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add migration for new lookup index

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Sarah Hoffmann
2022-01-25 12:00:35 +01:00
parent 9f64c34f1a
commit e6d855b954
2 changed files with 13 additions and 2 deletions
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11
nominatim/tools/migration.py
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@@ -216,3 +216,14 @@ def create_tiger_housenumber_index(conn, **_):
ON location_property_tiger
USING btree(parent_place_id)
INCLUDE (startnumber, endnumber) """)
@_migration(4, 0, 99, 1)
def create_interpolation_index_on_place(conn, **_):
""" Create idx_place_interpolations for lookup of interpolation lines
on updates.
"""
with conn.cursor() as cur:
cur.execute("""CREATE INDEX IF NOT EXISTS idx_place_interpolations
ON place USING gist(geometry)
WHERE osm_type = 'W' and address ? 'interpolation'""")