"""
Exporting a Nominatim database to SQlite.
"""
-from typing import Set
+from typing import Set, Any
+import datetime as dt
import logging
from pathlib import Path
import sqlalchemy as sa
-from nominatim.typing import SaSelect
+from nominatim.typing import SaSelect, SaRow
from nominatim.db.sqlalchemy_types import Geometry, IntArray
from nominatim.api.search.query_analyzer_factory import make_query_analyzer
import nominatim.api as napi
try:
outapi = napi.NominatimAPIAsync(project_dir,
- {'NOMINATIM_DATABASE_DSN': f"sqlite:dbname={outfile}"})
+ {'NOMINATIM_DATABASE_DSN': f"sqlite:dbname={outfile}",
+ 'NOMINATIM_DATABASE_RW': '1'})
try:
async with api.begin() as src, outapi.begin() as dest:
async def copy_data(self) -> None:
""" Copy data for all registered tables.
"""
+ def _getfield(row: SaRow, key: str) -> Any:
+ value = getattr(row, key)
+ if isinstance(value, dt.datetime):
+ if value.tzinfo is not None:
+ value = value.astimezone(dt.timezone.utc)
+ return value
+
for table in self.dest.t.meta.sorted_tables:
LOG.warning("Copying '%s'", table.name)
async_result = await self.src.connection.stream(self.select_from(table.name))
async for partition in async_result.partitions(10000):
- data = [{('class_' if k == 'class' else k): getattr(r, k) for k in r._fields}
+ data = [{('class_' if k == 'class' else k): _getfield(r, k)
+ for k in r._fields}
for r in partition]
await self.dest.execute(table.insert(), data)