Preprocessing of SQL files.
"""
from typing import Set, Dict, Any, cast
+
import jinja2
-from .connection import Connection
-from .async_connection import WorkerPool
+from .connection import Connection, server_version_tuple, postgis_version_tuple
from ..config import Configuration
+from ..db.query_pool import QueryPool
def _get_partitions(conn: Connection) -> Set[int]:
""" Get the set of partitions currently in use.
""" Set up a dictionary with various optional Postgresql/Postgis features that
depend on the database version.
"""
- pg_version = conn.server_version_tuple()
- postgis_version = conn.postgis_version_tuple()
+ pg_version = server_version_tuple(conn)
+ postgis_version = postgis_version_tuple(conn)
pg11plus = pg_version >= (11, 0, 0)
ps3 = postgis_version >= (3, 0)
return {
conn.commit()
- def run_parallel_sql_file(self, dsn: str, name: str, num_threads: int = 1,
- **kwargs: Any) -> None:
+ async def run_parallel_sql_file(self, dsn: str, name: str, num_threads: int = 1,
+ **kwargs: Any) -> None:
""" Execute the given SQL files using parallel asynchronous connections.
The keyword arguments may supply additional parameters for
preprocessing.
parts = sql.split('\n---\n')
- with WorkerPool(dsn, num_threads) as pool:
+ async with QueryPool(dsn, num_threads) as pool:
for part in parts:
- pool.next_free_worker().perform(part)
+ await pool.put_query(part, None)