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refactor(database): make session id the primary key in sessions table

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This commit is contained in:
Haileyesus
2026-04-29 18:06:58 +03:00
parent f175d20c4e
commit cd3e8986d7
3 changed files with 49 additions and 24 deletions
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59
server/modules/database/migrations.ts
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@@ -57,7 +57,7 @@ const migrateLegacySessionNames = (db: Database): void => {
if (hasSessionsTable) {
console.log('Running migration: Merging session_names into sessions');
db.exec(`
INSERT OR REPLACE INTO sessions (session_id, provider, custom_name, created_at, updated_at)
INSERT INTO sessions (session_id, provider, custom_name, created_at, updated_at)
SELECT
session_id,
COALESCE(provider, 'claude'),
@@ -65,6 +65,11 @@ const migrateLegacySessionNames = (db: Database): void => {
COALESCE(created_at, CURRENT_TIMESTAMP),
COALESCE(updated_at, CURRENT_TIMESTAMP)
FROM session_names
ON CONFLICT(session_id) DO UPDATE SET
provider = excluded.provider,
custom_name = COALESCE(excluded.custom_name, sessions.custom_name),
created_at = COALESCE(sessions.created_at, excluded.created_at),
updated_at = COALESCE(excluded.updated_at, sessions.updated_at)
`);
db.exec('DROP TABLE session_names');
return;
@@ -245,9 +250,9 @@ const rebuildSessionsTableWithProjectSchema = (db: Database): void => {
const shouldRebuild =
!columnNames.includes('project_path') ||
primaryKeyColumns.length !== 2 ||
primaryKeyColumns.length !== 1 ||
primaryKeyColumns[0] !== 'session_id' ||
primaryKeyColumns[1] !== 'provider';
!columnNames.includes('provider');
if (!shouldRebuild) {
addColumnToTableIfNotExists(db, 'sessions', columnNames, 'jsonl_path', 'TEXT');
@@ -299,14 +304,42 @@ const rebuildSessionsTableWithProjectSchema = (db: Database): void => {
jsonl_path TEXT,
created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (session_id, provider),
PRIMARY KEY (session_id),
FOREIGN KEY (project_path) REFERENCES projects(project_path)
ON DELETE SET NULL
ON UPDATE CASCADE
)
`);
db.exec(`
INSERT OR REPLACE INTO sessions__new (
WITH source_rows AS (
SELECT
session_id,
${providerExpression} AS provider,
${customNameExpression} AS custom_name,
${projectPathExpression} AS project_path,
${jsonlPathExpression} AS jsonl_path,
${createdAtExpression} AS created_at,
${updatedAtExpression} AS updated_at,
rowid AS source_rowid
FROM sessions
WHERE session_id IS NOT NULL AND trim(session_id) <> ''
),
ranked_rows AS (
SELECT
session_id,
provider,
custom_name,
project_path,
jsonl_path,
created_at,
updated_at,
ROW_NUMBER() OVER (
PARTITION BY session_id
ORDER BY datetime(COALESCE(updated_at, created_at)) DESC, source_rowid DESC
) AS session_rank
FROM source_rows
)
INSERT INTO sessions__new (
session_id,
provider,
custom_name,
@@ -317,14 +350,14 @@ const rebuildSessionsTableWithProjectSchema = (db: Database): void => {
)
SELECT
session_id,
${providerExpression},
${customNameExpression},
${projectPathExpression},
${jsonlPathExpression},
${createdAtExpression},
${updatedAtExpression}
FROM sessions
WHERE session_id IS NOT NULL AND trim(session_id) <> ''
provider,
custom_name,
project_path,
jsonl_path,
created_at,
updated_at
FROM ranked_rows
WHERE session_rank = 1
`);
db.exec('DROP TABLE sessions');
db.exec('ALTER TABLE sessions__new RENAME TO sessions');