Slony-I 2.2.0.b1 Documentation | ||||
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Function Properties
Language: PLPGSQL
Return Type: integer
Capture an SQL statement (usually DDL) that is to be literally replayed on subscribersdeclare c_local_node integer; c_found_origin boolean; c_node text; c_cmdargs text[]; begin c_local_node := getLocalNodeId('_schemadoc'); c_cmdargs = array_append('{}'::text[], p_statement); if p_nodes is not null then c_found_origin := 'f'; -- p_nodes list needs to consist of a list of nodes that exist -- and that include the current node ID for c_node in select trim(node) from pg_catalog.regexp_split_to_table(p_nodes, ',') as node loop if not exists (select 1 from sl_node where no_id = (c_node::integer)) then raise exception 'ddlcapture(%,%) - node % does not exist!', p_statement, p_nodes, c_node; end if; if c_local_node = (c_node::integer) then c_found_origin := 't'; end if; c_cmdargs = array_append(c_cmdargs, c_node); end loop; if not c_found_origin then raise exception 'ddlcapture(%,%) - origin node % not included in ONLY ON list!', p_statement, p_nodes, c_local_node; end if; end if; execute p_statement; insert into sl_log_script (log_origin, log_txid, log_actionseq, log_cmdtype, log_cmdargs) values (c_local_node, pg_catalog.txid_current(), nextval('sl_action_seq'), 'S', c_cmdargs); return currval('sl_action_seq'); end;