wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2009 December 16 |
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. |
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12 | # |
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13 | # This file implements tests to verify that ticket [31338dca7e] has been |
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14 | # fixed. Ticket [31338dca7e] demonstrates problems with the OR-clause |
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15 | # optimization in joins where the WHERE clause is of the form |
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16 | # |
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17 | # (x AND y) OR z |
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18 | # |
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19 | # And the x and y subterms from from different tables of the join. |
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20 | # |
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21 | |||
22 | set testdir [file dirname $argv0] |
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23 | source $testdir/tester.tcl |
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24 | |||
25 | do_test tkt-31338-1.1 { |
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26 | db eval { |
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27 | CREATE TABLE t1(x); |
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28 | CREATE TABLE t2(y); |
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29 | INSERT INTO t1 VALUES(111); |
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30 | INSERT INTO t1 VALUES(222); |
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31 | INSERT INTO t2 VALUES(333); |
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32 | INSERT INTO t2 VALUES(444); |
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33 | SELECT * FROM t1, t2 |
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34 | WHERE (x=111 AND y!=444) OR x=222 |
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35 | ORDER BY x, y; |
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36 | } |
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37 | } {111 333 222 333 222 444} |
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38 | |||
39 | do_test tkt-31338-1.2 { |
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40 | db eval { |
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41 | CREATE INDEX t1x ON t1(x); |
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42 | SELECT * FROM t1, t2 |
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43 | WHERE (x=111 AND y!=444) OR x=222 |
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44 | ORDER BY x, y; |
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45 | } |
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46 | } {111 333 222 333 222 444} |
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47 | |||
48 | do_test tkt-31338-2.1 { |
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49 | db eval { |
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50 | CREATE TABLE t3(v,w); |
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51 | CREATE TABLE t4(x,y); |
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52 | CREATE TABLE t5(z); |
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53 | INSERT INTO t3 VALUES(111,222); |
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54 | INSERT INTO t3 VALUES(333,444); |
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55 | INSERT INTO t4 VALUES(222,333); |
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56 | INSERT INTO t4 VALUES(444,555); |
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57 | INSERT INTO t5 VALUES(888); |
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58 | INSERT INTO t5 VALUES(999); |
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59 | |||
60 | SELECT * FROM t3, t4, t5 |
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61 | WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444) |
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62 | ORDER BY v, w, x, y, z; |
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63 | } |
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64 | } {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999} |
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65 | |||
66 | do_test tkt-31338-2.2 { |
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67 | db eval { |
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68 | CREATE INDEX t3v ON t3(v); |
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69 | CREATE INDEX t4x ON t4(x); |
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70 | SELECT * FROM t3, t4, t5 |
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71 | WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444) |
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72 | ORDER BY v, w, x, y, z; |
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73 | } |
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74 | } {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999} |
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75 | |||
76 | |||
77 | finish_test |