chore: 添加虚拟环境到仓库

- 添加 backend_service/venv 虚拟环境
- 包含所有Python依赖包
- 注意:虚拟环境约393MB,包含12655个文件
This commit is contained in:
2025-12-03 10:19:25 +08:00
parent a6c2027caa
commit c4f851d387
12655 changed files with 3009376 additions and 0 deletions

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from functools import cached_property
import json
from chromadb.api.configuration import (
ConfigurationParameter,
EmbeddingsQueueConfigurationInternal,
)
from chromadb.db.base import SqlDB, ParameterValue, get_sql
from chromadb.errors import BatchSizeExceededError
from chromadb.ingest import (
Producer,
Consumer,
ConsumerCallbackFn,
decode_vector,
encode_vector,
)
from chromadb.types import (
OperationRecord,
LogRecord,
ScalarEncoding,
SeqId,
Operation,
)
from chromadb.config import System
from chromadb.telemetry.opentelemetry import (
OpenTelemetryClient,
OpenTelemetryGranularity,
trace_method,
)
from overrides import override
from collections import defaultdict
from typing import Sequence, Optional, Dict, Set, Tuple, cast
from uuid import UUID
from pypika import Table, functions
import uuid
import logging
from chromadb.ingest.impl.utils import create_topic_name
logger = logging.getLogger(__name__)
_operation_codes = {
Operation.ADD: 0,
Operation.UPDATE: 1,
Operation.UPSERT: 2,
Operation.DELETE: 3,
}
_operation_codes_inv = {v: k for k, v in _operation_codes.items()}
# Set in conftest.py to rethrow errors in the "async" path during testing
# https://doc.pytest.org/en/latest/example/simple.html#detect-if-running-from-within-a-pytest-run
_called_from_test = False
class SqlEmbeddingsQueue(SqlDB, Producer, Consumer):
"""A SQL database that stores embeddings, allowing a traditional RDBMS to be used as
the primary ingest queue and satisfying the top level Producer/Consumer interfaces.
Note that this class is only suitable for use cases where the producer and consumer
are in the same process.
This is because notification of new embeddings happens solely in-process: this
implementation does not actively listen to the the database for new records added by
other processes.
"""
class Subscription:
id: UUID
topic_name: str
start: int
end: int
callback: ConsumerCallbackFn
def __init__(
self,
id: UUID,
topic_name: str,
start: int,
end: int,
callback: ConsumerCallbackFn,
):
self.id = id
self.topic_name = topic_name
self.start = start
self.end = end
self.callback = callback
_subscriptions: Dict[str, Set[Subscription]]
_max_batch_size: Optional[int]
_tenant: str
_topic_namespace: str
# How many variables are in the insert statement for a single record
VARIABLES_PER_RECORD = 6
def __init__(self, system: System):
self._subscriptions = defaultdict(set)
self._max_batch_size = None
self._opentelemetry_client = system.require(OpenTelemetryClient)
self._tenant = system.settings.require("tenant_id")
self._topic_namespace = system.settings.require("topic_namespace")
super().__init__(system)
@trace_method("SqlEmbeddingsQueue.reset_state", OpenTelemetryGranularity.ALL)
@override
def reset_state(self) -> None:
super().reset_state()
self._subscriptions = defaultdict(set)
# Invalidate the cached property
try:
del self.config
except AttributeError:
# Cached property hasn't been accessed yet
pass
@trace_method("SqlEmbeddingsQueue.delete_topic", OpenTelemetryGranularity.ALL)
@override
def delete_log(self, collection_id: UUID) -> None:
topic_name = create_topic_name(
self._tenant, self._topic_namespace, collection_id
)
t = Table("embeddings_queue")
q = (
self.querybuilder()
.from_(t)
.where(t.topic == ParameterValue(topic_name))
.delete()
)
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
@trace_method("SqlEmbeddingsQueue.purge_log", OpenTelemetryGranularity.ALL)
@override
def purge_log(self, collection_id: UUID) -> None:
# (We need to purge on a per topic/collection basis, because the maximum sequence ID is tracked on a per topic/collection basis.)
segments_t = Table("segments")
segment_ids_q = (
self.querybuilder()
.from_(segments_t)
# This coalesce prevents a correctness bug when > 1 segments exist and:
# - > 1 has written to the max_seq_id table
# - > 1 has not never written to the max_seq_id table
# In that case, we should not delete any WAL entries as we can't be sure that the all segments are caught up.
.select(functions.Coalesce(Table("max_seq_id").seq_id, -1))
.where(
segments_t.collection == ParameterValue(self.uuid_to_db(collection_id))
)
.left_join(Table("max_seq_id"))
.on(segments_t.id == Table("max_seq_id").segment_id)
)
topic_name = create_topic_name(
self._tenant, self._topic_namespace, collection_id
)
with self.tx() as cur:
sql, params = get_sql(segment_ids_q, self.parameter_format())
cur.execute(sql, params)
results = cur.fetchall()
if results:
min_seq_id = min(row[0] for row in results)
else:
return
t = Table("embeddings_queue")
q = (
self.querybuilder()
.from_(t)
.where(t.seq_id < ParameterValue(min_seq_id))
.where(t.topic == ParameterValue(topic_name))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
@trace_method("SqlEmbeddingsQueue.submit_embedding", OpenTelemetryGranularity.ALL)
@override
def submit_embedding(
self, collection_id: UUID, embedding: OperationRecord
) -> SeqId:
if not self._running:
raise RuntimeError("Component not running")
return self.submit_embeddings(collection_id, [embedding])[0]
@trace_method("SqlEmbeddingsQueue.submit_embeddings", OpenTelemetryGranularity.ALL)
@override
def submit_embeddings(
self, collection_id: UUID, embeddings: Sequence[OperationRecord]
) -> Sequence[SeqId]:
if not self._running:
raise RuntimeError("Component not running")
if len(embeddings) == 0:
return []
if len(embeddings) > self.max_batch_size:
raise BatchSizeExceededError(
f"""
Cannot submit more than {self.max_batch_size:,} embeddings at once.
Please submit your embeddings in batches of size
{self.max_batch_size:,} or less.
"""
)
# This creates the persisted configuration if it doesn't exist.
# It should be run as soon as possible (before any WAL mutations) since the default configuration depends on the WAL size.
# (We can't run this in __init__()/start() because the migrations have not been run at that point and the table may not be available.)
_ = self.config
topic_name = create_topic_name(
self._tenant, self._topic_namespace, collection_id
)
t = Table("embeddings_queue")
insert = (
self.querybuilder()
.into(t)
.columns(t.operation, t.topic, t.id, t.vector, t.encoding, t.metadata)
)
id_to_idx: Dict[str, int] = {}
for embedding in embeddings:
(
embedding_bytes,
encoding,
metadata,
) = self._prepare_vector_encoding_metadata(embedding)
insert = insert.insert(
ParameterValue(_operation_codes[embedding["operation"]]),
ParameterValue(topic_name),
ParameterValue(embedding["id"]),
ParameterValue(embedding_bytes),
ParameterValue(encoding),
ParameterValue(metadata),
)
id_to_idx[embedding["id"]] = len(id_to_idx)
with self.tx() as cur:
sql, params = get_sql(insert, self.parameter_format())
# The returning clause does not guarantee order, so we need to do reorder
# the results. https://www.sqlite.org/lang_returning.html
sql = f"{sql} RETURNING seq_id, id" # Pypika doesn't support RETURNING
results = cur.execute(sql, params).fetchall()
# Reorder the results
seq_ids = [cast(SeqId, None)] * len(
results
) # Lie to mypy: https://stackoverflow.com/questions/76694215/python-type-casting-when-preallocating-list
embedding_records = []
for seq_id, id in results:
seq_ids[id_to_idx[id]] = seq_id
submit_embedding_record = embeddings[id_to_idx[id]]
# We allow notifying consumers out of order relative to one call to
# submit_embeddings so we do not reorder the records before submitting them
embedding_record = LogRecord(
log_offset=seq_id,
record=OperationRecord(
id=id,
embedding=submit_embedding_record["embedding"],
encoding=submit_embedding_record["encoding"],
metadata=submit_embedding_record["metadata"],
operation=submit_embedding_record["operation"],
),
)
embedding_records.append(embedding_record)
self._notify_all(topic_name, embedding_records)
if self.config.get_parameter("automatically_purge").value:
self.purge_log(collection_id)
return seq_ids
@trace_method("SqlEmbeddingsQueue.subscribe", OpenTelemetryGranularity.ALL)
@override
def subscribe(
self,
collection_id: UUID,
consume_fn: ConsumerCallbackFn,
start: Optional[SeqId] = None,
end: Optional[SeqId] = None,
id: Optional[UUID] = None,
) -> UUID:
if not self._running:
raise RuntimeError("Component not running")
topic_name = create_topic_name(
self._tenant, self._topic_namespace, collection_id
)
subscription_id = id or uuid.uuid4()
start, end = self._validate_range(start, end)
subscription = self.Subscription(
subscription_id, topic_name, start, end, consume_fn
)
# Backfill first, so if it errors we do not add the subscription
self._backfill(subscription)
self._subscriptions[topic_name].add(subscription)
return subscription_id
@trace_method("SqlEmbeddingsQueue.unsubscribe", OpenTelemetryGranularity.ALL)
@override
def unsubscribe(self, subscription_id: UUID) -> None:
for topic_name, subscriptions in self._subscriptions.items():
for subscription in subscriptions:
if subscription.id == subscription_id:
subscriptions.remove(subscription)
if len(subscriptions) == 0:
del self._subscriptions[topic_name]
return
@override
def min_seqid(self) -> SeqId:
return -1
@override
def max_seqid(self) -> SeqId:
return 2**63 - 1
@property
@trace_method("SqlEmbeddingsQueue.max_batch_size", OpenTelemetryGranularity.ALL)
@override
def max_batch_size(self) -> int:
if self._max_batch_size is None:
with self.tx() as cur:
cur.execute("PRAGMA compile_options;")
compile_options = cur.fetchall()
for option in compile_options:
if "MAX_VARIABLE_NUMBER" in option[0]:
# The pragma returns a string like 'MAX_VARIABLE_NUMBER=999'
self._max_batch_size = int(option[0].split("=")[1]) // (
self.VARIABLES_PER_RECORD
)
if self._max_batch_size is None:
# This value is the default for sqlite3 versions < 3.32.0
# It is the safest value to use if we can't find the pragma for some
# reason
self._max_batch_size = 999 // self.VARIABLES_PER_RECORD
return self._max_batch_size
@trace_method(
"SqlEmbeddingsQueue._prepare_vector_encoding_metadata",
OpenTelemetryGranularity.ALL,
)
def _prepare_vector_encoding_metadata(
self, embedding: OperationRecord
) -> Tuple[Optional[bytes], Optional[str], Optional[str]]:
if embedding["embedding"] is not None:
encoding_type = cast(ScalarEncoding, embedding["encoding"])
encoding = encoding_type.value
embedding_bytes = encode_vector(embedding["embedding"], encoding_type)
else:
embedding_bytes = None
encoding = None
metadata = json.dumps(embedding["metadata"]) if embedding["metadata"] else None
return embedding_bytes, encoding, metadata
@trace_method("SqlEmbeddingsQueue._backfill", OpenTelemetryGranularity.ALL)
def _backfill(self, subscription: Subscription) -> None:
"""Backfill the given subscription with any currently matching records in the
DB"""
t = Table("embeddings_queue")
q = (
self.querybuilder()
.from_(t)
.where(t.topic == ParameterValue(subscription.topic_name))
.where(t.seq_id > ParameterValue(subscription.start))
.where(t.seq_id <= ParameterValue(subscription.end))
.select(t.seq_id, t.operation, t.id, t.vector, t.encoding, t.metadata)
.orderby(t.seq_id)
)
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
rows = cur.fetchall()
for row in rows:
if row[3]:
encoding = ScalarEncoding(row[4])
vector = decode_vector(row[3], encoding)
else:
encoding = None
vector = None
self._notify_one(
subscription,
[
LogRecord(
log_offset=row[0],
record=OperationRecord(
operation=_operation_codes_inv[row[1]],
id=row[2],
embedding=vector,
encoding=encoding,
metadata=json.loads(row[5]) if row[5] else None,
),
)
],
)
@trace_method("SqlEmbeddingsQueue._validate_range", OpenTelemetryGranularity.ALL)
def _validate_range(
self, start: Optional[SeqId], end: Optional[SeqId]
) -> Tuple[int, int]:
"""Validate and normalize the start and end SeqIDs for a subscription using this
impl."""
start = start or self._next_seq_id()
end = end or self.max_seqid()
if not isinstance(start, int) or not isinstance(end, int):
raise TypeError("SeqIDs must be integers for sql-based EmbeddingsDB")
if start >= end:
raise ValueError(f"Invalid SeqID range: {start} to {end}")
return start, end
@trace_method("SqlEmbeddingsQueue._next_seq_id", OpenTelemetryGranularity.ALL)
def _next_seq_id(self) -> int:
"""Get the next SeqID for this database."""
t = Table("embeddings_queue")
q = self.querybuilder().from_(t).select(functions.Max(t.seq_id))
with self.tx() as cur:
cur.execute(q.get_sql())
return int(cur.fetchone()[0]) + 1
@trace_method("SqlEmbeddingsQueue._notify_all", OpenTelemetryGranularity.ALL)
def _notify_all(self, topic: str, embeddings: Sequence[LogRecord]) -> None:
"""Send a notification to each subscriber of the given topic."""
if self._running:
for sub in self._subscriptions[topic]:
self._notify_one(sub, embeddings)
@trace_method("SqlEmbeddingsQueue._notify_one", OpenTelemetryGranularity.ALL)
def _notify_one(self, sub: Subscription, embeddings: Sequence[LogRecord]) -> None:
"""Send a notification to a single subscriber."""
# Filter out any embeddings that are not in the subscription range
should_unsubscribe = False
filtered_embeddings = []
for embedding in embeddings:
if embedding["log_offset"] <= sub.start:
continue
if embedding["log_offset"] > sub.end:
should_unsubscribe = True
break
filtered_embeddings.append(embedding)
# Log errors instead of throwing them to preserve async semantics
# for consistency between local and distributed configurations
try:
if len(filtered_embeddings) > 0:
sub.callback(filtered_embeddings)
if should_unsubscribe:
self.unsubscribe(sub.id)
except BaseException as e:
logger.error(
f"Exception occurred invoking consumer for subscription {sub.id.hex}"
+ f"to topic {sub.topic_name} %s",
str(e),
)
if _called_from_test:
raise e
@cached_property
def config(self) -> EmbeddingsQueueConfigurationInternal:
t = Table("embeddings_queue_config")
q = self.querybuilder().from_(t).select(t.config_json_str).limit(1)
with self.tx() as cur:
cur.execute(q.get_sql())
result = cur.fetchone()
if result is None:
is_fresh_system = self._get_wal_size() == 0
config = EmbeddingsQueueConfigurationInternal(
[ConfigurationParameter("automatically_purge", is_fresh_system)]
)
self.set_config(config)
return config
return EmbeddingsQueueConfigurationInternal.from_json_str(result[0])
def set_config(self, config: EmbeddingsQueueConfigurationInternal) -> None:
with self.tx() as cur:
cur.execute(
"""
INSERT OR REPLACE INTO embeddings_queue_config (id, config_json_str)
VALUES (?, ?)
""",
(
1,
config.to_json_str(),
),
)
# Invalidate the cached property
try:
del self.config
except AttributeError:
# Cached property hasn't been accessed yet
pass
def _get_wal_size(self) -> int:
t = Table("embeddings_queue")
q = self.querybuilder().from_(t).select(functions.Count("*"))
with self.tx() as cur:
cur.execute(q.get_sql())
return int(cur.fetchone()[0])

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import logging
import sys
from typing import Optional, Sequence, Any, Tuple, cast, Dict, Union, Set
from uuid import UUID
from overrides import override
from pypika import Table, Column
from itertools import groupby
from chromadb.api.types import Schema
from chromadb.config import DEFAULT_DATABASE, DEFAULT_TENANT, System
from chromadb.db.base import Cursor, SqlDB, ParameterValue, get_sql
from chromadb.db.system import SysDB
from chromadb.errors import (
NotFoundError,
UniqueConstraintError,
)
from chromadb.telemetry.opentelemetry import (
add_attributes_to_current_span,
OpenTelemetryClient,
OpenTelemetryGranularity,
trace_method,
)
from chromadb.ingest import Producer
from chromadb.types import (
CollectionAndSegments,
Database,
OptionalArgument,
Segment,
Metadata,
Collection,
SegmentScope,
Tenant,
Unspecified,
UpdateMetadata,
)
from chromadb.api.collection_configuration import (
CreateCollectionConfiguration,
UpdateCollectionConfiguration,
create_collection_configuration_to_json_str,
load_collection_configuration_from_json_str,
CollectionConfiguration,
create_collection_configuration_to_json,
collection_configuration_to_json,
collection_configuration_to_json_str,
overwrite_collection_configuration,
update_collection_configuration_from_legacy_update_metadata,
CollectionMetadata,
)
logger = logging.getLogger(__name__)
class SqlSysDB(SqlDB, SysDB):
# Used only to delete log streams on collection deletion.
# TODO: refactor to remove this dependency into a separate interface
_producer: Producer
def __init__(self, system: System):
super().__init__(system)
self._opentelemetry_client = system.require(OpenTelemetryClient)
@trace_method("SqlSysDB.create_segment", OpenTelemetryGranularity.ALL)
@override
def start(self) -> None:
super().start()
self._producer = self._system.instance(Producer)
@override
def create_database(
self, id: UUID, name: str, tenant: str = DEFAULT_TENANT
) -> None:
with self.tx() as cur:
# Get the tenant id for the tenant name and then insert the database with the id, name and tenant id
databases = Table("databases")
tenants = Table("tenants")
insert_database = (
self.querybuilder()
.into(databases)
.columns(databases.id, databases.name, databases.tenant_id)
.insert(
ParameterValue(self.uuid_to_db(id)),
ParameterValue(name),
self.querybuilder()
.select(tenants.id)
.from_(tenants)
.where(tenants.id == ParameterValue(tenant)),
)
)
sql, params = get_sql(insert_database, self.parameter_format())
try:
cur.execute(sql, params)
except self.unique_constraint_error() as e:
raise UniqueConstraintError(
f"Database {name} already exists for tenant {tenant}"
) from e
@override
def get_database(self, name: str, tenant: str = DEFAULT_TENANT) -> Database:
with self.tx() as cur:
databases = Table("databases")
q = (
self.querybuilder()
.from_(databases)
.select(databases.id, databases.name)
.where(databases.name == ParameterValue(name))
.where(databases.tenant_id == ParameterValue(tenant))
)
sql, params = get_sql(q, self.parameter_format())
row = cur.execute(sql, params).fetchone()
if not row:
raise NotFoundError(
f"Database {name} not found for tenant {tenant}. Are you sure it exists?"
)
if row[0] is None:
raise NotFoundError(
f"Database {name} not found for tenant {tenant}. Are you sure it exists?"
)
id: UUID = cast(UUID, self.uuid_from_db(row[0]))
return Database(
id=id,
name=row[1],
tenant=tenant,
)
@override
def delete_database(self, name: str, tenant: str = DEFAULT_TENANT) -> None:
with self.tx() as cur:
databases = Table("databases")
q = (
self.querybuilder()
.from_(databases)
.where(databases.name == ParameterValue(name))
.where(databases.tenant_id == ParameterValue(tenant))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
sql = sql + " RETURNING id"
result = cur.execute(sql, params).fetchone()
if not result:
raise NotFoundError(f"Database {name} not found for tenant {tenant}")
# As of 01/09/2025, cascading deletes don't work because foreign keys are not enabled.
# See https://github.com/chroma-core/chroma/issues/3456.
collections = Table("collections")
q = (
self.querybuilder()
.from_(collections)
.where(collections.database_id == ParameterValue(result[0]))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
@override
def list_databases(
self,
limit: Optional[int] = None,
offset: Optional[int] = None,
tenant: str = DEFAULT_TENANT,
) -> Sequence[Database]:
with self.tx() as cur:
databases = Table("databases")
q = (
self.querybuilder()
.from_(databases)
.select(databases.id, databases.name)
.where(databases.tenant_id == ParameterValue(tenant))
.offset(offset)
.limit(
sys.maxsize if limit is None else limit
) # SQLite requires that a limit is provided to use offset
.orderby(databases.created_at)
)
sql, params = get_sql(q, self.parameter_format())
rows = cur.execute(sql, params).fetchall()
return [
Database(
id=cast(UUID, self.uuid_from_db(row[0])),
name=row[1],
tenant=tenant,
)
for row in rows
]
@override
def create_tenant(self, name: str) -> None:
with self.tx() as cur:
tenants = Table("tenants")
insert_tenant = (
self.querybuilder()
.into(tenants)
.columns(tenants.id)
.insert(ParameterValue(name))
)
sql, params = get_sql(insert_tenant, self.parameter_format())
try:
cur.execute(sql, params)
except self.unique_constraint_error() as e:
raise UniqueConstraintError(f"Tenant {name} already exists") from e
@override
def get_tenant(self, name: str) -> Tenant:
with self.tx() as cur:
tenants = Table("tenants")
q = (
self.querybuilder()
.from_(tenants)
.select(tenants.id)
.where(tenants.id == ParameterValue(name))
)
sql, params = get_sql(q, self.parameter_format())
row = cur.execute(sql, params).fetchone()
if not row:
raise NotFoundError(f"Tenant {name} not found")
return Tenant(name=name)
# Create a segment using the passed cursor, so that the other changes
# can be in the same transaction.
def create_segment_with_tx(self, cur: Cursor, segment: Segment) -> None:
add_attributes_to_current_span(
{
"segment_id": str(segment["id"]),
"segment_type": segment["type"],
"segment_scope": segment["scope"].value,
"collection": str(segment["collection"]),
}
)
segments = Table("segments")
insert_segment = (
self.querybuilder()
.into(segments)
.columns(
segments.id,
segments.type,
segments.scope,
segments.collection,
)
.insert(
ParameterValue(self.uuid_to_db(segment["id"])),
ParameterValue(segment["type"]),
ParameterValue(segment["scope"].value),
ParameterValue(self.uuid_to_db(segment["collection"])),
)
)
sql, params = get_sql(insert_segment, self.parameter_format())
try:
cur.execute(sql, params)
except self.unique_constraint_error() as e:
raise UniqueConstraintError(
f"Segment {segment['id']} already exists"
) from e
# Insert segment metadata if it exists
metadata_t = Table("segment_metadata")
if segment["metadata"]:
try:
self._insert_metadata(
cur,
metadata_t,
metadata_t.segment_id,
segment["id"],
segment["metadata"],
)
except Exception as e:
logger.error(f"Error inserting segment metadata: {e}")
raise
# TODO(rohit): Investigate and remove this method completely.
@trace_method("SqlSysDB.create_segment", OpenTelemetryGranularity.ALL)
@override
def create_segment(self, segment: Segment) -> None:
with self.tx() as cur:
self.create_segment_with_tx(cur, segment)
@trace_method("SqlSysDB.create_collection", OpenTelemetryGranularity.ALL)
@override
def create_collection(
self,
id: UUID,
name: str,
schema: Optional[Schema],
configuration: CreateCollectionConfiguration,
segments: Sequence[Segment],
metadata: Optional[Metadata] = None,
dimension: Optional[int] = None,
get_or_create: bool = False,
tenant: str = DEFAULT_TENANT,
database: str = DEFAULT_DATABASE,
) -> Tuple[Collection, bool]:
if id is None and not get_or_create:
raise ValueError("id must be specified if get_or_create is False")
add_attributes_to_current_span(
{
"collection_id": str(id),
"collection_name": name,
}
)
existing = self.get_collections(name=name, tenant=tenant, database=database)
if existing:
if get_or_create:
collection = existing[0]
return (
self.get_collections(
id=collection.id, tenant=tenant, database=database
)[0],
False,
)
else:
raise UniqueConstraintError(f"Collection {name} already exists")
collection = Collection(
id=id,
name=name,
configuration_json=create_collection_configuration_to_json(
configuration, cast(CollectionMetadata, metadata)
),
serialized_schema=None,
metadata=metadata,
dimension=dimension,
tenant=tenant,
database=database,
version=0,
)
with self.tx() as cur:
collections = Table("collections")
databases = Table("databases")
insert_collection = (
self.querybuilder()
.into(collections)
.columns(
collections.id,
collections.name,
collections.config_json_str,
collections.dimension,
collections.database_id,
)
.insert(
ParameterValue(self.uuid_to_db(collection["id"])),
ParameterValue(collection["name"]),
ParameterValue(
create_collection_configuration_to_json_str(
configuration, cast(CollectionMetadata, metadata)
)
),
ParameterValue(collection["dimension"]),
# Get the database id for the database with the given name and tenant
self.querybuilder()
.select(databases.id)
.from_(databases)
.where(databases.name == ParameterValue(database))
.where(databases.tenant_id == ParameterValue(tenant)),
)
)
sql, params = get_sql(insert_collection, self.parameter_format())
try:
cur.execute(sql, params)
except self.unique_constraint_error() as e:
raise UniqueConstraintError(
f"Collection {collection['id']} already exists"
) from e
metadata_t = Table("collection_metadata")
if collection["metadata"]:
self._insert_metadata(
cur,
metadata_t,
metadata_t.collection_id,
collection.id,
collection["metadata"],
)
for segment in segments:
self.create_segment_with_tx(cur, segment)
return collection, True
@trace_method("SqlSysDB.get_segments", OpenTelemetryGranularity.ALL)
@override
def get_segments(
self,
collection: UUID,
id: Optional[UUID] = None,
type: Optional[str] = None,
scope: Optional[SegmentScope] = None,
) -> Sequence[Segment]:
add_attributes_to_current_span(
{
"segment_id": str(id),
"segment_type": type if type else "",
"segment_scope": scope.value if scope else "",
"collection": str(collection),
}
)
segments_t = Table("segments")
metadata_t = Table("segment_metadata")
q = (
self.querybuilder()
.from_(segments_t)
.select(
segments_t.id,
segments_t.type,
segments_t.scope,
segments_t.collection,
metadata_t.key,
metadata_t.str_value,
metadata_t.int_value,
metadata_t.float_value,
metadata_t.bool_value,
)
.left_join(metadata_t)
.on(segments_t.id == metadata_t.segment_id)
.orderby(segments_t.id)
)
if id:
q = q.where(segments_t.id == ParameterValue(self.uuid_to_db(id)))
if type:
q = q.where(segments_t.type == ParameterValue(type))
if scope:
q = q.where(segments_t.scope == ParameterValue(scope.value))
if collection:
q = q.where(
segments_t.collection == ParameterValue(self.uuid_to_db(collection))
)
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
rows = cur.execute(sql, params).fetchall()
by_segment = groupby(rows, lambda r: cast(object, r[0]))
segments = []
for segment_id, segment_rows in by_segment:
id = self.uuid_from_db(str(segment_id))
rows = list(segment_rows)
type = str(rows[0][1])
scope = SegmentScope(str(rows[0][2]))
collection = self.uuid_from_db(rows[0][3]) # type: ignore[assignment]
metadata = self._metadata_from_rows(rows)
segments.append(
Segment(
id=cast(UUID, id),
type=type,
scope=scope,
collection=collection,
metadata=metadata,
file_paths={},
)
)
return segments
@trace_method("SqlSysDB.get_collections", OpenTelemetryGranularity.ALL)
@override
def get_collections(
self,
id: Optional[UUID] = None,
name: Optional[str] = None,
tenant: str = DEFAULT_TENANT,
database: str = DEFAULT_DATABASE,
limit: Optional[int] = None,
offset: Optional[int] = None,
) -> Sequence[Collection]:
"""Get collections by name, embedding function and/or metadata"""
if name is not None and (tenant is None or database is None):
raise ValueError(
"If name is specified, tenant and database must also be specified in order to uniquely identify the collection"
)
add_attributes_to_current_span(
{
"collection_id": str(id),
"collection_name": name if name else "",
}
)
collections_t = Table("collections")
metadata_t = Table("collection_metadata")
databases_t = Table("databases")
q = (
self.querybuilder()
.from_(collections_t)
.select(
collections_t.id,
collections_t.name,
collections_t.config_json_str,
collections_t.dimension,
databases_t.name,
databases_t.tenant_id,
metadata_t.key,
metadata_t.str_value,
metadata_t.int_value,
metadata_t.float_value,
metadata_t.bool_value,
)
.left_join(metadata_t)
.on(collections_t.id == metadata_t.collection_id)
.left_join(databases_t)
.on(collections_t.database_id == databases_t.id)
.orderby(collections_t.id)
)
if id:
q = q.where(collections_t.id == ParameterValue(self.uuid_to_db(id)))
if name:
q = q.where(collections_t.name == ParameterValue(name))
# Only if we have a name, tenant and database do we need to filter databases
# Given an id, we can uniquely identify the collection so we don't need to filter databases
if id is None and tenant and database:
databases_t = Table("databases")
q = q.where(
collections_t.database_id
== self.querybuilder()
.select(databases_t.id)
.from_(databases_t)
.where(databases_t.name == ParameterValue(database))
.where(databases_t.tenant_id == ParameterValue(tenant))
)
# cant set limit and offset here because this is metadata and we havent reduced yet
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
rows = cur.execute(sql, params).fetchall()
by_collection = groupby(rows, lambda r: cast(object, r[0]))
collections = []
for collection_id, collection_rows in by_collection:
id = self.uuid_from_db(str(collection_id))
rows = list(collection_rows)
name = str(rows[0][1])
metadata = self._metadata_from_rows(rows)
dimension = int(rows[0][3]) if rows[0][3] else None
if rows[0][2] is not None:
configuration = load_collection_configuration_from_json_str(
rows[0][2]
)
else:
# 07/2024: This is a legacy case where we don't have a collection
# configuration stored in the database. This non-destructively migrates
# the collection to have a configuration, and takes into account any
# HNSW params that might be in the existing metadata.
configuration = self._insert_config_from_legacy_params(
collection_id, metadata
)
collections.append(
Collection(
id=cast(UUID, id),
name=name,
configuration_json=collection_configuration_to_json(
configuration
),
serialized_schema=None,
metadata=metadata,
dimension=dimension,
tenant=str(rows[0][5]),
database=str(rows[0][4]),
version=0,
)
)
# apply limit and offset
if limit is not None:
if offset is None:
offset = 0
collections = collections[offset : offset + limit]
else:
collections = collections[offset:]
return collections
@override
def get_collection_with_segments(
self, collection_id: UUID
) -> CollectionAndSegments:
collections = self.get_collections(id=collection_id)
if len(collections) == 0:
raise NotFoundError(f"Collection {collection_id} does not exist.")
return CollectionAndSegments(
collection=collections[0],
segments=self.get_segments(collection=collection_id),
)
@trace_method("SqlSysDB.delete_segment", OpenTelemetryGranularity.ALL)
@override
def delete_segment(self, collection: UUID, id: UUID) -> None:
"""Delete a segment from the SysDB"""
add_attributes_to_current_span(
{
"segment_id": str(id),
}
)
t = Table("segments")
q = (
self.querybuilder()
.from_(t)
.where(t.id == ParameterValue(self.uuid_to_db(id)))
.delete()
)
with self.tx() as cur:
# no need for explicit del from metadata table because of ON DELETE CASCADE
sql, params = get_sql(q, self.parameter_format())
sql = sql + " RETURNING id"
result = cur.execute(sql, params).fetchone()
if not result:
raise NotFoundError(f"Segment {id} not found")
# Used by delete_collection to delete all segments for a collection along with
# the collection itself in a single transaction.
def delete_segments_for_collection(self, cur: Cursor, collection: UUID) -> None:
segments_t = Table("segments")
q = (
self.querybuilder()
.from_(segments_t)
.where(segments_t.collection == ParameterValue(self.uuid_to_db(collection)))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
@trace_method("SqlSysDB.delete_collection", OpenTelemetryGranularity.ALL)
@override
def delete_collection(
self,
id: UUID,
tenant: str = DEFAULT_TENANT,
database: str = DEFAULT_DATABASE,
) -> None:
"""Delete a collection and all associated segments from the SysDB. Deletes
the log stream for this collection as well."""
add_attributes_to_current_span(
{
"collection_id": str(id),
}
)
t = Table("collections")
databases_t = Table("databases")
q = (
self.querybuilder()
.from_(t)
.where(t.id == ParameterValue(self.uuid_to_db(id)))
.where(
t.database_id
== self.querybuilder()
.select(databases_t.id)
.from_(databases_t)
.where(databases_t.name == ParameterValue(database))
.where(databases_t.tenant_id == ParameterValue(tenant))
)
.delete()
)
with self.tx() as cur:
# no need for explicit del from metadata table because of ON DELETE CASCADE
sql, params = get_sql(q, self.parameter_format())
sql = sql + " RETURNING id"
result = cur.execute(sql, params).fetchone()
if not result:
raise NotFoundError(f"Collection {id} not found")
# Delete segments.
self.delete_segments_for_collection(cur, id)
self._producer.delete_log(result[0])
@trace_method("SqlSysDB.update_segment", OpenTelemetryGranularity.ALL)
@override
def update_segment(
self,
collection: UUID,
id: UUID,
metadata: OptionalArgument[Optional[UpdateMetadata]] = Unspecified(),
) -> None:
add_attributes_to_current_span(
{
"segment_id": str(id),
"collection": str(collection),
}
)
segments_t = Table("segments")
metadata_t = Table("segment_metadata")
q = (
self.querybuilder()
.update(segments_t)
.where(segments_t.id == ParameterValue(self.uuid_to_db(id)))
.set(segments_t.collection, ParameterValue(self.uuid_to_db(collection)))
)
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
if sql: # pypika emits a blank string if nothing to do
cur.execute(sql, params)
if metadata is None:
q = (
self.querybuilder()
.from_(metadata_t)
.where(metadata_t.segment_id == ParameterValue(self.uuid_to_db(id)))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
elif metadata != Unspecified():
metadata = cast(UpdateMetadata, metadata)
metadata = cast(UpdateMetadata, metadata)
self._insert_metadata(
cur,
metadata_t,
metadata_t.segment_id,
id,
metadata,
set(metadata.keys()),
)
@trace_method("SqlSysDB.update_collection", OpenTelemetryGranularity.ALL)
@override
def update_collection(
self,
id: UUID,
name: OptionalArgument[str] = Unspecified(),
dimension: OptionalArgument[Optional[int]] = Unspecified(),
metadata: OptionalArgument[Optional[UpdateMetadata]] = Unspecified(),
configuration: OptionalArgument[
Optional[UpdateCollectionConfiguration]
] = Unspecified(),
) -> None:
add_attributes_to_current_span(
{
"collection_id": str(id),
}
)
collections_t = Table("collections")
metadata_t = Table("collection_metadata")
q = (
self.querybuilder()
.update(collections_t)
.where(collections_t.id == ParameterValue(self.uuid_to_db(id)))
)
if not name == Unspecified():
q = q.set(collections_t.name, ParameterValue(name))
if not dimension == Unspecified():
q = q.set(collections_t.dimension, ParameterValue(dimension))
with self.tx() as cur:
sql, params = get_sql(q, self.parameter_format())
if sql: # pypika emits a blank string if nothing to do
sql = sql + " RETURNING id"
result = cur.execute(sql, params)
if not result.fetchone():
raise NotFoundError(f"Collection {id} not found")
# TODO: Update to use better semantics where it's possible to update
# individual keys without wiping all the existing metadata.
# For now, follow current legancy semantics where metadata is fully reset
if metadata != Unspecified():
q = (
self.querybuilder()
.from_(metadata_t)
.where(
metadata_t.collection_id == ParameterValue(self.uuid_to_db(id))
)
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
if metadata is not None:
metadata = cast(UpdateMetadata, metadata)
self._insert_metadata(
cur,
metadata_t,
metadata_t.collection_id,
id,
metadata,
set(metadata.keys()),
)
if configuration != Unspecified():
update_configuration = cast(
UpdateCollectionConfiguration, configuration
)
self._update_config_json_str(cur, update_configuration, id)
else:
if metadata != Unspecified():
metadata = cast(UpdateMetadata, metadata)
if metadata is not None:
update_configuration = (
update_collection_configuration_from_legacy_update_metadata(
metadata
)
)
self._update_config_json_str(cur, update_configuration, id)
def _update_config_json_str(
self, cur: Cursor, update_configuration: UpdateCollectionConfiguration, id: UUID
) -> None:
collections_t = Table("collections")
q = (
self.querybuilder()
.from_(collections_t)
.select(collections_t.config_json_str)
.where(collections_t.id == ParameterValue(self.uuid_to_db(id)))
)
sql, params = get_sql(q, self.parameter_format())
row = cur.execute(sql, params).fetchone()
if not row:
raise NotFoundError(f"Collection {id} not found")
config_json_str = row[0]
existing_config = load_collection_configuration_from_json_str(config_json_str)
new_config = overwrite_collection_configuration(
existing_config, update_configuration
)
q = (
self.querybuilder()
.update(collections_t)
.set(
collections_t.config_json_str,
ParameterValue(collection_configuration_to_json_str(new_config)),
)
.where(collections_t.id == ParameterValue(self.uuid_to_db(id)))
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
@trace_method("SqlSysDB._metadata_from_rows", OpenTelemetryGranularity.ALL)
def _metadata_from_rows(
self, rows: Sequence[Tuple[Any, ...]]
) -> Optional[Metadata]:
"""Given SQL rows, return a metadata map (assuming that the last four columns
are the key, str_value, int_value & float_value)"""
add_attributes_to_current_span(
{
"num_rows": len(rows),
}
)
metadata: Dict[str, Union[str, int, float, bool]] = {}
for row in rows:
key = str(row[-5])
if row[-4] is not None:
metadata[key] = str(row[-4])
elif row[-3] is not None:
metadata[key] = int(row[-3])
elif row[-2] is not None:
metadata[key] = float(row[-2])
elif row[-1] is not None:
metadata[key] = bool(row[-1])
return metadata or None
@trace_method("SqlSysDB._insert_metadata", OpenTelemetryGranularity.ALL)
def _insert_metadata(
self,
cur: Cursor,
table: Table,
id_col: Column,
id: UUID,
metadata: UpdateMetadata,
clear_keys: Optional[Set[str]] = None,
) -> None:
# It would be cleaner to use something like ON CONFLICT UPDATE here But that is
# very difficult to do in a portable way (e.g sqlite and postgres have
# completely different sytnax)
add_attributes_to_current_span(
{
"num_keys": len(metadata),
}
)
if clear_keys:
q = (
self.querybuilder()
.from_(table)
.where(id_col == ParameterValue(self.uuid_to_db(id)))
.where(table.key.isin([ParameterValue(k) for k in clear_keys]))
.delete()
)
sql, params = get_sql(q, self.parameter_format())
cur.execute(sql, params)
q = (
self.querybuilder()
.into(table)
.columns(
id_col,
table.key,
table.str_value,
table.int_value,
table.float_value,
table.bool_value,
)
)
sql_id = self.uuid_to_db(id)
for k, v in metadata.items():
# Note: The order is important here because isinstance(v, bool)
# and isinstance(v, int) both are true for v of bool type.
if isinstance(v, bool):
q = q.insert(
ParameterValue(sql_id),
ParameterValue(k),
None,
None,
None,
ParameterValue(int(v)),
)
elif isinstance(v, str):
q = q.insert(
ParameterValue(sql_id),
ParameterValue(k),
ParameterValue(v),
None,
None,
None,
)
elif isinstance(v, int):
q = q.insert(
ParameterValue(sql_id),
ParameterValue(k),
None,
ParameterValue(v),
None,
None,
)
elif isinstance(v, float):
q = q.insert(
ParameterValue(sql_id),
ParameterValue(k),
None,
None,
ParameterValue(v),
None,
)
elif v is None:
continue
sql, params = get_sql(q, self.parameter_format())
if sql:
cur.execute(sql, params)
def _insert_config_from_legacy_params(
self, collection_id: Any, metadata: Optional[Metadata]
) -> CollectionConfiguration:
"""Insert the configuration from legacy metadata params into the collections table, and return the configuration object."""
# This is a legacy case where we don't have configuration stored in the database
# This is non-destructive, we don't delete or overwrite any keys in the metadata
collections_t = Table("collections")
create_collection_config = CreateCollectionConfiguration()
# Write the configuration into the database
configuration_json_str = create_collection_configuration_to_json_str(
create_collection_config, cast(CollectionMetadata, metadata)
)
q = (
self.querybuilder()
.update(collections_t)
.set(
collections_t.config_json_str,
ParameterValue(configuration_json_str),
)
.where(collections_t.id == ParameterValue(collection_id))
)
sql, params = get_sql(q, self.parameter_format())
with self.tx() as cur:
cur.execute(sql, params)
return load_collection_configuration_from_json_str(configuration_json_str)
@override
def get_collection_size(self, id: UUID) -> int:
raise NotImplementedError
@override
def count_collections(
self,
tenant: str = DEFAULT_TENANT,
database: Optional[str] = None,
) -> int:
"""Gets the number of collections for the (tenant, database) combination."""
# TODO(Sanket): Implement this efficiently using a count query.
# Note, the underlying get_collections api always requires a database
# to be specified. In the sysdb implementation in go code, it does not
# filter on database if it is set to "". This is a bad API and
# should be fixed. For now, we will replicate the behavior.
request_database: str = "" if database is None or database == "" else database
return len(self.get_collections(tenant=tenant, database=request_database))