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sqlite3

    1: # 2005 January 11
    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: # This file implements regression tests for SQLite library.  The
   12: # focus of this file is testing the CREATE INDEX statement.
   13: #
   14: # $Id: index2.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   15: 
   16: set testdir [file dirname $argv0]
   17: source $testdir/tester.tcl
   18: 
   19: # Create a table with a large number of columns
   20: #
   21: do_test index2-1.1 {
   22:   set sql {CREATE TABLE t1(}
   23:   for {set i 1} {$i<1000} {incr i} {
   24:     append sql "c$i,"
   25:   }
   26:   append sql "c1000);"
   27:   execsql $sql
   28: } {}
   29: do_test index2-1.2 {
   30:   set sql {INSERT INTO t1 VALUES(}
   31:   for {set i 1} {$i<1000} {incr i} {
   32:     append sql $i,
   33:   }
   34:   append sql {1000);}
   35:   execsql $sql
   36: } {}
   37: do_test index2-1.3 {
   38:   execsql {SELECT c123 FROM t1}
   39: } 123
   40: do_test index2-1.4 {
   41:   execsql BEGIN
   42:   for {set j 1} {$j<=100} {incr j} {
   43:     set sql {INSERT INTO t1 VALUES(}
   44:     for {set i 1} {$i<1000} {incr i} {
   45:       append sql [expr {$j*10000+$i}],
   46:     }
   47:     append sql "[expr {$j*10000+1000}]);"
   48:     execsql $sql
   49:   }
   50:   execsql COMMIT
   51:   execsql {SELECT count(*) FROM t1}
   52: } 101
   53: do_test index2-1.5 {
   54:   execsql {SELECT round(sum(c1000)) FROM t1}
   55: } {50601000.0}
   56: 
   57: # Create indices with many columns
   58: #
   59: do_test index2-2.1 {
   60:   set sql "CREATE INDEX t1i1 ON t1("
   61:   for {set i 1} {$i<1000} {incr i} {
   62:     append sql c$i,
   63:   }
   64:   append sql c1000)
   65:   execsql $sql
   66: } {}
   67: do_test index2-2.2 {
   68:   ifcapable explain {
   69:     execsql {EXPLAIN SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5}
   70:   }
   71:   execsql {SELECT c9 FROM t1 ORDER BY c1, c2, c3, c4, c5, c6 LIMIT 5}
   72: } {9 10009 20009 30009 40009}
   73: 
   74: finish_test