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	in UPDATE statements. Ticket [78acc9d40f0786e8] FossilOrigin-Name: bd4bda73df3794eef424eb13e08fc7cc54347d1ac69febaeec41f6b6cb4a42bc
		
			
				
	
	
		
			69 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			69 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2016-08-18
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| #
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| # The author disclaims copyright to this source code.  In place of
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| # a legal notice, here is a blessing:
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| #
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| #    May you do good and not evil.
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| #    May you find forgiveness for yourself and forgive others.
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| #    May you share freely, never taking more than you give.
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| #
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| #***********************************************************************
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| # The focus of this file is vector assignments in the SET clause of
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| # an UPDATE statement.
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| #
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| 
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| set testdir [file dirname $argv0]
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| source $testdir/tester.tcl
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| set ::testprefix rowvalue7
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| 
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| do_execsql_test 1.1 {
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|   CREATE TABLE t1(a,b,c,d);
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|   CREATE INDEX t1x ON t1(a,b);
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|   INSERT INTO t1(a,b,c,d) VALUES(1,2,0,0),(3,4,0,0),(5,6,0,0);
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|   CREATE TABLE t2(w,x,y,z);
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|   CREATE INDEX t2x ON t2(w,x);
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|   INSERT INTO t2(w,x,y,z) VALUES(1,2,11,22),(8,9,88,99),(3,5,33,55),(5,6,55,66);
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| 
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|   SELECT *,'|' FROM t1 ORDER BY a;
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| } {1 2 0 0 | 3 4 0 0 | 5 6 0 0 |}
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| 
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| do_execsql_test 1.2 {
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|   UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE (w,x)=(a,b));
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|   SELECT *,'|' FROM t1 ORDER BY a;
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| } {1 2 11 22 | 3 4 {} {} | 5 6 55 66 |}
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| 
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| do_execsql_test 1.3 {
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|   UPDATE t1 SET (c,d) = (SELECT y,z FROM t2 WHERE w=a);
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|   SELECT *,'|' FROM t1 ORDER BY a;
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| } {1 2 11 22 | 3 4 33 55 | 5 6 55 66 |}
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| 
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| do_execsql_test 1.4 {
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|   UPDATE t1 SET (c) = 99 WHERE a=3;
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|   SELECT *,'|' FROM t1 ORDER BY a;
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| } {1 2 11 22 | 3 4 99 55 | 5 6 55 66 |}
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| 
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| do_execsql_test 1.5 {
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|   UPDATE t1 SET b = 8, (c,d) = (SELECT 123,456) WHERE a=3;
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|   SELECT *,'|' FROM t1 ORDER BY a;
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| } {1 2 11 22 | 3 8 123 456 | 5 6 55 66 |}
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| 
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| do_catchsql_test 2.1 {
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|   UPDATE t1 SET (c,d) = (SELECT x,y,z FROM t2 WHERE w=a);
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| } {1 {2 columns assigned 3 values}}
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| 
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| do_catchsql_test 2.2 {
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|   UPDATE t1 SET (b,c,d) = (SELECT x,y FROM t2 WHERE w=a);
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| } {1 {3 columns assigned 2 values}}
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| 
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| # 2019-08-26
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| # ticket https://www.sqlite.org/src/info/78acc9d40f0786e8
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| #
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| do_catchsql_test 3.0 {
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|   DROP TABLE IF EXISTS t1;
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|   CREATE TABLE t1(a,b);
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|   INSERT INTO t1 VALUES(1,2);
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|   UPDATE t1 SET (a,a,a,b)=(SELECT 99,100);
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| } {1 {4 columns assigned 2 values}}
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| 
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| finish_test
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