3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
13 set testdir [file dirname $argv0]
14 source $testdir/tester.tcl
15 set testprefix update2
17 db func repeat [list string repeat]
19 #-------------------------------------------------------------------------
20 # 1.1.* A one-pass UPDATE that does balance() operations on the IPK index
21 # that it is scanning.
23 # 1.2.* Same again, but with a WITHOUT ROWID table.
26 do_execsql_test 1.1.0 {
27 CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
28 CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
29 WITH s(i) AS ( SELECT 0 UNION ALL SELECT i+1 FROM s WHERE i<$nrow )
30 INSERT INTO t1(b) SELECT char((i % 26) + 65) FROM s;
31 INSERT INTO t2 SELECT * FROM t1;
34 do_execsql_test 1.1.1 {
35 UPDATE t1 SET b = repeat(b, 100)
38 do_execsql_test 1.1.2 {
40 } [db eval { SELECT a, repeat(b, 100) FROM t2 }]
42 do_execsql_test 1.2.0 {
44 CREATE TABLE t1(a INT PRIMARY KEY, b) WITHOUT ROWID;
45 WITH s(i) AS ( SELECT 0 UNION ALL SELECT i+1 FROM s WHERE i<$nrow )
46 INSERT INTO t1(a, b) SELECT i+1, char((i % 26) + 65) FROM s;
49 #explain_i { UPDATE t1 SET b = repeat(b, 100) }
50 do_execsql_test 1.2.1 {
51 UPDATE t1 SET b = repeat(b, 100)
54 do_execsql_test 1.2.2 {
56 } [db eval { SELECT a, repeat(b, 100) FROM t2 }]
59 #-------------------------------------------------------------------------
60 # A one-pass UPDATE that does balance() operations on the IPK index
61 # that it is scanning.
64 CREATE TABLE t3(a PRIMARY KEY, b, c);
65 CREATE INDEX t3i ON t3(b);
67 do_execsql_test 2.2 { UPDATE t3 SET c=1 WHERE b=? } {}
68 do_execsql_test 2.3 { UPDATE t3 SET c=1 WHERE rowid=? } {}
70 #-------------------------------------------------------------------------
73 CREATE TABLE t4(a PRIMARY KEY, b, c) WITHOUT ROWID;
74 CREATE INDEX t4c ON t4(c);
75 INSERT INTO t4 VALUES(1, 2, 3);
76 INSERT INTO t4 VALUES(2, 3, 4);
80 UPDATE t4 SET c=c+2 WHERE c>2;
81 SELECT a, c FROM t4 ORDER BY a;
84 #-------------------------------------------------------------------------
88 CREATE TABLE b1(a INTEGER PRIMARY KEY, b, c);
89 CREATE TABLE c1(a INTEGER PRIMARY KEY, b, c, d)
92 CREATE TABLE b1(a INT PRIMARY KEY, b, c) WITHOUT ROWID;
93 CREATE TABLE c1(a INT PRIMARY KEY, b, c, d) WITHOUT ROWID;
96 execsql { DROP TABLE IF EXISTS b1; DROP TABLE IF EXISTS c1; }
99 do_execsql_test 4.$tn.0 {
100 CREATE UNIQUE INDEX b1c ON b1(c);
101 INSERT INTO b1 VALUES(1, 'a', 1);
102 INSERT INTO b1 VALUES(2, 'b', 15);
103 INSERT INTO b1 VALUES(3, 'c', 3);
104 INSERT INTO b1 VALUES(4, 'd', 4);
105 INSERT INTO b1 VALUES(5, 'e', 5);
106 INSERT INTO b1 VALUES(6, 'f', 6);
107 INSERT INTO b1 VALUES(7, 'g', 7);
110 do_execsql_test 4.$tn.1 {
111 UPDATE OR REPLACE b1 SET c=c+10 WHERE a BETWEEN 4 AND 7;
112 SELECT * FROM b1 ORDER BY a;
122 do_execsql_test 4.$tn.2 {
123 CREATE INDEX c1d ON c1(d, b);
124 CREATE UNIQUE INDEX c1c ON c1(c, b);
126 INSERT INTO c1 VALUES(1, 'a', 1, 1);
127 INSERT INTO c1 VALUES(2, 'a', 15, 2);
128 INSERT INTO c1 VALUES(3, 'a', 3, 3);
129 INSERT INTO c1 VALUES(4, 'a', 4, 4);
130 INSERT INTO c1 VALUES(5, 'a', 5, 5);
131 INSERT INTO c1 VALUES(6, 'a', 6, 6);
132 INSERT INTO c1 VALUES(7, 'a', 7, 7);
135 do_execsql_test 4.$tn.3 {
136 UPDATE OR REPLACE c1 SET c=c+10 WHERE d BETWEEN 4 AND 7;
137 SELECT * FROM c1 ORDER BY a;
147 do_execsql_test 4.$tn.4 { PRAGMA integrity_check } ok
149 do_execsql_test 4.$tn.5 {
154 INSERT INTO c1 VALUES(1, 'a', 1, 1);
155 INSERT INTO c1 VALUES(2, 'a', 15, 2);
156 INSERT INTO c1 VALUES(3, 'a', 3, 3);
157 INSERT INTO c1 VALUES(4, 'a', 4, 4);
158 INSERT INTO c1 VALUES(5, 'a', 5, 5);
159 INSERT INTO c1 VALUES(6, 'a', 6, 6);
160 INSERT INTO c1 VALUES(7, 'a', 7, 7);
162 CREATE INDEX c1d ON c1(d);
163 CREATE UNIQUE INDEX c1c ON c1(c);
166 do_execsql_test 4.$tn.6 {
167 UPDATE OR REPLACE c1 SET c=c+10 WHERE d BETWEEN 4 AND 7;
168 SELECT * FROM c1 ORDER BY a;
179 #-------------------------------------------------------------------------
181 do_execsql_test 5.0 {
182 CREATE TABLE x1(a INTEGER PRIMARY KEY, b, c);
183 CREATE INDEX x1c ON x1(b, c);
184 INSERT INTO x1 VALUES(1, 'a', 1);
185 INSERT INTO x1 VALUES(2, 'a', 2);
186 INSERT INTO x1 VALUES(3, 'a', 3);
189 do_execsql_test 5.1.1 {
190 UPDATE x1 SET c=c+1 WHERE b='a';
193 do_execsql_test 5.1.2 {
195 } {1 a 2 2 a 3 3 a 4}
198 catch { array unset A }
199 db eval { EXPLAIN UPDATE x1 SET c=c+1 WHERE b='a' } { incr A($opcode) }
203 #-------------------------------------------------------------------------
204 do_execsql_test 6.0 {
205 CREATE TABLE d1(a,b);
206 CREATE INDEX d1b ON d1(a);
207 CREATE INDEX d1c ON d1(b);
208 INSERT INTO d1 VALUES(1,2);
211 do_execsql_test 6.1 {
212 UPDATE d1 SET a = a+2 WHERE a>0 OR b>0;
215 do_execsql_test 6.2 {
219 # 2019-01-22 Bug in UPDATE OR REPLACE discovered by the
220 # Matt Denton's LPM fuzzer
222 do_execsql_test 7.100 {
223 DROP TABLE IF EXISTS t1;
224 CREATE TABLE t1(x,y);
225 CREATE UNIQUE INDEX t1x1 ON t1(x) WHERE x IS NOT NULL;
226 INSERT INTO t1(x) VALUES(NULL),(NULL);
227 CREATE INDEX t1x2 ON t1(y);
228 SELECT quote(x), quote(y), '|' FROM t1;
229 } {NULL NULL | NULL NULL |}
230 do_execsql_test 7.110 {
231 UPDATE OR REPLACE t1 SET x=1;
232 SELECT quote(x), quote(y), '|' FROM t1;