mirror of
https://github.com/osm-search/Nominatim.git
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121 lines
5.3 KiB
Python
121 lines
5.3 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# This file is part of Nominatim. (https://nominatim.org)
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#
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# Copyright (C) 2023 by the Nominatim developer community.
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# For a full list of authors see the git log.
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"""
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SQLAlchemy definitions for all tables used by the frontend.
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"""
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import sqlalchemy as sa
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import nominatim.db.sqlalchemy_functions #pylint: disable=unused-import
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from nominatim.db.sqlalchemy_types import Geometry, KeyValueStore, IntArray
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#pylint: disable=too-many-instance-attributes
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class SearchTables:
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""" Data class that holds the tables of the Nominatim database.
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This schema strictly reflects the read-access view of the database.
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Any data used for updates only will not be visible.
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"""
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def __init__(self, meta: sa.MetaData) -> None:
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self.meta = meta
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self.import_status = sa.Table('import_status', meta,
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sa.Column('lastimportdate', sa.DateTime(True), nullable=False),
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sa.Column('sequence_id', sa.Integer),
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sa.Column('indexed', sa.Boolean))
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self.properties = sa.Table('nominatim_properties', meta,
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sa.Column('property', sa.Text, nullable=False),
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sa.Column('value', sa.Text))
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self.placex = sa.Table('placex', meta,
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sa.Column('place_id', sa.BigInteger, nullable=False),
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sa.Column('parent_place_id', sa.BigInteger),
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sa.Column('linked_place_id', sa.BigInteger),
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sa.Column('importance', sa.Float),
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sa.Column('indexed_date', sa.DateTime),
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sa.Column('rank_address', sa.SmallInteger),
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sa.Column('rank_search', sa.SmallInteger),
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sa.Column('indexed_status', sa.SmallInteger),
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sa.Column('osm_type', sa.String(1), nullable=False),
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sa.Column('osm_id', sa.BigInteger, nullable=False),
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sa.Column('class', sa.Text, nullable=False, key='class_'),
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sa.Column('type', sa.Text, nullable=False),
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sa.Column('admin_level', sa.SmallInteger),
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sa.Column('name', KeyValueStore),
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sa.Column('address', KeyValueStore),
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sa.Column('extratags', KeyValueStore),
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sa.Column('geometry', Geometry, nullable=False),
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sa.Column('wikipedia', sa.Text),
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sa.Column('country_code', sa.String(2)),
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sa.Column('housenumber', sa.Text),
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sa.Column('postcode', sa.Text),
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sa.Column('centroid', Geometry))
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self.addressline = sa.Table('place_addressline', meta,
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sa.Column('place_id', sa.BigInteger),
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sa.Column('address_place_id', sa.BigInteger),
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sa.Column('distance', sa.Float),
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sa.Column('fromarea', sa.Boolean),
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sa.Column('isaddress', sa.Boolean))
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self.postcode = sa.Table('location_postcode', meta,
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sa.Column('place_id', sa.BigInteger),
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sa.Column('parent_place_id', sa.BigInteger),
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sa.Column('rank_search', sa.SmallInteger),
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sa.Column('rank_address', sa.SmallInteger),
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sa.Column('indexed_status', sa.SmallInteger),
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sa.Column('indexed_date', sa.DateTime),
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sa.Column('country_code', sa.String(2)),
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sa.Column('postcode', sa.Text),
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sa.Column('geometry', Geometry))
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self.osmline = sa.Table('location_property_osmline', meta,
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sa.Column('place_id', sa.BigInteger, nullable=False),
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sa.Column('osm_id', sa.BigInteger),
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sa.Column('parent_place_id', sa.BigInteger),
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sa.Column('indexed_date', sa.DateTime),
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sa.Column('startnumber', sa.Integer),
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sa.Column('endnumber', sa.Integer),
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sa.Column('step', sa.SmallInteger),
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sa.Column('indexed_status', sa.SmallInteger),
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sa.Column('linegeo', Geometry),
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sa.Column('address', KeyValueStore),
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sa.Column('postcode', sa.Text),
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sa.Column('country_code', sa.String(2)))
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self.country_name = sa.Table('country_name', meta,
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sa.Column('country_code', sa.String(2)),
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sa.Column('name', KeyValueStore),
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sa.Column('derived_name', KeyValueStore),
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sa.Column('partition', sa.Integer))
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self.country_grid = sa.Table('country_osm_grid', meta,
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sa.Column('country_code', sa.String(2)),
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sa.Column('area', sa.Float),
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sa.Column('geometry', Geometry))
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# The following tables are not necessarily present.
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self.search_name = sa.Table('search_name', meta,
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sa.Column('place_id', sa.BigInteger),
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sa.Column('importance', sa.Float),
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sa.Column('search_rank', sa.SmallInteger),
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sa.Column('address_rank', sa.SmallInteger),
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sa.Column('name_vector', IntArray),
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sa.Column('nameaddress_vector', IntArray),
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sa.Column('country_code', sa.String(2)),
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sa.Column('centroid', Geometry))
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self.tiger = sa.Table('location_property_tiger', meta,
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sa.Column('place_id', sa.BigInteger),
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sa.Column('parent_place_id', sa.BigInteger),
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sa.Column('startnumber', sa.Integer),
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sa.Column('endnumber', sa.Integer),
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sa.Column('step', sa.SmallInteger),
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sa.Column('linegeo', Geometry),
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sa.Column('postcode', sa.Text))
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