mirror of
https://git.postgresql.org/git/postgresql.git
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f85f43dfb5
only remnant of this failed experiment is that the server will take SET AUTOCOMMIT TO ON. Still TODO: provide some client-side autocommit logic in libpq.
103 lines
1.9 KiB
PL/PgSQL
103 lines
1.9 KiB
PL/PgSQL
CREATE TABLE x (
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a serial,
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b int,
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c text not null default 'stuff',
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d text not null,
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e text
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);
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CREATE FUNCTION fn_x_before () RETURNS TRIGGER AS '
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BEGIN
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NEW.e := ''before trigger fired''::text;
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return NEW;
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END;
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' language 'plpgsql';
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CREATE FUNCTION fn_x_after () RETURNS TRIGGER AS '
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BEGIN
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UPDATE x set e=''after trigger fired'' where c=''stuff'';
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return NULL;
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END;
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' language 'plpgsql';
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CREATE TRIGGER trg_x_after AFTER INSERT ON x
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FOR EACH ROW EXECUTE PROCEDURE fn_x_after();
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CREATE TRIGGER trg_x_before BEFORE INSERT ON x
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FOR EACH ROW EXECUTE PROCEDURE fn_x_before();
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COPY x (a, b, c, d, e) from stdin;
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10000 21 31 41 51
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\.
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COPY x (b, d) from stdin;
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1 test_1
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\.
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COPY x (b, d) from stdin;
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2 test_2
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3 test_3
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4 test_4
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5 test_5
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\.
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COPY x (a, b, c, d, e) from stdin;
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10001 22 32 42 52
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10002 23 33 43 53
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10003 24 34 44 54
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10004 25 35 45 55
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10005 26 36 46 56
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\.
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-- non-existent column in column list: should fail
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COPY x (xyz) from stdin;
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-- too many columns in column list: should fail
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COPY x (a, b, c, d, e, d, c) from stdin;
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-- missing data: should fail
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COPY x from stdin;
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\.
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COPY x from stdin;
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2000 230 23 23
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\.
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COPY x from stdin;
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2001 231 \N \N
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\.
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-- extra data: should fail
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COPY x from stdin;
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2002 232 40 50 60 70 80
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\.
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-- various COPY options: delimiters, oids, NULL string
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COPY x (b, c, d, e) from stdin with oids delimiter ',' null 'x';
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500000,x,45,80,90
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\.
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-- check results of copy in
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SELECT * FROM x;
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-- COPY w/ oids on a table w/o oids should fail
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CREATE TABLE no_oids (
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a int,
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b int
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) WITHOUT OIDS;
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INSERT INTO no_oids (a, b) VALUES (5, 10);
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INSERT INTO no_oids (a, b) VALUES (20, 30);
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-- should fail
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COPY no_oids FROM stdin WITH OIDS;
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COPY no_oids TO stdout WITH OIDS;
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-- check copy out
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COPY x TO stdout;
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COPY x (c, e) TO stdout;
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COPY x (b, e) TO stdout WITH NULL 'I''m null';
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DROP TABLE x;
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DROP FUNCTION fn_x_before();
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DROP FUNCTION fn_x_after();
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