := "[]"
-	if len(create.Tags) != 0 {
-		tagsBytes, err := json.Marshal(create.Tags)
-		if err != nil {
-			return nil, err
-		}
-		tags = string(tagsBytes)
-	}
+	fields := []string{"uid", "creator_id", "content", "visibility", "payload"}
 	payload := "{}"
 	if create.Payload != nil {
 		payloadBytes, err := protojson.Marshal(create.Payload)
@@ -31,7 +22,7 @@ func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, e
 		}
 		payload = string(payloadBytes)
 	}
-	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, tags, payload}
+	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, payload}
 
 	stmt := "INSERT INTO memo (" + strings.Join(fields, ", ") + ") VALUES (" + placeholders(len(args)) + ") RETURNING id, created_ts, updated_ts, row_status"
 	if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(
@@ -120,7 +111,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		`memo.updated_ts AS updated_ts`,
 		`memo.row_status AS row_status`,
 		`memo.visibility AS visibility`,
-		`memo.tags AS tags`,
 		`memo.payload AS payload`,
 		`COALESCE(memo_organizer.pinned, 0) AS pinned`,
 		`memo_relation.related_memo_id AS parent_id`,
@@ -151,7 +141,7 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 	list := make([]*store.Memo, 0)
 	for rows.Next() {
 		var memo store.Memo
-		var tagsBytes, payloadBytes []byte
+		var payloadBytes []byte
 		dests := []any{
 			&memo.ID,
 			&memo.UID,
@@ -160,7 +150,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 			&memo.UpdatedTs,
 			&memo.RowStatus,
 			&memo.Visibility,
-			&tagsBytes,
 			&payloadBytes,
 			&memo.Pinned,
 			&memo.ParentID,
@@ -171,9 +160,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		if err := rows.Scan(dests...); err != nil {
 			return nil, err
 		}
-		if err := json.Unmarshal(tagsBytes, &memo.Tags); err != nil {
-			return nil, errors.Wrap(err, "failed to unmarshal tags")
-		}
 		payload := &storepb.MemoPayload{}
 		if err := protojsonUnmarshaler.Unmarshal(payloadBytes, payload); err != nil {
 			return nil, errors.Wrap(err, "failed to unmarshal payload")

store/db/sqlite/memo.go

@@ -2,7 +2,6 @@ package sqlite
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
 	"strings"
 
@@ -14,16 +13,8 @@ import (
 )
 
 func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, error) {
-	fields := []string{"`uid`", "`creator_id`", "`content`", "`visibility`", "`tags`", "`payload`"}
-	placeholder := []string{"?", "?", "?", "?", "?", "?"}
-	tags := "[]"
-	if len(create.Tags) != 0 {
-		tagsBytes, err := json.Marshal(create.Tags)
-		if err != nil {
-			return nil, err
-		}
-		tags = string(tagsBytes)
-	}
+	fields := []string{"`uid`", "`creator_id`", "`content`", "`visibility`", "`payload`"}
+	placeholder := []string{"?", "?", "?", "?", "?"}
 	payload := "{}"
 	if create.Payload != nil {
 		payloadBytes, err := protojson.Marshal(create.Payload)
@@ -32,7 +23,7 @@ func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, e
 		}
 		payload = string(payloadBytes)
 	}
-	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, tags, payload}
+	args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, payload}
 
 	stmt := "INSERT INTO `memo` (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ") RETURNING `id`, `created_ts`, `updated_ts`, `row_status`"
 	if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(
@@ -121,7 +112,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		"`memo`.`updated_ts` AS `updated_ts`",
 		"`memo`.`row_status` AS `row_status`",
 		"`memo`.`visibility` AS `visibility`",
-		"`memo`.`tags` AS `tags`",
 		"`memo`.`payload` AS `payload`",
 		"IFNULL(`memo_organizer`.`pinned`, 0) AS `pinned`",
 		"`memo_relation`.`related_memo_id` AS `parent_id`",
@@ -151,7 +141,7 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 	list := make([]*store.Memo, 0)
 	for rows.Next() {
 		var memo store.Memo
-		var tagsBytes, payloadBytes []byte
+		var payloadBytes []byte
 		dests := []any{
 			&memo.ID,
 			&memo.UID,
@@ -160,7 +150,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 			&memo.UpdatedTs,
 			&memo.RowStatus,
 			&memo.Visibility,
-			&tagsBytes,
 			&payloadBytes,
 			&memo.Pinned,
 			&memo.ParentID,
@@ -171,9 +160,6 @@ func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo
 		if err := rows.Scan(dests...); err != nil {
 			return nil, err
 		}
-		if err := json.Unmarshal(tagsBytes, &memo.Tags); err != nil {
-			return nil, errors.Wrap(err, "failed to unmarshal tags")
-		}
 		payload := &storepb.MemoPayload{}
 		if err := protojsonUnmarshaler.Unmarshal(payloadBytes, payload); err != nil {
 			return nil, errors.Wrap(err, "failed to unmarshal payload")

store/memo.go

@@ -48,7 +48,6 @@ type Memo struct {
 	// Domain specific fields
 	Content    string
 	Visibility Visibility
-	Tags       []string
 	Payload    *storepb.MemoPayload
 
 	// Composed fields