remove unused table-level functions and dependencies

This commit is contained in:
John Krauss 2017-01-17 22:51:30 +00:00
parent 3db98fb522
commit 0e99e62eb2
3 changed files with 1 additions and 162 deletions

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@ -1,5 +1,5 @@
comment = 'CartoDB Observatory backend extension' comment = 'CartoDB Observatory backend extension'
default_version = '1.1.6' default_version = '1.1.6'
requires = 'postgis, postgres_fdw, plpythonu' requires = 'postgis, plpythonu'
superuser = true superuser = true
schema = cdb_observatory schema = cdb_observatory

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@ -1,82 +0,0 @@
CREATE TYPE cdb_observatory.ds_fdw_metadata as (schemaname text, tabname text, servername text);
CREATE TYPE cdb_observatory.ds_return_metadata as (colnames text[], coltypes text[]);
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, host_addr text, table_name text)
RETURNS cdb_observatory.ds_fdw_metadata
AS $$
DECLARE
fdw_server text;
fdw_import_schema text;
connection_str json;
import_foreign_schema_q text;
epoch_timestamp text;
BEGIN
SELECT extract(epoch from now() at time zone 'utc')::int INTO epoch_timestamp;
fdw_server := 'fdw_server_' || username || '_' || epoch_timestamp;
fdw_import_schema:= fdw_server;
-- Import foreign table
EXECUTE FORMAT ('SELECT cdb_observatory._OBS_ConnectRemoteTable(%L, %L, %L, %L, %L, %L, %L)', fdw_server, fdw_import_schema, dbname, host_addr, user_db_role, table_name, input_schema);
RETURN (fdw_import_schema::text, table_name::text, fdw_server::text);
EXCEPTION
WHEN others THEN
-- Disconnect user imported table. Delete schema and FDW server.
EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || fdw_import_schema || '".' || table_name;
EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || fdw_import_schema || '".cdb_tablemetadata';
EXECUTE 'DROP SCHEMA IF EXISTS "' || fdw_import_schema || '"';
EXECUTE 'DROP USER MAPPING IF EXISTS FOR public SERVER "' || fdw_server || '"';
EXECUTE 'DROP SERVER IF EXISTS "' || fdw_server || '"';
RETURN (null, null, null);
END;
$$ LANGUAGE plpgsql SECURITY DEFINER;
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
RETURNS cdb_observatory.ds_return_metadata
AS $$
DECLARE
colnames text[];
coltypes text[];
BEGIN
EXECUTE FORMAT('SELECT r.colnames::text[], r.coltypes::text[] FROM cdb_observatory._%sResultMetadata(%L::json) r', function_name, params::text)
INTO colnames, coltypes;
RETURN (colnames::text[], coltypes::text[]);
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
RETURNS SETOF record
AS $$
DECLARE
data_query text;
rec RECORD;
BEGIN
EXECUTE FORMAT('SELECT cdb_observatory._%sQuery(%L, %L, %L::json)', function_name, table_schema, table_name, params::text)
INTO data_query;
FOR rec IN EXECUTE data_query
LOOP
RETURN NEXT rec;
END LOOP;
RETURN;
END;
$$ LANGUAGE plpgsql SECURITY DEFINER;
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
RETURNS boolean
AS $$
BEGIN
EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || table_schema || '".' || table_name;
EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || table_schema || '".cdb_tablemetadata';
EXECUTE 'DROP SCHEMA IF EXISTS "' || table_schema || '"';
EXECUTE 'DROP USER MAPPING IF EXISTS FOR public SERVER "' || servername || '"';
EXECUTE 'DROP SERVER IF EXISTS "' || servername || '"';
RETURN true;
END;
$$ LANGUAGE plpgsql SECURITY DEFINER;

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@ -1,79 +0,0 @@
--
--
-- OBS_GetMeasure
--
--
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetMeasureResultMetadata(params json)
RETURNS cdb_observatory.ds_return_metadata
AS $$
DECLARE
colnames text[]; -- Array to store the name of the measures to be returned
coltypes text[]; -- Array to store the type of the measures to be returned
requested_measures text[];
measure_id text;
BEGIN
-- By definition, all the measure results for the OBS_GetMeasure API are numeric values
SELECT ARRAY(SELECT json_array_elements_text(params->'measure_id'))::text[] INTO requested_measures;
FOREACH measure_id IN ARRAY requested_measures
LOOP
SELECT array_append(colnames, measure_id) INTO colnames;
SELECT array_append(coltypes, 'numeric'::text) INTO coltypes;
END LOOP;
RETURN (colnames::text[], coltypes::text[]);
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetMeasureQuery(table_schema text, table_name text, params json)
RETURNS text
AS $$
DECLARE
data_query text;
measure_ids_arr text[];
measure_id text;
measures_list text;
measures_query text;
normalize text;
boundary_id text;
time_span text;
geom_table_name text;
data_table_name text;
BEGIN
measures_query := '';
-- SELECT table_name from obs_meta WHERE boundary_id = {bound} AND [...] INTO geom_table_name
geom_table_name := 'observatory.obs_c6fb99c47d61289fbb8e561ff7773799d3fcc308';
-- SELECT table_name from obs_meta WHERE time_span = {time} AND [...] INTO data_table_name
data_table_name := 'observatory.obs_1a098da56badf5f32e336002b0a81708c40d29cd';
-- Get measure_ids array from JSON
SELECT ARRAY(SELECT json_array_elements_text(params->'measure_id'))::text[] INTO measure_ids_arr;
-- Get a comma-separated list of measures ("total_pop, over_16_pop") to be used in SELECTs
SELECT array_to_string(measure_ids_arr, ',') INTO measures_list;
FOREACH measure_id IN ARRAY measure_ids_arr
LOOP
-- Build query to compute each value and normalize
-- Assumes the default normalization method, the normalize parameter given in the JSON
-- should be checked in order to build the final query
SELECT measures_query || ' sum(' || measure_id || '/fraction)::numeric as ' || measure_id || ', ' INTO measures_query;
END LOOP;
-- Data query should select the measures and the cartodb_id of the user table, in that order.
data_query := '(WITH _areas AS(SELECT ST_Area(a.the_geom::geography)'
|| '/ (1000 * 1000) as fraction, a.geoid, b.cartodb_id FROM '
|| geom_table_name || ' as a, '
|| table_schema || '.' || table_name || ' AS b '
|| 'WHERE b.the_geom && a.the_geom ), values AS (SELECT geoid, '
|| measures_list
|| ' FROM ' || data_table_name || ' ) '
|| 'SELECT '
|| measures_query
|| ' cartodb_id::int FROM _areas, values '
|| 'WHERE values.geoid = _areas.geoid GROUP BY cartodb_id);';
RETURN data_query;
END;
$$ LANGUAGE plpgsql;