1# 2016-08-18 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# The focus of this file is vector assignments in the SET clause of 12# an UPDATE statement. 13# 14 15set testdir [file dirname $argv0] 16source $testdir/tester.tcl 17set ::testprefix rowvalue7 18 19do_execsql_test 1.1 { 20 CREATE TABLE t1(a,b,c,d); 21 CREATE INDEX t1x ON t1(a,b); 22 INSERT INTO t1(a,b,c,d) VALUES(1,2,0,0),(3,4,0,0),(5,6,0,0); 23 CREATE TABLE t2(w,x,y,z); 24 CREATE INDEX t2x ON t2(w,x); 25 INSERT INTO t2(w,x,y,z) VALUES(1,2,11,22),(8,9,88,99),(3,5,33,55),(5,6,55,66); 26 27 SELECT *,'|' FROM t1 ORDER BY a; 28} {1 2 0 0 | 3 4 0 0 | 5 6 0 0 |} 29 30do_execsql_test 1.2 { 31 UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE (w,x)=(a,b)); 32 SELECT *,'|' FROM t1 ORDER BY a; 33} {1 2 11 22 | 3 4 {} {} | 5 6 55 66 |} 34 35do_execsql_test 1.3 { 36 UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE w=a); 37 SELECT *,'|' FROM t1 ORDER BY a; 38} {1 2 11 22 | 3 4 33 55 | 5 6 55 66 |} 39 40do_execsql_test 1.4 { 41 UPDATE t1 SET (c) = 99 WHERE a=3; 42 SELECT *,'|' FROM t1 ORDER BY a; 43} {1 2 11 22 | 3 4 99 55 | 5 6 55 66 |} 44 45do_execsql_test 1.5 { 46 UPDATE t1 SET b = 8, (c,d) = (SELECT 123,456) WHERE a=3; 47 SELECT *,'|' FROM t1 ORDER BY a; 48} {1 2 11 22 | 3 8 123 456 | 5 6 55 66 |} 49 50do_catchsql_test 2.1 { 51 UPDATE t1 SET (c,d) = (SELECT x,y,z FROM t2 WHERE w=a); 52} {1 {2 columns assigned 3 values}} 53 54do_catchsql_test 2.2 { 55 UPDATE t1 SET (b,c,d) = (SELECT x,y FROM t2 WHERE w=a); 56} {1 {3 columns assigned 2 values}} 57 58# 2019-08-26 59# ticket https://www.sqlite.org/src/info/78acc9d40f0786e8 60# 61do_catchsql_test 3.0 { 62 DROP TABLE IF EXISTS t1; 63 CREATE TABLE t1(a,b); 64 INSERT INTO t1 VALUES(1,2); 65 UPDATE t1 SET (a,a,a,b)=(SELECT 99,100); 66} {1 {4 columns assigned 2 values}} 67 68finish_test 69