xref: /sqlite-3.40.0/test/insert2.test (revision 4dcbdbff) 
1# 2001 September 15
2#
3# The author disclaims copyright to this source code.  In place of
4# a legal notice, here is a blessing:
5#
6#    May you do good and not evil.
7#    May you find forgiveness for yourself and forgive others.
8#    May you share freely, never taking more than you give.
9#
10#***********************************************************************
11# This file implements regression tests for SQLite library.  The
12# focus of this file is testing the INSERT statement that takes is
13# result from a SELECT.
14#
15# $Id: insert2.test,v 1.17 2005/05/29 14:23:13 danielk1977 Exp $
16
17set testdir [file dirname $argv0]
18source $testdir/tester.tcl
19
20# Create some tables with data that we can select against
21#
22do_test insert2-1.0 {
23  execsql {CREATE TABLE d1(n int, log int);}
24  for {set i 1} {$i<=20} {incr i} {
25    for {set j 0} {pow(2,$j)<$i} {incr j} {}
26    execsql "INSERT INTO d1 VALUES($i,$j)"
27  }
28  execsql {SELECT * FROM d1 ORDER BY n}
29} {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}
30
31# Insert into a new table from the old one.
32#
33do_test insert2-1.1.1 {
34  execsql {
35    CREATE TABLE t1(log int, cnt int);
36    PRAGMA count_changes=on;
37    INSERT INTO t1 SELECT log, count(*) FROM d1 GROUP BY log;
38  }
39} {6}
40do_test insert2-1.1.2 {
41  db changes
42} {6}
43do_test insert2-1.1.3 {
44  execsql {SELECT * FROM t1 ORDER BY log}
45} {0 1 1 1 2 2 3 4 4 8 5 4}
46
47ifcapable compound {
48do_test insert2-1.2.1 {
49  catch {execsql {DROP TABLE t1}}
50  execsql {
51    CREATE TABLE t1(log int, cnt int);
52    INSERT INTO t1
53       SELECT log, count(*) FROM d1 GROUP BY log
54       EXCEPT SELECT n-1,log FROM d1;
55  }
56} {4}
57do_test insert2-1.2.2 {
58  execsql {
59    SELECT * FROM t1 ORDER BY log;
60  }
61} {0 1 3 4 4 8 5 4}
62do_test insert2-1.3.1 {
63  catch {execsql {DROP TABLE t1}}
64  execsql {
65    CREATE TABLE t1(log int, cnt int);
66    PRAGMA count_changes=off;
67    INSERT INTO t1
68       SELECT log, count(*) FROM d1 GROUP BY log
69       INTERSECT SELECT n-1,log FROM d1;
70  }
71} {}
72do_test insert2-1.3.2 {
73  execsql {
74    SELECT * FROM t1 ORDER BY log;
75  }
76} {1 1 2 2}
77} ;# ifcapable compound
78execsql {PRAGMA count_changes=off;}
79
80do_test insert2-1.4 {
81  catch {execsql {DROP TABLE t1}}
82  set r [execsql {
83    CREATE TABLE t1(log int, cnt int);
84    CREATE INDEX i1 ON t1(log);
85    CREATE INDEX i2 ON t1(cnt);
86    INSERT INTO t1 SELECT log, count() FROM d1 GROUP BY log;
87    SELECT * FROM t1 ORDER BY log;
88  }]
89  lappend r [execsql {SELECT cnt FROM t1 WHERE log=3}]
90  lappend r [execsql {SELECT log FROM t1 WHERE cnt=4 ORDER BY log}]
91} {0 1 1 1 2 2 3 4 4 8 5 4 4 {3 5}}
92
93do_test insert2-2.0 {
94  execsql {
95    CREATE TABLE t3(a,b,c);
96    CREATE TABLE t4(x,y);
97    INSERT INTO t4 VALUES(1,2);
98    SELECT * FROM t4;
99  }
100} {1 2}
101do_test insert2-2.1 {
102  execsql {
103    INSERT INTO t3(a,c) SELECT * FROM t4;
104    SELECT * FROM t3;
105  }
106} {1 {} 2}
107do_test insert2-2.2 {
108  execsql {
109    DELETE FROM t3;
110    INSERT INTO t3(c,b) SELECT * FROM t4;
111    SELECT * FROM t3;
112  }
113} {{} 2 1}
114do_test insert2-2.3 {
115  execsql {
116    DELETE FROM t3;
117    INSERT INTO t3(c,a,b) SELECT x, 'hi', y FROM t4;
118    SELECT * FROM t3;
119  }
120} {hi 2 1}
121
122integrity_check insert2-3.0
123
124# File table t4 with lots of data
125#
126do_test insert2-3.1 {
127  execsql {
128    SELECT * from t4;
129  }
130} {1 2}
131do_test insert2-3.2 {
132  set x [db total_changes]
133  execsql {
134    BEGIN;
135    INSERT INTO t4 VALUES(2,4);
136    INSERT INTO t4 VALUES(3,6);
137    INSERT INTO t4 VALUES(4,8);
138    INSERT INTO t4 VALUES(5,10);
139    INSERT INTO t4 VALUES(6,12);
140    INSERT INTO t4 VALUES(7,14);
141    INSERT INTO t4 VALUES(8,16);
142    INSERT INTO t4 VALUES(9,18);
143    INSERT INTO t4 VALUES(10,20);
144    COMMIT;
145  }
146  expr [db total_changes] - $x
147} {9}
148do_test insert2-3.2.1 {
149  execsql {
150    SELECT count(*) FROM t4;
151  }
152} {10}
153do_test insert2-3.3 {
154  ifcapable subquery {
155    execsql {
156      BEGIN;
157      INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
158      INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
159      INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
160      INSERT INTO t4 SELECT x+(SELECT max(x) FROM t4),y FROM t4;
161      COMMIT;
162      SELECT count(*) FROM t4;
163    }
164  } else {
165    db function max_x_t4 {execsql {SELECT max(x) FROM t4}}
166    execsql {
167      BEGIN;
168      INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
169      INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
170      INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
171      INSERT INTO t4 SELECT x+max_x_t4() ,y FROM t4;
172      COMMIT;
173      SELECT count(*) FROM t4;
174    }
175  }
176} {160}
177do_test insert2-3.4 {
178  execsql {
179    BEGIN;
180    UPDATE t4 SET y='lots of data for the row where x=' || x
181                     || ' and y=' || y || ' - even more data to fill space';
182    COMMIT;
183    SELECT count(*) FROM t4;
184  }
185} {160}
186do_test insert2-3.5 {
187  ifcapable subquery {
188    execsql {
189      BEGIN;
190      INSERT INTO t4 SELECT x+(SELECT max(x)+1 FROM t4),y FROM t4;
191      SELECT count(*) from t4;
192      ROLLBACK;
193    }
194  } else {
195    execsql {
196      BEGIN;
197      INSERT INTO t4 SELECT x+max_x_t4()+1,y FROM t4;
198      SELECT count(*) from t4;
199      ROLLBACK;
200    }
201  }
202} {320}
203do_test insert2-3.6 {
204  execsql {
205    SELECT count(*) FROM t4;
206  }
207} {160}
208do_test insert2-3.7 {
209  execsql {
210    BEGIN;
211    DELETE FROM t4 WHERE x!=123;
212    SELECT count(*) FROM t4;
213    ROLLBACK;
214  }
215} {1}
216do_test insert2-3.8 {
217  db changes
218} {159}
219integrity_check insert2-3.9
220
221# Ticket #901
222#
223ifcapable tempdb {
224  do_test insert2-4.1 {
225    execsql {
226      CREATE TABLE Dependencies(depId integer primary key,
227        class integer, name str, flag str);
228      CREATE TEMPORARY TABLE DepCheck(troveId INT, depNum INT,
229        flagCount INT, isProvides BOOL, class INTEGER, name STRING,
230        flag STRING);
231      INSERT INTO DepCheck
232         VALUES(-1, 0, 1, 0, 2, 'libc.so.6', 'GLIBC_2.0');
233      INSERT INTO Dependencies
234         SELECT DISTINCT
235             NULL,
236             DepCheck.class,
237             DepCheck.name,
238             DepCheck.flag
239         FROM DepCheck LEFT OUTER JOIN Dependencies ON
240             DepCheck.class == Dependencies.class AND
241             DepCheck.name == Dependencies.name AND
242             DepCheck.flag == Dependencies.flag
243         WHERE
244             Dependencies.depId is NULL;
245    };
246  } {}
247}
248
249#--------------------------------------------------------------------
250# Test that the INSERT works when the SELECT statement (a) references
251# the table being inserted into and (b) is optimized to use an index
252# only.
253do_test insert2-5.1 {
254  execsql {
255    CREATE TABLE t2(a, b);
256    INSERT INTO t2 VALUES(1, 2);
257    CREATE INDEX t2i1 ON t2(a);
258    INSERT INTO t2 SELECT a, 3 FROM t2 WHERE a = 1;
259    SELECT * FROM t2;
260  }
261} {1 2 1 3}
262ifcapable subquery {
263  do_test insert2-5.2 {
264    execsql {
265      INSERT INTO t2 SELECT (SELECT a FROM t2), 4;
266      SELECT * FROM t2;
267    }
268  } {1 2 1 3 1 4}
269}
270
271finish_test
272
273