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remove unused columns from word and search_name_* tables

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Removes 'trigram' and 'location' from word.
  Removes 'address', 'importance' and 'country_code' from search_name_*.
  Use full geometry in centroid column of search_name_*.

  Requires migration of existing tables. For more info see pull request
  https://github.com/twain47/Nominatim/pull/45
This commit is contained in:
Sarah Hoffmann
2013-04-09 22:44:05 +02:00
parent 4d2b88dd3e
commit 23d303124e
6 changed files with 34 additions and 32 deletions
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12
sql/tables.sql
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@@ -70,7 +70,6 @@ drop table IF EXISTS word;
CREATE TABLE word (
word_id INTEGER,
word_token text,
word_trigram text,
word text,
class text,
type text,
@@ -78,9 +77,7 @@ CREATE TABLE word (
search_name_count INTEGER,
operator TEXT
);
SELECT AddGeometryColumn('word', 'location', 4326, 'GEOMETRY', 2);
CREATE INDEX idx_word_word_token on word USING BTREE (word_token);
--CREATE INDEX idx_word_trigram ON word USING gin(word_trigram gin_trgm_ops) WITH (fastupdate = off);
GRANT SELECT ON word TO "www-data" ;
DROP SEQUENCE seq_word;
CREATE SEQUENCE seq_word start 1;
@@ -124,8 +121,8 @@ CREATE INDEX idx_location_property_tiger_parent_place_id ON location_property_ti
CREATE INDEX idx_location_property_tiger_housenumber_parent_place_id ON location_property_tiger USING BTREE (parent_place_id, housenumber);
GRANT SELECT ON location_property_tiger TO "www-data";
drop table IF EXISTS search_name_blank CASCADE;
CREATE TABLE search_name_blank (
drop table IF EXISTS search_name;
CREATE TABLE search_name (
place_id BIGINT,
search_rank integer,
address_rank integer,
@@ -134,10 +131,7 @@ CREATE TABLE search_name_blank (
name_vector integer[],
nameaddress_vector integer[]
);
SELECT AddGeometryColumn('search_name_blank', 'centroid', 4326, 'GEOMETRY', 2);
drop table IF EXISTS search_name;
CREATE TABLE search_name () INHERITS (search_name_blank);
SELECT AddGeometryColumn('search_name', 'centroid', 4326, 'GEOMETRY', 2);
CREATE INDEX idx_search_name_place_id ON search_name USING BTREE (place_id);
drop table IF EXISTS place_addressline;