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b3a9e9897e
This will possibly help a subsequent patch by making sure the notice messages are distinct so that it's clear that they come out in the right order. Author: Fabien COELHO <coelho@cri.ensmp.fr> Discussion: https://www.postgresql.org/message-id/alpine.DEB.2.21.1904240654120.3407%40lancre
92 lines
3.8 KiB
PL/PgSQL
92 lines
3.8 KiB
PL/PgSQL
--
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-- Test cases for COPY (INSERT/UPDATE/DELETE) TO
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--
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create table copydml_test (id serial, t text);
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insert into copydml_test (t) values ('a');
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insert into copydml_test (t) values ('b');
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insert into copydml_test (t) values ('c');
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insert into copydml_test (t) values ('d');
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insert into copydml_test (t) values ('e');
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--
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-- Test COPY (insert/update/delete ...)
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--
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copy (insert into copydml_test (t) values ('f') returning id) to stdout;
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copy (update copydml_test set t = 'g' where t = 'f' returning id) to stdout;
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copy (delete from copydml_test where t = 'g' returning id) to stdout;
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--
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-- Test \copy (insert/update/delete ...)
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--
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\copy (insert into copydml_test (t) values ('f') returning id) to stdout;
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\copy (update copydml_test set t = 'g' where t = 'f' returning id) to stdout;
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\copy (delete from copydml_test where t = 'g' returning id) to stdout;
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-- Error cases
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copy (insert into copydml_test default values) to stdout;
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copy (update copydml_test set t = 'g') to stdout;
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copy (delete from copydml_test) to stdout;
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create rule qqq as on insert to copydml_test do instead nothing;
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copy (insert into copydml_test default values) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on insert to copydml_test do also delete from copydml_test;
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copy (insert into copydml_test default values) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on insert to copydml_test do instead (delete from copydml_test; delete from copydml_test);
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copy (insert into copydml_test default values) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on insert to copydml_test where new.t <> 'f' do instead delete from copydml_test;
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copy (insert into copydml_test default values) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on update to copydml_test do instead nothing;
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copy (update copydml_test set t = 'f') to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on update to copydml_test do also delete from copydml_test;
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copy (update copydml_test set t = 'f') to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on update to copydml_test do instead (delete from copydml_test; delete from copydml_test);
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copy (update copydml_test set t = 'f') to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on update to copydml_test where new.t <> 'f' do instead delete from copydml_test;
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copy (update copydml_test set t = 'f') to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on delete to copydml_test do instead nothing;
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copy (delete from copydml_test) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on delete to copydml_test do also insert into copydml_test default values;
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copy (delete from copydml_test) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on delete to copydml_test do instead (insert into copydml_test default values; insert into copydml_test default values);
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copy (delete from copydml_test) to stdout;
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drop rule qqq on copydml_test;
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create rule qqq as on delete to copydml_test where old.t <> 'f' do instead insert into copydml_test default values;
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copy (delete from copydml_test) to stdout;
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drop rule qqq on copydml_test;
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-- triggers
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create function qqq_trig() returns trigger as $$
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begin
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if tg_op in ('INSERT', 'UPDATE') then
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raise notice '% % %', tg_when, tg_op, new.id;
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return new;
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else
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raise notice '% % %', tg_when, tg_op, old.id;
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return old;
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end if;
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end
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$$ language plpgsql;
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create trigger qqqbef before insert or update or delete on copydml_test
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for each row execute procedure qqq_trig();
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create trigger qqqaf after insert or update or delete on copydml_test
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for each row execute procedure qqq_trig();
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copy (insert into copydml_test (t) values ('f') returning id) to stdout;
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copy (update copydml_test set t = 'g' where t = 'f' returning id) to stdout;
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copy (delete from copydml_test where t = 'g' returning id) to stdout;
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drop table copydml_test;
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drop function qqq_trig();
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