50 lines
1.5 KiB
PL/PgSQL
50 lines
1.5 KiB
PL/PgSQL
----------------------------------------------------------------------
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-- Federated Tables management functions
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----------------------------------------------------------------------
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-- Take a server_config jsonb and transform it to an input suitable
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-- for _CDB_SetUp_User_PG_FDW_Server
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CREATE OR REPLACE FUNCTION @extschema@.__cdb_credentials_to_user_mapping(input_config jsonb)
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RETURNS jsonb
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AS $$
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DECLARE
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user_mapping jsonb;
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BEGIN
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user_mapping := json_build_object('user_mapping',
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jsonb_build_object(
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'user', input_config->'credentials'->'username',
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'password', input_config->'credentials'->'password'
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)
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);
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RETURN (input_config - 'credentials')::jsonb || user_mapping;
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END
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$$
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LANGUAGE PLPGSQL IMMUTABLE PARALLEL SAFE;
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--
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-- Set up a federated server for later connection of tables/views
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-- E.g:
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-- SELECT cartodb.CDB_SetUp_PG_Federated_Server('amazon', '{
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-- "server": {
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-- "dbname": "testdb",
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-- "host": "myhostname.us-east-2.rds.amazonaws.com",
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-- "port": "5432"
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-- },
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-- "credentials": {
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-- "username": "read_only_user",
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-- "password": "secret"
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-- }
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-- }');
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CREATE OR REPLACE FUNCTION @extschema@.CDB_SetUp_PG_Federated_Server(server_alias text, server_config jsonb)
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RETURNS void
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AS $$
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DECLARE
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final_config jsonb;
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BEGIN
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final_config := @extschema@.__cdb_credentials_to_user_mapping(server_config);
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PERFORM cartodb._CDB_SetUp_User_PG_FDW_Server(server_alias, final_config::json);
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END
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$$
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LANGUAGE PLPGSQL VOLATILE PARALLEL UNSAFE;
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