# 2016-08-18 # # 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. # #*********************************************************************** # The focus of this file is vector assignments in the SET clause of # an UPDATE statement. # set testdir [file dirname $argv0] source $testdir/tester.tcl set ::testprefix rowvalue7 do_execsql_test 1.1 { CREATE TABLE t1(a,b,c,d); CREATE INDEX t1x ON t1(a,b); INSERT INTO t1(a,b,c,d) VALUES(1,2,0,0),(3,4,0,0),(5,6,0,0); CREATE TABLE t2(w,x,y,z); CREATE INDEX t2x ON t2(w,x); INSERT INTO t2(w,x,y,z) VALUES(1,2,11,22),(8,9,88,99),(3,5,33,55),(5,6,55,66); SELECT *,'|' FROM t1 ORDER BY a; } {1 2 0 0 | 3 4 0 0 | 5 6 0 0 |} do_execsql_test 1.2 { UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE (w,x)=(a,b)); SELECT *,'|' FROM t1 ORDER BY a; } {1 2 11 22 | 3 4 {} {} | 5 6 55 66 |} do_execsql_test 1.3 { UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE w=a); SELECT *,'|' FROM t1 ORDER BY a; } {1 2 11 22 | 3 4 33 55 | 5 6 55 66 |} do_execsql_test 1.4 { UPDATE t1 SET (c) = 99 WHERE a=3; SELECT *,'|' FROM t1 ORDER BY a; } {1 2 11 22 | 3 4 99 55 | 5 6 55 66 |} do_execsql_test 1.5 { UPDATE t1 SET b = 8, (c,d) = (SELECT 123,456) WHERE a=3; SELECT *,'|' FROM t1 ORDER BY a; } {1 2 11 22 | 3 8 123 456 | 5 6 55 66 |} do_catchsql_test 2.1 { UPDATE t1 SET (c,d) = (SELECT x,y,z FROM t2 WHERE w=a); } {1 {2 columns assigned 3 values}} do_catchsql_test 2.2 { UPDATE t1 SET (b,c,d) = (SELECT x,y FROM t2 WHERE w=a); } {1 {3 columns assigned 2 values}} # 2019-08-26 # ticket https://www.sqlite.org/src/info/78acc9d40f0786e8 # do_catchsql_test 3.0 { DROP TABLE IF EXISTS t1; CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2); UPDATE t1 SET (a,a,a,b)=(SELECT 99,100); } {1 {4 columns assigned 2 values}} finish_test