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minimize change
This commit is contained in:
Raghotham Murthy
parent
ed78090b8e
commit
06d02bf3de
23 changed files with 161 additions and 197 deletions
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@ -37,72 +37,138 @@ class SqliteKVStoreImpl(KVStore):
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if db_dir: # Only create if there's a directory component
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os.makedirs(db_dir, exist_ok=True)
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# Create persistent connection for all databases
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self._conn = await aiosqlite.connect(self.db_path)
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await self._conn.execute(
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f"""
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CREATE TABLE IF NOT EXISTS {self.table_name} (
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key TEXT PRIMARY KEY,
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value TEXT,
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expiration TIMESTAMP
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# Only use persistent connection for in-memory databases
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# File-based databases use connection-per-operation to avoid hangs
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if self._is_memory_db():
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self._conn = await aiosqlite.connect(self.db_path)
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await self._conn.execute(
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f"""
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CREATE TABLE IF NOT EXISTS {self.table_name} (
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key TEXT PRIMARY KEY,
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value TEXT,
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expiration TIMESTAMP
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)
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"""
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)
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"""
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)
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await self._conn.commit()
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await self._conn.commit()
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else:
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# For file-based databases, just create the table
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async with aiosqlite.connect(self.db_path) as db:
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await db.execute(
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f"""
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CREATE TABLE IF NOT EXISTS {self.table_name} (
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key TEXT PRIMARY KEY,
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value TEXT,
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expiration TIMESTAMP
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)
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"""
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)
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await db.commit()
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async def close(self):
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"""Close the persistent connection."""
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"""Close the persistent connection (only for in-memory databases)."""
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if self._conn:
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await self._conn.close()
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self._conn = None
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@property
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def conn(self) -> aiosqlite.Connection:
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"""Get the connection, raising an error if not initialized."""
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if self._conn is None:
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raise RuntimeError("Connection not initialized. Call initialize() first.")
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return self._conn
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async def set(self, key: str, value: str, expiration: datetime | None = None) -> None:
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await self.conn.execute(
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f"INSERT OR REPLACE INTO {self.table_name} (key, value, expiration) VALUES (?, ?, ?)",
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(key, value, expiration),
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)
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await self.conn.commit()
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if self._conn:
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# In-memory database with persistent connection
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await self._conn.execute(
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f"INSERT OR REPLACE INTO {self.table_name} (key, value, expiration) VALUES (?, ?, ?)",
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(key, value, expiration),
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)
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await self._conn.commit()
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else:
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# File-based database with connection per operation
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async with aiosqlite.connect(self.db_path) as db:
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await db.execute(
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f"INSERT OR REPLACE INTO {self.table_name} (key, value, expiration) VALUES (?, ?, ?)",
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(key, value, expiration),
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)
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await db.commit()
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async def get(self, key: str) -> str | None:
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async with self.conn.execute(
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f"SELECT value, expiration FROM {self.table_name} WHERE key = ?", (key,)
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) as cursor:
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row = await cursor.fetchone()
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if row is None:
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return None
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value, expiration = row
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if not isinstance(value, str):
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logger.warning(f"Expected string value for key {key}, got {type(value)}, returning None")
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return None
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return value
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if self._conn:
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# In-memory database with persistent connection
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async with self._conn.execute(
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f"SELECT value, expiration FROM {self.table_name} WHERE key = ?", (key,)
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) as cursor:
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row = await cursor.fetchone()
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if row is None:
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return None
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value, expiration = row
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if not isinstance(value, str):
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logger.warning(f"Expected string value for key {key}, got {type(value)}, returning None")
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return None
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return value
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else:
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# File-based database with connection per operation
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async with aiosqlite.connect(self.db_path) as db:
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async with db.execute(
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f"SELECT value, expiration FROM {self.table_name} WHERE key = ?", (key,)
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) as cursor:
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row = await cursor.fetchone()
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if row is None:
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return None
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value, expiration = row
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if not isinstance(value, str):
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logger.warning(f"Expected string value for key {key}, got {type(value)}, returning None")
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return None
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return value
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async def delete(self, key: str) -> None:
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await self.conn.execute(f"DELETE FROM {self.table_name} WHERE key = ?", (key,))
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await self.conn.commit()
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if self._conn:
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# In-memory database with persistent connection
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await self._conn.execute(f"DELETE FROM {self.table_name} WHERE key = ?", (key,))
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await self._conn.commit()
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else:
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# File-based database with connection per operation
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async with aiosqlite.connect(self.db_path) as db:
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await db.execute(f"DELETE FROM {self.table_name} WHERE key = ?", (key,))
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await db.commit()
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async def values_in_range(self, start_key: str, end_key: str) -> list[str]:
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async with self.conn.execute(
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f"SELECT key, value, expiration FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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) as cursor:
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result = []
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async for row in cursor:
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_, value, _ = row
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result.append(value)
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return result
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if self._conn:
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# In-memory database with persistent connection
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async with self._conn.execute(
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f"SELECT key, value, expiration FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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) as cursor:
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result = []
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async for row in cursor:
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_, value, _ = row
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result.append(value)
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return result
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else:
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# File-based database with connection per operation
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async with aiosqlite.connect(self.db_path) as db:
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async with db.execute(
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f"SELECT key, value, expiration FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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) as cursor:
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result = []
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async for row in cursor:
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_, value, _ = row
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result.append(value)
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return result
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async def keys_in_range(self, start_key: str, end_key: str) -> list[str]:
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"""Get all keys in the given range."""
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cursor = await self.conn.execute(
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f"SELECT key FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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)
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rows = await cursor.fetchall()
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return [row[0] for row in rows]
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if self._conn:
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# In-memory database with persistent connection
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cursor = await self._conn.execute(
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f"SELECT key FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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)
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rows = await cursor.fetchall()
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return [row[0] for row in rows]
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else:
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# File-based database with connection per operation
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async with aiosqlite.connect(self.db_path) as db:
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cursor = await db.execute(
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f"SELECT key FROM {self.table_name} WHERE key >= ? AND key <= ?",
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(start_key, end_key),
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)
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rows = await cursor.fetchall()
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return [row[0] for row in rows]
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