wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2005 September 19 |
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 for left outer joins containing ON |
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14 | # clauses that restrict the scope of the left term of the join. |
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15 | # |
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16 | # $Id: join5.test,v 1.2 2007/06/08 00:20:48 drh Exp $ |
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17 | |||
18 | set testdir [file dirname $argv0] |
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19 | source $testdir/tester.tcl |
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20 | |||
21 | |||
22 | do_test join5-1.1 { |
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23 | execsql { |
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24 | BEGIN; |
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25 | CREATE TABLE t1(a integer primary key, b integer, c integer); |
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26 | CREATE TABLE t2(x integer primary key, y); |
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27 | CREATE TABLE t3(p integer primary key, q); |
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28 | INSERT INTO t3 VALUES(11,'t3-11'); |
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29 | INSERT INTO t3 VALUES(12,'t3-12'); |
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30 | INSERT INTO t2 VALUES(11,'t2-11'); |
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31 | INSERT INTO t2 VALUES(12,'t2-12'); |
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32 | INSERT INTO t1 VALUES(1, 5, 0); |
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33 | INSERT INTO t1 VALUES(2, 11, 2); |
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34 | INSERT INTO t1 VALUES(3, 12, 1); |
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35 | COMMIT; |
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36 | } |
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37 | } {} |
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38 | do_test join5-1.2 { |
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39 | execsql { |
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40 | select * from t1 left join t2 on t1.b=t2.x and t1.c=1 |
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41 | } |
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42 | } {1 5 0 {} {} 2 11 2 {} {} 3 12 1 12 t2-12} |
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43 | do_test join5-1.3 { |
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44 | execsql { |
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45 | select * from t1 left join t2 on t1.b=t2.x where t1.c=1 |
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46 | } |
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47 | } {3 12 1 12 t2-12} |
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48 | do_test join5-1.4 { |
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49 | execsql { |
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50 | select * from t1 left join t2 on t1.b=t2.x and t1.c=1 |
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51 | left join t3 on t1.b=t3.p and t1.c=2 |
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52 | } |
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53 | } {1 5 0 {} {} {} {} 2 11 2 {} {} 11 t3-11 3 12 1 12 t2-12 {} {}} |
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54 | do_test join5-1.5 { |
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55 | execsql { |
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56 | select * from t1 left join t2 on t1.b=t2.x and t1.c=1 |
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57 | left join t3 on t1.b=t3.p where t1.c=2 |
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58 | } |
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59 | } {2 11 2 {} {} 11 t3-11} |
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60 | |||
61 | # Ticket #2403 |
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62 | # |
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63 | do_test join5-2.1 { |
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64 | execsql { |
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65 | CREATE TABLE ab(a,b); |
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66 | INSERT INTO "ab" VALUES(1,2); |
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67 | INSERT INTO "ab" VALUES(3,NULL); |
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68 | |||
69 | CREATE TABLE xy(x,y); |
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70 | INSERT INTO "xy" VALUES(2,3); |
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71 | INSERT INTO "xy" VALUES(NULL,1); |
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72 | } |
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73 | execsql {SELECT * FROM xy LEFT JOIN ab ON 0} |
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74 | } {2 3 {} {} {} 1 {} {}} |
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75 | do_test join5-2.2 { |
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76 | execsql {SELECT * FROM xy LEFT JOIN ab ON 1} |
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77 | } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}} |
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78 | do_test join5-2.3 { |
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79 | execsql {SELECT * FROM xy LEFT JOIN ab ON NULL} |
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80 | } {2 3 {} {} {} 1 {} {}} |
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81 | do_test join5-2.4 { |
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82 | execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 0} |
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83 | } {} |
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84 | do_test join5-2.5 { |
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85 | execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 0} |
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86 | } {} |
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87 | do_test join5-2.6 { |
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88 | execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 0} |
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89 | } {} |
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90 | do_test join5-2.7 { |
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91 | execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE 1} |
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92 | } {2 3 {} {} {} 1 {} {}} |
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93 | do_test join5-2.8 { |
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94 | execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE 1} |
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95 | } {2 3 1 2 2 3 3 {} {} 1 1 2 {} 1 3 {}} |
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96 | do_test join5-2.9 { |
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97 | execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE 1} |
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98 | } {2 3 {} {} {} 1 {} {}} |
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99 | do_test join5-2.10 { |
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100 | execsql {SELECT * FROM xy LEFT JOIN ab ON 0 WHERE NULL} |
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101 | } {} |
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102 | do_test join5-2.11 { |
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103 | execsql {SELECT * FROM xy LEFT JOIN ab ON 1 WHERE NULL} |
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104 | } {} |
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105 | do_test join5-2.12 { |
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106 | execsql {SELECT * FROM xy LEFT JOIN ab ON NULL WHERE NULL} |
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107 | } {} |
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108 | |||
109 | |||
110 | finish_test |