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>8.47. ddlscript_prepare_int(p_only_on_node integer, p_set_id integer)</A
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> <P
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>Function Properties</B
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>Language: </B
>PLPGSQL</P
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>Return Type: </B
>integer</P
>
ddlScript_prepare_int (set_id, only_on_node)
Do preparatory work for a DDL script, restoring
triggers/rules to original state.
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>declare
v_set_origin int4;
v_no_id int4;
v_row record;
begin
-- ----
-- Check that we either are the set origin or a current
-- subscriber of the set.
-- ----
v_no_id := getLocalNodeId('_schemadoc');
select set_origin into v_set_origin
from sl_set
where set_id = p_set_id
for update;
if not found then
raise exception 'Slony-I: set % not found', p_set_id;
end if;
if v_set_origin <> v_no_id
and not exists (select 1 from sl_subscribe
where sub_set = p_set_id
and sub_receiver = v_no_id)
then
return 0;
end if;
-- ----
-- If execution on only one node is requested, check that
-- we are that node.
-- ----
if p_only_on_node > 0 and p_only_on_node <> v_no_id then
return 0;
end if;
return p_set_id;
end;</PRE
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