Merge pull request #210 from CartoDB/augment_functions_rebased

Add OBS_AugmentTable and OBS_GetTable
This commit is contained in:
Carla
2016-07-11 12:41:49 +02:00
committed by GitHub
11 changed files with 509 additions and 10 deletions

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@@ -49,7 +49,7 @@ Steps to deploy a new Data Services API version :
- install python library
```
cd server/lib/python/cartodb_services && python setup.py install
cd server/lib/python/cartodb_services && sudo pip install --upgrade .
```
- install extensions in user database
@@ -62,16 +62,16 @@ Steps to deploy a new Data Services API version :
create extension cdb_dataservices_client;
```
- add configuration for different services in user database
- add configuration for different services in server database
```
# If sentinel is used:
SELECT CDB_Conf_SetConf('redis_metadata_config', '{"sentinel_host": "localhost", "sentinel_port": 26379, "sentinel_master_id": "mymaster", "timeout": 0.1, "redis_db": 5}');
SELECT CDB_Conf_SetConf('redis_metrics_config', '{"sentinel_host": "localhost", "sentinel_port": 26379, "sentinel_master_id": "", "timeout": 0.1, "redis_db": 5}');
SELECT CDB_Conf_SetConf('redis_metrics_config', '{"sentinel_host": "localhost", "sentinel_port": 26379, "sentinel_master_id": "mymaster", "timeout": 0.1, "redis_db": 5}');
# If sentinel is not used
SELECT CDB_Conf_SetConf('redis_metadata_config', '{"redis_host": "localhost", "redis_port": 26379, "sentinel_master_id": "", "timeout": 0.1, "redis_db": 5}');
SELECT CDB_Conf_SetConf('redis_metadata_config', '{"redis_host": "localhost", "redis_port": 6379, "sentinel_master_id": "", "timeout": 0.1, "redis_db": 5}');
SELECT CDB_Conf_SetConf('redis_metrics_config', '{"redis_host": "localhost", "redis_port": 6379, "sentinel_master_id": "", "timeout": 0.1, "redis_db": 5}');
SELECT CDB_Conf_SetConf('heremaps_conf', '{"geocoder": {"app_id": "here_geocoder_app_id", "app_code": "here_geocoder_app_code", "geocoder_cost_per_hit": "1"}, "isolines" : {"app_id": "here_isolines_app_id", "app_code": "here_geocoder_app_code"}}');
@@ -81,10 +81,13 @@ Steps to deploy a new Data Services API version :
SELECT CDB_Conf_SetConf('data_observatory_conf', '{"connection": {"whitelist": [], "production": "host=localhost port=5432 dbname=dataservices_db user=geocoder_api", "staging": "host=localhost port=5432 dbname=dataservices_db user=geocoder_api"}}')
```
- configure plproxy to point to the a database (you can use a specific database for the server or your same user)
- configure the user DB:
```
SELECT CDB_Conf_SetConf('geocoder_server_config', '{ "connection_str": "host=localhost port=5432 dbname=<SERVER_DB_NAME> user=postgres"}');
```sql
-- Point to the dataservices server DB (you can use a specific database for the server or your same user's):
SELECT CDB_Conf_SetConf('geocoder_server_config', '{ "connection_str": "host=localhost port=5432 dbname=<SERVER_DB_NAME> user=postgres"}');
SELECT CDB_Conf_SetConf('user_config', '{"is_organization": false, "entity_name": "<YOUR_USERNAME>"}');
```
- configure the search path in order to be able to execute the functions without using the schema:

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@@ -0,0 +1,263 @@
CREATE TYPE cdb_dataservices_client.ds_fdw_metadata as (schemaname text, tabname text, servername text);
CREATE TYPE cdb_dataservices_client.ds_return_metadata as (colnames text[], coltypes text[]);
CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_GetTable(table_name text, output_table_name text, function_name text, params json)
RETURNS boolean AS $$
DECLARE
username text;
user_db_role text;
orgname text;
dbname text;
user_schema text;
result boolean;
BEGIN
IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
RAISE EXCEPTION 'The api_key must be provided';
END IF;
SELECT session_user INTO user_db_role;
SELECT u, o INTO username, orgname FROM cdb_dataservices_client._cdb_entity_config() AS (u text, o text);
-- JSON value stored "" is taken as literal
IF username IS NULL OR username = '' OR username = '""' THEN
RAISE EXCEPTION 'Username is a mandatory argument';
END IF;
IF orgname IS NULL OR orgname = '' OR orgname = '""' THEN
user_schema := 'public';
ELSE
user_schema := username;
END IF;
SELECT current_database() INTO dbname;
SELECT cdb_dataservices_client.__OBS_GetTable(username, orgname, user_db_role, user_schema, dbname, table_name, output_table_name, function_name, params) INTO result;
RETURN result;
END;
$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
CREATE OR REPLACE FUNCTION cdb_dataservices_client._OBS_AugmentTable(table_name text, function_name text, params json)
RETURNS boolean AS $$
DECLARE
username text;
user_db_role text;
orgname text;
dbname text;
user_schema text;
result boolean;
BEGIN
IF session_user = 'publicuser' OR session_user ~ 'cartodb_publicuser_*' THEN
RAISE EXCEPTION 'The api_key must be provided';
END IF;
SELECT session_user INTO user_db_role;
SELECT u, o INTO username, orgname FROM cdb_dataservices_client._cdb_entity_config() AS (u text, o text);
-- JSON value stored "" is taken as literal
IF username IS NULL OR username = '' OR username = '""' THEN
RAISE EXCEPTION 'Username is a mandatory argument';
END IF;
IF orgname IS NULL OR orgname = '' OR orgname = '""' THEN
user_schema := 'public';
ELSE
user_schema := username;
END IF;
SELECT current_database() INTO dbname;
SELECT cdb_dataservices_client.__OBS_AugmentTable(username, orgname, user_db_role, user_schema, dbname, table_name, function_name, params) INTO result;
RETURN result;
END;
$$ LANGUAGE 'plpgsql' SECURITY DEFINER;
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)
RETURNS boolean AS $$
from time import strftime
try:
server_table_name = None
temporary_table_name = 'ds_tmp_' + str(strftime("%s")) + table_name
# Obtain return types for augmentation procedure
ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
"FROM cdb_dataservices_client._OBS_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params))
)
colnames_arr = ds_return_metadata[0]["colnames"]
coltypes_arr = ds_return_metadata[0]["coltypes"]
# Prepare column and type strings required in the SQL queries
colnames = ','.join(colnames_arr)
columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
columns_with_types = ','.join(columns_with_types_arr)
# 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("SELECT schemaname, tabname, servername "
"FROM cdb_dataservices_client._OBS_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {user_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), user_schema=plpy.quote_literal(user_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name))
)
server_schema = ds_fdw_metadata[0]["schemaname"]
server_table_name = ds_fdw_metadata[0]["tabname"]
server_name = ds_fdw_metadata[0]["servername"]
# Create temporary table with the augmented results
plpy.execute('CREATE UNLOGGED TABLE "{user_schema}".{temp_table_name} AS '
'(SELECT {columns}, cartodb_id '
'FROM cdb_dataservices_client._OBS_FetchJoinFdwTableData('
'{username}::text, {orgname}::text, {schema}::text, {table_name}::text, {function_name}::text, {params}::json) '
'AS results({columns_with_types}, cartodb_id int) )'
.format(columns=colnames, username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname),
user_schema=user_schema, schema=plpy.quote_literal(server_schema), 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,
temp_table_name=temporary_table_name)
)
# Wipe user FDW data from the server
wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_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))
)
# Prepare table to receive augmented results in new columns
for idx, column in enumerate(colnames_arr):
if colnames_arr[idx] is not 'the_geom':
plpy.execute('ALTER TABLE "{user_schema}".{table_name} ADD COLUMN {column_name} {column_type}'
.format(user_schema=user_schema, table_name=table_name, column_name=colnames_arr[idx], column_type=coltypes_arr[idx])
)
# Populate the user table with the augmented results
plpy.execute('UPDATE "{user_schema}".{table_name} SET {columns} = '
'(SELECT {columns} FROM "{user_schema}".{temporary_table_name} '
'WHERE "{user_schema}".{temporary_table_name}.cartodb_id = "{user_schema}".{table_name}.cartodb_id)'
.format(columns = colnames, username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname),
user_schema = user_schema, table_name=table_name, function_name=function_name, params=params, columns_with_types=columns_with_types,
temporary_table_name=temporary_table_name)
)
plpy.execute('DROP TABLE IF EXISTS "{user_schema}".{temporary_table_name}'
.format(user_schema=user_schema, table_name=table_name, temporary_table_name=temporary_table_name)
)
return True
except Exception as e:
plpy.warning('Error trying to augment table {0}'.format(e))
# Wipe user FDW data from the server in case of failure if the table was connected
if server_table_name:
# Wipe local temporary table
plpy.execute('DROP TABLE IF EXISTS "{user_schema}".{temporary_table_name}'
.format(user_schema=user_schema, table_name=table_name, temporary_table_name=temporary_table_name)
)
wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_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 False
$$ LANGUAGE plpythonu;
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)
RETURNS boolean AS $$
try:
server_table_name = None
# Obtain return types for augmentation procedure
ds_return_metadata = plpy.execute("SELECT colnames, coltypes "
"FROM cdb_dataservices_client._OBS_GetReturnMetadata({username}::text, {orgname}::text, {function_name}::text, {params}::json);"
.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params))
)
colnames_arr = ds_return_metadata[0]["colnames"]
coltypes_arr = ds_return_metadata[0]["coltypes"]
# Prepare column and type strings required in the SQL queries
colnames = ','.join(colnames_arr)
columns_with_types_arr = [colnames_arr[i] + ' ' + coltypes_arr[i] for i in range(0,len(colnames_arr))]
columns_with_types = ','.join(columns_with_types_arr)
# 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("SELECT schemaname, tabname, servername "
"FROM cdb_dataservices_client._OBS_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))
)
server_schema = ds_fdw_metadata[0]["schemaname"]
server_table_name = ds_fdw_metadata[0]["tabname"]
server_name = ds_fdw_metadata[0]["servername"]
# Get list of user columns to include in the new table
user_table_columns = ','.join(
plpy.execute('SELECT array_agg(\'user_table.\' || attname) AS columns '
'FROM pg_attribute WHERE attrelid = \'"{user_schema}".{table_name}\'::regclass '
'AND attnum > 0 AND NOT attisdropped AND attname NOT LIKE \'the_geom_webmercator\' '
'AND NOT attname LIKE ANY(string_to_array(\'{colnames}\',\',\'));'
.format(user_schema=user_schema, table_name=table_name, colnames=colnames)
)[0]["columns"]
)
# Populate a new table with the augmented results
plpy.execute('CREATE TABLE "{user_schema}".{output_table_name} AS '
'(SELECT results.{columns}, {user_table_columns} '
'FROM {table_name} AS user_table '
'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) '
'ON results.cartodb_id = user_table.cartodb_id)'
.format(output_table_name=output_table_name, columns=colnames, user_table_columns=user_table_columns, username=plpy.quote_nullable(username),
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),
table_name=table_name, function_name=plpy.quote_literal(function_name), params=plpy.quote_literal(params), columns_with_types=columns_with_types)
)
plpy.execute('ALTER TABLE "{schema}".{table_name} OWNER TO "{user}";'
.format(schema=user_schema, table_name=output_table_name, user=user_db_role)
)
# Wipe user FDW data from the server
wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_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
except Exception as e:
plpy.warning('Error trying to get table {0}'.format(e))
# Wipe user FDW data from the server in case of failure if the table was connected
if server_table_name:
wiped = plpy.execute("SELECT cdb_dataservices_client._OBS_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 False
$$ LANGUAGE plpythonu;
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)
RETURNS cdb_dataservices_client.ds_fdw_metadata AS $$
CONNECT _server_conn_str();
TARGET cdb_dataservices_server._OBS_ConnectUserTable;
$$ 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 $$
CONNECT _server_conn_str();
TARGET cdb_dataservices_server._OBS_GetReturnMetadata;
$$ 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 $$
CONNECT _server_conn_str();
TARGET cdb_dataservices_server._OBS_FetchJoinFdwTableData;
$$ 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 $$
CONNECT _server_conn_str();
TARGET cdb_dataservices_server._OBS_DisconnectUserTable;
$$ LANGUAGE plproxy;

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@@ -0,0 +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;

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@@ -0,0 +1,67 @@
-- Add to the search path the schema
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)
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)
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)
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)
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
-------------------
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)
-- 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
---------------
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)
-- Clean tables
DROP TABLE my_table;
DROP TABLE my_table_new;

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@@ -0,0 +1,59 @@
-- Add to the search path the schema
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)
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)
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)
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)
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);
-- The results of the table should return the mocked value of 23.4 in the total_pop column
SELECT * FROM my_table;
-- 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);
-- 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;
-- Clean tables
DROP TABLE my_table;
DROP TABLE my_table_new;

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@@ -2131,4 +2131,4 @@ BEGIN
GRANT USAGE ON SCHEMA cdb_dataservices_server TO geocoder_api;
GRANT USAGE ON SCHEMA public TO geocoder_api;
GRANT SELECT ON ALL TABLES IN SCHEMA public TO geocoder_api;
END$$;
END$$;

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@@ -0,0 +1,35 @@
CREATE TYPE cdb_dataservices_server.ds_fdw_metadata as (schemaname text, tabname text, servername text);
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)
RETURNS cdb_dataservices_server.ds_fdw_metadata AS $$
return plpy.execute("SELECT * FROM cdb_dataservices_server.__OBS_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {schema}::text, {dbname}::text, {table_name}::text)"
.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), user_db_role=plpy.quote_literal(user_db_role), schema=plpy.quote_literal(input_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name))
)[0]
$$ LANGUAGE plpythonu;
CREATE OR REPLACE FUNCTION cdb_dataservices_server.__OBS_ConnectUserTable(username text, orgname text, user_db_role text, input_schema text, dbname text, 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)
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)
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)
RETURNS boolean AS $$
CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
TARGET cdb_observatory._OBS_DisconnectUserTable;
$$ LANGUAGE plproxy;

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@@ -1,6 +1,5 @@
-- Install dependencies
CREATE EXTENSION postgis;
CREATE EXTENSION schema_triggers;
CREATE EXTENSION plpythonu;
CREATE EXTENSION plproxy;
CREATE EXTENSION cartodb;

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@@ -0,0 +1,44 @@
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 oidvectortypes(p.proargtypes) = 'text, text, text, text, text, text');
exists
--------
t
(1 row)
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 oidvectortypes(p.proargtypes) = 'text, text, text, json');
exists
--------
t
(1 row)
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 oidvectortypes(p.proargtypes) = 'text, text, text, text, text, json');
exists
--------
t
(1 row)
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 oidvectortypes(p.proargtypes) = 'text, text, text, text, text');
exists
--------
t
(1 row)

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@@ -1,6 +1,5 @@
-- Install dependencies
CREATE EXTENSION postgis;
CREATE EXTENSION schema_triggers;
CREATE EXTENSION plpythonu;
CREATE EXTENSION plproxy;
CREATE EXTENSION cartodb;

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@@ -0,0 +1,28 @@
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 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 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 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 oidvectortypes(p.proargtypes) = 'text, text, text, text, text');