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use psycopg's SQL quoting where possible

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Use the SQL formatting supplied with psycopg whenever the
query needs to be put together from snippets.
This commit is contained in:
Sarah Hoffmann
2021-07-12 22:05:22 +02:00
parent 6f6681ce67
commit 14f777da18
5 changed files with 58 additions and 42 deletions
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65
nominatim/indexer/runners.py
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@@ -5,13 +5,17 @@ tasks.
import functools
import psycopg2.extras
from psycopg2 import sql as pysql
# pylint: disable=C0111
def _mk_valuelist(template, num):
return pysql.SQL(',').join([pysql.SQL(template)] * num)
class AbstractPlacexRunner:
""" Returns SQL commands for indexing of the placex table.
"""
SELECT_SQL = 'SELECT place_id FROM placex'
SELECT_SQL = pysql.SQL('SELECT place_id FROM placex ')
def __init__(self, rank, analyzer):
self.rank = rank
@@ -21,11 +25,12 @@ class AbstractPlacexRunner:
@staticmethod
@functools.lru_cache(maxsize=1)
def _index_sql(num_places):
return """ UPDATE placex
SET indexed_status = 0, address = v.addr, token_info = v.ti
FROM (VALUES {}) as v(id, addr, ti)
WHERE place_id = v.id
""".format(','.join(["(%s, %s::hstore, %s::jsonb)"] * num_places))
return pysql.SQL(
""" UPDATE placex
SET indexed_status = 0, address = v.addr, token_info = v.ti
FROM (VALUES {}) as v(id, addr, ti)
WHERE place_id = v.id
""").format(_mk_valuelist("(%s, %s::hstore, %s::jsonb)", num_places))
@staticmethod
@@ -52,14 +57,15 @@ class RankRunner(AbstractPlacexRunner):
return "rank {}".format(self.rank)
def sql_count_objects(self):
return """SELECT count(*) FROM placex
WHERE rank_address = {} and indexed_status > 0
""".format(self.rank)
return pysql.SQL("""SELECT count(*) FROM placex
WHERE rank_address = {} and indexed_status > 0
""").format(pysql.Literal(self.rank))
def sql_get_objects(self):
return """{} WHERE indexed_status > 0 and rank_address = {}
ORDER BY geometry_sector
""".format(self.SELECT_SQL, self.rank)
return self.SELECT_SQL + pysql.SQL(
"""WHERE indexed_status > 0 and rank_address = {}
ORDER BY geometry_sector
""").format(pysql.Literal(self.rank))
class BoundaryRunner(AbstractPlacexRunner):
@@ -71,17 +77,18 @@ class BoundaryRunner(AbstractPlacexRunner):
return "boundaries rank {}".format(self.rank)
def sql_count_objects(self):
return """SELECT count(*) FROM placex
WHERE indexed_status > 0
AND rank_search = {}
AND class = 'boundary' and type = 'administrative'
""".format(self.rank)
return pysql.SQL("""SELECT count(*) FROM placex
WHERE indexed_status > 0
AND rank_search = {}
AND class = 'boundary' and type = 'administrative'
""").format(pysql.Literal(self.rank))
def sql_get_objects(self):
return """{} WHERE indexed_status > 0 and rank_search = {}
and class = 'boundary' and type = 'administrative'
ORDER BY partition, admin_level
""".format(self.SELECT_SQL, self.rank)
return self.SELECT_SQL + pysql.SQL(
"""WHERE indexed_status > 0 and rank_search = {}
and class = 'boundary' and type = 'administrative'
ORDER BY partition, admin_level
""").format(pysql.Literal(self.rank))
class InterpolationRunner:
@@ -120,11 +127,11 @@ class InterpolationRunner:
@staticmethod
@functools.lru_cache(maxsize=1)
def _index_sql(num_places):
return """ UPDATE location_property_osmline
SET indexed_status = 0, address = v.addr, token_info = v.ti
FROM (VALUES {}) as v(id, addr, ti)
WHERE place_id = v.id
""".format(','.join(["(%s, %s::hstore, %s::jsonb)"] * num_places))
return pysql.SQL("""UPDATE location_property_osmline
SET indexed_status = 0, address = v.addr, token_info = v.ti
FROM (VALUES {}) as v(id, addr, ti)
WHERE place_id = v.id
""").format(_mk_valuelist("(%s, %s::hstore, %s::jsonb)", num_places))
def index_places(self, worker, places):
@@ -157,6 +164,6 @@ class PostcodeRunner:
@staticmethod
def index_places(worker, ids):
worker.perform(""" UPDATE location_postcode SET indexed_status = 0
WHERE place_id IN ({})
""".format(','.join((str(i[0]) for i in ids))))
worker.perform(pysql.SQL("""UPDATE location_postcode SET indexed_status = 0
WHERE place_id IN ({})""")
.format(pysql.SQL(',').join((pysql.Literal(i[0]) for i in ids))))