127 lines
2.6 KiB
Plaintext
127 lines
2.6 KiB
Plaintext
--
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-- Test cases for COPY (select) TO
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--
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create table test1 (id serial, t text);
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NOTICE: CREATE TABLE will create implicit sequence "test1_id_seq" for serial column "test1.id"
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insert into test1 (t) values ('a');
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insert into test1 (t) values ('b');
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insert into test1 (t) values ('c');
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insert into test1 (t) values ('d');
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insert into test1 (t) values ('e');
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create table test2 (id serial, t text);
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NOTICE: CREATE TABLE will create implicit sequence "test2_id_seq" for serial column "test2.id"
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insert into test2 (t) values ('A');
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insert into test2 (t) values ('B');
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insert into test2 (t) values ('C');
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insert into test2 (t) values ('D');
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insert into test2 (t) values ('E');
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create view v_test1
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as select 'v_'||t from test1;
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--
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-- Test COPY table TO
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--
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copy test1 to stdout;
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1 a
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2 b
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3 c
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4 d
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5 e
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--
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-- This should fail
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--
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copy v_test1 to stdout;
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ERROR: cannot copy from view "v_test1"
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HINT: Try the COPY (SELECT ...) TO variant.
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--
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-- Test COPY (select) TO
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--
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copy (select t from test1 where id=1) to stdout;
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a
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--
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-- Test COPY (select for update) TO
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--
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copy (select t from test1 where id=3 for update) to stdout;
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c
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--
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-- This should fail
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--
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copy (select t into temp test3 from test1 where id=3) to stdout;
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ERROR: COPY (SELECT INTO) is not supported
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--
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-- This should fail
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--
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copy (select * from test1) from stdin;
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ERROR: syntax error at or near "from"
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LINE 1: copy (select * from test1) from stdin;
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^
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--
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-- This should fail
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--
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copy (select * from test1) (t,id) to stdout;
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ERROR: syntax error at or near "("
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LINE 1: copy (select * from test1) (t,id) to stdout;
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^
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--
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-- Test JOIN
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--
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copy (select * from test1 join test2 using (id)) to stdout;
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1 a A
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2 b B
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3 c C
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4 d D
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5 e E
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--
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-- Test UNION SELECT
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--
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copy (select t from test1 where id = 1 UNION select * from v_test1 ORDER BY 1) to stdout;
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a
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v_a
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v_b
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v_c
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v_d
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v_e
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--
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-- Test subselect
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--
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copy (select * from (select t from test1 where id = 1 UNION select * from v_test1 ORDER BY 1) t1) to stdout;
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a
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v_a
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v_b
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v_c
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v_d
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v_e
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--
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-- Test headers, CSV and quotes
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--
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copy (select t from test1 where id = 1) to stdout csv header force quote t;
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t
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"a"
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--
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-- Test psql builtins, plain table
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--
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\copy test1 to stdout
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1 a
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2 b
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3 c
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4 d
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5 e
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--
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-- This should fail
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--
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\copy v_test1 to stdout
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ERROR: cannot copy from view "v_test1"
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HINT: Try the COPY (SELECT ...) TO variant.
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\copy: ERROR: cannot copy from view "v_test1"
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HINT: Try the COPY (SELECT ...) TO variant.
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--
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-- Test \copy (select ...)
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--
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\copy (select "id",'id','id""'||t,(id + 1)*id,t,"test1"."t" from test1 where id=3) to stdout
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3 id id""c 12 c c
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--
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-- Drop everything
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--
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drop table test2;
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drop view v_test1;
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drop table test1;
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