"""CockroachDB ADK store for Google Agent Development Kit session/event storage (asyncpg)."""
from typing import TYPE_CHECKING, Any, Literal, cast
from typing_extensions import NotRequired
from sqlspec.adapters.cockroach_asyncpg._typing import cockroach_asyncpg_module as asyncpg
from sqlspec.config import ADKConfig
from sqlspec.extensions.adk import BaseAsyncADKStore, StoredEvent, StoredSession, normalize_session_list_options
from sqlspec.extensions.adk.memory.store import BaseAsyncADKMemoryStore
from sqlspec.utils.logging import get_logger
if TYPE_CHECKING:
from collections.abc import Sequence
from datetime import datetime, timedelta
from sqlspec.adapters.cockroach_asyncpg.config import CockroachAsyncpgConfig
from sqlspec.extensions.adk import SessionOrderBy, StoredMemory
__all__ = ("CockroachAsyncpgADKConfig", "CockroachAsyncpgADKMemoryStore", "CockroachAsyncpgADKStore")
logger = get_logger("sqlspec.adapters.cockroach_asyncpg.adk.store")
[docs]
class CockroachAsyncpgADKConfig(ADKConfig):
"""CockroachDB asyncpg ADK extension settings.
Use these keys inside ``extension_config["adk"]`` with the CockroachDB asyncpg ADK stores.
"""
table_locality: NotRequired[str]
"""Default raw CockroachDB LOCALITY clause for ADK tables."""
session_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK session table."""
events_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK events table."""
app_state_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK app state table."""
user_state_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK user state table."""
metadata_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK metadata table."""
memory_table_locality: NotRequired[str]
"""Raw CockroachDB LOCALITY clause for the ADK memory table."""
enable_hash_sharded_indexes: NotRequired[bool]
"""Create CockroachDB hash-sharded secondary indexes on hot timestamp access paths."""
hash_shard_bucket_count: NotRequired[int]
"""Optional bucket count for CockroachDB hash-sharded secondary indexes."""
enable_storing_indexes: NotRequired[bool]
"""Add CockroachDB STORING columns to common ADK replay/session indexes."""
enable_memory_trigram_index: NotRequired[bool]
"""Create a CockroachDB trigram GIN index for simple ILIKE memory search."""
class CockroachAsyncpgADKStore(BaseAsyncADKStore["CockroachAsyncpgConfig"]):
"""CockroachDB ADK store using asyncpg driver."""
__slots__ = ()
def __init__(self, config: "CockroachAsyncpgConfig") -> None:
super().__init__(config)
async def create_tables(self) -> None:
if not self.create_schema_enabled:
await self.reconcile_schema()
return
async with self._config.provide_session() as driver:
await driver.execute_script(await self._sessions_table_ddl())
await driver.execute_script(await self._events_table_ddl())
await driver.execute_script(await self._app_states_table_ddl())
await driver.execute_script(await self._user_states_table_ddl())
await driver.execute_script(await self._metadata_table_ddl())
async def create_session(
self, session_id: str, app_name: str, user_id: str, state: "dict[str, Any]", owner_id: "Any | None" = None
) -> StoredSession:
params: tuple[Any, ...]
if self._owner_id_column_name:
sql = f"""
INSERT INTO {self._session_table} (id, app_name, user_id, {self._owner_id_column_name}, state, create_time, update_time)
VALUES ($1, $2, $3, $4, $5, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
"""
params = (session_id, app_name, user_id, owner_id, state)
else:
sql = f"""
INSERT INTO {self._session_table} (id, app_name, user_id, state, create_time, update_time)
VALUES ($1, $2, $3, $4, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
"""
params = (session_id, app_name, user_id, state)
async with self._config.provide_connection() as conn:
await conn.execute(sql, *params)
result = await self.get_session(app_name, user_id, session_id)
if result is None:
msg = "Session creation failed"
raise RuntimeError(msg)
return result
async def get_session(
self, app_name: str, user_id: str, session_id: str, *, renew_for: "int | timedelta | None" = None
) -> "StoredSession | None":
if renew_for is not None and self._calculate_expires_at(renew_for) is not None:
sql = f"""
UPDATE {self._session_table}
SET update_time = CURRENT_TIMESTAMP
WHERE app_name = $1 AND user_id = $2 AND id = $3
RETURNING id, app_name, user_id, state, create_time, update_time
"""
params = (app_name, user_id, session_id)
else:
sql = f"""
SELECT id, app_name, user_id, state, create_time, update_time
FROM {self._session_table}
WHERE app_name = $1 AND user_id = $2 AND id = $3
"""
params = (app_name, user_id, session_id)
try:
async with self._config.provide_connection() as conn:
row = await conn.fetchrow(sql, *params)
if row is None:
return None
return StoredSession(
id=row["id"],
app_name=row["app_name"],
user_id=row["user_id"],
state=row["state"],
create_time=row["create_time"],
update_time=row["update_time"],
)
except asyncpg.exceptions.UndefinedTableError:
return None
async def update_session_state(self, app_name: str, user_id: str, session_id: str, state: "dict[str, Any]") -> None:
sql = f"""
UPDATE {self._session_table}
SET state = $1, update_time = CURRENT_TIMESTAMP
WHERE app_name = $2 AND user_id = $3 AND id = $4
"""
async with self._config.provide_connection() as conn:
await conn.execute(sql, state, app_name, user_id, session_id)
async def list_sessions(
self,
app_name: str,
user_id: "str | None" = None,
*,
order_by: "SessionOrderBy" = "update_time",
descending: bool = True,
limit: "int | None" = None,
offset: "int | None" = None,
) -> "list[StoredSession]":
column, direction, page_limit, page_offset = normalize_session_list_options(order_by, descending, limit, offset)
if page_limit == 0:
return []
values: list[Any] = [app_name]
where_clause = "app_name = $1"
if user_id is not None:
values.append(user_id)
where_clause = f"{where_clause} AND user_id = ${len(values)}"
page_clause = ""
if page_limit is not None:
values.append(page_limit)
limit_placeholder = f"${len(values)}"
values.append(page_offset)
page_clause = f"\n LIMIT {limit_placeholder} OFFSET ${len(values)}"
sql = f"""
SELECT id, app_name, user_id, state, create_time, update_time
FROM {self._session_table}
WHERE {where_clause}
ORDER BY {column} {direction}, id {direction}{page_clause}
"""
params: tuple[Any, ...] = tuple(values)
try:
async with self._config.provide_connection() as conn:
rows = await conn.fetch(sql, *params)
except asyncpg.exceptions.UndefinedTableError:
return []
return [
StoredSession(
id=row["id"],
app_name=row["app_name"],
user_id=row["user_id"],
state=row["state"],
create_time=row["create_time"],
update_time=row["update_time"],
)
for row in rows
]
async def delete_session(self, app_name: str, user_id: str, session_id: str) -> None:
sql = f"DELETE FROM {self._session_table} WHERE app_name = $1 AND user_id = $2 AND id = $3"
async with self._config.provide_connection() as conn:
await conn.execute(sql, app_name, user_id, session_id)
async def append_event(self, event_record: StoredEvent) -> None:
sql = f"""
INSERT INTO {self._events_table} (
id, app_name, user_id, session_id, invocation_id, timestamp, event_data
) VALUES ($1, $2, $3, $4, $5, $6, $7)
"""
async with self._config.provide_connection() as conn:
await conn.execute(
sql,
event_record["id"],
event_record["app_name"],
event_record["user_id"],
event_record["session_id"],
event_record["invocation_id"],
event_record["timestamp"],
event_record["event_data"],
)
async def append_event_and_update_state(
self,
event_record: StoredEvent,
app_name: str,
user_id: str,
session_id: str,
state: "dict[str, Any]",
*,
app_state: "dict[str, Any] | None" = None,
user_state: "dict[str, Any] | None" = None,
) -> StoredSession:
insert_sql = f"""
INSERT INTO {self._events_table} (
id, app_name, user_id, session_id, invocation_id, timestamp, event_data
) VALUES ($1, $2, $3, $4, $5, $6, $7)
"""
update_sql = f"""
UPDATE {self._session_table}
SET state = $1, update_time = CURRENT_TIMESTAMP
WHERE app_name = $2 AND user_id = $3 AND id = $4
"""
select_sql = f"""
SELECT id, app_name, user_id, state, create_time, update_time
FROM {self._session_table}
WHERE app_name = $1 AND user_id = $2 AND id = $3
"""
app_upsert_sql = f"""
UPSERT INTO {self._app_state_table} (app_name, state, update_time)
VALUES ($1, $2, CURRENT_TIMESTAMP)
"""
user_upsert_sql = f"""
UPSERT INTO {self._user_state_table} (app_name, user_id, state, update_time)
VALUES ($1, $2, $3, CURRENT_TIMESTAMP)
"""
async with self._config.provide_connection() as conn, conn.transaction():
await conn.execute(
insert_sql,
event_record["id"],
event_record["app_name"],
event_record["user_id"],
event_record["session_id"],
event_record["invocation_id"],
event_record["timestamp"],
event_record["event_data"],
)
result = await conn.execute(update_sql, state, app_name, user_id, session_id)
if result == "UPDATE 0":
msg = f"Session {session_id} not found during append_event_and_update_state."
raise ValueError(msg)
if app_state is not None:
await conn.execute(app_upsert_sql, app_name, app_state)
if user_state is not None:
await conn.execute(user_upsert_sql, app_name, user_id, user_state)
row = await conn.fetchrow(select_sql, app_name, user_id, session_id)
if row is None:
msg = f"Session {session_id} not found during append_event_and_update_state."
raise ValueError(msg)
return StoredSession(
id=row["id"],
app_name=row["app_name"],
user_id=row["user_id"],
state=row["state"],
create_time=row["create_time"],
update_time=row["update_time"],
)
async def get_events(
self,
app_name: str,
user_id: str,
session_id: str,
after_timestamp: "datetime | None" = None,
limit: "int | None" = None,
) -> "list[StoredEvent]":
if limit == 0:
return []
where_clauses = ["s.app_name = $1", "s.user_id = $2", "e.session_id = $3"]
params: list[Any] = [app_name, user_id, session_id]
if after_timestamp is not None:
where_clauses.append(f"e.timestamp > ${len(params) + 1}")
params.append(after_timestamp)
where_clause = " AND ".join(where_clauses)
limit_clause = f" LIMIT ${len(params) + 1}" if limit is not None else ""
if limit is not None:
params.append(limit)
sql = f"""
SELECT e.id, e.session_id, e.invocation_id, e.timestamp, e.event_data, s.app_name, s.user_id
FROM {self._events_table} e
JOIN {self._session_table} s ON e.session_id = s.id
WHERE {where_clause}
ORDER BY e.timestamp ASC{limit_clause}
"""
try:
async with self._config.provide_connection() as conn:
rows = await conn.fetch(sql, *params)
except asyncpg.exceptions.UndefinedTableError:
return []
return [
StoredEvent(
id=row["id"],
session_id=row["session_id"],
invocation_id=row["invocation_id"],
timestamp=row["timestamp"],
event_data=row["event_data"],
app_name=row["app_name"],
user_id=row["user_id"],
)
for row in rows
]
async def delete_expired_events(self, before: "datetime", app_name: "str | None" = None) -> int:
if app_name is not None:
sql = f"DELETE FROM {self._events_table} WHERE timestamp < $1 AND app_name = $2"
params: tuple[Any, ...] = (before, app_name)
else:
sql = f"DELETE FROM {self._events_table} WHERE timestamp < $1"
params = (before,)
try:
async with self._config.provide_connection() as conn:
result = await conn.execute(sql, *params)
return int(result.split()[-1]) if result else 0
except asyncpg.exceptions.UndefinedTableError:
return 0
async def delete_idle_sessions(self, updated_before: "datetime", app_name: "str | None" = None) -> int:
if app_name is not None:
sql = f"DELETE FROM {self._session_table} WHERE update_time < $1 AND app_name = $2"
params: tuple[Any, ...] = (updated_before, app_name)
else:
sql = f"DELETE FROM {self._session_table} WHERE update_time < $1"
params = (updated_before,)
try:
async with self._config.provide_connection() as conn:
result = await conn.execute(sql, *params)
return int(result.split()[-1]) if result else 0
except asyncpg.exceptions.UndefinedTableError:
return 0
async def delete_idle_user_states(self, updated_before: "datetime", app_name: "str | None" = None) -> int:
if app_name is not None:
sql = f"DELETE FROM {self._user_state_table} WHERE update_time < $1 AND app_name = $2"
params: tuple[Any, ...] = (updated_before, app_name)
else:
sql = f"DELETE FROM {self._user_state_table} WHERE update_time < $1"
params = (updated_before,)
try:
async with self._config.provide_connection() as conn:
result = await conn.execute(sql, *params)
return int(result.split()[-1]) if result else 0
except asyncpg.exceptions.UndefinedTableError:
return 0
async def get_app_state(self, app_name: str) -> "dict[str, Any] | None":
sql = f"SELECT state FROM {self._app_state_table} WHERE app_name = $1"
try:
async with self._config.provide_connection() as conn:
row = await conn.fetchrow(sql, app_name)
return row["state"] if row is not None else None
except asyncpg.exceptions.UndefinedTableError:
return None
async def get_user_state(self, app_name: str, user_id: str) -> "dict[str, Any] | None":
sql = f"SELECT state FROM {self._user_state_table} WHERE app_name = $1 AND user_id = $2"
try:
async with self._config.provide_connection() as conn:
row = await conn.fetchrow(sql, app_name, user_id)
return row["state"] if row is not None else None
except asyncpg.exceptions.UndefinedTableError:
return None
async def upsert_app_state(self, app_name: str, state: "dict[str, Any]") -> None:
sql = f"""
UPSERT INTO {self._app_state_table} (app_name, state, update_time)
VALUES ($1, $2, CURRENT_TIMESTAMP)
"""
async with self._config.provide_connection() as conn:
await conn.execute(sql, app_name, state)
async def upsert_user_state(self, app_name: str, user_id: str, state: "dict[str, Any]") -> None:
sql = f"""
UPSERT INTO {self._user_state_table} (app_name, user_id, state, update_time)
VALUES ($1, $2, $3, CURRENT_TIMESTAMP)
"""
async with self._config.provide_connection() as conn:
await conn.execute(sql, app_name, user_id, state)
async def get_metadata(self, key: str) -> "str | None":
sql = f"SELECT value FROM {self._metadata_table} WHERE key = $1"
try:
async with self._config.provide_connection() as conn:
row = await conn.fetchrow(sql, key)
return row["value"] if row is not None else None
except asyncpg.exceptions.UndefinedTableError:
return None
async def set_metadata(self, key: str, value: str) -> None:
sql = f"""
UPSERT INTO {self._metadata_table} (key, value)
VALUES ($1, $2)
"""
async with self._config.provide_connection() as conn:
await conn.execute(sql, key, value)
async def _sessions_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
owner_id_line = ""
if self._owner_id_column_ddl:
owner_id_line = f",\n {self._owner_id_column_ddl}"
session_locality = _cockroach_table_locality_clause(adk_config, "session_table_locality")
hash_shard_clause = _cockroach_hash_shard_clause(adk_config)
session_storing_clause = _cockroach_storing_clause(adk_config, ("state", "create_time", "update_time"))
return f"""
CREATE TABLE IF NOT EXISTS {self._session_table} (
id VARCHAR(128) PRIMARY KEY,
app_name VARCHAR(128) NOT NULL,
user_id VARCHAR(128) NOT NULL{owner_id_line},
state JSONB NOT NULL DEFAULT '{{}}'::jsonb,
create_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
update_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
){session_locality};
CREATE INDEX IF NOT EXISTS idx_{self._session_table}_app_user
ON {self._session_table}(app_name, user_id){session_storing_clause};
CREATE INDEX IF NOT EXISTS idx_{self._session_table}_update_time
ON {self._session_table}(update_time DESC){hash_shard_clause};
CREATE INDEX IF NOT EXISTS idx_{self._session_table}_state
ON {self._session_table} USING GIN (state)
WHERE state != '{{}}'::jsonb;
"""
async def _events_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
events_locality = _cockroach_table_locality_clause(adk_config, "events_table_locality")
hash_shard_clause = _cockroach_hash_shard_clause(adk_config)
events_storing_clause = _cockroach_storing_clause(adk_config, ("invocation_id", "event_data"))
return f"""
CREATE TABLE IF NOT EXISTS {self._events_table} (
id VARCHAR(128) PRIMARY KEY,
app_name VARCHAR(128) NOT NULL,
user_id VARCHAR(128) NOT NULL,
session_id VARCHAR(128) NOT NULL,
invocation_id VARCHAR(256),
timestamp TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
event_data JSONB NOT NULL,
FOREIGN KEY (session_id) REFERENCES {self._session_table}(id) ON DELETE CASCADE
){events_locality};
CREATE INDEX IF NOT EXISTS idx_{self._events_table}_session
ON {self._events_table}(session_id, timestamp ASC){hash_shard_clause}{events_storing_clause};
CREATE INDEX IF NOT EXISTS idx_{self._events_table}_event_data
ON {self._events_table} USING GIN (event_data);
CREATE INDEX IF NOT EXISTS idx_{self._events_table}_app_timestamp
ON {self._events_table}(app_name, timestamp ASC);
"""
async def _app_states_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
app_state_locality = _cockroach_table_locality_clause(adk_config, "app_state_table_locality")
return f"""
CREATE TABLE IF NOT EXISTS {self._app_state_table} (
app_name VARCHAR(128) PRIMARY KEY,
state JSONB NOT NULL DEFAULT '{{}}'::jsonb,
update_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
){app_state_locality};
"""
async def _user_states_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
user_state_locality = _cockroach_table_locality_clause(adk_config, "user_state_table_locality")
return f"""
CREATE TABLE IF NOT EXISTS {self._user_state_table} (
app_name VARCHAR(128) NOT NULL,
user_id VARCHAR(128) NOT NULL,
state JSONB NOT NULL DEFAULT '{{}}'::jsonb,
update_time TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
PRIMARY KEY (app_name, user_id)
){user_state_locality};
"""
async def _metadata_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
metadata_locality = _cockroach_table_locality_clause(adk_config, "metadata_table_locality")
return f"""
CREATE TABLE IF NOT EXISTS {self._metadata_table} (
key VARCHAR(128) PRIMARY KEY,
value VARCHAR(512) NOT NULL
){metadata_locality};
"""
def _drop_app_states_table_sql(self) -> str:
return f"DROP TABLE IF EXISTS {self._app_state_table}"
def _drop_user_states_table_sql(self) -> str:
return f"DROP TABLE IF EXISTS {self._user_state_table}"
def _drop_metadata_table_sql(self) -> str:
return f"DROP TABLE IF EXISTS {self._metadata_table}"
def _drop_tables_sql(self) -> "list[str]":
return [
self._drop_metadata_table_sql(),
self._drop_user_states_table_sql(),
self._drop_app_states_table_sql(),
f"DROP TABLE IF EXISTS {self._events_table}",
f"DROP TABLE IF EXISTS {self._session_table}",
]
class CockroachAsyncpgADKMemoryStore(BaseAsyncADKMemoryStore["CockroachAsyncpgConfig"]):
"""CockroachDB ADK memory store using asyncpg driver."""
__slots__ = ()
def __init__(self, config: "CockroachAsyncpgConfig") -> None:
super().__init__(config)
async def create_tables(self) -> None:
if not self.create_schema_enabled:
await self.reconcile_schema()
return
if not self._enabled:
return
async with self._config.provide_session() as driver:
await driver.execute_script(await self._memory_table_ddl())
async def insert_memory_entries(self, entries: "list[StoredMemory]", owner_id: "object | None" = None) -> int:
if not self._enabled:
msg = "Memory store is disabled"
raise RuntimeError(msg)
if not entries:
return 0
inserted_count = 0
async with self._config.provide_connection() as conn:
for entry in entries:
if self._owner_id_column_name:
sql = f"""
INSERT INTO {self._memory_table}
(id, session_id, app_name, user_id, scope, event_id, author,
{self._owner_id_column_name}, timestamp, content_json,
content_text, metadata_json, inserted_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)
ON CONFLICT (event_id) DO NOTHING
"""
result = await conn.execute(
sql,
entry["id"],
entry["session_id"],
entry["app_name"],
entry["user_id"],
entry.get("scope", "user"),
entry["event_id"],
entry["author"],
owner_id,
entry["timestamp"],
entry["content_json"],
entry["content_text"],
entry["metadata_json"],
entry["inserted_at"],
)
else:
sql = f"""
INSERT INTO {self._memory_table}
(id, session_id, app_name, user_id, scope, event_id, author,
timestamp, content_json, content_text, metadata_json, inserted_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)
ON CONFLICT (event_id) DO NOTHING
"""
result = await conn.execute(
sql,
entry["id"],
entry["session_id"],
entry["app_name"],
entry["user_id"],
entry.get("scope", "user"),
entry["event_id"],
entry["author"],
entry["timestamp"],
entry["content_json"],
entry["content_text"],
entry["metadata_json"],
entry["inserted_at"],
)
if result and result.split()[-1].isdigit() and int(result.split()[-1]) > 0:
inserted_count += 1
return inserted_count
async def search_entries(
self,
query: str,
app_name: str,
user_id: str,
limit: "int | None" = None,
scope_filter: Literal["all", "user", "app"] = "all",
embedding: "Sequence[float] | None" = None,
) -> "list[StoredMemory]":
if not self._enabled:
msg = "Memory store is disabled"
raise RuntimeError(msg)
if not query:
return []
effective_limit = limit if limit is not None else self._max_results
if scope_filter == "all":
where_scope = "app_name = $1 AND ((scope = 'user' AND user_id = $2) OR scope = 'app')"
scope_params: tuple[Any, ...] = (app_name, user_id)
p_lim = "$4"
p_pat = "$3"
elif scope_filter == "user":
where_scope = "app_name = $1 AND scope = 'user' AND user_id = $2"
scope_params = (app_name, user_id)
p_lim = "$4"
p_pat = "$3"
else:
where_scope = "app_name = $1 AND scope = 'app'"
scope_params = (app_name,)
p_lim = "$3"
p_pat = "$2"
if self._use_fts:
sql = f"""
SELECT * FROM {self._memory_table}
WHERE {where_scope}
AND to_tsvector('english', content_text) @@ plainto_tsquery('english', {p_pat})
ORDER BY timestamp DESC
LIMIT {p_lim}
"""
search_param = query
else:
sql = f"""
SELECT * FROM {self._memory_table}
WHERE {where_scope} AND content_text ILIKE {p_pat}
ORDER BY timestamp DESC
LIMIT {p_lim}
"""
search_param = f"%{query}%"
params = (*scope_params, search_param, effective_limit)
async with self._config.provide_connection() as conn:
rows = await conn.fetch(sql, *params)
records: list[StoredMemory] = []
for row in rows:
rec = cast("StoredMemory", dict(row))
rec["embedding"] = None
records.append(rec)
return records
async def delete_entries_by_session(self, session_id: str) -> int:
if not self._enabled:
msg = "Memory store is disabled"
raise RuntimeError(msg)
sql = f"DELETE FROM {self._memory_table} WHERE session_id = $1"
async with self._config.provide_connection() as conn:
result = await conn.execute(sql, session_id)
return int(result.split()[-1]) if result else 0
async def delete_entries_older_than(
self, days: int, app_name: "str | None" = None, scope: "str | None" = None
) -> int:
if not self._enabled:
msg = "Memory store is disabled"
raise RuntimeError(msg)
clauses = [f"inserted_at < (CURRENT_TIMESTAMP - INTERVAL '{days} days')"]
params: list[Any] = []
idx = 1
if app_name is not None:
clauses.append(f"app_name = ${idx}")
params.append(app_name)
idx += 1
if scope is not None:
clauses.append(f"scope = ${idx}")
params.append(scope)
idx += 1
where_sql = " AND ".join(clauses)
sql = f"DELETE FROM {self._memory_table} WHERE {where_sql}"
async with self._config.provide_connection() as conn:
result = await conn.execute(sql, *params)
return int(result.split()[-1]) if result else 0
async def _memory_table_ddl(self) -> str:
adk_config = _adk_config(self._config)
owner_id_line = ""
if self._owner_id_column_ddl:
owner_id_line = f",\n {self._owner_id_column_ddl}"
memory_locality = _cockroach_table_locality_clause(adk_config, "memory_table_locality")
hash_shard_clause = _cockroach_hash_shard_clause(adk_config)
fts_index = ""
if self._use_fts:
fts_index = f"""
CREATE INDEX IF NOT EXISTS idx_{self._memory_table}_fts
ON {self._memory_table} USING GIN (to_tsvector('english', content_text));
"""
trigram_index = ""
if adk_config.get("enable_memory_trigram_index", False):
trigram_index = f"""
CREATE INDEX IF NOT EXISTS idx_{self._memory_table}_content_trgm
ON {self._memory_table} USING GIN (content_text gin_trgm_ops);
"""
return f"""
CREATE TABLE IF NOT EXISTS {self._memory_table} (
id VARCHAR(128) PRIMARY KEY,
session_id VARCHAR(128) NOT NULL,
app_name VARCHAR(128) NOT NULL,
user_id VARCHAR(128) NOT NULL,
scope VARCHAR(16) NOT NULL DEFAULT 'user',
event_id VARCHAR(128) NOT NULL UNIQUE,
author VARCHAR(256){owner_id_line},
timestamp TIMESTAMPTZ NOT NULL,
content_json JSONB NOT NULL,
content_text TEXT NOT NULL,
metadata_json JSONB,
inserted_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
){memory_locality};
CREATE INDEX IF NOT EXISTS idx_{self._memory_table}_app_scope_user_time
ON {self._memory_table}(app_name, scope, user_id, timestamp DESC){hash_shard_clause};
CREATE INDEX IF NOT EXISTS idx_{self._memory_table}_scope
ON {self._memory_table}(app_name, scope);
CREATE INDEX IF NOT EXISTS idx_{self._memory_table}_session
ON {self._memory_table}(session_id);
{fts_index}
{trigram_index}
"""
def _drop_memory_table_sql(self) -> "list[str]":
return [f"DROP TABLE IF EXISTS {self._memory_table}"]
def _adk_config(config: Any) -> CockroachAsyncpgADKConfig:
"""Return CockroachDB asyncpg ADK extension settings from ``extension_config["adk"]``."""
extension_config = getattr(config, "extension_config", {})
if not isinstance(extension_config, dict):
return {}
adk_config = extension_config.get("adk", {})
if not isinstance(adk_config, dict):
return {}
return cast("CockroachAsyncpgADKConfig", adk_config)
def _cockroach_table_locality_clause(adk_config: CockroachAsyncpgADKConfig, table_key: str) -> str:
locality = adk_config.get(table_key) or adk_config.get("table_locality")
if not isinstance(locality, str):
return ""
clause = locality.strip()
if not clause:
return ""
if not clause.upper().startswith("LOCALITY "):
clause = f"LOCALITY {clause}"
return f"\n {clause}"
def _cockroach_hash_shard_clause(adk_config: CockroachAsyncpgADKConfig) -> str:
if not adk_config.get("enable_hash_sharded_indexes", False):
return ""
bucket_count = adk_config.get("hash_shard_bucket_count")
if isinstance(bucket_count, int) and not isinstance(bucket_count, bool) and bucket_count > 0:
return f" USING HASH WITH (bucket_count = {bucket_count})"
return " USING HASH"
def _cockroach_storing_clause(adk_config: CockroachAsyncpgADKConfig, columns: tuple[str, ...]) -> str:
if not adk_config.get("enable_storing_indexes", False):
return ""
return f" STORING ({', '.join(columns)})"
