fix: Add support for SQLite and PostgreSQL for inserting data in SQLAlchemyAdapter

cognee/infrastructure/databases/relational/sqlalchemy/SqlAlchemyAdapter.py

@@ -77,14 +77,37 @@ class SQLAlchemyAdapter:
                     text(f"DROP TABLE IF EXISTS {schema_name}.{table_name} CASCADE;")
                 )
 
-    async def insert_data(self, schema_name: str, table_name: str, data: list[dict]):
-        columns = ", ".join(data[0].keys())
-        values = ", ".join([f"({', '.join([f':{key}' for key in row.keys()])})" for row in data])
-        insert_query = text(f"INSERT INTO {schema_name}.{table_name} ({columns}) VALUES {values};")
+    async def insert_data(
+        self,
+        table_name: str,
+        data: list[dict],
+        schema_name: Optional[str] = "public",
+    ) -> int:
+        """
+        Insert data into specified table using SQLAlchemy Core with batch optimization
+        Returns number of inserted rows
+        """
+        if not data:
+            logger.info("No data provided for insertion")
+            return 0
 
-        async with self.engine.begin() as connection:
-            await connection.execute(insert_query, data)
-            await connection.close()
+        try:
+            # Dialect-agnostic table reference
+            if self.engine.dialect.name == "sqlite":
+                table = await self.get_table(table_name)  # SQLite ignores schemas
+            else:
+                table = await self.get_table(table_name, schema_name)
+
+            # Use SQLAlchemy Core insert with execution options
+            async with self.engine.begin() as conn:
+                result = await conn.execute(table.insert().values(data))
+
+                # Return rowcount for validation
+                return result.rowcount
+
+        except Exception as e:
+            logger.error(f"Insert failed: {str(e)}")
+            raise e  # Re-raise for error handling upstream
 
     async def get_schema_list(self) -> List[str]:
         """