AryaWu/sqlite

1# 2005-01-112#3# The author disclaims copyright to this source code.  In place of4# 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# This file implements regression tests for SQLite library.  The12# focus of this file is testing the CREATE INDEX statement.13#14 15set testdir [file dirname $argv0]16source $testdir/tester.tcl17 18# Create a table with a large number of columns19#20do_test index2-1.1 {21  set sql {CREATE TABLE t1(}22  for {set i 1} {$i<1000} {incr i} {23    append sql "c$i,"24  }25  append sql "c1000);"26  execsql $sql27} {}28do_test index2-1.2 {29  set sql {INSERT INTO t1 VALUES(}30  for {set i 1} {$i<1000} {incr i} {31    append sql $i,32  }33  append sql {1000);}34  execsql $sql35} {}36do_test index2-1.3 {37  execsql {SELECT c123 FROM t1}38} 12339do_test index2-1.4 {40  execsql BEGIN41  for {set j 1} {$j<=100} {incr j} {42    set sql {INSERT INTO t1 VALUES(}43    for {set i 1} {$i<1000} {incr i} {44      append sql [expr {$j*10000+$i}],45    }46    append sql "[expr {$j*10000+1000}]);"47    execsql $sql48  }49  execsql COMMIT50  execsql {SELECT count(*) FROM t1}51} 10152do_test index2-1.5 {53  execsql {SELECT round(sum(c1000)) FROM t1}54} {50601000.0}55 56# Create indices with many columns57#58do_test index2-2.1 {59  set sql "CREATE INDEX t1i1 ON t1("60  for {set i 1} {$i<1000} {incr i} {61    append sql c$i,62  }63  append sql c1000)64  execsql $sql65} {}66do_test index2-2.2 {67  ifcapable explain {68    execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}69  }70  execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}71} {9 10009 20009 30009 40009}72 73finish_test74