Merge pull request #267 from CartoDB/augment_revamp_analysis
Table-level OBS_GetMeasue revamp
This commit is contained in:
Carla
GitHub
commit
fc99f7aba9
@ -1,8 +1,53 @@
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CREATE TYPE cdb_dataservices_client.ds_fdw_metadata as (schemaname text, tabname text, servername text);
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CREATE TYPE cdb_dataservices_client.ds_return_metadata as (colnames text[], coltypes text[]);
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CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_GetTable(table_name text, output_table_name text, function_name text, params json)
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RETURNS boolean AS $$
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CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_PrepareTableOBS_GetMeasure(
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output_table_name text,
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params json
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) RETURNS boolean AS $$
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DECLARE
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username text;
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user_db_role text;
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orgname text;
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user_schema text;
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result boolean;
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BEGIN
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IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
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RAISE EXCEPTION 'The api_key must be provided';
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END IF;
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SELECT session_user INTO user_db_role;
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SELECT u, o INTO username, orgname FROM cdb_dataservices_client._cdb_entity_config() AS (u text, o text);
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-- JSON value stored "" is taken as literal
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IF username IS NULL OR username = '' OR username = '""' THEN
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RAISE EXCEPTION 'Username is a mandatory argument';
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END IF;
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IF orgname IS NULL OR orgname = '' OR orgname = '""' THEN
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user_schema := 'public';
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ELSE
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user_schema := username;
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END IF;
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SELECT cdb_dataservices_client.__DST_PrepareTableOBS_GetMeasure(
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username,
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orgname,
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user_db_role,
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user_schema,
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output_table_name,
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params
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) INTO result;
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RETURN result;
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END;
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$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_PopulateTableOBS_GetMeasure(
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table_name text,
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output_table_name text,
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params json
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) RETURNS boolean AS $$
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DECLARE
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username text;
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user_db_role text;
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@ -31,238 +76,200 @@ BEGIN
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SELECT current_database() INTO dbname;
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SELECT cdb_dataservices_client.__OBS_GetTable(username, orgname, user_db_role, user_schema, dbname, table_name, output_table_name, function_name, params) INTO result;
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SELECT cdb_dataservices_client.__DST_PopulateTableOBS_GetMeasure(
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username,
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orgname,
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user_db_role,
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user_schema,
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dbname,
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table_name,
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output_table_name,
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params
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) INTO result;
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RETURN result;
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END;
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$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_AugmentTable(table_name text, function_name text, params json)
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RETURNS boolean AS $$
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DECLARE
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username text;
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user_db_role text;
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orgname text;
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dbname text;
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user_schema text;
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result boolean;
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BEGIN
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IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
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RAISE EXCEPTION 'The api_key must be provided';
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END IF;
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SELECT session_user INTO user_db_role;
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SELECT u, o INTO username, orgname FROM cdb_dataservices_client._cdb_entity_config() AS (u text, o text);
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-- JSON value stored "" is taken as literal
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IF username IS NULL OR username = '' OR username = '""' THEN
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RAISE EXCEPTION 'Username is a mandatory argument';
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END IF;
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IF orgname IS NULL OR orgname = '' OR orgname = '""' THEN
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user_schema := 'public';
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ELSE
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user_schema := username;
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END IF;
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SELECT current_database() INTO dbname;
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SELECT cdb_dataservices_client.__OBS_AugmentTable(username, orgname, user_db_role, user_schema, dbname, table_name, function_name, params) INTO result;
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RETURN result;
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END;
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$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
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CREATE OR REPLACE FUNCTION cdb_dataservices_client.__OBS_AugmentTable(username text, orgname text, user_db_role text, user_schema text, dbname text, table_name text, function_name text, params json)
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RETURNS boolean AS $$
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from time import strftime
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try:
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server_table_name = None
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temporary_table_name = 'ds_tmp_' + str(strftime("%s")) + table_name
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CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PrepareTableOBS_GetMeasure(
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username text,
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orgname text,
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user_db_role text,
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user_schema text,
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output_table_name text,
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params json
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) RETURNS boolean AS $$
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function_name = 'GetMeasure'
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# Obtain return types for augmentation procedure
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ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
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"FROM cdb_dataservices_client._OBS_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params))
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"FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
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.format(
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username=plpy.quote_nullable(username),
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orgname=plpy.quote_nullable(orgname),
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function_name=plpy.quote_literal(function_name),
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params=plpy.quote_literal(params)
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)
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)
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if ds_return_metadata[0]["colnames"]:
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colnames_arr = ds_return_metadata[0]["colnames"]
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coltypes_arr = ds_return_metadata[0]["coltypes"]
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else:
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raise Exception('Error retrieving OBS_GetMeasure metadata')
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# Prepare column and type strings required in the SQL queries
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colnames = ','.join(colnames_arr)
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columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
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columns_with_types = ','.join(columns_with_types_arr)
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# Instruct the OBS server side to establish a FDW
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# The metadata is obtained as well in order to:
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# - (a) be able to write the query to grab the actual data to be executed in the remote server via pl/proxy,
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# - (b) be able to tell OBS to free resources when done.
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ds_fdw_metadata = plpy.execute("SELECT schemaname, tabname, servername "
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"FROM cdb_dataservices_client._OBS_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {user_schema}::text, {dbname}::text, {table_name}::text);"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), user_db_role=plpy.quote_literal(user_db_role), user_schema=plpy.quote_literal(user_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name))
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)
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server_schema = ds_fdw_metadata[0]["schemaname"]
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server_table_name = ds_fdw_metadata[0]["tabname"]
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server_name = ds_fdw_metadata[0]["servername"]
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# Create temporary table with the augmented results
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plpy.execute('CREATE UNLOGGED TABLE "{user_schema}".{temp_table_name} AS '
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'(SELECT {columns}, cartodb_id '
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'FROM cdb_dataservices_client._OBS_FetchJoinFdwTableData('
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'{username}::text, {orgname}::text, {schema}::text, {table_name}::text, {function_name}::text, {params}::json) '
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'AS results({columns_with_types}, cartodb_id int) )'
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.format(columns=colnames, username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname),
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user_schema=user_schema, schema=plpy.quote_literal(server_schema), table_name=plpy.quote_literal(server_table_name),
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function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params), columns_with_types=columns_with_types,
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temp_table_name=temporary_table_name)
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)
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# Wipe user FDW data from the server
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wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, {fdw_server}::text)"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), server_schema=plpy.quote_literal(server_schema), server_table_name=plpy.quote_literal(server_table_name), fdw_server=plpy.quote_literal(server_name))
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)
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# Add index to cartodb_id
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plpy.execute('CREATE UNIQUE INDEX {temp_table_name}_pkey ON "{user_schema}".{temp_table_name} (cartodb_id)'
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.format(user_schema=user_schema, temp_table_name=temporary_table_name)
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)
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# Prepare table to receive augmented results in new columns
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for idx, column in enumerate(colnames_arr):
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if colnames_arr[idx] is not 'the_geom':
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plpy.execute('ALTER TABLE "{user_schema}".{table_name} ADD COLUMN {column_name} {column_type}'
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.format(user_schema=user_schema, table_name=table_name, column_name=colnames_arr[idx], column_type=coltypes_arr[idx])
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)
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# Populate the user table with the augmented results
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plpy.execute('UPDATE "{user_schema}".{table_name} SET {columns} = '
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'(SELECT {columns} FROM "{user_schema}".{temporary_table_name} '
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'WHERE "{user_schema}".{temporary_table_name}.cartodb_id = "{user_schema}".{table_name}.cartodb_id)'
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.format(columns = colnames, username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname),
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user_schema = user_schema, table_name=table_name, function_name=function_name, params=params, columns_with_types=columns_with_types,
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temporary_table_name=temporary_table_name)
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)
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plpy.execute('DROP TABLE IF EXISTS "{user_schema}".{temporary_table_name}'
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.format(user_schema=user_schema, table_name=table_name, temporary_table_name=temporary_table_name)
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)
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return True
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except Exception as e:
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plpy.warning('Error trying to augment table {0}'.format(e))
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# Wipe user FDW data from the server in case of failure if the table was connected
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if server_table_name:
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# Wipe local temporary table
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plpy.execute('DROP TABLE IF EXISTS "{user_schema}".{temporary_table_name}'
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.format(user_schema=user_schema, table_name=table_name, temporary_table_name=temporary_table_name)
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)
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wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, {fdw_server}::text)"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), server_schema=plpy.quote_literal(server_schema), server_table_name=plpy.quote_literal(server_table_name), fdw_server=plpy.quote_literal(server_name))
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)
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return False
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_client.__OBS_GetTable(username text, orgname text, user_db_role text, user_schema text, dbname text, table_name text, output_table_name text, function_name text, params json)
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RETURNS boolean AS $$
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try:
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server_table_name = None
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# Obtain return types for augmentation procedure
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ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
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"FROM cdb_dataservices_client._OBS_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params))
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)
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colnames_arr = ds_return_metadata[0]["colnames"]
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coltypes_arr = ds_return_metadata[0]["coltypes"]
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# Prepare column and type strings required in the SQL queries
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colnames = ','.join(colnames_arr)
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columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
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columns_with_types = ','.join(columns_with_types_arr)
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# Instruct the OBS server side to establish a FDW
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# The metadata is obtained as well in order to:
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# - (a) be able to write the query to grab the actual data to be executed in the remote server via pl/proxy,
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# - (b) be able to tell OBS to free resources when done.
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ds_fdw_metadata = plpy.execute("SELECT schemaname, tabname, servername "
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"FROM cdb_dataservices_client._OBS_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {schema}::text, {dbname}::text, {table_name}::text);"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), user_db_role=plpy.quote_literal(user_db_role), schema=plpy.quote_literal(user_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name))
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)
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server_schema = ds_fdw_metadata[0]["schemaname"]
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server_table_name = ds_fdw_metadata[0]["tabname"]
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server_name = ds_fdw_metadata[0]["servername"]
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# Get list of user columns to include in the new table
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user_table_columns = ','.join(
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plpy.execute('SELECT array_agg(\'user_table.\' || attname) AS columns '
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'FROM pg_attribute WHERE attrelid = \'"{user_schema}".{table_name}\'::regclass '
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'AND attnum > 0 AND NOT attisdropped AND attname NOT LIKE \'the_geom_webmercator\' '
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'AND NOT attname LIKE ANY(string_to_array(\'{colnames}\',\',\'));'
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.format(user_schema=user_schema, table_name=table_name, colnames=colnames)
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)[0]["columns"]
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)
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# Populate a new table with the augmented results
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plpy.execute('CREATE TABLE "{user_schema}".{output_table_name} AS '
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'(SELECT results.{columns}, {user_table_columns} '
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'FROM {table_name} AS user_table '
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'LEFT JOIN cdb_dataservices_client._OBS_FetchJoinFdwTableData({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, {function_name}::text, {params}::json) as results({columns_with_types}, cartodb_id int) '
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'ON results.cartodb_id = user_table.cartodb_id)'
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.format(output_table_name=output_table_name, columns=colnames, user_table_columns=user_table_columns, username=plpy.quote_nullable(username),
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orgname=plpy.quote_nullable(orgname), user_schema=user_schema, server_schema=plpy.quote_literal(server_schema), server_table_name=plpy.quote_literal(server_table_name),
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table_name=table_name, function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params), columns_with_types=columns_with_types)
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# Create a new table with the required columns
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plpy.execute('CREATE TABLE "{schema}".{table_name} ( '
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'cartodb_id int, the_geom geometry, {columns_with_types} '
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');'
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.format(schema=user_schema, table_name=output_table_name, columns_with_types=columns_with_types)
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)
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plpy.execute('ALTER TABLE "{schema}".{table_name} OWNER TO "{user}";'
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.format(schema=user_schema, table_name=output_table_name, user=user_db_role)
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)
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# Wipe user FDW data from the server
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wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, {fdw_server}::text)"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), server_schema=plpy.quote_literal(server_schema), server_table_name=plpy.quote_literal(server_table_name), fdw_server=plpy.quote_literal(server_name))
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)
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return True
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except Exception as e:
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plpy.warning('Error trying to get table {0}'.format(e))
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# Wipe user FDW data from the server in case of failure if the table was connected
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if server_table_name:
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wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, {fdw_server}::text)"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), server_schema=plpy.quote_literal(server_schema), server_table_name=plpy.quote_literal(server_table_name), fdw_server=plpy.quote_literal(server_name))
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)
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return False
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$$ LANGUAGE plpythonu;
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CREATE OR REPLACE FUNCTION cdb_dataservices_client.__DST_PopulateTableOBS_GetMeasure(
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username text,
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orgname text,
|
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user_db_role text,
|
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user_schema text,
|
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dbname text,
|
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table_name text,
|
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output_table_name text,
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params json
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) RETURNS boolean AS $$
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function_name = 'GetMeasure'
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# Obtain return types for augmentation procedure
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ds_return_metadata = plpy.execute(
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"SELECT colnames, coltypes "
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"FROM cdb_dataservices_client._DST_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);" .format(
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username=plpy.quote_nullable(username),
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orgname=plpy.quote_nullable(orgname),
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function_name=plpy.quote_literal(function_name),
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params=plpy.quote_literal(params)))
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CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_ConnectUserTable(username text, orgname text, user_db_role text, user_schema text, dbname text, table_name text)
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RETURNS cdb_dataservices_client.ds_fdw_metadata AS $$
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CONNECT _server_conn_str();
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TARGET cdb_dataservices_server._OBS_ConnectUserTable;
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if ds_return_metadata[0]["colnames"]:
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colnames_arr = ds_return_metadata[0]["colnames"]
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coltypes_arr = ds_return_metadata[0]["coltypes"]
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else:
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raise Exception('Error retrieving OBS_GetMeasure metadata')
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# Prepare column and type strings required in the SQL queries
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columns_with_types_arr = [
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colnames_arr[i] +
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' ' +
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coltypes_arr[i] for i in range(
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0,
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len(colnames_arr))]
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columns_with_types = ','.join(columns_with_types_arr)
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aliased_colname_list = ','.join(
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['result.' + name for name in colnames_arr])
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|
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# Instruct the OBS server side to establish a FDW
|
||||
# The metadata is obtained as well in order to:
|
||||
# - (a) be able to write the query to grab the actual data to be executed in the remote server via pl/proxy,
|
||||
# - (b) be able to tell OBS to free resources when done.
|
||||
ds_fdw_metadata = plpy.execute(
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"SELECT schemaname, tabname, servername "
|
||||
"FROM cdb_dataservices_client._DST_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, "
|
||||
"{schema}::text, {dbname}::text, {table_name}::text);" .format(
|
||||
username=plpy.quote_nullable(username),
|
||||
orgname=plpy.quote_nullable(orgname),
|
||||
user_db_role=plpy.quote_literal(user_db_role),
|
||||
schema=plpy.quote_literal(user_schema),
|
||||
dbname=plpy.quote_literal(dbname),
|
||||
table_name=plpy.quote_literal(table_name)))
|
||||
|
||||
if ds_fdw_metadata[0]["schemaname"]:
|
||||
server_schema = ds_fdw_metadata[0]["schemaname"]
|
||||
server_table_name = ds_fdw_metadata[0]["tabname"]
|
||||
server_name = ds_fdw_metadata[0]["servername"]
|
||||
else:
|
||||
raise Exception('Error connecting dataset via FDW')
|
||||
|
||||
# Create a new table with the required columns
|
||||
plpy.execute(
|
||||
'INSERT INTO "{schema}".{analysis_table_name} '
|
||||
'SELECT ut.cartodb_id, ut.the_geom, {colname_list} '
|
||||
'FROM "{schema}".{table_name} ut '
|
||||
'LEFT JOIN _DST_FetchJoinFdwTableData({username}::text, {orgname}::text, {server_schema}::text, {server_table_name}::text, '
|
||||
'{function_name}::text, {params}::json) '
|
||||
'AS result ({columns_with_types}, cartodb_id int) '
|
||||
'ON result.cartodb_id = ut.cartodb_id;' .format(
|
||||
schema=user_schema,
|
||||
analysis_table_name=output_table_name,
|
||||
colname_list=aliased_colname_list,
|
||||
table_name=table_name,
|
||||
username=plpy.quote_nullable(username),
|
||||
orgname=plpy.quote_nullable(orgname),
|
||||
server_schema=plpy.quote_literal(server_schema),
|
||||
server_table_name=plpy.quote_literal(server_table_name),
|
||||
function_name=plpy.quote_literal(function_name),
|
||||
params=plpy.quote_literal(params),
|
||||
columns_with_types=columns_with_types))
|
||||
|
||||
# Wipe user FDW data from the server
|
||||
wiped = plpy.execute(
|
||||
"SELECT cdb_dataservices_client._DST_DisconnectUserTable({username}::text, {orgname}::text, {server_schema}::text, "
|
||||
"{server_table_name}::text, {fdw_server}::text)" .format(
|
||||
username=plpy.quote_nullable(username),
|
||||
orgname=plpy.quote_nullable(orgname),
|
||||
server_schema=plpy.quote_literal(server_schema),
|
||||
server_table_name=plpy.quote_literal(server_table_name),
|
||||
fdw_server=plpy.quote_literal(server_name)))
|
||||
|
||||
return True
|
||||
$$ LANGUAGE plpythonu;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_ConnectUserTable(
|
||||
username text,
|
||||
orgname text,
|
||||
user_db_role text,
|
||||
user_schema text,
|
||||
dbname text,
|
||||
table_name text
|
||||
)RETURNS cdb_dataservices_client.ds_fdw_metadata AS $$
|
||||
CONNECT cdb_dataservices_client._server_conn_str();
|
||||
TARGET cdb_dataservices_server._DST_ConnectUserTable;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
RETURNS cdb_dataservices_client.ds_return_metadata AS $$
|
||||
CONNECT _server_conn_str();
|
||||
TARGET cdb_dataservices_server._OBS_GetReturnMetadata;
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_GetReturnMetadata(
|
||||
username text,
|
||||
orgname text,
|
||||
function_name text,
|
||||
params json
|
||||
) RETURNS cdb_dataservices_client.ds_return_metadata AS $$
|
||||
CONNECT cdb_dataservices_client._server_conn_str();
|
||||
TARGET cdb_dataservices_server._DST_GetReturnMetadata;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS SETOF record AS $$
|
||||
CONNECT _server_conn_str();
|
||||
TARGET cdb_dataservices_server._OBS_FetchJoinFdwTableData;
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_FetchJoinFdwTableData(
|
||||
username text,
|
||||
orgname text,
|
||||
table_schema text,
|
||||
table_name text,
|
||||
function_name text,
|
||||
params json
|
||||
) RETURNS SETOF record AS $$
|
||||
CONNECT cdb_dataservices_client._server_conn_str();
|
||||
TARGET cdb_dataservices_server._DST_FetchJoinFdwTableData;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, server_name text)
|
||||
RETURNS boolean AS $$
|
||||
CONNECT _server_conn_str();
|
||||
TARGET cdb_dataservices_server._OBS_DisconnectUserTable;
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_client._DST_DisconnectUserTable(
|
||||
username text,
|
||||
orgname text,
|
||||
table_schema text,
|
||||
table_name text,
|
||||
server_name text
|
||||
) RETURNS boolean AS $$
|
||||
CONNECT cdb_dataservices_client._server_conn_str();
|
||||
TARGET cdb_dataservices_server._DST_DisconnectUserTable;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
@ -1,2 +1,2 @@
|
||||
GRANT EXECUTE ON FUNCTION cdb_dataservices_client._obs_augmenttable(table_name text, function_name text, params json) TO publicuser;
|
||||
GRANT EXECUTE ON FUNCTION cdb_dataservices_client._obs_gettable(table_name text, output_table_name text, function_name text, params json) TO publicuser;
|
||||
GRANT EXECUTE ON FUNCTION cdb_dataservices_client._DST_PrepareTableOBS_GetMeasure(output_table_name text, params json) TO publicuser;
|
||||
GRANT EXECUTE ON FUNCTION cdb_dataservices_client._DST_PopulateTableOBS_GetMeasure(table_name text, output_table_name text, params json) TO publicuser;
|
||||
|
||||
@ -3,65 +3,63 @@ SET search_path TO public,cartodb,cdb_dataservices_client;
|
||||
CREATE TABLE my_table(cartodb_id int);
|
||||
INSERT INTO my_table (cartodb_id) VALUES (1);
|
||||
-- Mock the server functions
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
RETURNS cdb_dataservices_client.ds_fdw_metadata AS $$
|
||||
BEGIN
|
||||
RETURN ('dummy_schema'::text, 'dummy_table'::text, 'dummy_server'::text);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
RETURNS cdb_dataservices_client.ds_return_metadata AS $$
|
||||
BEGIN
|
||||
RETURN (Array['total_pop'], Array['double precision']);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS RECORD AS $$
|
||||
BEGIN
|
||||
RETURN (23.4::double precision, 1::int);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
RETURNS boolean AS $$
|
||||
BEGIN
|
||||
RETURN true;
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
-- Augment a table with the total_pop column
|
||||
SELECT cdb_dataservices_client._OBS_AugmentTable('my_table', 'dummy', '{"dummy":"dummy"}'::json);
|
||||
_obs_augmenttable
|
||||
-------------------
|
||||
-- Create a sample user table
|
||||
CREATE TABLE user_table (cartodb_id int, the_geom geometry);
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (1, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (2, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (3, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
-- Prepare a table with the total_pop column
|
||||
SELECT cdb_dataservices_client._DST_PrepareTableOBS_GetMeasure('my_table_dst', '{"dummy":"dummy"}'::json);
|
||||
_dst_preparetableobs_getmeasure
|
||||
---------------------------------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
-- The results of the table should return the mocked value of 23.4 in the total_pop column
|
||||
SELECT * FROM my_table;
|
||||
cartodb_id | total_pop
|
||||
------------+-----------
|
||||
1 | 23.4
|
||||
(1 row)
|
||||
-- The table should now exist and be empty
|
||||
SELECT * FROM my_table_dst;
|
||||
cartodb_id | the_geom | total_pop
|
||||
------------+----------+-----------
|
||||
(0 rows)
|
||||
|
||||
-- Mock again the function for it to return a different value now
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS RECORD AS $$
|
||||
BEGIN
|
||||
RETURN (577777.4::double precision, 1::int);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
-- Augment a new table with total_pop
|
||||
SELECT cdb_dataservices_client._OBS_GetTable('my_table', 'my_table_new', 'dummy', '{"dummy":"dummy"}'::json);
|
||||
_obs_gettable
|
||||
---------------
|
||||
-- Populate the table with measurement data
|
||||
SELECT cdb_dataservices_client._DST_PopulateTableOBS_GetMeasure('user_table', 'my_table_dst', '{"dummy":"dummy"}'::json);
|
||||
_dst_populatetableobs_getmeasure
|
||||
----------------------------------
|
||||
t
|
||||
(1 row)
|
||||
|
||||
-- Check that the table contains the new value for total_pop and not the value already existent in the table
|
||||
SELECT * FROM my_table_new;
|
||||
total_pop | cartodb_id
|
||||
-----------+------------
|
||||
577777.4 | 1
|
||||
(1 row)
|
||||
-- The table should now show the results
|
||||
SELECT * FROM my_table_dst;
|
||||
cartodb_id | the_geom | total_pop
|
||||
------------+----------------------------------------------------+-----------
|
||||
1 | 0101000020E6100000F74FC902E07D52C05FE24CC7654B4440 | 23.4
|
||||
2 | 0101000020E6100000F74FC902E07D52C05FE24CC7654B4440 |
|
||||
3 | 0101000020E6100000F74FC902E07D52C05FE24CC7654B4440 |
|
||||
(3 rows)
|
||||
|
||||
-- Clean tables
|
||||
DROP TABLE my_table;
|
||||
DROP TABLE my_table_new;
|
||||
DROP TABLE my_table_dst;
|
||||
|
||||
@ -6,54 +6,51 @@ CREATE TABLE my_table(cartodb_id int);
|
||||
INSERT INTO my_table (cartodb_id) VALUES (1);
|
||||
|
||||
-- Mock the server functions
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
RETURNS cdb_dataservices_client.ds_fdw_metadata AS $$
|
||||
BEGIN
|
||||
RETURN ('dummy_schema'::text, 'dummy_table'::text, 'dummy_server'::text);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
RETURNS cdb_dataservices_client.ds_return_metadata AS $$
|
||||
BEGIN
|
||||
RETURN (Array['total_pop'], Array['double precision']);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS RECORD AS $$
|
||||
BEGIN
|
||||
RETURN (23.4::double precision, 1::int);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
RETURNS boolean AS $$
|
||||
BEGIN
|
||||
RETURN true;
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
|
||||
-- Augment a table with the total_pop column
|
||||
SELECT cdb_dataservices_client._OBS_AugmentTable('my_table', 'dummy', '{"dummy":"dummy"}'::json);
|
||||
-- Create a sample user table
|
||||
CREATE TABLE user_table (cartodb_id int, the_geom geometry);
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (1, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (2, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
INSERT INTO user_table(cartodb_id, the_geom) VALUES (3, '0101000020E6100000F74FC902E07D52C05FE24CC7654B4440');
|
||||
|
||||
-- The results of the table should return the mocked value of 23.4 in the total_pop column
|
||||
SELECT * FROM my_table;
|
||||
-- Prepare a table with the total_pop column
|
||||
SELECT cdb_dataservices_client._DST_PrepareTableOBS_GetMeasure('my_table_dst', '{"dummy":"dummy"}'::json);
|
||||
|
||||
-- Mock again the function for it to return a different value now
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS RECORD AS $$
|
||||
BEGIN
|
||||
RETURN (577777.4::double precision, 1::int);
|
||||
END;
|
||||
$$ LANGUAGE 'plpgsql';
|
||||
-- The table should now exist and be empty
|
||||
SELECT * FROM my_table_dst;
|
||||
|
||||
-- Augment a new table with total_pop
|
||||
SELECT cdb_dataservices_client._OBS_GetTable('my_table', 'my_table_new', 'dummy', '{"dummy":"dummy"}'::json);
|
||||
-- Populate the table with measurement data
|
||||
SELECT cdb_dataservices_client._DST_PopulateTableOBS_GetMeasure('user_table', 'my_table_dst', '{"dummy":"dummy"}'::json);
|
||||
|
||||
-- Check that the table contains the new value for total_pop and not the value already existent in the table
|
||||
SELECT * FROM my_table_new;
|
||||
-- The table should now show the results
|
||||
SELECT * FROM my_table_dst;
|
||||
|
||||
-- Clean tables
|
||||
DROP TABLE my_table;
|
||||
DROP TABLE my_table_new;
|
||||
DROP TABLE my_table_dst;
|
||||
@ -2,34 +2,34 @@ CREATE TYPE cdb_dataservices_server.ds_fdw_metadata as (schemaname text, tabname
|
||||
|
||||
CREATE TYPE cdb_dataservices_server.ds_return_metadata as (colnames text[], coltypes text[]);
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, table_name text)
|
||||
RETURNS cdb_dataservices_server.ds_fdw_metadata AS $$
|
||||
host_addr = plpy.execute("SELECT split_part(inet_client_addr()::text, '/', 1) as user_host")[0]['user_host']
|
||||
return plpy.execute("SELECT * FROM cdb_dataservices_server.__OBS_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {schema}::text, {dbname}::text, {host_addr}::text, {table_name}::text)"
|
||||
return plpy.execute("SELECT * FROM cdb_dataservices_server.__DST_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {schema}::text, {dbname}::text, {host_addr}::text, {table_name}::text)"
|
||||
.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), user_db_role=plpy.quote_literal(user_db_role), schema=plpy.quote_literal(input_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name), host_addr=plpy.quote_literal(host_addr))
|
||||
)[0]
|
||||
$$ LANGUAGE plpythonu;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server.__OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, host_addr text, table_name text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server.__DST_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, host_addr text, table_name text)
|
||||
RETURNS cdb_dataservices_server.ds_fdw_metadata AS $$
|
||||
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
|
||||
TARGET cdb_observatory._OBS_ConnectUserTable;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_GetReturnMetadata(username text, orgname text, function_name text, params json)
|
||||
RETURNS cdb_dataservices_server.ds_return_metadata AS $$
|
||||
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
|
||||
TARGET cdb_observatory._OBS_GetReturnMetadata;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
|
||||
RETURNS SETOF record AS $$
|
||||
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
|
||||
TARGET cdb_observatory._OBS_FetchJoinFdwTableData;
|
||||
$$ LANGUAGE plproxy;
|
||||
|
||||
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
|
||||
RETURNS boolean AS $$
|
||||
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
|
||||
TARGET cdb_observatory._OBS_DisconnectUserTable;
|
||||
|
||||
@ -2,7 +2,7 @@ SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_connectusertable'
|
||||
AND proname = '_dst_connectusertable'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text, text');
|
||||
exists
|
||||
--------
|
||||
@ -13,7 +13,7 @@ SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_getreturnmetadata'
|
||||
AND proname = '_dst_getreturnmetadata'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, json');
|
||||
exists
|
||||
--------
|
||||
@ -24,7 +24,7 @@ SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_fetchjoinfdwtabledata'
|
||||
AND proname = '_dst_fetchjoinfdwtabledata'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text, json');
|
||||
exists
|
||||
--------
|
||||
@ -35,7 +35,7 @@ SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_disconnectusertable'
|
||||
AND proname = '_dst_disconnectusertable'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text');
|
||||
exists
|
||||
--------
|
||||
|
||||
@ -2,27 +2,27 @@ SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_connectusertable'
|
||||
AND proname = '_dst_connectusertable'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text, text');
|
||||
|
||||
SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_getreturnmetadata'
|
||||
AND proname = '_dst_getreturnmetadata'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, json');
|
||||
|
||||
SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_fetchjoinfdwtabledata'
|
||||
AND proname = '_dst_fetchjoinfdwtabledata'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text, json');
|
||||
|
||||
SELECT exists(SELECT *
|
||||
FROM pg_proc p
|
||||
INNER JOIN pg_namespace ns ON (p.pronamespace = ns.oid)
|
||||
WHERE ns.nspname = 'cdb_dataservices_server'
|
||||
AND proname = '_obs_disconnectusertable'
|
||||
AND proname = '_dst_disconnectusertable'
|
||||
AND oidvectortypes(p.proargtypes) = 'text, text, text, text, text');
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user