CREATE TEMP TABLE x ( a serial, b int, c text not null default 'stuff', d text, e text ) WITH OIDS; CREATE FUNCTION fn_x_before () RETURNS TRIGGER AS ' BEGIN NEW.e := ''before trigger fired''::text; return NEW; END; ' LANGUAGE plpgsql; CREATE FUNCTION fn_x_after () RETURNS TRIGGER AS ' BEGIN UPDATE x set e=''after trigger fired'' where c=''stuff''; return NULL; END; ' LANGUAGE plpgsql; CREATE TRIGGER trg_x_after AFTER INSERT ON x FOR EACH ROW EXECUTE PROCEDURE fn_x_after(); CREATE TRIGGER trg_x_before BEFORE INSERT ON x FOR EACH ROW EXECUTE PROCEDURE fn_x_before(); COPY x (a, b, c, d, e) from stdin; COPY x (b, d) from stdin; COPY x (b, d) from stdin; COPY x (a, b, c, d, e) from stdin; -- non-existent column in column list: should fail COPY x (xyz) from stdin; ERROR: column "xyz" of relation "x" does not exist -- too many columns in column list: should fail COPY x (a, b, c, d, e, d, c) from stdin; ERROR: column "d" specified more than once -- missing data: should fail COPY x from stdin; ERROR: invalid input syntax for integer: "" CONTEXT: COPY x, line 1, column a: "" COPY x from stdin; ERROR: missing data for column "e" CONTEXT: COPY x, line 1: "2000 230 23 23" COPY x from stdin; ERROR: missing data for column "e" CONTEXT: COPY x, line 1: "2001 231 \N \N" -- extra data: should fail COPY x from stdin; ERROR: extra data after last expected column CONTEXT: COPY x, line 1: "2002 232 40 50 60 70 80" -- various COPY options: delimiters, oids, NULL string, encoding COPY x (b, c, d, e) from stdin with oids delimiter ',' null 'x'; COPY x from stdin WITH DELIMITER AS ';' NULL AS ''; COPY x from stdin WITH DELIMITER AS ':' NULL AS E'\\X' ENCODING 'sql_ascii'; -- check results of copy in SELECT * FROM x; a | b | c | d | e -------+----+------------+--------+---------------------- 9999 | | \N | NN | before trigger fired 10000 | 21 | 31 | 41 | before trigger fired 10001 | 22 | 32 | 42 | before trigger fired 10002 | 23 | 33 | 43 | before trigger fired 10003 | 24 | 34 | 44 | before trigger fired 10004 | 25 | 35 | 45 | before trigger fired 10005 | 26 | 36 | 46 | before trigger fired 6 | | 45 | 80 | before trigger fired 7 | | x | \x | before trigger fired 8 | | , | \, | before trigger fired 3000 | | c | | before trigger fired 4000 | | C | | before trigger fired 4001 | 1 | empty | | before trigger fired 4002 | 2 | null | | before trigger fired 4003 | 3 | Backslash | \ | before trigger fired 4004 | 4 | BackslashX | \X | before trigger fired 4005 | 5 | N | N | before trigger fired 4006 | 6 | BackslashN | \N | before trigger fired 4007 | 7 | XX | XX | before trigger fired 4008 | 8 | Delimiter | : | before trigger fired 1 | 1 | stuff | test_1 | after trigger fired 2 | 2 | stuff | test_2 | after trigger fired 3 | 3 | stuff | test_3 | after trigger fired 4 | 4 | stuff | test_4 | after trigger fired 5 | 5 | stuff | test_5 | after trigger fired (25 rows) -- COPY w/ oids on a table w/o oids should fail CREATE TABLE no_oids ( a int, b int ) WITHOUT OIDS; INSERT INTO no_oids (a, b) VALUES (5, 10); INSERT INTO no_oids (a, b) VALUES (20, 30); -- should fail COPY no_oids FROM stdin WITH OIDS; ERROR: table "no_oids" does not have OIDs COPY no_oids TO stdout WITH OIDS; ERROR: table "no_oids" does not have OIDs -- check copy out COPY x TO stdout; 9999 \N \\N NN before trigger fired 10000 21 31 41 before trigger fired 10001 22 32 42 before trigger fired 10002 23 33 43 before trigger fired 10003 24 34 44 before trigger fired 10004 25 35 45 before trigger fired 10005 26 36 46 before trigger fired 6 \N 45 80 before trigger fired 7 \N x \\x before trigger fired 8 \N , \\, before trigger fired 3000 \N c \N before trigger fired 4000 \N C \N before trigger fired 4001 1 empty before trigger fired 4002 2 null \N before trigger fired 4003 3 Backslash \\ before trigger fired 4004 4 BackslashX \\X before trigger fired 4005 5 N N before trigger fired 4006 6 BackslashN \\N before trigger fired 4007 7 XX XX before trigger fired 4008 8 Delimiter : before trigger fired 1 1 stuff test_1 after trigger fired 2 2 stuff test_2 after trigger fired 3 3 stuff test_3 after trigger fired 4 4 stuff test_4 after trigger fired 5 5 stuff test_5 after trigger fired COPY x (c, e) TO stdout; \\N before trigger fired 31 before trigger fired 32 before trigger fired 33 before trigger fired 34 before trigger fired 35 before trigger fired 36 before trigger fired 45 before trigger fired x before trigger fired , before trigger fired c before trigger fired C before trigger fired empty before trigger fired null before trigger fired Backslash before trigger fired BackslashX before trigger fired N before trigger fired BackslashN before trigger fired XX before trigger fired Delimiter before trigger fired stuff after trigger fired stuff after trigger fired stuff after trigger fired stuff after trigger fired stuff after trigger fired COPY x (b, e) TO stdout WITH NULL 'I''m null'; I'm null before trigger fired 21 before trigger fired 22 before trigger fired 23 before trigger fired 24 before trigger fired 25 before trigger fired 26 before trigger fired I'm null before trigger fired I'm null before trigger fired I'm null before trigger fired I'm null before trigger fired I'm null before trigger fired 1 before trigger fired 2 before trigger fired 3 before trigger fired 4 before trigger fired 5 before trigger fired 6 before trigger fired 7 before trigger fired 8 before trigger fired 1 after trigger fired 2 after trigger fired 3 after trigger fired 4 after trigger fired 5 after trigger fired CREATE TEMP TABLE y ( col1 text, col2 text ); INSERT INTO y VALUES ('Jackson, Sam', E'\\h'); INSERT INTO y VALUES ('It is "perfect".',E'\t'); INSERT INTO y VALUES ('', NULL); COPY y TO stdout WITH CSV; "Jackson, Sam",\h "It is ""perfect"".", "", COPY y TO stdout WITH CSV QUOTE '''' DELIMITER '|'; Jackson, Sam|\h It is "perfect".| ''| COPY y TO stdout WITH CSV FORCE QUOTE col2 ESCAPE E'\\' ENCODING 'sql_ascii'; "Jackson, Sam","\\h" "It is \"perfect\"."," " "", COPY y TO stdout WITH CSV FORCE QUOTE *; "Jackson, Sam","\h" "It is ""perfect""."," " "", -- Repeat above tests with new 9.0 option syntax COPY y TO stdout (FORMAT CSV); "Jackson, Sam",\h "It is ""perfect"".", "", COPY y TO stdout (FORMAT CSV, QUOTE '''', DELIMITER '|'); Jackson, Sam|\h It is "perfect".| ''| COPY y TO stdout (FORMAT CSV, FORCE_QUOTE (col2), ESCAPE E'\\'); "Jackson, Sam","\\h" "It is \"perfect\"."," " "", COPY y TO stdout (FORMAT CSV, FORCE_QUOTE *); "Jackson, Sam","\h" "It is ""perfect""."," " "", \copy y TO stdout (FORMAT CSV) "Jackson, Sam",\h "It is ""perfect"".", "", \copy y TO stdout (FORMAT CSV, QUOTE '''', DELIMITER '|') Jackson, Sam|\h It is "perfect".| ''| \copy y TO stdout (FORMAT CSV, FORCE_QUOTE (col2), ESCAPE E'\\') "Jackson, Sam","\\h" "It is \"perfect\"."," " "", \copy y TO stdout (FORMAT CSV, FORCE_QUOTE *) "Jackson, Sam","\h" "It is ""perfect""."," " "", --test that we read consecutive LFs properly CREATE TEMP TABLE testnl (a int, b text, c int); COPY testnl FROM stdin CSV; -- test end of copy marker CREATE TEMP TABLE testeoc (a text); COPY testeoc FROM stdin CSV; COPY testeoc TO stdout CSV; a\. \.b c\.d "\." -- test handling of nonstandard null marker that violates escaping rules CREATE TEMP TABLE testnull(a int, b text); INSERT INTO testnull VALUES (1, E'\\0'), (NULL, NULL); COPY testnull TO stdout WITH NULL AS E'\\0'; 1 \\0 \0 \0 COPY testnull FROM stdin WITH NULL AS E'\\0'; SELECT * FROM testnull; a | b ----+---- 1 | \0 | 42 | \0 | (4 rows) BEGIN; CREATE TABLE vistest (LIKE testeoc); COPY vistest FROM stdin CSV; COMMIT; SELECT * FROM vistest; a ---- a0 b (2 rows) BEGIN; TRUNCATE vistest; COPY vistest FROM stdin CSV; SELECT * FROM vistest; a ---- a1 b (2 rows) SAVEPOINT s1; TRUNCATE vistest; COPY vistest FROM stdin CSV; SELECT * FROM vistest; a ---- d1 e (2 rows) COMMIT; SELECT * FROM vistest; a ---- d1 e (2 rows) BEGIN; TRUNCATE vistest; COPY vistest FROM stdin CSV FREEZE; SELECT * FROM vistest; a ---- a2 b (2 rows) SAVEPOINT s1; TRUNCATE vistest; COPY vistest FROM stdin CSV FREEZE; SELECT * FROM vistest; a ---- d2 e (2 rows) COMMIT; SELECT * FROM vistest; a ---- d2 e (2 rows) BEGIN; TRUNCATE vistest; COPY vistest FROM stdin CSV FREEZE; SELECT * FROM vistest; a --- x y (2 rows) COMMIT; TRUNCATE vistest; COPY vistest FROM stdin CSV FREEZE; BEGIN; INSERT INTO vistest VALUES ('z'); SAVEPOINT s1; TRUNCATE vistest; ROLLBACK TO SAVEPOINT s1; COPY vistest FROM stdin CSV FREEZE; SELECT * FROM vistest; a ---- p g z d3 e (5 rows) COMMIT; CREATE FUNCTION truncate_in_subxact() RETURNS VOID AS $$ BEGIN TRUNCATE vistest; EXCEPTION WHEN OTHERS THEN INSERT INTO vistest VALUES ('subxact failure'); END; $$ language plpgsql; BEGIN; INSERT INTO vistest VALUES ('z'); SELECT truncate_in_subxact(); truncate_in_subxact --------------------- (1 row) COPY vistest FROM stdin CSV FREEZE; SELECT * FROM vistest; a ---- d4 e (2 rows) COMMIT; SELECT * FROM vistest; a ---- d4 e (2 rows) DROP TABLE vistest; DROP FUNCTION truncate_in_subxact(); DROP TABLE x, y; DROP FUNCTION fn_x_before(); DROP FUNCTION fn_x_after();