wasCSharpSQLite – Blame information for rev 7
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1 | office | 1 | # 2001 September 15 |
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 SELECT statement. |
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13 | # |
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14 | # $Id: autovacuum.test,v 1.29 2009/04/06 17:50:03 danielk1977 Exp $ |
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15 | |||
16 | set testdir [file dirname $argv0] |
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17 | source $testdir/tester.tcl |
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18 | |||
19 | # If this build of the library does not support auto-vacuum, omit this |
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20 | # whole file. |
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21 | ifcapable {!autovacuum || !pragma} { |
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22 | finish_test |
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23 | return |
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24 | } |
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25 | |||
26 | # Return a string $len characters long. The returned string is $char repeated |
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27 | # over and over. For example, [make_str abc 8] returns "abcabcab". |
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28 | proc make_str {char len} { |
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29 | set str [string repeat $char. $len] |
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30 | return [string range $str 0 [expr $len-1]] |
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31 | } |
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32 | |||
33 | # Return the number of pages in the file test.db by looking at the file system. |
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34 | proc file_pages {} { |
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35 | return [expr [file size test.db] / 1024] |
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36 | } |
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37 | |||
38 | #------------------------------------------------------------------------- |
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39 | # Test cases autovacuum-1.* work as follows: |
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40 | # |
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41 | # 1. A table with a single indexed field is created. |
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42 | # 2. Approximately 20 rows are inserted into the table. Each row is long |
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43 | # enough such that it uses at least 2 overflow pages for both the table |
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44 | # and index entry. |
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45 | # 3. The rows are deleted in a psuedo-random order. Sometimes only one row |
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46 | # is deleted per transaction, sometimes more than one. |
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47 | # 4. After each transaction the table data is checked to ensure it is correct |
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48 | # and a "PRAGMA integrity_check" is executed. |
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49 | # 5. Once all the rows are deleted the file is checked to make sure it |
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50 | # consists of exactly 4 pages. |
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51 | # |
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52 | # Steps 2-5 are repeated for a few different psuedo-random delete patterns |
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53 | # (defined by the $delete_orders list). |
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54 | set delete_orders [list] |
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55 | lappend delete_orders {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20} |
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56 | lappend delete_orders {20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1} |
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57 | lappend delete_orders {8 18 2 4 14 11 13 3 10 7 9 5 12 17 19 15 20 6 16 1} |
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58 | lappend delete_orders {10 3 11 17 19 20 7 4 13 6 1 14 16 12 9 18 8 15 5 2} |
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59 | lappend delete_orders {{1 2 3 4 5 6 7 8 9 10} {11 12 13 14 15 16 17 18 19 20}} |
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60 | lappend delete_orders {{19 8 17 15} {16 11 9 14} {18 5 3 1} {13 20 7 2} {6 12}} |
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61 | |||
62 | # The length of each table entry. |
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63 | # set ENTRY_LEN 3500 |
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64 | set ENTRY_LEN 3500 |
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65 | |||
66 | do_test autovacuum-1.1 { |
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67 | execsql { |
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68 | PRAGMA auto_vacuum = 1; |
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69 | CREATE TABLE av1(a); |
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70 | CREATE INDEX av1_idx ON av1(a); |
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71 | } |
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72 | } {} |
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73 | |||
74 | set tn 0 |
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75 | foreach delete_order $delete_orders { |
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76 | incr tn |
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77 | |||
78 | # Set up the table. |
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79 | set ::tbl_data [list] |
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80 | foreach i [lsort -integer [eval concat $delete_order]] { |
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81 | execsql "INSERT INTO av1 (oid, a) VALUES($i, '[make_str $i $ENTRY_LEN]')" |
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82 | lappend ::tbl_data [make_str $i $ENTRY_LEN] |
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83 | } |
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84 | |||
85 | # Make sure the integrity check passes with the initial data. |
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86 | ifcapable {integrityck} { |
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87 | do_test autovacuum-1.$tn.1 { |
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88 | execsql { |
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89 | pragma integrity_check |
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90 | } |
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91 | } {ok} |
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92 | } |
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93 | |||
94 | foreach delete $delete_order { |
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95 | # Delete one set of rows from the table. |
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96 | do_test autovacuum-1.$tn.($delete).1 { |
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97 | execsql " |
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98 | DELETE FROM av1 WHERE oid = [join $delete " OR oid = "] |
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99 | " |
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100 | } {} |
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101 | |||
102 | # Do the integrity check. |
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103 | ifcapable {integrityck} { |
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104 | do_test autovacuum-1.$tn.($delete).2 { |
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105 | execsql { |
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106 | pragma integrity_check |
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107 | } |
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108 | } {ok} |
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109 | } |
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110 | # Ensure the data remaining in the table is what was expected. |
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111 | foreach d $delete { |
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112 | set idx [lsearch $::tbl_data [make_str $d $ENTRY_LEN]] |
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113 | set ::tbl_data [lreplace $::tbl_data $idx $idx] |
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114 | } |
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115 | do_test autovacuum-1.$tn.($delete).3 { |
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116 | execsql { |
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117 | select a from av1 |
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118 | } |
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119 | } $::tbl_data |
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120 | } |
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121 | |||
122 | # All rows have been deleted. Ensure the file has shrunk to 4 pages. |
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123 | do_test autovacuum-1.$tn.3 { |
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124 | file_pages |
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125 | } {4} |
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126 | } |
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127 | |||
128 | #--------------------------------------------------------------------------- |
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129 | # Tests cases autovacuum-2.* test that root pages are allocated |
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130 | # and deallocated correctly at the start of the file. Operation is roughly as |
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131 | # follows: |
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132 | # |
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133 | # autovacuum-2.1.*: Drop the tables that currently exist in the database. |
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134 | # autovacuum-2.2.*: Create some tables. Ensure that data pages can be |
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135 | # moved correctly to make space for new root-pages. |
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136 | # autovacuum-2.3.*: Drop one of the tables just created (not the last one), |
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137 | # and check that one of the other tables is moved to |
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138 | # the free root-page location. |
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139 | # autovacuum-2.4.*: Check that a table can be created correctly when the |
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140 | # root-page it requires is on the free-list. |
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141 | # autovacuum-2.5.*: Check that a table with indices can be dropped. This |
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142 | # is slightly tricky because dropping one of the |
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143 | # indices/table btrees could move the root-page of another. |
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144 | # The code-generation layer of SQLite overcomes this problem |
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145 | # by dropping the btrees in descending order of root-pages. |
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146 | # This test ensures that this actually happens. |
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147 | # |
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148 | do_test autovacuum-2.1.1 { |
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149 | execsql { |
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150 | DROP TABLE av1; |
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151 | } |
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152 | } {} |
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153 | do_test autovacuum-2.1.2 { |
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154 | file_pages |
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155 | } {1} |
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156 | |||
157 | # Create a table and put some data in it. |
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158 | do_test autovacuum-2.2.1 { |
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159 | execsql { |
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160 | CREATE TABLE av1(x); |
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161 | SELECT rootpage FROM sqlite_master ORDER BY rootpage; |
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162 | } |
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163 | } {3} |
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164 | do_test autovacuum-2.2.2 { |
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165 | execsql " |
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166 | INSERT INTO av1 VALUES('[make_str abc 3000]'); |
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167 | INSERT INTO av1 VALUES('[make_str def 3000]'); |
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168 | INSERT INTO av1 VALUES('[make_str ghi 3000]'); |
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169 | INSERT INTO av1 VALUES('[make_str jkl 3000]'); |
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170 | " |
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171 | set ::av1_data [db eval {select * from av1}] |
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172 | file_pages |
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173 | } {15} |
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174 | |||
175 | # Create another table. Check it is located immediately after the first. |
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176 | # This test case moves the second page in an over-flow chain. |
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177 | do_test autovacuum-2.2.3 { |
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178 | execsql { |
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179 | CREATE TABLE av2(x); |
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180 | SELECT rootpage FROM sqlite_master ORDER BY rootpage; |
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181 | } |
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182 | } {3 4} |
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183 | do_test autovacuum-2.2.4 { |
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184 | file_pages |
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185 | } {16} |
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186 | |||
187 | # Create another table. Check it is located immediately after the second. |
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188 | # This test case moves the first page in an over-flow chain. |
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189 | do_test autovacuum-2.2.5 { |
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190 | execsql { |
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191 | CREATE TABLE av3(x); |
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192 | SELECT rootpage FROM sqlite_master ORDER BY rootpage; |
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193 | } |
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194 | } {3 4 5} |
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195 | do_test autovacuum-2.2.6 { |
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196 | file_pages |
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197 | } {17} |
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198 | |||
199 | # Create another table. Check it is located immediately after the second. |
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200 | # This test case moves a btree leaf page. |
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201 | do_test autovacuum-2.2.7 { |
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202 | execsql { |
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203 | CREATE TABLE av4(x); |
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204 | SELECT rootpage FROM sqlite_master ORDER BY rootpage; |
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205 | } |
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206 | } {3 4 5 6} |
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207 | do_test autovacuum-2.2.8 { |
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208 | file_pages |
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209 | } {18} |
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210 | do_test autovacuum-2.2.9 { |
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211 | execsql { |
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212 | select * from av1 |
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213 | } |
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214 | } $av1_data |
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215 | |||
216 | do_test autovacuum-2.3.1 { |
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217 | execsql { |
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218 | INSERT INTO av2 SELECT 'av1' || x FROM av1; |
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219 | INSERT INTO av3 SELECT 'av2' || x FROM av1; |
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220 | INSERT INTO av4 SELECT 'av3' || x FROM av1; |
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221 | } |
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222 | set ::av2_data [execsql {select x from av2}] |
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223 | set ::av3_data [execsql {select x from av3}] |
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224 | set ::av4_data [execsql {select x from av4}] |
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225 | file_pages |
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226 | } {54} |
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227 | do_test autovacuum-2.3.2 { |
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228 | execsql { |
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229 | DROP TABLE av2; |
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230 | SELECT rootpage FROM sqlite_master ORDER BY rootpage; |
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231 | } |
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232 | } {3 4 5} |
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233 | do_test autovacuum-2.3.3 { |
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234 | file_pages |
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235 | } {41} |
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236 | do_test autovacuum-2.3.4 { |
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237 | execsql { |
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238 | SELECT x FROM av3; |
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239 | } |
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240 | } $::av3_data |
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241 | do_test autovacuum-2.3.5 { |
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242 | execsql { |
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243 | SELECT x FROM av4; |
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244 | } |
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245 | } $::av4_data |
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246 | |||
247 | # Drop all the tables in the file. This puts all pages except the first 2 |
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248 | # (the sqlite_master root-page and the first pointer map page) on the |
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249 | # free-list. |
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250 | do_test autovacuum-2.4.1 { |
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251 | execsql { |
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252 | DROP TABLE av1; |
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253 | DROP TABLE av3; |
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254 | BEGIN; |
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255 | DROP TABLE av4; |
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256 | } |
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257 | file_pages |
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258 | } {15} |
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259 | do_test autovacuum-2.4.2 { |
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260 | for {set i 3} {$i<=10} {incr i} { |
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261 | execsql "CREATE TABLE av$i (x)" |
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262 | } |
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263 | file_pages |
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264 | } {15} |
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265 | do_test autovacuum-2.4.3 { |
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266 | execsql { |
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267 | SELECT rootpage FROM sqlite_master ORDER by rootpage |
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268 | } |
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269 | } {3 4 5 6 7 8 9 10} |
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270 | |||
271 | # Right now there are 5 free pages in the database. Consume and then free |
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272 | # a 520 pages. Then create 520 tables. This ensures that at least some of the |
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273 | # desired root-pages reside on the second free-list trunk page, and that the |
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274 | # trunk itself is required at some point. |
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275 | do_test autovacuum-2.4.4 { |
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276 | execsql " |
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277 | INSERT INTO av3 VALUES ('[make_str abcde [expr 1020*520 + 500]]'); |
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278 | DELETE FROM av3; |
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279 | " |
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280 | } {} |
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281 | set root_page_list [list] |
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282 | set pending_byte_page [expr ($::sqlite_pending_byte / 1024) + 1] |
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283 | for {set i 3} {$i<=532} {incr i} { |
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284 | # 207 and 412 are pointer-map pages. |
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285 | if { $i!=207 && $i!=412 && $i != $pending_byte_page} { |
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286 | lappend root_page_list $i |
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287 | } |
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288 | } |
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289 | if {$i >= $pending_byte_page} { |
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290 | lappend root_page_list $i |
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291 | } |
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292 | do_test autovacuum-2.4.5 { |
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293 | for {set i 11} {$i<=530} {incr i} { |
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294 | execsql "CREATE TABLE av$i (x)" |
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295 | } |
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296 | execsql { |
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297 | SELECT rootpage FROM sqlite_master ORDER by rootpage |
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298 | } |
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299 | } $root_page_list |
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300 | |||
301 | # Just for fun, delete all those tables and see if the database is 1 page. |
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302 | do_test autovacuum-2.4.6 { |
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303 | execsql COMMIT; |
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304 | file_pages |
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305 | } [expr 561 + (($i >= $pending_byte_page)?1:0)] |
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306 | integrity_check autovacuum-2.4.6 |
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307 | do_test autovacuum-2.4.7 { |
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308 | execsql BEGIN |
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309 | for {set i 3} {$i<=530} {incr i} { |
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310 | execsql "DROP TABLE av$i" |
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311 | } |
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312 | execsql COMMIT |
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313 | file_pages |
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314 | } 1 |
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315 | |||
316 | # Create some tables with indices to drop. |
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317 | do_test autovacuum-2.5.1 { |
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318 | execsql { |
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319 | CREATE TABLE av1(a PRIMARY KEY, b, c); |
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320 | INSERT INTO av1 VALUES('av1 a', 'av1 b', 'av1 c'); |
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321 | |||
322 | CREATE TABLE av2(a PRIMARY KEY, b, c); |
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323 | CREATE INDEX av2_i1 ON av2(b); |
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324 | CREATE INDEX av2_i2 ON av2(c); |
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325 | INSERT INTO av2 VALUES('av2 a', 'av2 b', 'av2 c'); |
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326 | |||
327 | CREATE TABLE av3(a PRIMARY KEY, b, c); |
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328 | CREATE INDEX av3_i1 ON av3(b); |
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329 | INSERT INTO av3 VALUES('av3 a', 'av3 b', 'av3 c'); |
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330 | |||
331 | CREATE TABLE av4(a, b, c); |
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332 | CREATE INDEX av4_i1 ON av4(a); |
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333 | CREATE INDEX av4_i2 ON av4(b); |
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334 | CREATE INDEX av4_i3 ON av4(c); |
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335 | CREATE INDEX av4_i4 ON av4(a, b, c); |
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336 | INSERT INTO av4 VALUES('av4 a', 'av4 b', 'av4 c'); |
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337 | } |
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338 | } {} |
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339 | |||
340 | do_test autovacuum-2.5.2 { |
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341 | execsql { |
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342 | SELECT name, rootpage FROM sqlite_master; |
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343 | } |
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344 | } [list av1 3 sqlite_autoindex_av1_1 4 \ |
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345 | av2 5 sqlite_autoindex_av2_1 6 av2_i1 7 av2_i2 8 \ |
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346 | av3 9 sqlite_autoindex_av3_1 10 av3_i1 11 \ |
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347 | av4 12 av4_i1 13 av4_i2 14 av4_i3 15 av4_i4 16 \ |
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348 | ] |
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349 | |||
350 | # The following 4 tests are SELECT queries that use the indices created. |
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351 | # If the root-pages in the internal schema are not updated correctly when |
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352 | # a table or indice is moved, these queries will fail. They are repeated |
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353 | # after each table is dropped (i.e. as test cases 2.5.*.[1..4]). |
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354 | do_test autovacuum-2.5.2.1 { |
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355 | execsql { |
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356 | SELECT * FROM av1 WHERE a = 'av1 a'; |
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357 | } |
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358 | } {{av1 a} {av1 b} {av1 c}} |
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359 | do_test autovacuum-2.5.2.2 { |
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360 | execsql { |
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361 | SELECT * FROM av2 WHERE a = 'av2 a' AND b = 'av2 b' AND c = 'av2 c' |
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362 | } |
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363 | } {{av2 a} {av2 b} {av2 c}} |
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364 | do_test autovacuum-2.5.2.3 { |
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365 | execsql { |
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366 | SELECT * FROM av3 WHERE a = 'av3 a' AND b = 'av3 b'; |
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367 | } |
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368 | } {{av3 a} {av3 b} {av3 c}} |
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369 | do_test autovacuum-2.5.2.4 { |
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370 | execsql { |
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371 | SELECT * FROM av4 WHERE a = 'av4 a' AND b = 'av4 b' AND c = 'av4 c'; |
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372 | } |
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373 | } {{av4 a} {av4 b} {av4 c}} |
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374 | |||
375 | # Drop table av3. Indices av4_i2, av4_i3 and av4_i4 are moved to fill the two |
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376 | # root pages vacated. The operation proceeds as: |
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377 | # Step 1: Delete av3_i1 (root-page 11). Move root-page of av4_i4 to page 11. |
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378 | # Step 2: Delete av3 (root-page 10). Move root-page of av4_i3 to page 10. |
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379 | # Step 3: Delete sqlite_autoindex_av1_3 (root-page 9). Move av4_i2 to page 9. |
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380 | do_test autovacuum-2.5.3 { |
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381 | execsql { |
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382 | DROP TABLE av3; |
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383 | SELECT name, rootpage FROM sqlite_master; |
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384 | } |
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385 | } [list av1 3 sqlite_autoindex_av1_1 4 \ |
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386 | av2 5 sqlite_autoindex_av2_1 6 av2_i1 7 av2_i2 8 \ |
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387 | av4 12 av4_i1 13 av4_i2 9 av4_i3 10 av4_i4 11 \ |
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388 | ] |
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389 | do_test autovacuum-2.5.3.1 { |
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390 | execsql { |
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391 | SELECT * FROM av1 WHERE a = 'av1 a'; |
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392 | } |
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393 | } {{av1 a} {av1 b} {av1 c}} |
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394 | do_test autovacuum-2.5.3.2 { |
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395 | execsql { |
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396 | SELECT * FROM av2 WHERE a = 'av2 a' AND b = 'av2 b' AND c = 'av2 c' |
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397 | } |
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398 | } {{av2 a} {av2 b} {av2 c}} |
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399 | do_test autovacuum-2.5.3.3 { |
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400 | execsql { |
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401 | SELECT * FROM av4 WHERE a = 'av4 a' AND b = 'av4 b' AND c = 'av4 c'; |
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402 | } |
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403 | } {{av4 a} {av4 b} {av4 c}} |
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404 | |||
405 | # Drop table av1: |
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406 | # Step 1: Delete av1 (root page 4). Root-page of av4_i1 fills the gap. |
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407 | # Step 2: Delete sqlite_autoindex_av1_1 (root page 3). Move av4 to the gap. |
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408 | do_test autovacuum-2.5.4 { |
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409 | execsql { |
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410 | DROP TABLE av1; |
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411 | SELECT name, rootpage FROM sqlite_master; |
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412 | } |
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413 | } [list av2 5 sqlite_autoindex_av2_1 6 av2_i1 7 av2_i2 8 \ |
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414 | av4 3 av4_i1 4 av4_i2 9 av4_i3 10 av4_i4 11 \ |
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415 | ] |
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416 | do_test autovacuum-2.5.4.2 { |
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417 | execsql { |
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418 | SELECT * FROM av2 WHERE a = 'av2 a' AND b = 'av2 b' AND c = 'av2 c' |
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419 | } |
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420 | } {{av2 a} {av2 b} {av2 c}} |
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421 | do_test autovacuum-2.5.4.4 { |
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422 | execsql { |
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423 | SELECT * FROM av4 WHERE a = 'av4 a' AND b = 'av4 b' AND c = 'av4 c'; |
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424 | } |
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425 | } {{av4 a} {av4 b} {av4 c}} |
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426 | |||
427 | # Drop table av4: |
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428 | # Step 1: Delete av4_i4. |
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429 | # Step 2: Delete av4_i3. |
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430 | # Step 3: Delete av4_i2. |
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431 | # Step 4: Delete av4_i1. av2_i2 replaces it. |
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432 | # Step 5: Delete av4. av2_i1 replaces it. |
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433 | do_test autovacuum-2.5.5 { |
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434 | execsql { |
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435 | DROP TABLE av4; |
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436 | SELECT name, rootpage FROM sqlite_master; |
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437 | } |
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438 | } [list av2 5 sqlite_autoindex_av2_1 6 av2_i1 3 av2_i2 4] |
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439 | do_test autovacuum-2.5.5.2 { |
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440 | execsql { |
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441 | SELECT * FROM av2 WHERE a = 'av2 a' AND b = 'av2 b' AND c = 'av2 c' |
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442 | } |
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443 | } {{av2 a} {av2 b} {av2 c}} |
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444 | |||
445 | #-------------------------------------------------------------------------- |
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446 | # Test cases autovacuum-3.* test the operation of the "PRAGMA auto_vacuum" |
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447 | # command. |
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448 | # |
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449 | do_test autovacuum-3.1 { |
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450 | execsql { |
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451 | PRAGMA auto_vacuum; |
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452 | } |
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453 | } {1} |
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454 | do_test autovacuum-3.2 { |
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455 | db close |
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456 | sqlite3 db test.db |
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457 | execsql { |
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458 | PRAGMA auto_vacuum; |
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459 | } |
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460 | } {1} |
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461 | do_test autovacuum-3.3 { |
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462 | execsql { |
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463 | PRAGMA auto_vacuum = 0; |
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464 | PRAGMA auto_vacuum; |
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465 | } |
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466 | } {1} |
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467 | |||
468 | do_test autovacuum-3.4 { |
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469 | db close |
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470 | file delete -force test.db |
||
471 | sqlite3 db test.db |
||
472 | execsql { |
||
473 | PRAGMA auto_vacuum; |
||
474 | } |
||
475 | } $AUTOVACUUM |
||
476 | do_test autovacuum-3.5 { |
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477 | execsql { |
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478 | CREATE TABLE av1(x); |
||
479 | PRAGMA auto_vacuum; |
||
480 | } |
||
481 | } $AUTOVACUUM |
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482 | do_test autovacuum-3.6 { |
||
483 | execsql { |
||
484 | PRAGMA auto_vacuum = 1; |
||
485 | PRAGMA auto_vacuum; |
||
486 | } |
||
487 | } [expr $AUTOVACUUM ? 1 : 0] |
||
488 | do_test autovacuum-3.7 { |
||
489 | execsql { |
||
490 | DROP TABLE av1; |
||
491 | } |
||
492 | file_pages |
||
493 | } [expr $AUTOVACUUM?1:2] |
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494 | |||
495 | |||
496 | #----------------------------------------------------------------------- |
||
497 | # Test that if a statement transaction around a CREATE INDEX statement is |
||
498 | # rolled back no corruption occurs. |
||
499 | # |
||
500 | do_test autovacuum-4.0 { |
||
501 | # The last round of tests may have left the db in non-autovacuum mode. |
||
502 | # Reset everything just in case. |
||
503 | # |
||
504 | db close |
||
505 | file delete -force test.db test.db-journal |
||
506 | sqlite3 db test.db |
||
507 | execsql { |
||
508 | PRAGMA auto_vacuum = 1; |
||
509 | PRAGMA auto_vacuum; |
||
510 | } |
||
511 | } {1} |
||
512 | do_test autovacuum-4.1 { |
||
513 | execsql { |
||
514 | CREATE TABLE av1(a, b); |
||
515 | BEGIN; |
||
516 | } |
||
517 | for {set i 0} {$i<100} {incr i} { |
||
518 | execsql "INSERT INTO av1 VALUES($i, '[string repeat X 200]');" |
||
519 | } |
||
520 | execsql "INSERT INTO av1 VALUES(99, '[string repeat X 200]');" |
||
521 | execsql { |
||
522 | SELECT sum(a) FROM av1; |
||
523 | } |
||
524 | } {5049} |
||
525 | do_test autovacuum-4.2 { |
||
526 | catchsql { |
||
527 | CREATE UNIQUE INDEX av1_i ON av1(a); |
||
528 | } |
||
529 | } {1 {indexed columns are not unique}} |
||
530 | do_test autovacuum-4.3 { |
||
531 | execsql { |
||
532 | SELECT sum(a) FROM av1; |
||
533 | } |
||
534 | } {5049} |
||
535 | do_test autovacuum-4.4 { |
||
536 | execsql { |
||
537 | COMMIT; |
||
538 | } |
||
539 | } {} |
||
540 | |||
541 | ifcapable integrityck { |
||
542 | |||
543 | # Ticket #1727 |
||
544 | do_test autovacuum-5.1 { |
||
545 | db close |
||
546 | sqlite3 db :memory: |
||
547 | db eval { |
||
548 | PRAGMA auto_vacuum=1; |
||
549 | CREATE TABLE t1(a); |
||
550 | CREATE TABLE t2(a); |
||
551 | DROP TABLE t1; |
||
552 | PRAGMA integrity_check; |
||
553 | } |
||
554 | } ok |
||
555 | |||
556 | } |
||
557 | |||
558 | # Ticket #1728. |
||
559 | # |
||
560 | # In autovacuum mode, when tables or indices are deleted, the rootpage |
||
561 | # values in the symbol table have to be updated. There was a bug in this |
||
562 | # logic so that if an index/table was moved twice, the second move might |
||
563 | # not occur. This would leave the internal symbol table in an inconsistent |
||
564 | # state causing subsequent statements to fail. |
||
565 | # |
||
566 | # The problem is difficult to reproduce. The sequence of statements in |
||
567 | # the following test are carefully designed make it occur and thus to |
||
568 | # verify that this very obscure bug has been resolved. |
||
569 | # |
||
570 | ifcapable integrityck&&memorydb { |
||
571 | |||
572 | do_test autovacuum-6.1 { |
||
573 | db close |
||
574 | sqlite3 db :memory: |
||
575 | db eval { |
||
576 | PRAGMA auto_vacuum=1; |
||
577 | CREATE TABLE t1(a, b); |
||
578 | CREATE INDEX i1 ON t1(a); |
||
579 | CREATE TABLE t2(a); |
||
580 | CREATE INDEX i2 ON t2(a); |
||
581 | CREATE TABLE t3(a); |
||
582 | CREATE INDEX i3 ON t2(a); |
||
583 | CREATE INDEX x ON t1(b); |
||
584 | DROP TABLE t3; |
||
585 | PRAGMA integrity_check; |
||
586 | DROP TABLE t2; |
||
587 | PRAGMA integrity_check; |
||
588 | DROP TABLE t1; |
||
589 | PRAGMA integrity_check; |
||
590 | } |
||
591 | } {ok ok ok} |
||
592 | |||
593 | } |
||
594 | |||
595 | #--------------------------------------------------------------------- |
||
596 | # Test cases autovacuum-7.X test the case where a page must be moved |
||
597 | # and the destination location collides with at least one other |
||
598 | # entry in the page hash-table (internal to the pager.c module. |
||
599 | # |
||
600 | do_test autovacuum-7.1 { |
||
601 | db close |
||
602 | file delete -force test.db |
||
603 | file delete -force test.db-journal |
||
604 | sqlite3 db test.db |
||
605 | |||
606 | execsql { |
||
607 | PRAGMA auto_vacuum=1; |
||
608 | CREATE TABLE t1(a, b, PRIMARY KEY(a, b)); |
||
609 | INSERT INTO t1 VALUES(randstr(400,400),randstr(400,400)); |
||
610 | INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2 |
||
611 | INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 4 |
||
612 | INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 8 |
||
613 | INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 16 |
||
614 | INSERT INTO t1 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 32 |
||
615 | } |
||
616 | |||
617 | expr {[file size test.db] / 1024} |
||
618 | } {73} |
||
619 | |||
620 | do_test autovacuum-7.2 { |
||
621 | execsql { |
||
622 | CREATE TABLE t2(a, b, PRIMARY KEY(a, b)); |
||
623 | INSERT INTO t2 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2 |
||
624 | CREATE TABLE t3(a, b, PRIMARY KEY(a, b)); |
||
625 | INSERT INTO t3 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2 |
||
626 | CREATE TABLE t4(a, b, PRIMARY KEY(a, b)); |
||
627 | INSERT INTO t4 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2 |
||
628 | CREATE TABLE t5(a, b, PRIMARY KEY(a, b)); |
||
629 | INSERT INTO t5 SELECT randstr(400,400), randstr(400,400) FROM t1; -- 2 |
||
630 | } |
||
631 | expr {[file size test.db] / 1024} |
||
632 | } {354} |
||
633 | |||
634 | do_test autovacuum-7.3 { |
||
635 | db close |
||
636 | sqlite3 db test.db |
||
637 | execsql { |
||
638 | BEGIN; |
||
639 | DELETE FROM t4; |
||
640 | COMMIT; |
||
641 | SELECT count(*) FROM t1; |
||
642 | } |
||
643 | expr {[file size test.db] / 1024} |
||
644 | } {286} |
||
645 | |||
646 | #------------------------------------------------------------------------ |
||
647 | # Additional tests. |
||
648 | # |
||
649 | # Try to determine the autovacuum setting for a database that is locked. |
||
650 | # |
||
651 | do_test autovacuum-8.1 { |
||
652 | db close |
||
653 | sqlite3 db test.db |
||
654 | sqlite3 db2 test.db |
||
655 | db eval {PRAGMA auto_vacuum} |
||
656 | } {1} |
||
657 | if {[permutation] == ""} { |
||
658 | do_test autovacuum-8.2 { |
||
659 | db eval {BEGIN EXCLUSIVE} |
||
660 | catchsql {PRAGMA auto_vacuum} db2 |
||
661 | } {1 {database is locked}} |
||
662 | catch {db2 close} |
||
663 | catch {db eval {COMMIT}} |
||
664 | } |
||
665 | |||
666 | do_test autovacuum-9.1 { |
||
667 | execsql { |
||
668 | DROP TABLE t1; |
||
669 | DROP TABLE t2; |
||
670 | DROP TABLE t3; |
||
671 | DROP TABLE t4; |
||
672 | DROP TABLE t5; |
||
673 | PRAGMA page_count; |
||
674 | } |
||
675 | } {1} |
||
676 | do_test autovacuum-9.2 { |
||
677 | file size test.db |
||
678 | } 1024 |
||
679 | do_test autovacuum-9.3 { |
||
680 | execsql { |
||
681 | CREATE TABLE t1(a INTEGER PRIMARY KEY, b); |
||
682 | INSERT INTO t1 VALUES(NULL, randstr(50,50)); |
||
683 | } |
||
684 | for {set ii 0} {$ii < 10} {incr ii} { |
||
685 | db eval { INSERT INTO t1 SELECT NULL, randstr(50,50) FROM t1 } |
||
686 | } |
||
687 | file size test.db |
||
688 | } $::sqlite_pending_byte |
||
689 | do_test autovacuum-9.4 { |
||
690 | execsql { INSERT INTO t1 SELECT NULL, randstr(50,50) FROM t1 } |
||
691 | } {} |
||
692 | do_test autovacuum-9.5 { |
||
693 | execsql { DELETE FROM t1 WHERE rowid > (SELECT max(a)/2 FROM t1) } |
||
694 | file size test.db |
||
695 | } $::sqlite_pending_byte |
||
696 | |||
697 | |||
698 | finish_test |