remove unused table-level functions and dependencies
This commit is contained in:
John Krauss
parent
3db98fb522
commit
0e99e62eb2
@ -1,5 +1,5 @@
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comment = 'CartoDB Observatory backend extension'
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default_version = '1.1.6'
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requires = 'postgis, postgres_fdw, plpythonu'
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requires = 'postgis, plpythonu'
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superuser = true
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schema = cdb_observatory
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@ -1,82 +0,0 @@
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CREATE TYPE cdb_observatory.ds_fdw_metadata as (schemaname text, tabname text, servername text);
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CREATE TYPE cdb_observatory.ds_return_metadata as (colnames text[], coltypes text[]);
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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)
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RETURNS cdb_observatory.ds_fdw_metadata
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AS $$
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DECLARE
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fdw_server text;
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fdw_import_schema text;
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connection_str json;
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import_foreign_schema_q text;
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epoch_timestamp text;
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BEGIN
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SELECT extract(epoch from now() at time zone 'utc')::int INTO epoch_timestamp;
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fdw_server := 'fdw_server_' || username || '_' || epoch_timestamp;
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fdw_import_schema:= fdw_server;
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-- Import foreign table
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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);
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RETURN (fdw_import_schema::text, table_name::text, fdw_server::text);
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EXCEPTION
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WHEN others THEN
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-- Disconnect user imported table. Delete schema and FDW server.
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EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || fdw_import_schema || '".' || table_name;
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EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || fdw_import_schema || '".cdb_tablemetadata';
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EXECUTE 'DROP SCHEMA IF EXISTS "' || fdw_import_schema || '"';
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EXECUTE 'DROP USER MAPPING IF EXISTS FOR public SERVER "' || fdw_server || '"';
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EXECUTE 'DROP SERVER IF EXISTS "' || fdw_server || '"';
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RETURN (null, null, null);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
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RETURNS cdb_observatory.ds_return_metadata
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AS $$
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DECLARE
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colnames text[];
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coltypes text[];
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BEGIN
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EXECUTE FORMAT('SELECT r.colnames::text[], r.coltypes::text[] FROM cdb_observatory._%sResultMetadata(%L::json) r', function_name, params::text)
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INTO colnames, coltypes;
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RETURN (colnames::text[], coltypes::text[]);
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION cdb_observatory._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
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RETURNS SETOF record
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AS $$
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DECLARE
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data_query text;
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rec RECORD;
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BEGIN
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EXECUTE FORMAT('SELECT cdb_observatory._%sQuery(%L, %L, %L::json)', function_name, table_schema, table_name, params::text)
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INTO data_query;
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FOR rec IN EXECUTE data_query
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LOOP
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RETURN NEXT rec;
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END LOOP;
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RETURN;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_observatory._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
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RETURNS boolean
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AS $$
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BEGIN
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EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || table_schema || '".' || table_name;
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EXECUTE 'DROP FOREIGN TABLE IF EXISTS "' || table_schema || '".cdb_tablemetadata';
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EXECUTE 'DROP SCHEMA IF EXISTS "' || table_schema || '"';
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EXECUTE 'DROP USER MAPPING IF EXISTS FOR public SERVER "' || servername || '"';
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EXECUTE 'DROP SERVER IF EXISTS "' || servername || '"';
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RETURN true;
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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@ -1,79 +0,0 @@
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--
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--
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-- OBS_GetMeasure
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--
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--
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CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetMeasureResultMetadata(params json)
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RETURNS cdb_observatory.ds_return_metadata
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AS $$
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DECLARE
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colnames text[]; -- Array to store the name of the measures to be returned
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coltypes text[]; -- Array to store the type of the measures to be returned
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requested_measures text[];
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measure_id text;
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BEGIN
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-- By definition, all the measure results for the OBS_GetMeasure API are numeric values
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SELECT ARRAY(SELECT json_array_elements_text(params->'measure_id'))::text[] INTO requested_measures;
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FOREACH measure_id IN ARRAY requested_measures
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LOOP
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SELECT array_append(colnames, measure_id) INTO colnames;
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SELECT array_append(coltypes, 'numeric'::text) INTO coltypes;
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END LOOP;
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RETURN (colnames::text[], coltypes::text[]);
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END;
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$$ LANGUAGE plpgsql;
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CREATE OR REPLACE FUNCTION cdb_observatory._OBS_GetMeasureQuery(table_schema text, table_name text, params json)
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RETURNS text
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AS $$
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DECLARE
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data_query text;
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measure_ids_arr text[];
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measure_id text;
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measures_list text;
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measures_query text;
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normalize text;
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boundary_id text;
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time_span text;
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geom_table_name text;
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data_table_name text;
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BEGIN
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measures_query := '';
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-- SELECT table_name from obs_meta WHERE boundary_id = {bound} AND [...] INTO geom_table_name
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geom_table_name := 'observatory.obs_c6fb99c47d61289fbb8e561ff7773799d3fcc308';
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-- SELECT table_name from obs_meta WHERE time_span = {time} AND [...] INTO data_table_name
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data_table_name := 'observatory.obs_1a098da56badf5f32e336002b0a81708c40d29cd';
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-- Get measure_ids array from JSON
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SELECT ARRAY(SELECT json_array_elements_text(params->'measure_id'))::text[] INTO measure_ids_arr;
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-- Get a comma-separated list of measures ("total_pop, over_16_pop") to be used in SELECTs
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SELECT array_to_string(measure_ids_arr, ',') INTO measures_list;
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FOREACH measure_id IN ARRAY measure_ids_arr
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LOOP
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-- Build query to compute each value and normalize
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-- Assumes the default normalization method, the normalize parameter given in the JSON
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-- should be checked in order to build the final query
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SELECT measures_query || ' sum(' || measure_id || '/fraction)::numeric as ' || measure_id || ', ' INTO measures_query;
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END LOOP;
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-- Data query should select the measures and the cartodb_id of the user table, in that order.
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data_query := '(WITH _areas AS(SELECT ST_Area(a.the_geom::geography)'
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|| '/ (1000 * 1000) as fraction, a.geoid, b.cartodb_id FROM '
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|| geom_table_name || ' as a, '
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|| table_schema || '.' || table_name || ' AS b '
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|| 'WHERE b.the_geom && a.the_geom ), values AS (SELECT geoid, '
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|| measures_list
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|| ' FROM ' || data_table_name || ' ) '
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|| 'SELECT '
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|| measures_query
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|| ' cartodb_id::int FROM _areas, values '
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|| 'WHERE values.geoid = _areas.geoid GROUP BY cartodb_id);';
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RETURN data_query;
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END;
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$$ LANGUAGE plpgsql;
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