Return to between.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

sqlite3

    1: # 2005 July 28
    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 use of indices in WHERE clauses
   13: # when the WHERE clause contains the BETWEEN operator.
   14: #
   15: # $Id: between.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   16: 
   17: set testdir [file dirname $argv0]
   18: source $testdir/tester.tcl
   19: 
   20: # Build some test data
   21: #
   22: do_test between-1.0 {
   23:   execsql {
   24:     BEGIN;
   25:     CREATE TABLE t1(w int, x int, y int, z int);
   26:   }
   27:   for {set i 1} {$i<=100} {incr i} {
   28:     set w $i
   29:     set x [expr {int(log($i)/log(2))}]
   30:     set y [expr {$i*$i + 2*$i + 1}]
   31:     set z [expr {$x+$y}]
   32:     ifcapable tclvar {
   33:       # Random unplanned test of the $varname variable syntax.
   34:       execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)}
   35:     } else {
   36:       # If the $varname syntax is not available, use the regular variable
   37:       # declaration syntax.
   38:       execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)}
   39:     }
   40:   }
   41:   execsql {
   42:     CREATE UNIQUE INDEX i1w ON t1(w);
   43:     CREATE INDEX i1xy ON t1(x,y);
   44:     CREATE INDEX i1zyx ON t1(z,y,x);
   45:     COMMIT;
   46:   }
   47: } {}
   48: 
   49: # This procedure executes the SQL.  Then it appends to the result the
   50: # "sort" or "nosort" keyword depending on whether or not any sorting
   51: # is done.  Then it appends the ::sqlite_query_plan variable.
   52: #
   53: proc queryplan {sql} {
   54:   set ::sqlite_sort_count 0
   55:   set data [execsql $sql]
   56:   if {$::sqlite_sort_count} {set x sort} {set x nosort}
   57:   lappend data $x
   58:   return [concat $data $::sqlite_query_plan]
   59: }
   60: 
   61: do_test between-1.1.1 {
   62:   queryplan {
   63:     SELECT * FROM t1 WHERE w BETWEEN 5 AND 6 ORDER BY +w
   64:   }
   65: } {5 2 36 38 6 2 49 51 sort t1 i1w}
   66: do_test between-1.1.2 {
   67:   queryplan {
   68:     SELECT * FROM t1 WHERE +w BETWEEN 5 AND 6 ORDER BY +w
   69:   }
   70: } {5 2 36 38 6 2 49 51 sort t1 {}}
   71: do_test between-1.2.1 {
   72:   queryplan {
   73:     SELECT * FROM t1 WHERE w BETWEEN 5 AND 65-y ORDER BY +w
   74:   }
   75: } {5 2 36 38 6 2 49 51 sort t1 i1w}
   76: do_test between-1.2.2 {
   77:   queryplan {
   78:     SELECT * FROM t1 WHERE +w BETWEEN 5 AND 65-y ORDER BY +w
   79:   }
   80: } {5 2 36 38 6 2 49 51 sort t1 {}}
   81: do_test between-1.3.1 {
   82:   queryplan {
   83:     SELECT * FROM t1 WHERE w BETWEEN 41-y AND 6 ORDER BY +w
   84:   }
   85: } {5 2 36 38 6 2 49 51 sort t1 i1w}
   86: do_test between-1.3.2 {
   87:   queryplan {
   88:     SELECT * FROM t1 WHERE +w BETWEEN 41-y AND 6 ORDER BY +w
   89:   }
   90: } {5 2 36 38 6 2 49 51 sort t1 {}}
   91: do_test between-1.4 {
   92:   queryplan {
   93:     SELECT * FROM t1 WHERE w BETWEEN 41-y AND 65-y ORDER BY +w
   94:   }
   95: } {5 2 36 38 6 2 49 51 sort t1 {}}
   96: do_test between-1.5.1 {
   97:   queryplan {
   98:     SELECT * FROM t1 WHERE 26 BETWEEN y AND z ORDER BY +w
   99:   }
  100: } {4 2 25 27 sort t1 i1zyx}
  101: do_test between-1.5.2 {
  102:   queryplan {
  103:     SELECT * FROM t1 WHERE 26 BETWEEN +y AND z ORDER BY +w
  104:   }
  105: } {4 2 25 27 sort t1 i1zyx}
  106: do_test between-1.5.3 {
  107:   queryplan {
  108:     SELECT * FROM t1 WHERE 26 BETWEEN y AND +z ORDER BY +w
  109:   }
  110: } {4 2 25 27 sort t1 {}}
  111: 
  112: 
  113: finish_test