postgresql/contrib/tablefunc/sql/tablefunc.sql
Bruce Momjian e5cf1a8a26 SET autocommit no longer needed in /contrib because pg_regress.sh does
it automatically now on regression session startup.
2002-10-21 01:42:14 +00:00

82 lines
4.4 KiB
PL/PgSQL

--
-- first, define the functions. Turn off echoing so that expected file
-- does not depend on contents of tablefunc.sql.
--
\set ECHO none
\i tablefunc.sql
\set ECHO all
--
-- normal_rand()
-- no easy way to do this for regression testing
--
SELECT avg(normal_rand)::int FROM normal_rand(100, 250, 0.2, EXTRACT(SECONDS FROM CURRENT_TIME(0))::int);
--
-- crosstab()
--
CREATE TABLE ct(id int, rowclass text, rowid text, attribute text, value text);
\copy ct from 'data/ct.data'
SELECT * FROM crosstab2('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') ORDER BY 1,2;');
SELECT * FROM crosstab3('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') ORDER BY 1,2;');
SELECT * FROM crosstab4('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' and (attribute = ''att2'' or attribute = ''att3'') ORDER BY 1,2;');
SELECT * FROM crosstab2('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;');
SELECT * FROM crosstab3('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;');
SELECT * FROM crosstab4('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;');
SELECT * FROM crosstab2('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') ORDER BY 1,2;');
SELECT * FROM crosstab3('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') ORDER BY 1,2;');
SELECT * FROM crosstab4('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' and (attribute = ''att1'' or attribute = ''att2'') ORDER BY 1,2;');
SELECT * FROM crosstab2('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' ORDER BY 1,2;');
SELECT * FROM crosstab3('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' ORDER BY 1,2;');
SELECT * FROM crosstab4('SELECT rowid, attribute, value FROM ct where rowclass = ''group2'' ORDER BY 1,2;');
SELECT * FROM crosstab('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;', 2) AS c(rowid text, att1 text, att2 text);
SELECT * FROM crosstab('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;', 3) AS c(rowid text, att1 text, att2 text, att3 text);
SELECT * FROM crosstab('SELECT rowid, attribute, value FROM ct where rowclass = ''group1'' ORDER BY 1,2;', 4) AS c(rowid text, att1 text, att2 text, att3 text, att4 text);
-- test connectby with text based hierarchy
CREATE TABLE connectby_text(keyid text, parent_keyid text);
\copy connectby_text from 'data/connectby_text.data'
-- with branch
SELECT * FROM connectby('connectby_text', 'keyid', 'parent_keyid', 'row2', 0, '~') AS t(keyid text, parent_keyid text, level int, branch text);
-- without branch
SELECT * FROM connectby('connectby_text', 'keyid', 'parent_keyid', 'row2', 0) AS t(keyid text, parent_keyid text, level int);
-- test connectby with int based hierarchy
CREATE TABLE connectby_int(keyid int, parent_keyid int);
\copy connectby_int from 'data/connectby_int.data'
-- with branch
SELECT * FROM connectby('connectby_int', 'keyid', 'parent_keyid', '2', 0, '~') AS t(keyid int, parent_keyid int, level int, branch text);
-- without branch
SELECT * FROM connectby('connectby_int', 'keyid', 'parent_keyid', '2', 0) AS t(keyid int, parent_keyid int, level int);
-- recursion detection
INSERT INTO connectby_int VALUES(10,9);
INSERT INTO connectby_int VALUES(11,10);
INSERT INTO connectby_int VALUES(9,11);
-- should fail due to infinite recursion
SELECT * FROM connectby('connectby_int', 'keyid', 'parent_keyid', '2', 0, '~') AS t(keyid int, parent_keyid int, level int, branch text);
-- infinite recursion failure avoided by depth limit
SELECT * FROM connectby('connectby_int', 'keyid', 'parent_keyid', '2', 4, '~') AS t(keyid int, parent_keyid int, level int, branch text);
-- test for falsely detected recursion
DROP TABLE connectby_int;
CREATE TABLE connectby_int(keyid int, parent_keyid int);
INSERT INTO connectby_int VALUES(11,NULL);
INSERT INTO connectby_int VALUES(10,11);
INSERT INTO connectby_int VALUES(111,11);
INSERT INTO connectby_int VALUES(1,111);
-- this should not fail due to recursion detection
SELECT * FROM connectby('connectby_int', 'keyid', 'parent_keyid', '11', 0, '-') AS t(keyid int, parent_keyid int, level int, branch text);