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go-sqlite/testdata/tcl/insert2.test
2021-12-08 11:33:15 +01:00

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# 2001 September 15
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library. The
# focus of this file is testing the INSERT statement that takes is
# result from a SELECT.
#
# $Id: insert2.test,v 1.19 2008/01/16 18:20:42 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix insert2
# Create some tables with data that we can select against
#
do_test insert2-1.0 {
execsql {CREATE TABLE d1(n int, log int);}
for {set i 1} {$i<=20} {incr i} {
for {set j 0} {(1<<$j)<$i} {incr j} {}
execsql "INSERT INTO d1 VALUES($i,$j)"
}
execsql {SELECT * FROM d1 ORDER BY n}
} {1 0 2 1 3 2 4 2 5 3 6 3 7 3 8 3 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 5 18 5 19 5 20 5}
# Insert into a new table from the old one.
#
do_test insert2-1.1.1 {
execsql {
CREATE TABLE t1(log int, cnt int);
PRAGMA count_changes=on;
}
ifcapable explain {
execsql {
EXPLAIN INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
}
}
execsql {
INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
}
} {6}
do_test insert2-1.1.2 {
db changes
} {6}
do_test insert2-1.1.3 {
execsql {SELECT * FROM t1 ORDER BY log}
} {0 1 1 1 2 2 3 4 4 8 5 4}
ifcapable compound {
do_test insert2-1.2.1 {
catch {execsql {DROP TABLE t1}}
execsql {
CREATE TABLE t1(log int, cnt int);
INSERT INTO t1
SELECT log, count(*) FROM d1 GROUP BY log
EXCEPT SELECT n-1,log FROM d1;
}
} {4}
do_test insert2-1.2.2 {
execsql {
SELECT * FROM t1 ORDER BY log;
}
} {0 1 3 4 4 8 5 4}
do_test insert2-1.3.1 {
catch {execsql {DROP TABLE t1}}
execsql {
CREATE TABLE t1(log int, cnt int);
PRAGMA count_changes=off;
INSERT INTO t1
SELECT log, count(*) FROM d1 GROUP BY log
INTERSECT SELECT n-1,log FROM d1;
}
} {}
do_test insert2-1.3.2 {
execsql {
SELECT * FROM t1 ORDER BY log;
}
} {1 1 2 2}
} ;# ifcapable compound
execsql {PRAGMA count_changes=off;}
do_test insert2-1.4 {
catch {execsql {DROP TABLE t1}}
set r [execsql {
CREATE TABLE t1(log int, cnt int);
CREATE INDEX i1 ON t1(log);
CREATE INDEX i2 ON t1(cnt);
INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
SELECT * FROM t1 ORDER BY log;
}]
lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}
do_test insert2-2.0 {
execsql {
CREATE TABLE t3(a,b,c);
CREATE TABLE t4(x,y);
INSERT INTO t4 VALUES(1,2);
SELECT * FROM t4;
}
} {1 2}
do_test insert2-2.1 {
execsql {
INSERT INTO t3(a,c) SELECT * FROM t4;
SELECT * FROM t3;
}
} {1 {} 2}
do_test insert2-2.2 {
execsql {
DELETE FROM t3;
INSERT INTO t3(c,b) SELECT * FROM t4;
SELECT * FROM t3;
}
} {{} 2 1}
do_test insert2-2.3 {
execsql {
DELETE FROM t3;
INSERT INTO t3(c,a,b) SELECT x, 'hi', y FROM t4;
SELECT * FROM t3;
}
} {hi 2 1}
integrity_check insert2-3.0
# File table t4 with lots of data
#
do_test insert2-3.1 {
execsql {
SELECT * from t4;
}
} {1 2}
do_test insert2-3.2 {
set x [db total_changes]
execsql {
BEGIN;
INSERT INTO t4 VALUES(2,4);
INSERT INTO t4 VALUES(3,6);
INSERT INTO t4 VALUES(4,8);
INSERT INTO t4 VALUES(5,10);
INSERT INTO t4 VALUES(6,12);
INSERT INTO t4 VALUES(7,14);
INSERT INTO t4 VALUES(8,16);
INSERT INTO t4 VALUES(9,18);
INSERT INTO t4 VALUES(10,20);
COMMIT;
}
expr [db total_changes] - $x
} {9}
do_test insert2-3.2.1 {
execsql {
SELECT count(*) FROM t4;
}
} {10}
do_test insert2-3.3 {
ifcapable subquery {
execsql {
BEGIN;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
COMMIT;
SELECT count(*) FROM t4;
}
} else {
db function max_x_t4 {execsql {SELECT max(x) FROM t4}}
execsql {
BEGIN;
INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
COMMIT;
SELECT count(*) FROM t4;
}
}
} {160}
do_test insert2-3.4 {
execsql {
BEGIN;
UPDATE t4 SET y='lots of data for the row where x=' || x
|| ' and y=' || y || ' - even more data to fill space';
COMMIT;
SELECT count(*) FROM t4;
}
} {160}
do_test insert2-3.5 {
ifcapable subquery {
execsql {
BEGIN;
INSERT INTO t4 SELECT x+(SELECT max(x)+1 FROM t4),y FROM t4;
SELECT count(*) from t4;
ROLLBACK;
}
} else {
execsql {
BEGIN;
INSERT INTO t4 SELECT x+max_x_t4()+1,y FROM t4;
SELECT count(*) from t4;
ROLLBACK;
}
}
} {320}
do_test insert2-3.6 {
execsql {
SELECT count(*) FROM t4;
}
} {160}
do_test insert2-3.7 {
execsql {
BEGIN;
DELETE FROM t4 WHERE x!=123;
SELECT count(*) FROM t4;
ROLLBACK;
}
} {1}
do_test insert2-3.8 {
db changes
} {159}
integrity_check insert2-3.9
# Ticket #901
#
ifcapable tempdb {
do_test insert2-4.1 {
execsql {
CREATE TABLE Dependencies(depId integer primary key,
class integer, name str, flag str);
CREATE TEMPORARY TABLE DepCheck(troveId INT, depNum INT,
flagCount INT, isProvides BOOL, class INTEGER, name STRING,
flag STRING);
INSERT INTO DepCheck
VALUES(-1, 0, 1, 0, 2, 'libc.so.6', 'GLIBC_2.0');
INSERT INTO Dependencies
SELECT DISTINCT
NULL,
DepCheck.class,
DepCheck.name,
DepCheck.flag
FROM DepCheck LEFT OUTER JOIN Dependencies ON
DepCheck.class == Dependencies.class AND
DepCheck.name == Dependencies.name AND
DepCheck.flag == Dependencies.flag
WHERE
Dependencies.depId is NULL;
};
} {}
}
#--------------------------------------------------------------------
# Test that the INSERT works when the SELECT statement (a) references
# the table being inserted into and (b) is optimized to use an index
# only.
do_test insert2-5.1 {
execsql {
CREATE TABLE t2(a, b);
INSERT INTO t2 VALUES(1, 2);
CREATE INDEX t2i1 ON t2(a);
INSERT INTO t2 SELECT a, 3 FROM t2 WHERE a = 1;
SELECT * FROM t2;
}
} {1 2 1 3}
ifcapable subquery {
do_test insert2-5.2 {
execsql {
INSERT INTO t2 SELECT (SELECT a FROM t2), 4;
SELECT * FROM t2;
}
} {1 2 1 3 1 4}
}
do_execsql_test 6.0 {
CREATE TABLE t5(a, b, c DEFAULT 'c', d);
}
do_execsql_test 6.1 {
INSERT INTO t5(a) SELECT 456 UNION ALL SELECT 123 ORDER BY 1;
SELECT * FROM t5 ORDER BY rowid;
} {123 {} c {} 456 {} c {}}
ifcapable fts3 {
do_execsql_test 6.2 {
CREATE VIRTUAL TABLE t0 USING fts4(a);
}
do_execsql_test 6.3 {
INSERT INTO t0 SELECT 0 UNION SELECT 0 AS 'x' ORDER BY x;
SELECT * FROM t0;
} {0}
}
finish_test