wasCSharpSQLite – Blame information for rev 7
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Rev | Author | Line No. | Line |
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1 | office | 1 | # 2008 October 6 |
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 |
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12 | # focus of this file is testing the LIMIT ... OFFSET ... clause |
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13 | # of UPDATE and DELETE statements. |
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14 | # |
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15 | # $Id: wherelimit.test,v 1.2 2008/10/10 18:25:46 shane Exp $ |
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16 | |||
17 | set testdir [file dirname $argv0] |
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18 | source $testdir/tester.tcl |
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19 | |||
20 | proc create_test_data {size} { |
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21 | # Build some test data |
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22 | # |
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23 | execsql { |
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24 | DROP TABLE IF EXISTS t1; |
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25 | CREATE TABLE t1(x int, y int); |
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26 | BEGIN; |
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27 | } |
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28 | for {set i 1} {$i<=$size} {incr i} { |
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29 | for {set j 1} {$j<=$size} {incr j} { |
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30 | execsql "INSERT INTO t1 VALUES([expr {$i}],[expr {$j}])" |
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31 | } |
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32 | } |
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33 | execsql { |
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34 | COMMIT; |
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35 | } |
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36 | return {} |
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37 | } |
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38 | |||
39 | ifcapable {update_delete_limit} { |
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40 | |||
41 | # check syntax error support |
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42 | do_test wherelimit-0.1 { |
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43 | catchsql {DELETE FROM t1 ORDER BY x} |
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44 | } {1 {ORDER BY without LIMIT on DELETE}} |
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45 | do_test wherelimit-0.2 { |
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46 | catchsql {DELETE FROM t1 WHERE x=1 ORDER BY x} |
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47 | } {1 {ORDER BY without LIMIT on DELETE}} |
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48 | do_test wherelimit-0.3 { |
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49 | catchsql {UPDATE t1 SET y=1 WHERE x=1 ORDER BY x} |
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50 | } {1 {ORDER BY without LIMIT on UPDATE}} |
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51 | |||
52 | # no AS on table sources |
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53 | do_test wherelimit-0.4 { |
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54 | catchsql {DELETE FROM t1 AS a WHERE x=1} |
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55 | } {1 {near "AS": syntax error}} |
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56 | do_test wherelimit-0.5 { |
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57 | catchsql {UPDATE t1 AS a SET y=1 WHERE x=1} |
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58 | } {1 {near "AS": syntax error}} |
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59 | |||
60 | # OFFSET w/o LIMIT |
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61 | do_test wherelimit-0.6 { |
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62 | catchsql {DELETE FROM t1 WHERE x=1 OFFSET 2} |
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63 | } {1 {near "OFFSET": syntax error}} |
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64 | do_test wherelimit-0.7 { |
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65 | catchsql {UPDATE t1 SET y=1 WHERE x=1 OFFSET 2} |
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66 | } {1 {near "OFFSET": syntax error}} |
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67 | |||
68 | |||
69 | # check deletes w/o where clauses but with limit/offsets |
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70 | create_test_data 5 |
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71 | do_test wherelimit-1.0 { |
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72 | execsql {SELECT count(*) FROM t1} |
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73 | } {25} |
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74 | do_test wherelimit-1.1 { |
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75 | execsql {DELETE FROM t1} |
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76 | execsql {SELECT count(*) FROM t1} |
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77 | } {0} |
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78 | create_test_data 5 |
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79 | do_test wherelimit-1.2 { |
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80 | execsql {DELETE FROM t1 LIMIT 5} |
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81 | execsql {SELECT count(*) FROM t1} |
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82 | } {20} |
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83 | do_test wherelimit-1.3 { |
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84 | # limit 5 |
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85 | execsql {DELETE FROM t1 ORDER BY x LIMIT 5} |
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86 | execsql {SELECT count(*) FROM t1} |
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87 | } {15} |
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88 | do_test wherelimit-1.4 { |
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89 | # limit 5, offset 2 |
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90 | execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET 2} |
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91 | execsql {SELECT count(*) FROM t1} |
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92 | } {10} |
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93 | do_test wherelimit-1.5 { |
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94 | # limit 5, offset -2 |
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95 | execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET -2} |
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96 | execsql {SELECT count(*) FROM t1} |
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97 | } {5} |
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98 | do_test wherelimit-1.6 { |
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99 | # limit -5 (no limit), offset 2 |
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100 | execsql {DELETE FROM t1 ORDER BY x LIMIT 2, -5} |
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101 | execsql {SELECT count(*) FROM t1} |
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102 | } {2} |
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103 | do_test wherelimit-1.7 { |
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104 | # limit 5, offset -2 (no offset) |
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105 | execsql {DELETE FROM t1 ORDER BY x LIMIT -2, 5} |
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106 | execsql {SELECT count(*) FROM t1} |
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107 | } {0} |
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108 | create_test_data 5 |
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109 | do_test wherelimit-1.8 { |
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110 | # limit -5 (no limit), offset -2 (no offset) |
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111 | execsql {DELETE FROM t1 ORDER BY x LIMIT -2, -5} |
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112 | execsql {SELECT count(*) FROM t1} |
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113 | } {0} |
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114 | create_test_data 3 |
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115 | do_test wherelimit-1.9 { |
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116 | # limit 5, offset 2 |
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117 | execsql {DELETE FROM t1 ORDER BY x LIMIT 2, 5} |
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118 | execsql {SELECT count(*) FROM t1} |
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119 | } {4} |
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120 | do_test wherelimit-1.10 { |
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121 | # limit 5, offset 5 |
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122 | execsql {DELETE FROM t1 ORDER BY x LIMIT 5 OFFSET 5} |
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123 | execsql {SELECT count(*) FROM t1} |
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124 | } {4} |
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125 | do_test wherelimit-1.11 { |
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126 | # limit 50, offset 30 |
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127 | execsql {DELETE FROM t1 ORDER BY x LIMIT 50 OFFSET 30} |
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128 | execsql {SELECT count(*) FROM t1} |
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129 | } {4} |
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130 | do_test wherelimit-1.12 { |
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131 | # limit 50, offset 30 |
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132 | execsql {DELETE FROM t1 ORDER BY x LIMIT 30, 50} |
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133 | execsql {SELECT count(*) FROM t1} |
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134 | } {4} |
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135 | do_test wherelimit-1.13 { |
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136 | execsql {DELETE FROM t1 ORDER BY x LIMIT 50 OFFSET 50} |
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137 | execsql {SELECT count(*) FROM t1} |
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138 | } {4} |
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139 | |||
140 | |||
141 | create_test_data 6 |
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142 | do_test wherelimit-2.0 { |
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143 | execsql {SELECT count(*) FROM t1} |
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144 | } {36} |
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145 | do_test wherelimit-2.1 { |
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146 | execsql {DELETE FROM t1 WHERE x=1} |
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147 | execsql {SELECT count(*) FROM t1} |
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148 | } {30} |
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149 | create_test_data 6 |
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150 | do_test wherelimit-2.2 { |
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151 | execsql {DELETE FROM t1 WHERE x=1 LIMIT 5} |
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152 | execsql {SELECT count(*) FROM t1} |
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153 | } {31} |
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154 | do_test wherelimit-2.3 { |
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155 | # limit 5 |
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156 | execsql {DELETE FROM t1 WHERE x=1 ORDER BY x LIMIT 5} |
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157 | execsql {SELECT count(*) FROM t1} |
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158 | } {30} |
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159 | do_test wherelimit-2.4 { |
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160 | # limit 5, offset 2 |
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161 | execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 5 OFFSET 2} |
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162 | execsql {SELECT count(*) FROM t1} |
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163 | } {26} |
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164 | do_test wherelimit-2.5 { |
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165 | # limit 5, offset -2 |
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166 | execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 5 OFFSET -2} |
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167 | execsql {SELECT count(*) FROM t1} |
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168 | } {24} |
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169 | do_test wherelimit-2.6 { |
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170 | # limit -5 (no limit), offset 2 |
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171 | execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT 2, -5} |
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172 | execsql {SELECT count(*) FROM t1} |
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173 | } {20} |
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174 | do_test wherelimit-2.7 { |
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175 | # limit 5, offset -2 (no offset) |
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176 | execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT -2, 5} |
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177 | execsql {SELECT count(*) FROM t1} |
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178 | } {18} |
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179 | do_test wherelimit-2.8 { |
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180 | # limit -5 (no limit), offset -2 (no offset) |
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181 | execsql {DELETE FROM t1 WHERE x=4 ORDER BY x LIMIT -2, -5} |
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182 | execsql {SELECT count(*) FROM t1} |
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183 | } {12} |
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184 | create_test_data 6 |
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185 | do_test wherelimit-2.9 { |
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186 | # limit 5, offset 2 |
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187 | execsql {DELETE FROM t1 WHERE x=5 ORDER BY x LIMIT 2, 5} |
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188 | execsql {SELECT count(*) FROM t1} |
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189 | } {32} |
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190 | do_test wherelimit-2.10 { |
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191 | # limit 5, offset 5 |
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192 | execsql {DELETE FROM t1 WHERE x=6 ORDER BY x LIMIT 5 OFFSET 5} |
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193 | execsql {SELECT count(*) FROM t1} |
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194 | } {31} |
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195 | do_test wherelimit-2.11 { |
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196 | # limit 50, offset 30 |
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197 | execsql {DELETE FROM t1 WHERE x=1 ORDER BY x LIMIT 50 OFFSET 30} |
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198 | execsql {SELECT count(*) FROM t1} |
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199 | } {31} |
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200 | do_test wherelimit-2.12 { |
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201 | # limit 50, offset 30 |
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202 | execsql {DELETE FROM t1 WHERE x=2 ORDER BY x LIMIT 30, 50} |
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203 | execsql {SELECT count(*) FROM t1} |
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204 | } {31} |
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205 | do_test wherelimit-2.13 { |
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206 | execsql {DELETE FROM t1 WHERE x=3 ORDER BY x LIMIT 50 OFFSET 50} |
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207 | execsql {SELECT count(*) FROM t1} |
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208 | } {31} |
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209 | |||
210 | |||
211 | create_test_data 6 |
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212 | do_test wherelimit-3.0 { |
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213 | execsql {SELECT count(*) FROM t1} |
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214 | } {36} |
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215 | do_test wherelimit-3.1 { |
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216 | execsql {UPDATE t1 SET y=1 WHERE x=1} |
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217 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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218 | } {11} |
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219 | create_test_data 6 |
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220 | do_test wherelimit-3.2 { |
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221 | execsql {UPDATE t1 SET y=1 WHERE x=1 LIMIT 5} |
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222 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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223 | } {10} |
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224 | do_test wherelimit-3.3 { |
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225 | # limit 5 |
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226 | execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5} |
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227 | execsql {SELECT count(*) FROM t1 WHERE y=2} |
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228 | } {9} |
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229 | create_test_data 6 |
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230 | do_test wherelimit-3.4 { |
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231 | # limit 5, offset 2 |
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232 | execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5 OFFSET 2} |
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233 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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234 | } {6} |
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235 | do_test wherelimit-3.5 { |
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236 | # limit 5, offset -2 |
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237 | execsql {UPDATE t1 SET y=2 WHERE x=2 ORDER BY x LIMIT 5 OFFSET -2} |
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238 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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239 | } {5} |
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240 | do_test wherelimit-3.6 { |
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241 | # limit -5 (no limit), offset 2 |
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242 | execsql {UPDATE t1 SET y=3 WHERE x=3 ORDER BY x LIMIT 2, -5} |
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243 | execsql {SELECT count(*) FROM t1 WHERE y=3} |
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244 | } {8} |
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245 | do_test wherelimit-3.7 { |
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246 | # limit 5, offset -2 (no offset) |
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247 | execsql {UPDATE t1 SET y=3 WHERE x=3 ORDER BY x LIMIT -2, 5} |
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248 | execsql {SELECT count(*) FROM t1 WHERE y=3} |
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249 | } {10} |
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250 | |||
251 | do_test wherelimit-3.8 { |
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252 | # limit -5 (no limit), offset -2 (no offset) |
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253 | execsql {UPDATE t1 SET y=4 WHERE x=4 ORDER BY x LIMIT -2, -5} |
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254 | execsql {SELECT count(*) FROM t1 WHERE y=4} |
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255 | } {9} |
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256 | create_test_data 6 |
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257 | do_test wherelimit-3.9 { |
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258 | # limit 5, offset 2 |
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259 | execsql {UPDATE t1 SET y=4 WHERE x=5 ORDER BY x LIMIT 2, 5} |
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260 | execsql {SELECT count(*) FROM t1 WHERE y=4} |
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261 | } {9} |
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262 | do_test wherelimit-3.10 { |
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263 | # limit 5, offset 5 |
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264 | execsql {UPDATE t1 SET y=4 WHERE x=6 ORDER BY x LIMIT 5 OFFSET 5} |
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265 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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266 | } {6} |
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267 | do_test wherelimit-3.11 { |
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268 | # limit 50, offset 30 |
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269 | execsql {UPDATE t1 SET y=1 WHERE x=1 ORDER BY x LIMIT 50 OFFSET 30} |
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270 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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271 | } {6} |
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272 | do_test wherelimit-3.12 { |
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273 | # limit 50, offset 30 |
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274 | execsql {UPDATE t1 SET y=1 WHERE x=2 ORDER BY x LIMIT 30, 50} |
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275 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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276 | } {6} |
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277 | do_test wherelimit-3.13 { |
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278 | execsql {UPDATE t1 SET y=1 WHERE x=3 ORDER BY x LIMIT 50 OFFSET 50} |
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279 | execsql {SELECT count(*) FROM t1 WHERE y=1} |
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280 | } {6} |
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281 | |||
282 | } |
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283 | |||
284 | finish_test |