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Switch type from Geography to Geometry 

Use Geometry type for item location. Improves performance.
This commit is contained in:
Edward Betts 2021-06-24 18:37:23 +02:00
parent 3413787a05
commit 7ca1229380
1 changed files with 2 additions and 2 deletions
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4
matcher/model.py
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@ -7,7 +7,7 @@ from sqlalchemy.dialects import postgresql
from sqlalchemy.sql.expression import cast
from sqlalchemy.ext.hybrid import hybrid_property
from sqlalchemy.ext.declarative import declared_attr
from geoalchemy2 import Geography, Geometry
from geoalchemy2 import Geometry
from collections import defaultdict
from flask_login import UserMixin
from .database import session, now_utc
@ -169,7 +169,7 @@ class ItemLocation(Base):
item_id = Column(Integer, ForeignKey("item.item_id"), primary_key=True)
property_id = Column(Integer, primary_key=True)
statement_order = Column(Integer, primary_key=True)
location = Column(Geography("POINT", srid=4326, spatial_index=True), nullable=False)
location = Column(Geometry("POINT", srid=4326, spatial_index=True), nullable=False)
qid = column_property("Q" + cast(item_id, String))
pid = column_property("P" + cast(item_id, String))