wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2008 December 23 |
2 | # |
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3 | # The author disclaims copyright to this source code. In place of |
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4 | # a legal notice, here is a blessing: |
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5 | # |
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6 | # May you do good and not evil. |
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7 | # May you find forgiveness for yourself and forgive others. |
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8 | # May you share freely, never taking more than you give. |
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9 | # |
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10 | #*********************************************************************** |
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11 | # This file implements regression tests for SQLite library. The focus |
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12 | # is testing of where.c. More specifically, the focus is the optimization |
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13 | # of WHERE clauses that feature the OR operator. |
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14 | # |
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15 | # $Id: where8m.test,v 1.3 2009/06/05 17:09:12 drh Exp $ |
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16 | |||
17 | set testdir [file dirname $argv0] |
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18 | source $testdir/tester.tcl |
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19 | |||
20 | source $testdir/malloc_common.tcl |
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21 | |||
22 | do_malloc_test where8m-1 -sqlprep { |
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23 | CREATE TABLE t1(a, b, c); |
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24 | CREATE INDEX i1 ON t1(a); |
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25 | CREATE INDEX i2 ON t1(b); |
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26 | } -sqlbody { |
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27 | SELECT c FROM t1 |
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28 | WHERE |
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29 | a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR |
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30 | b = 'seven' OR a = 8 OR b = 'nine' OR a = 10 |
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31 | ORDER BY rowid; |
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32 | |||
33 | SELECT c FROM t1 WHERE |
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34 | a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6; |
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35 | |||
36 | SELECT c FROM t1 WHERE |
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37 | a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4; |
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38 | } |
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39 | |||
40 | do_malloc_test where8m-2 -tclprep { |
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41 | db eval { |
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42 | BEGIN; |
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43 | CREATE TABLE t1(a, b, c); |
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44 | CREATE INDEX i1 ON t1(a); |
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45 | CREATE INDEX i2 ON t1(b); |
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46 | } |
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47 | for {set i 0} {$i < 1000} {incr i} { |
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48 | set ii [expr $i*$i] |
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49 | set iii [expr $i*$i] |
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50 | db eval { INSERT INTO t1 VALUES($i, $ii, $iii) } |
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51 | } |
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52 | db eval COMMIT |
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53 | } -sqlbody { |
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54 | SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000; |
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55 | } |
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56 | |||
57 | finish_test |