37 lines
2.5 KiB
PL/PgSQL
37 lines
2.5 KiB
PL/PgSQL
CREATE TYPE cdb_dataservices_server.ds_fdw_metadata as (schemaname text, tabname text, servername text);
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CREATE TYPE cdb_dataservices_server.ds_return_metadata as (colnames text[], coltypes text[]);
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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)
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RETURNS cdb_dataservices_server.ds_fdw_metadata AS $$
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host_addr = plpy.execute("SELECT split_part(inet_client_addr()::text, '/', 1) as user_host")[0]['user_host']
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return plpy.execute("SELECT * FROM cdb_dataservices_server.__DST_ConnectUserTable({username}::text, {orgname}::text, {user_db_role}::text, {schema}::text, {dbname}::text, {host_addr}::text, {table_name}::text)"
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.format(username=plpy.quote_nullable(username), orgname=plpy.quote_nullable(orgname), user_db_role=plpy.quote_literal(user_db_role), schema=plpy.quote_literal(input_schema), dbname=plpy.quote_literal(dbname), table_name=plpy.quote_literal(table_name), host_addr=plpy.quote_literal(host_addr))
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)[0]
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$$ LANGUAGE plpythonu;
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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)
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RETURNS cdb_dataservices_server.ds_fdw_metadata AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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TARGET cdb_observatory._OBS_ConnectUserTable;
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$$ LANGUAGE plproxy;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_GetReturnMetadata(username text, orgname text, function_name text, params json)
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RETURNS cdb_dataservices_server.ds_return_metadata AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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TARGET cdb_observatory._OBS_GetReturnMetadata;
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$$ LANGUAGE plproxy;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_FetchJoinFdwTableData(username text, orgname text, table_schema text, table_name text, function_name text, params json)
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RETURNS SETOF record AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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TARGET cdb_observatory._OBS_FetchJoinFdwTableData;
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$$ LANGUAGE plproxy;
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CREATE OR REPLACE FUNCTION cdb_dataservices_server._DST_DisconnectUserTable(username text, orgname text, table_schema text, table_name text, servername text)
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RETURNS boolean AS $$
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CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
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TARGET cdb_observatory._OBS_DisconnectUserTable;
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$$ LANGUAGE plproxy;
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