Add augment functions

server/extension/sql/125_data_observatory_table_augment.sql

@@ -0,0 +1,54 @@
+CREATE TYPE ds_fdw_metadata as (schemaname text, tabname text, servername text);
+CREATE TYPE ds_return_metadata as (colnames text[], coltypes text[]);
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_ConnectUserTable(username text, useruuid text, input_schema text, dbname text, table_name text)
+RETURNS ds_fdw_metadata AS $$
+  ---- quota/checks and internal call to function
+  --TODO: need username and orgname
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetReturnMetadata(params json)
+RETURNS ds_return_metadata AS $$
+  ---- quota/checks and internal call to function
+  --TODO: need username and orgname
+$$ LANGUAGE plpythonu;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_GetAugmentedColumns(table_schema text, table_name text, params json)
+RETURNS SETOF record AS $$
+  ---- quota/checks and internal call to function
+  --TODO: need username and orgname
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server.OBS_DisconnectUserTable(table_schema text, table_name text, servername text)
+RETURNS boolean AS $$
+  ---- quota/checks and internal call to function
+  --TODO: need username and orgname
+$$ LANGUAGE plpythonu;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_ConnectUserTable(username text, useruuid text, input_schema text, dbname text, table_name text)
+RETURNS ds_fdw_metadata AS $$
+    CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
+    SELECT cdb_observatory._OBS_ConnectUserTable(username text, useruuid text, input_schema text, dbname text, host text, table_name text);
+$$ LANGUAGE plproxy;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetReturnMetadata(params json)
+RETURNS ds_return_metadata AS $$
+    CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
+    SELECT cdb_observatory._OBS_GetReturnMetadata(params json);
+$$ LANGUAGE plproxy;
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_GetAugmentedColumns(table_schema text, table_name text, params json)
+RETURNS SETOF record AS $$
+    CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
+    SELECT cdb_observatory._OBS_GetReturnMetadata(params json);
+$$ LANGUAGE plproxy;
+
+
+CREATE OR REPLACE FUNCTION cdb_dataservices_server._OBS_DisconnectUserTable(table_schema text, table_name text, servername text)
+RETURNS boolean AS $$
+    CONNECT cdb_dataservices_server._obs_server_conn_str(username, orgname);
+    SELECT cdb_observatory._OBS_DisconnectUserTable(table_schema text, table_name text, servername text);
+$$ LANGUAGE plproxy;