127 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 2015 Nov 26
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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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| # This file implements regression tests for SQLite library. Specifically,
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| # it tests the sqlite3_index_info.colUsed variable is set correctly.
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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 vtabI
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| 
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| ifcapable !vtab {
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|   finish_test
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|   return
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| }
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| 
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| register_echo_module db
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| 
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| do_execsql_test 1.0 {
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|   CREATE TABLE t1(a, b, c, d, e);
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|   CREATE VIRTUAL TABLE e1 USING echo(t1);
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| }
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| 
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| foreach {tn query filter} {
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|   1 {SELECT * FROM e1} 
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|     {SELECT rowid, a, b, c, d, e FROM 't1'}
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| 
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|   2 {SELECT a, b FROM e1} 
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|     {SELECT rowid, a, b, NULL, NULL, NULL FROM 't1'}
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| 
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|   3 {SELECT count(*) FROM e1 GROUP BY b} 
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|     {SELECT rowid, NULL, b, NULL, NULL, NULL FROM 't1'}
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| 
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|   4 {SELECT count(*) FROM e1 GROUP BY b HAVING a=?} 
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|     {SELECT rowid, a, b, NULL, NULL, NULL FROM 't1'}
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| 
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|   5 {SELECT a FROM e1 WHERE c=?}
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|     {SELECT rowid, a, NULL, c, NULL, NULL FROM 't1'}
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| 
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|   6 {SELECT a FROM e1 ORDER BY e}
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|     {SELECT rowid, a, NULL, NULL, NULL, e FROM 't1'}
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| 
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|   7 {SELECT a FROM e1 ORDER BY e, d}
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|     {SELECT rowid, a, NULL, NULL, d, e FROM 't1'}
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| } {
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|   do_test 1.$tn {
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|     set ::echo_module [list]
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|     execsql $query
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|     set idx [lsearch -exact $::echo_module xFilter]
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|     lindex $::echo_module [expr $idx+1]
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|   } $filter
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| }
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| 
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| #-------------------------------------------------------------------------
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| # Tests with a table with more than 64 columns.
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| #
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| proc all_col_list {} {
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|   set L [list]
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|   for {set i 1} {$i <= 100} {incr i} { lappend L "c$i" }
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|   set L
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| }
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| 
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| proc part_col_list {cols} {
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|   set L [list]
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|   for {set i 1} {$i <= 100} {incr i} { 
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|     set c "c$i"
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|     if {[lsearch $cols $c]>=0} {
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|       lappend L "c$i" 
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|     } else {
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|       lappend L NULL
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|     }
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|   }
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|   set L
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| }
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| proc CL {args} {
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|   join [part_col_list $args] ", "
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| }
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| proc CLT {args} {
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|   set cols $args
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|   for {set i 64} {$i <= 100} {incr i} {
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|     lappend cols "c$i"
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|   }
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|   join [part_col_list $cols] ", "
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| }
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| 
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| do_test 2.0 {
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|   execsql "CREATE TABLE t2([join [all_col_list] ,])"
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|   execsql "CREATE VIRTUAL TABLE e2 USING echo(t2)"
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| } {}
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| 
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| foreach {tn query filter} {
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|   1 {SELECT c1, c10, c20 FROM e2} 
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|     {SELECT rowid, [CL c1 c10 c20] FROM 't2'}
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| 
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|   2 {SELECT c40, c50, c60 FROM e2} 
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|     {SELECT rowid, [CL c40 c50 c60] FROM 't2'}
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| 
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|   3 {SELECT c7, c80, c90 FROM e2} 
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|     {SELECT rowid, [CLT c7] FROM 't2'}
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| 
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|   4 {SELECT c64 FROM e2} 
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|     {SELECT rowid, [CLT c64] FROM 't2'}
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| 
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|   5 {SELECT c63 FROM e2} 
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|     {SELECT rowid, [CL c63] FROM 't2'}
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| 
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|   6 {SELECT c22 FROM e2 ORDER BY c50, c70} 
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|     {SELECT rowid, [CLT c22 c50] FROM 't2'}
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| 
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| } {
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|   do_test 2.$tn {
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|     set ::echo_module [list]
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|     execsql $query
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|     set idx [lsearch -exact $::echo_module xFilter]
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|     lindex $::echo_module [expr $idx+1]
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|   } [subst $filter]
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| }
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| 
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| finish_test
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