[geonames] Adding covering index to geonames DB

scripts/geodata/geonames/create_geonames_tsv.py

@@ -8,7 +8,6 @@ import sqlite3
 import subprocess
 import sys
 
-import requests
 import pycountry
 
 import unicodedata

scripts/geodata/geonames/geonames_sqlite.py

@@ -128,6 +128,8 @@ geonames_ddl = {
         is_historic BOOLEAN DEFAULT 0)''',
         '''CREATE INDEX geonames_id_index ON
         alternate_names (geonames_id)''',
+        '''CREATE INDEX geonames_id_alt_name_index ON
+        alternate_names(geonames_id, alternate_name)''',
     ),
 
     'hierarchy': (