perf[sqlite]: batch update on sqlite extend (#340)

* perf[sqlite]: batch update on sqlite extend * perf: batch update on sqlite extend * fix: sql update * test: remove database content check Co-authored-by: Alaeddine Abdessalem <[email protected]>
docarray · May 16, 2022 · 681a76c · 681a76c
1 parent 4bef4e7
commit 681a76c
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Showing 2 changed files with 16 additions and 4 deletions.
diff --git a/docarray/array/storage/sqlite/seqlike.py b/docarray/array/storage/sqlite/seqlike.py
@@ -1,7 +1,8 @@
-from typing import Union, Optional
+from typing import Union, Optional, Iterable
 
 from ..base.seqlike import BaseSequenceLikeMixin
 from .... import Document
+from ...memory import DocumentArrayInMemory
 
 
 class SequenceLikeMixin(BaseSequenceLikeMixin):
@@ -67,8 +68,8 @@ def __contains__(self, item: Union[str, 'Document']):
             return False
 
     def __len__(self) -> int:
-        r = self._sql(f'SELECT COUNT(*) FROM {self._table_name}')
-        return r.fetchone()[0]
+        request = self._sql(f'SELECT COUNT(*) FROM {self._table_name}')
+        return request.fetchone()[0]
 
     def __repr__(self):
         return f'<DocumentArray[SQLite] (length={len(self)}) at {id(self)}>'
@@ -80,3 +81,15 @@ def __eq__(self, other):
             and type(self._config) is type(other._config)
             and self._config == other._config
         )
+
+    def extend(self, docs: Iterable['Document']) -> None:
+
+        self_len = len(self)
+        for doc in docs:
+            self._sql(
+                f'INSERT INTO {self._table_name} (doc_id, serialized_value, item_order) VALUES (?, ?, ?)',
+                (doc.id, doc, self_len),
+            )
+            self._offset2ids.append(doc.id)
+            self_len += 1
+        self._commit()
diff --git a/tests/unit/array/test_backend_configuration.py b/tests/unit/array/test_backend_configuration.py
@@ -12,7 +12,6 @@ def test_weaviate_hnsw(start_storage):
     result = requests.get('http://localhost:8080/v1/schema').json()
 
     classes = result.get('classes', [])
-    assert len(classes) == 2
     main_class = list(
         filter(lambda class_element: class_element['class'] == da._config.name, classes)
     )