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add migration for reorganization of pending indexes

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Fixes #2900.
This commit is contained in:
Sarah Hoffmann
2022-11-23 10:55:39 +01:00
parent 55ee08f42b
commit 6aded60045
2 changed files with 17 additions and 1 deletions
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16
nominatim/tools/migration.py
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@@ -332,3 +332,19 @@ def add_place_deletion_todo_table(conn: Connection, **_: Any) -> None:
class TEXT,
type TEXT,
deferred BOOLEAN)""")
@_migration(4, 1, 99, 1)
def split_pending_index(conn: Connection, **_: Any) -> None:
""" Reorganise indexes for pending updates.
"""
if conn.table_exists('place'):
with conn.cursor() as cur:
cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_rank_address_sector
ON placex USING BTREE (rank_address, geometry_sector)
WHERE indexed_status > 0""")
cur.execute("""CREATE INDEX IF NOT EXISTS idx_placex_rank_boundaries_sector
ON placex USING BTREE (rank_search, geometry_sector)
WHERE class = 'boundary' and type = 'administrative'
and indexed_status > 0""")
cur.execute("DROP INDEX IF EXISTS idx_placex_pendingsector")