wasCSharpSQLite – Blame information for rev 1
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1 | office | 1 | # 2008 August 26 |
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 | # |
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12 | # This file implements regression tests for SQLite library. |
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13 | # Specifically, it tests that bug #3334 has been fixed by the |
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14 | # addition of restriction (19) to the subquery flattener optimization. |
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15 | # |
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16 | # $Id: tkt3334.test,v 1.1 2008/08/26 12:56:14 drh Exp $ |
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17 | |||
18 | |||
19 | set testdir [file dirname $argv0] |
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20 | source $testdir/tester.tcl |
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21 | |||
22 | do_test tkt3334-1.0 { |
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23 | execsql { |
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24 | CREATE TABLE t1(a,b); |
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25 | INSERT INTO t1 VALUES(1,934); |
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26 | INSERT INTO t1 VALUES(2,221); |
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27 | INSERT INTO t1 VALUES(1,372); |
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28 | INSERT INTO t1 VALUES(3,552); |
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29 | INSERT INTO t1 VALUES(1,719); |
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30 | INSERT INTO t1 VALUES(4,102); |
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31 | SELECT * FROM t1 ORDER BY b; |
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32 | } |
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33 | } {4 102 2 221 1 372 3 552 1 719 1 934} |
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34 | |||
35 | do_test tkt3334-1.1 { |
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36 | execsql { |
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37 | SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1; |
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38 | } |
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39 | } {} |
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40 | do_test tkt3334-1.2 { |
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41 | execsql { |
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42 | SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 2) WHERE a=1; |
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43 | } |
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44 | } {0} |
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45 | do_test tkt3334-1.3 { |
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46 | execsql { |
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47 | SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1; |
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48 | } |
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49 | } {1} |
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50 | do_test tkt3334-1.4 { |
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51 | execsql { |
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52 | SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 3) WHERE a=1; |
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53 | } |
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54 | } {1} |
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55 | do_test tkt3334-1.5 { |
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56 | execsql { |
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57 | SELECT a FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1; |
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58 | } |
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59 | } {1 1 1} |
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60 | do_test tkt3334-1.6 { |
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61 | execsql { |
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62 | SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b LIMIT 99) WHERE a=1; |
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63 | } |
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64 | } {3} |
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65 | do_test tkt3334-1.7 { |
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66 | execsql { |
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67 | SELECT a FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1; |
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68 | } |
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69 | } {1 1 1} |
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70 | do_test tkt3334-1.8 { |
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71 | execsql { |
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72 | SELECT count(*) FROM (SELECT a FROM t1 ORDER BY b) WHERE a=1; |
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73 | } |
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74 | } {3} |
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75 | do_test tkt3334-1.9 { |
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76 | execsql { |
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77 | SELECT a FROM (SELECT a FROM t1) WHERE a=1; |
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78 | } |
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79 | } {1 1 1} |
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80 | do_test tkt3334-1.10 { |
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81 | execsql { |
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82 | SELECT count(*) FROM (SELECT a FROM t1) WHERE a=1; |
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83 | } |
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84 | } {3} |