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Fix: Migration in storage and version bump -> -0.1.107 (#2943)

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This commit is contained in:
Dev Khant
2025-06-11 21:48:43 +05:30
committed by GitHub
parent c59752c6d6
commit a40268dd51
2 changed files with 130 additions and 68 deletions
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196
mem0/memory/storage.py
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@@ -21,59 +21,107 @@ class SQLiteManager:
rename it, create the new schema, copy the intersecting data, then
drop the old table.
"""
with self._lock, self.connection:
cur = self.connection.cursor()
cur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='history'")
if cur.fetchone() is None:
return # nothing to migrate
with self._lock:
try:
# Start a transaction
self.connection.execute("BEGIN")
cur = self.connection.cursor()
cur.execute("PRAGMA table_info(history)")
old_cols = {row[1] for row in cur.fetchall()}
cur.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='history'")
if cur.fetchone() is None:
self.connection.execute("COMMIT")
return # nothing to migrate
expected_cols = {
"id",
"memory_id",
"old_memory",
"new_memory",
"event",
"created_at",
"updated_at",
"is_deleted",
"actor_id",
"role",
}
cur.execute("PRAGMA table_info(history)")
old_cols = {row[1] for row in cur.fetchall()}
if old_cols == expected_cols:
return
expected_cols = {
"id",
"memory_id",
"old_memory",
"new_memory",
"event",
"created_at",
"updated_at",
"is_deleted",
"actor_id",
"role",
}
logger.info("Migrating history table to new schema (no convo columns).")
cur.execute("ALTER TABLE history RENAME TO history_old")
if old_cols == expected_cols:
self.connection.execute("COMMIT")
return
self._create_history_table()
logger.info("Migrating history table to new schema (no convo columns).")
intersecting = list(expected_cols & old_cols)
cols_csv = ", ".join(intersecting)
cur.execute(f"INSERT INTO history ({cols_csv}) SELECT {cols_csv} FROM history_old")
cur.execute("DROP TABLE history_old")
# Clean up any existing history_old table from previous failed migration
cur.execute("DROP TABLE IF EXISTS history_old")
# Rename the current history table
cur.execute("ALTER TABLE history RENAME TO history_old")
# Create the new history table with updated schema
cur.execute(
"""
CREATE TABLE history (
id TEXT PRIMARY KEY,
memory_id TEXT,
old_memory TEXT,
new_memory TEXT,
event TEXT,
created_at DATETIME,
updated_at DATETIME,
is_deleted INTEGER,
actor_id TEXT,
role TEXT
)
"""
)
# Copy data from old table to new table
intersecting = list(expected_cols & old_cols)
if intersecting:
cols_csv = ", ".join(intersecting)
cur.execute(f"INSERT INTO history ({cols_csv}) SELECT {cols_csv} FROM history_old")
# Drop the old table
cur.execute("DROP TABLE history_old")
# Commit the transaction
self.connection.execute("COMMIT")
logger.info("History table migration completed successfully.")
except Exception as e:
# Rollback the transaction on any error
self.connection.execute("ROLLBACK")
logger.error(f"History table migration failed: {e}")
raise
def _create_history_table(self) -> None:
with self._lock, self.connection:
self.connection.execute(
with self._lock:
try:
self.connection.execute("BEGIN")
self.connection.execute(
"""
CREATE TABLE IF NOT EXISTS history (
id TEXT PRIMARY KEY,
memory_id TEXT,
old_memory TEXT,
new_memory TEXT,
event TEXT,
created_at DATETIME,
updated_at DATETIME,
is_deleted INTEGER,
actor_id TEXT,
role TEXT
)
"""
CREATE TABLE IF NOT EXISTS history (
id TEXT PRIMARY KEY,
memory_id TEXT,
old_memory TEXT,
new_memory TEXT,
event TEXT,
created_at DATETIME,
updated_at DATETIME,
is_deleted INTEGER,
actor_id TEXT,
role TEXT
)
"""
)
self.connection.execute("COMMIT")
except Exception as e:
self.connection.execute("ROLLBACK")
logger.error(f"Failed to create history table: {e}")
raise
def add_history(
self,
@@ -88,28 +136,35 @@ class SQLiteManager:
actor_id: Optional[str] = None,
role: Optional[str] = None,
) -> None:
with self._lock, self.connection:
self.connection.execute(
"""
INSERT INTO history (
id, memory_id, old_memory, new_memory, event,
created_at, updated_at, is_deleted, actor_id, role
with self._lock:
try:
self.connection.execute("BEGIN")
self.connection.execute(
"""
INSERT INTO history (
id, memory_id, old_memory, new_memory, event,
created_at, updated_at, is_deleted, actor_id, role
)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
str(uuid.uuid4()),
memory_id,
old_memory,
new_memory,
event,
created_at,
updated_at,
is_deleted,
actor_id,
role,
),
)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
""",
(
str(uuid.uuid4()),
memory_id,
old_memory,
new_memory,
event,
created_at,
updated_at,
is_deleted,
actor_id,
role,
),
)
self.connection.execute("COMMIT")
except Exception as e:
self.connection.execute("ROLLBACK")
logger.error(f"Failed to add history record: {e}")
raise
def get_history(self, memory_id: str) -> List[Dict[str, Any]]:
with self._lock:
@@ -143,9 +198,16 @@ class SQLiteManager:
def reset(self) -> None:
"""Drop and recreate the history table."""
with self._lock, self.connection:
self.connection.execute("DROP TABLE IF EXISTS history")
self._create_history_table()
with self._lock:
try:
self.connection.execute("BEGIN")
self.connection.execute("DROP TABLE IF EXISTS history")
self.connection.execute("COMMIT")
self._create_history_table()
except Exception as e:
self.connection.execute("ROLLBACK")
logger.error(f"Failed to reset history table: {e}")
raise
def close(self) -> None:
if self.connection:

2
pyproject.toml
View File

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
[project]
name = "mem0ai"
version = "0.1.106"
version = "0.1.107"
description = "Long-term memory for AI Agents"
authors = [
{ name = "Mem0", email = "founders@mem0.ai" }