[2] | 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare - Setup * |
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| 4 | * http://www.egroupware.org * |
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| 5 | * -------------------------------------------- * |
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| 6 | * This file written by Michael Dean<mdean@users.sourceforge.net> * |
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| 7 | * and Miles Lott<milosch@groupwhere.org> * |
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| 8 | * -------------------------------------------- * |
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| 9 | * This program is free software; you can redistribute it and/or modify it * |
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| 10 | * under the terms of the GNU General Public License as published by the * |
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| 11 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 12 | * option) any later version. * |
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| 13 | \**************************************************************************/ |
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| 14 | |
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| 15 | |
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| 16 | class schema_proc_mysql |
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| 17 | { |
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| 18 | var $m_sStatementTerminator; |
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| 19 | /* Following added to convert sql to array */ |
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| 20 | var $sCol = array(); |
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| 21 | var $pk = array(); |
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| 22 | var $fk = array(); |
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| 23 | var $ix = array(); |
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| 24 | var $uc = array(); |
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| 25 | |
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| 26 | function schema_proc_mysql() |
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| 27 | { |
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| 28 | $this->m_sStatementTerminator = ';'; |
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| 29 | } |
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| 30 | |
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| 31 | /* Return a type suitable for DDL */ |
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| 32 | function TranslateType($sType, $iPrecision = 0, $iScale = 0) |
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| 33 | { |
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| 34 | $sTranslated = ''; |
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| 35 | switch($sType) |
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| 36 | { |
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| 37 | case 'auto': |
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| 38 | $sTranslated = 'int(11) auto_increment not null'; |
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| 39 | break; |
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| 40 | case 'blob': |
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| 41 | $sTranslated = 'blob'; |
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| 42 | break; |
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| 43 | case 'bool': |
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| 44 | $sTranslated = 'tinyint(1)'; |
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| 45 | break; |
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| 46 | case 'char': |
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| 47 | if($iPrecision > 0 && $iPrecision < 256) |
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| 48 | { |
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| 49 | $sTranslated = sprintf("char(%d)", $iPrecision); |
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| 50 | } |
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| 51 | if($iPrecision > 255) |
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| 52 | { |
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| 53 | $sTranslated = 'text'; |
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| 54 | } |
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| 55 | break; |
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| 56 | case 'date': |
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| 57 | $sTranslated = 'date'; |
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| 58 | break; |
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| 59 | case 'decimal': |
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| 60 | $sTranslated = sprintf("decimal(%d,%d)", $iPrecision, $iScale); |
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| 61 | break; |
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| 62 | case 'float': |
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| 63 | switch($iPrecision) |
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| 64 | { |
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| 65 | case 4: |
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| 66 | $sTranslated = 'float'; |
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| 67 | break; |
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| 68 | case 8: |
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| 69 | $sTranslated = 'double'; |
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| 70 | break; |
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| 71 | } |
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| 72 | break; |
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| 73 | case 'int': |
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| 74 | switch($iPrecision) |
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| 75 | { |
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| 76 | case 2: |
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| 77 | $sTranslated = 'smallint'; |
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| 78 | break; |
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| 79 | case 4: |
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| 80 | $sTranslated = 'int'; |
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| 81 | break; |
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| 82 | case 8: |
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| 83 | $sTranslated = 'bigint'; |
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| 84 | break; |
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| 85 | } |
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| 86 | break; |
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| 87 | case 'longtext': |
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| 88 | $sTranslated = 'longtext'; |
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| 89 | break; |
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| 90 | case 'text': |
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| 91 | $sTranslated = 'text'; |
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| 92 | break; |
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| 93 | case 'timestamp': |
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| 94 | $sTranslated = 'datetime'; |
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| 95 | break; |
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| 96 | case 'varchar': |
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| 97 | if($iPrecision > 0 && $iPrecision < 256) |
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| 98 | { |
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| 99 | $sTranslated = sprintf("varchar(%d)", $iPrecision); |
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| 100 | } |
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| 101 | if($iPrecision > 255) |
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| 102 | { |
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| 103 | $sTranslated = 'text'; |
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| 104 | } |
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| 105 | break; |
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| 106 | } |
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| 107 | return $sTranslated; |
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| 108 | } |
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| 109 | |
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| 110 | function TranslateDefault($sDefault) |
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| 111 | { |
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| 112 | switch($sDefault) |
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| 113 | { |
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| 114 | case 'current_date': |
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| 115 | case 'current_timestamp': |
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| 116 | $sDefault = 'now'; |
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| 117 | } |
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| 118 | return "'$sDefault'"; |
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| 119 | } |
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| 120 | |
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| 121 | /* Inverse of above, convert sql column types to array info */ |
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| 122 | function rTranslateType($sType, $iPrecision = 0, $iScale = 0) |
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| 123 | { |
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| 124 | $sTranslated = ''; |
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| 125 | if($sType == 'int' || $sType == 'tinyint' || $sType == 'smallint' || $sType == 'bigint') |
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| 126 | { |
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| 127 | if($iPrecision > 8) |
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| 128 | { |
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| 129 | $iPrecision = 8; |
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| 130 | } |
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| 131 | elseif($iPrecision > 4) |
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| 132 | { |
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| 133 | $iPrecision = 4; |
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| 134 | } |
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| 135 | else |
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| 136 | { |
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| 137 | $iPrecision = 2; |
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| 138 | } |
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| 139 | } |
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| 140 | switch($sType) |
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| 141 | { |
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| 142 | case 'tinyint': |
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| 143 | case 'smallint': |
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| 144 | $sTranslated = "'type' => 'int', 'precision' => 2"; |
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| 145 | break; |
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| 146 | case 'int': |
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| 147 | $sTranslated = "'type' => 'int', 'precision' => 4"; |
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| 148 | break; |
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| 149 | case 'bigint': |
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| 150 | $sTranslated = "'type' => 'int', 'precision' => 8"; |
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| 151 | break; |
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| 152 | case 'char': |
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| 153 | if($iPrecision > 0 && $iPrecision < 256) |
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| 154 | { |
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| 155 | $sTranslated = "'type' => 'char', 'precision' => $iPrecision"; |
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| 156 | } |
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| 157 | if($iPrecision > 255) |
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| 158 | { |
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| 159 | $sTranslated = "'type' => 'text'"; |
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| 160 | } |
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| 161 | break; |
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| 162 | case 'decimal': |
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| 163 | $sTranslated = "'type' => 'decimal', 'precision' => $iPrecision, 'scale' => $iScale"; |
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| 164 | break; |
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| 165 | case 'float': |
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| 166 | case 'double': |
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| 167 | $sTranslated = "'type' => 'float', 'precision' => $iPrecision"; |
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| 168 | break; |
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| 169 | case 'datetime': |
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| 170 | $sTranslated = "'type' => 'timestamp'"; |
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| 171 | break; |
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| 172 | case 'enum': |
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| 173 | /* Here comes a nasty assumption */ |
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| 174 | /* $sTranslated = "'type' => 'varchar', 'precision' => 255"; */ |
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| 175 | $sTranslated = "'type' => 'varchar', 'precision' => $iPrecision"; |
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| 176 | break; |
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| 177 | case 'varchar': |
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| 178 | if($iPrecision > 0 && $iPrecision < 256) |
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| 179 | { |
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| 180 | $sTranslated = "'type' => 'varchar', 'precision' => $iPrecision"; |
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| 181 | } |
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| 182 | if($iPrecision > 255) |
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| 183 | { |
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| 184 | $sTranslated = "'type' => 'text'"; |
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| 185 | } |
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| 186 | break; |
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| 187 | case 'longtext': |
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| 188 | case 'text': |
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| 189 | case 'blob': |
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| 190 | case 'date': |
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| 191 | $sTranslated = "'type' => '$sType'"; |
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| 192 | break; |
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| 193 | } |
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| 194 | return $sTranslated; |
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| 195 | } |
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| 196 | |
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| 197 | function GetPKSQL($sFields) |
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| 198 | { |
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| 199 | return "PRIMARY KEY($sFields)"; |
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| 200 | } |
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| 201 | |
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| 202 | function GetUCSQL($sFields) |
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| 203 | { |
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| 204 | return "UNIQUE($sFields)"; |
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| 205 | } |
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| 206 | |
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| 207 | function GetIXSQL($sFields,&$append,$options=False) |
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| 208 | { |
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| 209 | $append = False; |
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| 210 | $type = 'INDEX'; |
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| 211 | $length = ''; |
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| 212 | if(strtoupper($options) == 'FULLTEXT') |
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| 213 | { |
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| 214 | $type = 'FULLTEXT'; |
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| 215 | } |
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| 216 | if(is_numeric($options)) |
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| 217 | { |
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| 218 | $length = "($options)"; |
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| 219 | } |
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| 220 | return "$type($sFields $length)"; |
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| 221 | } |
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| 222 | |
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| 223 | function _GetColumns($oProc, $sTableName, &$sColumns, $sDropColumn = '') |
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| 224 | { |
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| 225 | $sColumns = ''; |
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| 226 | $this->pk = array(); |
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| 227 | $this->fk = array(); |
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| 228 | $this->ix = array(); |
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| 229 | $this->uc = array(); |
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| 230 | |
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| 231 | /* Field, Type, Null, Key, Default, Extra */ |
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| 232 | $oProc->m_odb->query("describe $sTableName"); |
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| 233 | while($oProc->m_odb->next_record()) |
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| 234 | { |
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| 235 | $type = $default = $null = $nullcomma = $prec = $scale = $ret = $colinfo = $scales = ''; |
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| 236 | if($sColumns != '') |
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| 237 | { |
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| 238 | $sColumns .= ','; |
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| 239 | } |
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| 240 | $sColumns .= $oProc->m_odb->f(0); |
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| 241 | |
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| 242 | /* The rest of this is used only for SQL->array */ |
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| 243 | $colinfo = explode('(',$oProc->m_odb->f(1)); |
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[5934] | 244 | $prec = preg_replace('/\).*/','',$colinfo[1]); |
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[2] | 245 | $scales = explode(',',$prec); |
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| 246 | |
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| 247 | if($colinfo[0] == 'enum') |
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| 248 | { |
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| 249 | /* set prec to length of longest enum-value */ |
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| 250 | for($prec=0; list($nul,$name) = @each($scales);) |
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| 251 | { |
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| 252 | if($prec < (strlen($name) - 2)) |
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| 253 | { |
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| 254 | /* -2 as name is like "'name'" */ |
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| 255 | $prec = (strlen($name) - 2); |
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| 256 | } |
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| 257 | } |
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| 258 | } |
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| 259 | elseif($scales[1]) |
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| 260 | { |
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| 261 | $prec = $scales[0]; |
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| 262 | $scale = $scales[1]; |
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| 263 | } |
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| 264 | $type = $this->rTranslateType($colinfo[0], $prec, $scale); |
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| 265 | |
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| 266 | if($oProc->m_odb->f(2) == 'YES') |
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| 267 | { |
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| 268 | $null = "'nullable' => True"; |
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| 269 | } |
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| 270 | else |
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| 271 | { |
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| 272 | $null = "'nullable' => False"; |
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| 273 | } |
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| 274 | if($oProc->m_odb->f(4) != '') |
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| 275 | { |
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| 276 | $default = "'default' => '".$oProc->m_odb->f(4)."'"; |
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| 277 | $nullcomma = ','; |
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| 278 | } |
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| 279 | else |
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| 280 | { |
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| 281 | $default = ''; |
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| 282 | $nullcomma = ''; |
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| 283 | } |
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| 284 | if($oProc->m_odb->f(5)) |
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| 285 | { |
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| 286 | $type = "'type' => 'auto'"; |
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| 287 | } |
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| 288 | $this->sCol[] = "\t\t\t\t'" . $oProc->m_odb->f(0)."' => array(" . $type . ',' . $null . $nullcomma . $default . '),' . "\n"; |
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| 289 | /* |
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| 290 | if($oProc->m_odb->f(3) == 'PRI') |
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| 291 | { |
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| 292 | $this->pk[] = $oProc->m_odb->f(0); |
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| 293 | } |
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| 294 | if($oProc->m_odb->f(3) == 'UNI') |
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| 295 | { |
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| 296 | $this->uc[] = $oProc->m_odb->f(0); |
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| 297 | } |
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| 298 | // index over multiple columns |
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| 299 | if($oProc->m_odb->f(3) == 'MUL') |
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| 300 | { |
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| 301 | $this->ix[] = $oProc->m_odb->f(0); |
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| 302 | } |
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| 303 | */ |
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| 304 | } |
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| 305 | $this->_GetIndices($oProc,$sTableName,$this->pk,$this->ix,$this->uc,$this->fk); |
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| 306 | |
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| 307 | /* ugly as heck, but is here to chop the trailing comma on the last element (for php3) */ |
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| 308 | $this->sCol[count($this->sCol) - 1] = substr($this->sCol[count($this->sCol) - 1],0,-2) . "\n"; |
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| 309 | |
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| 310 | return false; |
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| 311 | } |
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| 312 | |
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| 313 | function _GetIndices($oProc,$sTableName,&$aPk,&$aIx,&$aUc,&$aFk) |
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| 314 | { |
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| 315 | $aPk = $aIx = $aUc = $aFk = array(); |
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| 316 | $seq = $ix = $uc = 0; |
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| 317 | |
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| 318 | $oProc->m_odb->query("show index from $sTableName"); |
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| 319 | while($oProc->m_odb->next_record()) |
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| 320 | { |
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| 321 | if($seq >= $oProc->m_odb->f('Seq_in_index')) // new index started |
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| 322 | { |
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| 323 | $$type += 1; |
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| 324 | } |
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| 325 | if($oProc->m_odb->f('Key_name') == 'PRIMARY') // pk |
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| 326 | { |
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| 327 | $aPk[] = $oProc->m_odb->f('Column_name'); |
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| 328 | $type = 'pk'; |
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| 329 | } |
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| 330 | elseif($oProc->m_odb->f('Non_unique')) // ix |
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| 331 | { |
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| 332 | $aIx[$ix][] = $oProc->m_odb->f('Column_name'); |
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| 333 | $type = 'ix'; |
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| 334 | if($oProc->m_odb->f('Comment') == 'FULLTEXT') |
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| 335 | { |
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| 336 | $aIx[$ix]['options'] = array('mysql' => 'FULLTEXT'); |
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| 337 | } |
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| 338 | elseif((int)$oProc->m_odb->f('Sub_part')) |
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| 339 | { |
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| 340 | $aIx[$ix]['options'] = array('mysql' => (int)$oProc->m_odb->f('Sub_part')); |
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| 341 | } |
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| 342 | } |
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| 343 | else // uc |
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| 344 | { |
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| 345 | $aUc[$uc][] = $oProc->m_odb->f('Column_name'); |
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| 346 | $type = 'uc'; |
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| 347 | } |
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| 348 | $seq = $oProc->m_odb->f('Seq_in_index'); |
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| 349 | } |
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| 350 | //echo "Indices from $sTableName<pre>pk=".print_r($aPk,True)."\nix=".print_r($aIx,True)."\nuc=".print_r($aUc,True)."</pre>\n"; |
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| 351 | } |
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| 352 | |
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| 353 | function DropTable($oProc, &$aTables, $sTableName) |
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| 354 | { |
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| 355 | return !!($oProc->m_odb->query("DROP TABLE " . $sTableName)); |
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| 356 | } |
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| 357 | |
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| 358 | function DropColumn($oProc, &$aTables, $sTableName, $aNewTableDef, $sColumnName, $bCopyData = true) |
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| 359 | { |
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| 360 | return !!($oProc->m_odb->query("ALTER TABLE $sTableName DROP COLUMN $sColumnName")); |
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| 361 | } |
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| 362 | |
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| 363 | function RenameTable($oProc, &$aTables, $sOldTableName, $sNewTableName) |
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| 364 | { |
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| 365 | return !!($oProc->m_odb->query("ALTER TABLE $sOldTableName RENAME $sNewTableName")); |
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| 366 | } |
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| 367 | |
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| 368 | function RenameColumn($oProc, &$aTables, $sTableName, $sOldColumnName, $sNewColumnName, $bCopyData = true) |
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| 369 | { |
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| 370 | /* |
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| 371 | TODO: This really needs testing - it can affect primary keys, and other table-related objects |
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| 372 | like sequences and such |
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| 373 | */ |
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| 374 | if($GLOBALS['DEBUG']) { echo '<br>RenameColumn: calling _GetFieldSQL for ' . $sNewColumnName; } |
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| 375 | if($oProc->_GetFieldSQL($aTables[$sTableName]["fd"][$sNewColumnName], $sNewColumnSQL)) |
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| 376 | { |
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| 377 | return !!($oProc->m_odb->query("ALTER TABLE $sTableName CHANGE $sOldColumnName $sNewColumnName " . $sNewColumnSQL)); |
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| 378 | } |
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| 379 | return false; |
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| 380 | } |
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| 381 | |
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| 382 | function AlterColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef, $bCopyData = true) |
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| 383 | { |
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| 384 | if($GLOBALS['DEBUG']) { echo '<br>AlterColumn: calling _GetFieldSQL for ' . $sNewColumnName; } |
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| 385 | if($oProc->_GetFieldSQL($aTables[$sTableName]["fd"][$sColumnName], $sNewColumnSQL)) |
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| 386 | { |
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| 387 | return !!($oProc->m_odb->query("ALTER TABLE $sTableName MODIFY $sColumnName " . $sNewColumnSQL)); |
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| 388 | /* return !!($oProc->m_odb->query("ALTER TABLE $sTableName CHANGE $sColumnName $sColumnName " . $sNewColumnSQL)); */ |
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| 389 | } |
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| 390 | |
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| 391 | return false; |
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| 392 | } |
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| 393 | |
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| 394 | function AddColumn($oProc, &$aTables, $sTableName, $sColumnName, &$aColumnDef) |
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| 395 | { |
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| 396 | $oProc->_GetFieldSQL($aColumnDef, $sFieldSQL); |
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| 397 | $query = "ALTER TABLE $sTableName ADD COLUMN $sColumnName $sFieldSQL"; |
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| 398 | |
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| 399 | return !!($oProc->m_odb->query($query)); |
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| 400 | } |
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| 401 | |
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| 402 | function GetSequenceSQL($sTableName, &$sSequenceSQL) |
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| 403 | { |
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| 404 | $sSequenceSQL = ''; |
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| 405 | return true; |
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| 406 | } |
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| 407 | |
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| 408 | function CreateTable($oProc, &$aTables, $sTableName, $aTableDef) |
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| 409 | { |
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| 410 | if($oProc->_GetTableSQL($sTableName, $aTableDef, $sTableSQL, $sSequenceSQL,$append_ix)) |
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| 411 | { |
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| 412 | /* create sequence first since it will be needed for default */ |
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| 413 | if($sSequenceSQL != '') |
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| 414 | { |
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| 415 | $oProc->m_odb->query($sSequenceSQL); |
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| 416 | } |
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| 417 | |
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| 418 | $query = "CREATE TABLE $sTableName ($sTableSQL)"; |
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| 419 | // override default table type, if a fulltext index is requested, as only MyISAM can do fulltext |
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| 420 | if (stristr($sTableSQL,'FULLTEXT') !== false) |
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| 421 | { |
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| 422 | $query .= 'TYPE=MyISAM'; |
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| 423 | } |
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| 424 | return !!($oProc->m_odb->query($query)); |
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| 425 | } |
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| 426 | |
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| 427 | return false; |
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| 428 | } |
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| 429 | } |
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| 430 | ?> |
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