[2] | 1 | <?php |
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| 2 | |
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| 3 | /** |
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[34] | 4 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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[2] | 5 | Released under both BSD license and Lesser GPL library license. |
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| 6 | Whenever there is any discrepancy between the two licenses, |
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| 7 | the BSD license will take precedence. |
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| 8 | |
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| 9 | Set tabs to 4 for best viewing. |
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| 10 | |
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| 11 | DOCUMENTATION: |
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| 12 | |
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| 13 | See adodb/tests/test-datadict.php for docs and examples. |
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| 14 | */ |
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| 15 | |
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| 16 | /* |
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| 17 | Test script for parser |
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| 18 | */ |
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| 19 | |
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| 20 | // security - hide paths |
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| 21 | if (!defined('ADODB_DIR')) die(); |
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| 22 | |
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| 23 | function Lens_ParseTest() |
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| 24 | { |
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[34] | 25 | $str = "`zcol ACOL` NUMBER(32,2) DEFAULT 'The \"cow\" (and Jim''s dog) jumps over the moon' PRIMARY, INTI INT AUTO DEFAULT 0, zcol2\"afs ds"; |
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[2] | 26 | print "<p>$str</p>"; |
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| 27 | $a= Lens_ParseArgs($str); |
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| 28 | print "<pre>"; |
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| 29 | print_r($a); |
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| 30 | print "</pre>"; |
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| 31 | } |
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| 32 | |
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[34] | 33 | |
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[2] | 34 | if (!function_exists('ctype_alnum')) { |
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| 35 | function ctype_alnum($text) { |
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| 36 | return preg_match('/^[a-z0-9]*$/i', $text); |
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| 37 | } |
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| 38 | } |
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| 39 | |
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| 40 | //Lens_ParseTest(); |
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| 41 | |
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| 42 | /** |
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| 43 | Parse arguments, treat "text" (text) and 'text' as quotation marks. |
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| 44 | To escape, use "" or '' or )) |
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| 45 | |
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| 46 | Will read in "abc def" sans quotes, as: abc def |
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| 47 | Same with 'abc def'. |
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| 48 | However if `abc def`, then will read in as `abc def` |
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| 49 | |
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| 50 | @param endstmtchar Character that indicates end of statement |
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| 51 | @param tokenchars Include the following characters in tokens apart from A-Z and 0-9 |
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| 52 | @returns 2 dimensional array containing parsed tokens. |
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| 53 | */ |
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| 54 | function Lens_ParseArgs($args,$endstmtchar=',',$tokenchars='_.-') |
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| 55 | { |
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| 56 | $pos = 0; |
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| 57 | $intoken = false; |
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| 58 | $stmtno = 0; |
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| 59 | $endquote = false; |
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| 60 | $tokens = array(); |
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| 61 | $tokens[$stmtno] = array(); |
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| 62 | $max = strlen($args); |
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| 63 | $quoted = false; |
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[34] | 64 | $tokarr = array(); |
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[2] | 65 | |
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| 66 | while ($pos < $max) { |
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| 67 | $ch = substr($args,$pos,1); |
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| 68 | switch($ch) { |
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| 69 | case ' ': |
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| 70 | case "\t": |
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| 71 | case "\n": |
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| 72 | case "\r": |
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| 73 | if (!$quoted) { |
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| 74 | if ($intoken) { |
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| 75 | $intoken = false; |
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| 76 | $tokens[$stmtno][] = implode('',$tokarr); |
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| 77 | } |
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| 78 | break; |
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| 79 | } |
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| 80 | |
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| 81 | $tokarr[] = $ch; |
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| 82 | break; |
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| 83 | |
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| 84 | case '`': |
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| 85 | if ($intoken) $tokarr[] = $ch; |
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| 86 | case '(': |
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| 87 | case ')': |
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| 88 | case '"': |
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| 89 | case "'": |
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| 90 | |
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| 91 | if ($intoken) { |
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| 92 | if (empty($endquote)) { |
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| 93 | $tokens[$stmtno][] = implode('',$tokarr); |
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| 94 | if ($ch == '(') $endquote = ')'; |
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| 95 | else $endquote = $ch; |
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| 96 | $quoted = true; |
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| 97 | $intoken = true; |
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| 98 | $tokarr = array(); |
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| 99 | } else if ($endquote == $ch) { |
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| 100 | $ch2 = substr($args,$pos+1,1); |
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| 101 | if ($ch2 == $endquote) { |
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| 102 | $pos += 1; |
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| 103 | $tokarr[] = $ch2; |
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| 104 | } else { |
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| 105 | $quoted = false; |
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| 106 | $intoken = false; |
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| 107 | $tokens[$stmtno][] = implode('',$tokarr); |
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| 108 | $endquote = ''; |
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| 109 | } |
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| 110 | } else |
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| 111 | $tokarr[] = $ch; |
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| 112 | |
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| 113 | }else { |
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| 114 | |
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| 115 | if ($ch == '(') $endquote = ')'; |
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| 116 | else $endquote = $ch; |
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| 117 | $quoted = true; |
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| 118 | $intoken = true; |
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| 119 | $tokarr = array(); |
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| 120 | if ($ch == '`') $tokarr[] = '`'; |
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| 121 | } |
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| 122 | break; |
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| 123 | |
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| 124 | default: |
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| 125 | |
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| 126 | if (!$intoken) { |
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| 127 | if ($ch == $endstmtchar) { |
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| 128 | $stmtno += 1; |
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| 129 | $tokens[$stmtno] = array(); |
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| 130 | break; |
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| 131 | } |
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| 132 | |
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| 133 | $intoken = true; |
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| 134 | $quoted = false; |
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| 135 | $endquote = false; |
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| 136 | $tokarr = array(); |
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| 137 | |
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| 138 | } |
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| 139 | |
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| 140 | if ($quoted) $tokarr[] = $ch; |
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| 141 | else if (ctype_alnum($ch) || strpos($tokenchars,$ch) !== false) $tokarr[] = $ch; |
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| 142 | else { |
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| 143 | if ($ch == $endstmtchar) { |
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| 144 | $tokens[$stmtno][] = implode('',$tokarr); |
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| 145 | $stmtno += 1; |
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| 146 | $tokens[$stmtno] = array(); |
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| 147 | $intoken = false; |
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| 148 | $tokarr = array(); |
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| 149 | break; |
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| 150 | } |
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| 151 | $tokens[$stmtno][] = implode('',$tokarr); |
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| 152 | $tokens[$stmtno][] = $ch; |
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| 153 | $intoken = false; |
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| 154 | } |
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| 155 | } |
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| 156 | $pos += 1; |
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| 157 | } |
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[34] | 158 | if ($intoken) $tokens[$stmtno][] = implode('',$tokarr); |
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[2] | 159 | |
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| 160 | return $tokens; |
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| 161 | } |
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| 162 | |
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| 163 | |
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| 164 | class ADODB_DataDict { |
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| 165 | var $connection; |
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| 166 | var $debug = false; |
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| 167 | var $dropTable = 'DROP TABLE %s'; |
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[34] | 168 | var $renameTable = 'RENAME TABLE %s TO %s'; |
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[2] | 169 | var $dropIndex = 'DROP INDEX %s'; |
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| 170 | var $addCol = ' ADD'; |
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| 171 | var $alterCol = ' ALTER COLUMN'; |
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| 172 | var $dropCol = ' DROP COLUMN'; |
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[34] | 173 | var $renameColumn = 'ALTER TABLE %s RENAME COLUMN %s TO %s'; // table, old-column, new-column, column-definitions (not used by default) |
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[2] | 174 | var $nameRegex = '\w'; |
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[34] | 175 | var $nameRegexBrackets = 'a-zA-Z0-9_\(\)'; |
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[2] | 176 | var $schema = false; |
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| 177 | var $serverInfo = array(); |
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| 178 | var $autoIncrement = false; |
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| 179 | var $dataProvider; |
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[34] | 180 | var $invalidResizeTypes4 = array('CLOB','BLOB','TEXT','DATE','TIME'); // for changetablesql |
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[2] | 181 | var $blobSize = 100; /// any varchar/char field this size or greater is treated as a blob |
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| 182 | /// in other words, we use a text area for editting. |
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| 183 | |
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| 184 | function GetCommentSQL($table,$col) |
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| 185 | { |
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| 186 | return false; |
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| 187 | } |
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| 188 | |
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| 189 | function SetCommentSQL($table,$col,$cmt) |
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| 190 | { |
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| 191 | return false; |
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| 192 | } |
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| 193 | |
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[34] | 194 | function MetaTables() |
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[2] | 195 | { |
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[34] | 196 | if (!$this->connection->IsConnected()) return array(); |
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[2] | 197 | return $this->connection->MetaTables(); |
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| 198 | } |
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| 199 | |
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[34] | 200 | function MetaColumns($tab, $upper=true, $schema=false) |
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[2] | 201 | { |
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[34] | 202 | if (!$this->connection->IsConnected()) return array(); |
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[2] | 203 | return $this->connection->MetaColumns($this->TableName($tab), $upper, $schema); |
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| 204 | } |
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| 205 | |
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[34] | 206 | function MetaPrimaryKeys($tab,$owner=false,$intkey=false) |
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[2] | 207 | { |
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[34] | 208 | if (!$this->connection->IsConnected()) return array(); |
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[2] | 209 | return $this->connection->MetaPrimaryKeys($this->TableName($tab), $owner, $intkey); |
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| 210 | } |
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| 211 | |
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[34] | 212 | function MetaIndexes($table, $primary = false, $owner = false) |
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[2] | 213 | { |
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[34] | 214 | if (!$this->connection->IsConnected()) return array(); |
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[2] | 215 | return $this->connection->MetaIndexes($this->TableName($table), $primary, $owner); |
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| 216 | } |
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| 217 | |
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[34] | 218 | |
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[2] | 219 | function MetaType($t,$len=-1,$fieldobj=false) |
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[34] | 220 | { |
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| 221 | static $typeMap = array( |
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| 222 | 'VARCHAR' => 'C', |
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| 223 | 'VARCHAR2' => 'C', |
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| 224 | 'CHAR' => 'C', |
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| 225 | 'C' => 'C', |
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| 226 | 'STRING' => 'C', |
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| 227 | 'NCHAR' => 'C', |
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| 228 | 'NVARCHAR' => 'C', |
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| 229 | 'VARYING' => 'C', |
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| 230 | 'BPCHAR' => 'C', |
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| 231 | 'CHARACTER' => 'C', |
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| 232 | 'INTERVAL' => 'C', # Postgres |
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| 233 | 'MACADDR' => 'C', # postgres |
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| 234 | ## |
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| 235 | 'LONGCHAR' => 'X', |
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| 236 | 'TEXT' => 'X', |
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| 237 | 'NTEXT' => 'X', |
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| 238 | 'M' => 'X', |
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| 239 | 'X' => 'X', |
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| 240 | 'CLOB' => 'X', |
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| 241 | 'NCLOB' => 'X', |
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| 242 | 'LVARCHAR' => 'X', |
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| 243 | ## |
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| 244 | 'BLOB' => 'B', |
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| 245 | 'IMAGE' => 'B', |
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| 246 | 'BINARY' => 'B', |
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| 247 | 'VARBINARY' => 'B', |
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| 248 | 'LONGBINARY' => 'B', |
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| 249 | 'B' => 'B', |
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| 250 | ## |
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| 251 | 'YEAR' => 'D', // mysql |
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| 252 | 'DATE' => 'D', |
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| 253 | 'D' => 'D', |
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| 254 | ## |
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| 255 | 'UNIQUEIDENTIFIER' => 'C', # MS SQL Server |
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| 256 | ## |
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| 257 | 'TIME' => 'T', |
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| 258 | 'TIMESTAMP' => 'T', |
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| 259 | 'DATETIME' => 'T', |
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| 260 | 'TIMESTAMPTZ' => 'T', |
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| 261 | 'T' => 'T', |
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| 262 | 'TIMESTAMP WITHOUT TIME ZONE' => 'T', // postgresql |
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| 263 | ## |
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| 264 | 'BOOL' => 'L', |
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| 265 | 'BOOLEAN' => 'L', |
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| 266 | 'BIT' => 'L', |
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| 267 | 'L' => 'L', |
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| 268 | ## |
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| 269 | 'COUNTER' => 'R', |
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| 270 | 'R' => 'R', |
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| 271 | 'SERIAL' => 'R', // ifx |
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| 272 | 'INT IDENTITY' => 'R', |
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| 273 | ## |
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| 274 | 'INT' => 'I', |
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| 275 | 'INT2' => 'I', |
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| 276 | 'INT4' => 'I', |
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| 277 | 'INT8' => 'I', |
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| 278 | 'INTEGER' => 'I', |
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| 279 | 'INTEGER UNSIGNED' => 'I', |
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| 280 | 'SHORT' => 'I', |
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| 281 | 'TINYINT' => 'I', |
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| 282 | 'SMALLINT' => 'I', |
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| 283 | 'I' => 'I', |
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| 284 | ## |
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| 285 | 'LONG' => 'N', // interbase is numeric, oci8 is blob |
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| 286 | 'BIGINT' => 'N', // this is bigger than PHP 32-bit integers |
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| 287 | 'DECIMAL' => 'N', |
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| 288 | 'DEC' => 'N', |
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| 289 | 'REAL' => 'N', |
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| 290 | 'DOUBLE' => 'N', |
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| 291 | 'DOUBLE PRECISION' => 'N', |
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| 292 | 'SMALLFLOAT' => 'N', |
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| 293 | 'FLOAT' => 'N', |
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| 294 | 'NUMBER' => 'N', |
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| 295 | 'NUM' => 'N', |
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| 296 | 'NUMERIC' => 'N', |
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| 297 | 'MONEY' => 'N', |
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| 298 | |
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| 299 | ## informix 9.2 |
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| 300 | 'SQLINT' => 'I', |
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| 301 | 'SQLSERIAL' => 'I', |
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| 302 | 'SQLSMINT' => 'I', |
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| 303 | 'SQLSMFLOAT' => 'N', |
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| 304 | 'SQLFLOAT' => 'N', |
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| 305 | 'SQLMONEY' => 'N', |
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| 306 | 'SQLDECIMAL' => 'N', |
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| 307 | 'SQLDATE' => 'D', |
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| 308 | 'SQLVCHAR' => 'C', |
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| 309 | 'SQLCHAR' => 'C', |
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| 310 | 'SQLDTIME' => 'T', |
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| 311 | 'SQLINTERVAL' => 'N', |
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| 312 | 'SQLBYTES' => 'B', |
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| 313 | 'SQLTEXT' => 'X', |
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| 314 | ## informix 10 |
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| 315 | "SQLINT8" => 'I8', |
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| 316 | "SQLSERIAL8" => 'I8', |
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| 317 | "SQLNCHAR" => 'C', |
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| 318 | "SQLNVCHAR" => 'C', |
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| 319 | "SQLLVARCHAR" => 'X', |
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| 320 | "SQLBOOL" => 'L' |
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| 321 | ); |
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| 322 | |
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| 323 | if (!$this->connection->IsConnected()) { |
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| 324 | $t = strtoupper($t); |
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| 325 | if (isset($typeMap[$t])) return $typeMap[$t]; |
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| 326 | return 'N'; |
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| 327 | } |
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| 328 | return $this->connection->MetaType($t,$len,$fieldobj); |
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[2] | 329 | } |
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| 330 | |
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[34] | 331 | function NameQuote($name = NULL,$allowBrackets=false) |
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[2] | 332 | { |
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| 333 | if (!is_string($name)) { |
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| 334 | return FALSE; |
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| 335 | } |
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| 336 | |
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| 337 | $name = trim($name); |
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| 338 | |
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| 339 | if ( !is_object($this->connection) ) { |
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| 340 | return $name; |
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| 341 | } |
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| 342 | |
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| 343 | $quote = $this->connection->nameQuote; |
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| 344 | |
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| 345 | // if name is of the form `name`, quote it |
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| 346 | if ( preg_match('/^`(.+)`$/', $name, $matches) ) { |
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| 347 | return $quote . $matches[1] . $quote; |
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| 348 | } |
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| 349 | |
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| 350 | // if name contains special characters, quote it |
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[34] | 351 | $regex = ($allowBrackets) ? $this->nameRegexBrackets : $this->nameRegex; |
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| 352 | |
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| 353 | if ( !preg_match('/^[' . $regex . ']+$/', $name) ) { |
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[2] | 354 | return $quote . $name . $quote; |
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| 355 | } |
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| 356 | |
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| 357 | return $name; |
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| 358 | } |
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| 359 | |
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| 360 | function TableName($name) |
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| 361 | { |
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| 362 | if ( $this->schema ) { |
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| 363 | return $this->NameQuote($this->schema) .'.'. $this->NameQuote($name); |
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| 364 | } |
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| 365 | return $this->NameQuote($name); |
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| 366 | } |
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| 367 | |
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| 368 | // Executes the sql array returned by GetTableSQL and GetIndexSQL |
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| 369 | function ExecuteSQLArray($sql, $continueOnError = true) |
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| 370 | { |
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| 371 | $rez = 2; |
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| 372 | $conn = &$this->connection; |
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| 373 | $saved = $conn->debug; |
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| 374 | foreach($sql as $line) { |
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| 375 | |
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| 376 | if ($this->debug) $conn->debug = true; |
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| 377 | $ok = $conn->Execute($line); |
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| 378 | $conn->debug = $saved; |
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| 379 | if (!$ok) { |
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| 380 | if ($this->debug) ADOConnection::outp($conn->ErrorMsg()); |
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| 381 | if (!$continueOnError) return 0; |
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| 382 | $rez = 1; |
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| 383 | } |
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| 384 | } |
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| 385 | return $rez; |
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| 386 | } |
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| 387 | |
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[34] | 388 | /** |
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[2] | 389 | Returns the actual type given a character code. |
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| 390 | |
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| 391 | C: varchar |
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| 392 | X: CLOB (character large object) or largest varchar size if CLOB is not supported |
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| 393 | C2: Multibyte varchar |
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| 394 | X2: Multibyte CLOB |
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| 395 | |
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| 396 | B: BLOB (binary large object) |
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| 397 | |
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| 398 | D: Date |
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| 399 | T: Date-time |
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| 400 | L: Integer field suitable for storing booleans (0 or 1) |
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| 401 | I: Integer |
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| 402 | F: Floating point number |
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| 403 | N: Numeric or decimal number |
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| 404 | */ |
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| 405 | |
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| 406 | function ActualType($meta) |
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| 407 | { |
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| 408 | return $meta; |
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| 409 | } |
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| 410 | |
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| 411 | function CreateDatabase($dbname,$options=false) |
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| 412 | { |
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| 413 | $options = $this->_Options($options); |
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| 414 | $sql = array(); |
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| 415 | |
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| 416 | $s = 'CREATE DATABASE ' . $this->NameQuote($dbname); |
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| 417 | if (isset($options[$this->upperName])) |
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| 418 | $s .= ' '.$options[$this->upperName]; |
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| 419 | |
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| 420 | $sql[] = $s; |
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| 421 | return $sql; |
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| 422 | } |
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| 423 | |
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| 424 | /* |
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| 425 | Generates the SQL to create index. Returns an array of sql strings. |
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| 426 | */ |
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| 427 | function CreateIndexSQL($idxname, $tabname, $flds, $idxoptions = false) |
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| 428 | { |
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| 429 | if (!is_array($flds)) { |
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| 430 | $flds = explode(',',$flds); |
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| 431 | } |
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| 432 | |
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| 433 | foreach($flds as $key => $fld) { |
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[34] | 434 | # some indexes can use partial fields, eg. index first 32 chars of "name" with NAME(32) |
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| 435 | $flds[$key] = $this->NameQuote($fld,$allowBrackets=true); |
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[2] | 436 | } |
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| 437 | |
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| 438 | return $this->_IndexSQL($this->NameQuote($idxname), $this->TableName($tabname), $flds, $this->_Options($idxoptions)); |
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| 439 | } |
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| 440 | |
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| 441 | function DropIndexSQL ($idxname, $tabname = NULL) |
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| 442 | { |
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| 443 | return array(sprintf($this->dropIndex, $this->NameQuote($idxname), $this->TableName($tabname))); |
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| 444 | } |
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| 445 | |
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| 446 | function SetSchema($schema) |
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| 447 | { |
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| 448 | $this->schema = $schema; |
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| 449 | } |
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| 450 | |
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| 451 | function AddColumnSQL($tabname, $flds) |
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| 452 | { |
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| 453 | $tabname = $this->TableName ($tabname); |
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| 454 | $sql = array(); |
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[34] | 455 | list($lines,$pkey,$idxs) = $this->_GenFields($flds); |
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| 456 | // genfields can return FALSE at times |
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| 457 | if ($lines == null) $lines = array(); |
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[2] | 458 | $alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' '; |
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| 459 | foreach($lines as $v) { |
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| 460 | $sql[] = $alter . $v; |
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| 461 | } |
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[34] | 462 | if (is_array($idxs)) { |
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| 463 | foreach($idxs as $idx => $idxdef) { |
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| 464 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); |
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| 465 | $sql = array_merge($sql, $sql_idxs); |
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| 466 | } |
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| 467 | } |
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[2] | 468 | return $sql; |
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| 469 | } |
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| 470 | |
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[34] | 471 | /** |
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| 472 | * Change the definition of one column |
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| 473 | * |
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| 474 | * As some DBM's can't do that on there own, you need to supply the complete defintion of the new table, |
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| 475 | * to allow, recreating the table and copying the content over to the new table |
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| 476 | * @param string $tabname table-name |
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| 477 | * @param string $flds column-name and type for the changed column |
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| 478 | * @param string $tableflds='' complete defintion of the new table, eg. for postgres, default '' |
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| 479 | * @param array/string $tableoptions='' options for the new table see CreateTableSQL, default '' |
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| 480 | * @return array with SQL strings |
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| 481 | */ |
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| 482 | function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='') |
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[2] | 483 | { |
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| 484 | $tabname = $this->TableName ($tabname); |
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| 485 | $sql = array(); |
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[34] | 486 | list($lines,$pkey,$idxs) = $this->_GenFields($flds); |
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| 487 | // genfields can return FALSE at times |
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| 488 | if ($lines == null) $lines = array(); |
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[2] | 489 | $alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' '; |
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| 490 | foreach($lines as $v) { |
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| 491 | $sql[] = $alter . $v; |
---|
| 492 | } |
---|
[34] | 493 | if (is_array($idxs)) { |
---|
| 494 | foreach($idxs as $idx => $idxdef) { |
---|
| 495 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); |
---|
| 496 | $sql = array_merge($sql, $sql_idxs); |
---|
| 497 | } |
---|
| 498 | |
---|
| 499 | } |
---|
[2] | 500 | return $sql; |
---|
| 501 | } |
---|
| 502 | |
---|
[34] | 503 | /** |
---|
| 504 | * Rename one column |
---|
| 505 | * |
---|
| 506 | * Some DBM's can only do this together with changeing the type of the column (even if that stays the same, eg. mysql) |
---|
| 507 | * @param string $tabname table-name |
---|
| 508 | * @param string $oldcolumn column-name to be renamed |
---|
| 509 | * @param string $newcolumn new column-name |
---|
| 510 | * @param string $flds='' complete column-defintion-string like for AddColumnSQL, only used by mysql atm., default='' |
---|
| 511 | * @return array with SQL strings |
---|
| 512 | */ |
---|
| 513 | function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='') |
---|
[2] | 514 | { |
---|
| 515 | $tabname = $this->TableName ($tabname); |
---|
[34] | 516 | if ($flds) { |
---|
| 517 | list($lines,$pkey,$idxs) = $this->_GenFields($flds); |
---|
| 518 | // genfields can return FALSE at times |
---|
| 519 | if ($lines == null) $lines = array(); |
---|
| 520 | list(,$first) = each($lines); |
---|
| 521 | list(,$column_def) = split("[\t ]+",$first,2); |
---|
| 522 | } |
---|
| 523 | return array(sprintf($this->renameColumn,$tabname,$this->NameQuote($oldcolumn),$this->NameQuote($newcolumn),$column_def)); |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | /** |
---|
| 527 | * Drop one column |
---|
| 528 | * |
---|
| 529 | * Some DBM's can't do that on there own, you need to supply the complete defintion of the new table, |
---|
| 530 | * to allow, recreating the table and copying the content over to the new table |
---|
| 531 | * @param string $tabname table-name |
---|
| 532 | * @param string $flds column-name and type for the changed column |
---|
| 533 | * @param string $tableflds='' complete defintion of the new table, eg. for postgres, default '' |
---|
| 534 | * @param array/string $tableoptions='' options for the new table see CreateTableSQL, default '' |
---|
| 535 | * @return array with SQL strings |
---|
| 536 | */ |
---|
| 537 | function DropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='') |
---|
| 538 | { |
---|
| 539 | $tabname = $this->TableName ($tabname); |
---|
[2] | 540 | if (!is_array($flds)) $flds = explode(',',$flds); |
---|
| 541 | $sql = array(); |
---|
| 542 | $alter = 'ALTER TABLE ' . $tabname . $this->dropCol . ' '; |
---|
| 543 | foreach($flds as $v) { |
---|
| 544 | $sql[] = $alter . $this->NameQuote($v); |
---|
| 545 | } |
---|
| 546 | return $sql; |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | function DropTableSQL($tabname) |
---|
| 550 | { |
---|
| 551 | return array (sprintf($this->dropTable, $this->TableName($tabname))); |
---|
| 552 | } |
---|
| 553 | |
---|
[34] | 554 | function RenameTableSQL($tabname,$newname) |
---|
| 555 | { |
---|
| 556 | return array (sprintf($this->renameTable, $this->TableName($tabname),$this->TableName($newname))); |
---|
| 557 | } |
---|
| 558 | |
---|
| 559 | /** |
---|
[2] | 560 | Generate the SQL to create table. Returns an array of sql strings. |
---|
| 561 | */ |
---|
[34] | 562 | function CreateTableSQL($tabname, $flds, $tableoptions=array()) |
---|
[2] | 563 | { |
---|
[34] | 564 | list($lines,$pkey,$idxs) = $this->_GenFields($flds, true); |
---|
| 565 | // genfields can return FALSE at times |
---|
| 566 | if ($lines == null) $lines = array(); |
---|
[2] | 567 | |
---|
| 568 | $taboptions = $this->_Options($tableoptions); |
---|
| 569 | $tabname = $this->TableName ($tabname); |
---|
| 570 | $sql = $this->_TableSQL($tabname,$lines,$pkey,$taboptions); |
---|
| 571 | |
---|
[34] | 572 | // ggiunta - 2006/10/12 - KLUDGE: |
---|
| 573 | // if we are on autoincrement, and table options includes REPLACE, the |
---|
| 574 | // autoincrement sequence has already been dropped on table creation sql, so |
---|
| 575 | // we avoid passing REPLACE to trigger creation code. This prevents |
---|
| 576 | // creating sql that double-drops the sequence |
---|
| 577 | if ($this->autoIncrement && isset($taboptions['REPLACE'])) |
---|
| 578 | unset($taboptions['REPLACE']); |
---|
[2] | 579 | $tsql = $this->_Triggers($tabname,$taboptions); |
---|
| 580 | foreach($tsql as $s) $sql[] = $s; |
---|
| 581 | |
---|
[34] | 582 | if (is_array($idxs)) { |
---|
| 583 | foreach($idxs as $idx => $idxdef) { |
---|
| 584 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); |
---|
| 585 | $sql = array_merge($sql, $sql_idxs); |
---|
| 586 | } |
---|
| 587 | } |
---|
| 588 | |
---|
[2] | 589 | return $sql; |
---|
| 590 | } |
---|
| 591 | |
---|
[34] | 592 | function _GenFields($flds,$widespacing=false) |
---|
[2] | 593 | { |
---|
| 594 | if (is_string($flds)) { |
---|
| 595 | $padding = ' '; |
---|
| 596 | $txt = $flds.$padding; |
---|
| 597 | $flds = array(); |
---|
| 598 | $flds0 = Lens_ParseArgs($txt,','); |
---|
| 599 | $hasparam = false; |
---|
| 600 | foreach($flds0 as $f0) { |
---|
| 601 | $f1 = array(); |
---|
| 602 | foreach($f0 as $token) { |
---|
| 603 | switch (strtoupper($token)) { |
---|
[34] | 604 | case 'INDEX': |
---|
| 605 | $f1['INDEX'] = ''; |
---|
| 606 | // fall through intentionally |
---|
[2] | 607 | case 'CONSTRAINT': |
---|
| 608 | case 'DEFAULT': |
---|
| 609 | $hasparam = $token; |
---|
| 610 | break; |
---|
| 611 | default: |
---|
| 612 | if ($hasparam) $f1[$hasparam] = $token; |
---|
| 613 | else $f1[] = $token; |
---|
| 614 | $hasparam = false; |
---|
| 615 | break; |
---|
| 616 | } |
---|
| 617 | } |
---|
[34] | 618 | // 'index' token without a name means single column index: name it after column |
---|
| 619 | if (array_key_exists('INDEX', $f1) && $f1['INDEX'] == '') { |
---|
| 620 | $f1['INDEX'] = isset($f0['NAME']) ? $f0['NAME'] : $f0[0]; |
---|
| 621 | // check if column name used to create an index name was quoted |
---|
| 622 | if (($f1['INDEX'][0] == '"' || $f1['INDEX'][0] == "'" || $f1['INDEX'][0] == "`") && |
---|
| 623 | ($f1['INDEX'][0] == substr($f1['INDEX'], -1))) { |
---|
| 624 | $f1['INDEX'] = $f1['INDEX'][0].'idx_'.substr($f1['INDEX'], 1, -1).$f1['INDEX'][0]; |
---|
| 625 | } |
---|
| 626 | else |
---|
| 627 | $f1['INDEX'] = 'idx_'.$f1['INDEX']; |
---|
| 628 | } |
---|
| 629 | // reset it, so we don't get next field 1st token as INDEX... |
---|
| 630 | $hasparam = false; |
---|
| 631 | |
---|
[2] | 632 | $flds[] = $f1; |
---|
| 633 | |
---|
| 634 | } |
---|
| 635 | } |
---|
| 636 | $this->autoIncrement = false; |
---|
| 637 | $lines = array(); |
---|
| 638 | $pkey = array(); |
---|
[34] | 639 | $idxs = array(); |
---|
[2] | 640 | foreach($flds as $fld) { |
---|
| 641 | $fld = _array_change_key_case($fld); |
---|
[34] | 642 | |
---|
[2] | 643 | $fname = false; |
---|
| 644 | $fdefault = false; |
---|
| 645 | $fautoinc = false; |
---|
| 646 | $ftype = false; |
---|
| 647 | $fsize = false; |
---|
| 648 | $fprec = false; |
---|
| 649 | $fprimary = false; |
---|
| 650 | $fnoquote = false; |
---|
| 651 | $fdefts = false; |
---|
| 652 | $fdefdate = false; |
---|
| 653 | $fconstraint = false; |
---|
| 654 | $fnotnull = false; |
---|
| 655 | $funsigned = false; |
---|
[34] | 656 | $findex = ''; |
---|
| 657 | $funiqueindex = false; |
---|
[2] | 658 | |
---|
| 659 | //----------------- |
---|
| 660 | // Parse attributes |
---|
| 661 | foreach($fld as $attr => $v) { |
---|
| 662 | if ($attr == 2 && is_numeric($v)) $attr = 'SIZE'; |
---|
| 663 | else if (is_numeric($attr) && $attr > 1 && !is_numeric($v)) $attr = strtoupper($v); |
---|
| 664 | |
---|
| 665 | switch($attr) { |
---|
| 666 | case '0': |
---|
| 667 | case 'NAME': $fname = $v; break; |
---|
| 668 | case '1': |
---|
| 669 | case 'TYPE': $ty = $v; $ftype = $this->ActualType(strtoupper($v)); break; |
---|
| 670 | |
---|
| 671 | case 'SIZE': |
---|
| 672 | $dotat = strpos($v,'.'); if ($dotat === false) $dotat = strpos($v,','); |
---|
| 673 | if ($dotat === false) $fsize = $v; |
---|
| 674 | else { |
---|
| 675 | $fsize = substr($v,0,$dotat); |
---|
| 676 | $fprec = substr($v,$dotat+1); |
---|
| 677 | } |
---|
| 678 | break; |
---|
| 679 | case 'UNSIGNED': $funsigned = true; break; |
---|
| 680 | case 'AUTOINCREMENT': |
---|
| 681 | case 'AUTO': $fautoinc = true; $fnotnull = true; break; |
---|
| 682 | case 'KEY': |
---|
[34] | 683 | // a primary key col can be non unique in itself (if key spans many cols...) |
---|
| 684 | case 'PRIMARY': $fprimary = $v; $fnotnull = true; /*$funiqueindex = true;*/ break; |
---|
[2] | 685 | case 'DEF': |
---|
| 686 | case 'DEFAULT': $fdefault = $v; break; |
---|
| 687 | case 'NOTNULL': $fnotnull = $v; break; |
---|
| 688 | case 'NOQUOTE': $fnoquote = $v; break; |
---|
| 689 | case 'DEFDATE': $fdefdate = $v; break; |
---|
| 690 | case 'DEFTIMESTAMP': $fdefts = $v; break; |
---|
| 691 | case 'CONSTRAINT': $fconstraint = $v; break; |
---|
[34] | 692 | // let INDEX keyword create a 'very standard' index on column |
---|
| 693 | case 'INDEX': $findex = $v; break; |
---|
| 694 | case 'UNIQUE': $funiqueindex = true; break; |
---|
[2] | 695 | } //switch |
---|
| 696 | } // foreach $fld |
---|
| 697 | |
---|
| 698 | //-------------------- |
---|
| 699 | // VALIDATE FIELD INFO |
---|
| 700 | if (!strlen($fname)) { |
---|
| 701 | if ($this->debug) ADOConnection::outp("Undefined NAME"); |
---|
| 702 | return false; |
---|
| 703 | } |
---|
| 704 | |
---|
| 705 | $fid = strtoupper(preg_replace('/^`(.+)`$/', '$1', $fname)); |
---|
| 706 | $fname = $this->NameQuote($fname); |
---|
| 707 | |
---|
| 708 | if (!strlen($ftype)) { |
---|
| 709 | if ($this->debug) ADOConnection::outp("Undefined TYPE for field '$fname'"); |
---|
| 710 | return false; |
---|
| 711 | } else { |
---|
| 712 | $ftype = strtoupper($ftype); |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | $ftype = $this->_GetSize($ftype, $ty, $fsize, $fprec); |
---|
| 716 | |
---|
| 717 | if ($ty == 'X' || $ty == 'X2' || $ty == 'B') $fnotnull = false; // some blob types do not accept nulls |
---|
| 718 | |
---|
| 719 | if ($fprimary) $pkey[] = $fname; |
---|
| 720 | |
---|
| 721 | // some databases do not allow blobs to have defaults |
---|
| 722 | if ($ty == 'X') $fdefault = false; |
---|
| 723 | |
---|
[34] | 724 | // build list of indexes |
---|
| 725 | if ($findex != '') { |
---|
| 726 | if (array_key_exists($findex, $idxs)) { |
---|
| 727 | $idxs[$findex]['cols'][] = ($fname); |
---|
| 728 | if (in_array('UNIQUE', $idxs[$findex]['opts']) != $funiqueindex) { |
---|
| 729 | if ($this->debug) ADOConnection::outp("Index $findex defined once UNIQUE and once not"); |
---|
| 730 | } |
---|
| 731 | if ($funiqueindex && !in_array('UNIQUE', $idxs[$findex]['opts'])) |
---|
| 732 | $idxs[$findex]['opts'][] = 'UNIQUE'; |
---|
| 733 | } |
---|
| 734 | else |
---|
| 735 | { |
---|
| 736 | $idxs[$findex] = array(); |
---|
| 737 | $idxs[$findex]['cols'] = array($fname); |
---|
| 738 | if ($funiqueindex) |
---|
| 739 | $idxs[$findex]['opts'] = array('UNIQUE'); |
---|
| 740 | else |
---|
| 741 | $idxs[$findex]['opts'] = array(); |
---|
| 742 | } |
---|
| 743 | } |
---|
| 744 | |
---|
[2] | 745 | //-------------------- |
---|
| 746 | // CONSTRUCT FIELD SQL |
---|
| 747 | if ($fdefts) { |
---|
| 748 | if (substr($this->connection->databaseType,0,5) == 'mysql') { |
---|
| 749 | $ftype = 'TIMESTAMP'; |
---|
| 750 | } else { |
---|
| 751 | $fdefault = $this->connection->sysTimeStamp; |
---|
| 752 | } |
---|
| 753 | } else if ($fdefdate) { |
---|
| 754 | if (substr($this->connection->databaseType,0,5) == 'mysql') { |
---|
| 755 | $ftype = 'TIMESTAMP'; |
---|
| 756 | } else { |
---|
| 757 | $fdefault = $this->connection->sysDate; |
---|
| 758 | } |
---|
[34] | 759 | } else if ($fdefault !== false && !$fnoquote) { |
---|
[2] | 760 | if ($ty == 'C' or $ty == 'X' or |
---|
[34] | 761 | ( substr($fdefault,0,1) != "'" && !is_numeric($fdefault))) { |
---|
| 762 | |
---|
| 763 | if (($ty == 'D' || $ty == 'T') && strtolower($fdefault) != 'null') { |
---|
| 764 | // convert default date into database-aware code |
---|
| 765 | if ($ty == 'T') |
---|
| 766 | { |
---|
| 767 | $fdefault = $this->connection->DBTimeStamp($fdefault); |
---|
| 768 | } |
---|
| 769 | else |
---|
| 770 | { |
---|
| 771 | $fdefault = $this->connection->DBDate($fdefault); |
---|
| 772 | } |
---|
| 773 | } |
---|
| 774 | else |
---|
[2] | 775 | if (strlen($fdefault) != 1 && substr($fdefault,0,1) == ' ' && substr($fdefault,strlen($fdefault)-1) == ' ') |
---|
| 776 | $fdefault = trim($fdefault); |
---|
| 777 | else if (strtolower($fdefault) != 'null') |
---|
| 778 | $fdefault = $this->connection->qstr($fdefault); |
---|
[34] | 779 | } |
---|
| 780 | } |
---|
[2] | 781 | $suffix = $this->_CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned); |
---|
| 782 | |
---|
[34] | 783 | // add index creation |
---|
| 784 | if ($widespacing) $fname = str_pad($fname,24); |
---|
| 785 | |
---|
| 786 | // check for field names appearing twice |
---|
| 787 | if (array_key_exists($fid, $lines)) { |
---|
| 788 | ADOConnection::outp("Field '$fname' defined twice"); |
---|
| 789 | } |
---|
| 790 | |
---|
[2] | 791 | $lines[$fid] = $fname.' '.$ftype.$suffix; |
---|
| 792 | |
---|
| 793 | if ($fautoinc) $this->autoIncrement = true; |
---|
| 794 | } // foreach $flds |
---|
| 795 | |
---|
[34] | 796 | return array($lines,$pkey,$idxs); |
---|
[2] | 797 | } |
---|
[34] | 798 | |
---|
| 799 | /** |
---|
[2] | 800 | GENERATE THE SIZE PART OF THE DATATYPE |
---|
| 801 | $ftype is the actual type |
---|
| 802 | $ty is the type defined originally in the DDL |
---|
| 803 | */ |
---|
| 804 | function _GetSize($ftype, $ty, $fsize, $fprec) |
---|
| 805 | { |
---|
| 806 | if (strlen($fsize) && $ty != 'X' && $ty != 'B' && strpos($ftype,'(') === false) { |
---|
| 807 | $ftype .= "(".$fsize; |
---|
| 808 | if (strlen($fprec)) $ftype .= ",".$fprec; |
---|
| 809 | $ftype .= ')'; |
---|
| 810 | } |
---|
| 811 | return $ftype; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | |
---|
| 815 | // return string must begin with space |
---|
| 816 | function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint) |
---|
| 817 | { |
---|
| 818 | $suffix = ''; |
---|
| 819 | if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; |
---|
| 820 | if ($fnotnull) $suffix .= ' NOT NULL'; |
---|
| 821 | if ($fconstraint) $suffix .= ' '.$fconstraint; |
---|
| 822 | return $suffix; |
---|
| 823 | } |
---|
| 824 | |
---|
| 825 | function _IndexSQL($idxname, $tabname, $flds, $idxoptions) |
---|
| 826 | { |
---|
| 827 | $sql = array(); |
---|
| 828 | |
---|
| 829 | if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) { |
---|
| 830 | $sql[] = sprintf ($this->dropIndex, $idxname); |
---|
| 831 | if ( isset($idxoptions['DROP']) ) |
---|
| 832 | return $sql; |
---|
| 833 | } |
---|
| 834 | |
---|
| 835 | if ( empty ($flds) ) { |
---|
| 836 | return $sql; |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | $unique = isset($idxoptions['UNIQUE']) ? ' UNIQUE' : ''; |
---|
| 840 | |
---|
| 841 | $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' '; |
---|
| 842 | |
---|
| 843 | if ( isset($idxoptions[$this->upperName]) ) |
---|
| 844 | $s .= $idxoptions[$this->upperName]; |
---|
| 845 | |
---|
| 846 | if ( is_array($flds) ) |
---|
| 847 | $flds = implode(', ',$flds); |
---|
| 848 | $s .= '(' . $flds . ')'; |
---|
| 849 | $sql[] = $s; |
---|
| 850 | |
---|
| 851 | return $sql; |
---|
| 852 | } |
---|
| 853 | |
---|
| 854 | function _DropAutoIncrement($tabname) |
---|
| 855 | { |
---|
| 856 | return false; |
---|
| 857 | } |
---|
| 858 | |
---|
| 859 | function _TableSQL($tabname,$lines,$pkey,$tableoptions) |
---|
| 860 | { |
---|
| 861 | $sql = array(); |
---|
| 862 | |
---|
| 863 | if (isset($tableoptions['REPLACE']) || isset ($tableoptions['DROP'])) { |
---|
| 864 | $sql[] = sprintf($this->dropTable,$tabname); |
---|
| 865 | if ($this->autoIncrement) { |
---|
| 866 | $sInc = $this->_DropAutoIncrement($tabname); |
---|
| 867 | if ($sInc) $sql[] = $sInc; |
---|
| 868 | } |
---|
| 869 | if ( isset ($tableoptions['DROP']) ) { |
---|
| 870 | return $sql; |
---|
| 871 | } |
---|
| 872 | } |
---|
| 873 | $s = "CREATE TABLE $tabname (\n"; |
---|
| 874 | $s .= implode(",\n", $lines); |
---|
| 875 | if (sizeof($pkey)>0) { |
---|
| 876 | $s .= ",\n PRIMARY KEY ("; |
---|
| 877 | $s .= implode(", ",$pkey).")"; |
---|
| 878 | } |
---|
| 879 | if (isset($tableoptions['CONSTRAINTS'])) |
---|
| 880 | $s .= "\n".$tableoptions['CONSTRAINTS']; |
---|
| 881 | |
---|
| 882 | if (isset($tableoptions[$this->upperName.'_CONSTRAINTS'])) |
---|
| 883 | $s .= "\n".$tableoptions[$this->upperName.'_CONSTRAINTS']; |
---|
| 884 | |
---|
| 885 | $s .= "\n)"; |
---|
| 886 | if (isset($tableoptions[$this->upperName])) $s .= $tableoptions[$this->upperName]; |
---|
| 887 | $sql[] = $s; |
---|
| 888 | |
---|
| 889 | return $sql; |
---|
| 890 | } |
---|
| 891 | |
---|
[34] | 892 | /** |
---|
[2] | 893 | GENERATE TRIGGERS IF NEEDED |
---|
| 894 | used when table has auto-incrementing field that is emulated using triggers |
---|
| 895 | */ |
---|
| 896 | function _Triggers($tabname,$taboptions) |
---|
| 897 | { |
---|
| 898 | return array(); |
---|
| 899 | } |
---|
| 900 | |
---|
[34] | 901 | /** |
---|
[2] | 902 | Sanitize options, so that array elements with no keys are promoted to keys |
---|
| 903 | */ |
---|
| 904 | function _Options($opts) |
---|
| 905 | { |
---|
| 906 | if (!is_array($opts)) return array(); |
---|
| 907 | $newopts = array(); |
---|
| 908 | foreach($opts as $k => $v) { |
---|
| 909 | if (is_numeric($k)) $newopts[strtoupper($v)] = $v; |
---|
| 910 | else $newopts[strtoupper($k)] = $v; |
---|
| 911 | } |
---|
| 912 | return $newopts; |
---|
| 913 | } |
---|
| 914 | |
---|
[34] | 915 | /** |
---|
| 916 | "Florian Buzin [ easywe ]" <florian.buzin#easywe.de> |
---|
[2] | 917 | |
---|
| 918 | This function changes/adds new fields to your table. You don't |
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| 919 | have to know if the col is new or not. It will check on its own. |
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| 920 | */ |
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| 921 | function ChangeTableSQL($tablename, $flds, $tableoptions = false) |
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| 922 | { |
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[34] | 923 | global $ADODB_FETCH_MODE; |
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| 924 | |
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| 925 | $save = $ADODB_FETCH_MODE; |
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| 926 | $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; |
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| 927 | if ($this->connection->fetchMode !== false) $savem = $this->connection->SetFetchMode(false); |
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| 928 | |
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[2] | 929 | // check table exists |
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[34] | 930 | $save_handler = $this->connection->raiseErrorFn; |
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| 931 | $this->connection->raiseErrorFn = ''; |
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| 932 | $cols = $this->MetaColumns($tablename); |
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| 933 | $this->connection->raiseErrorFn = $save_handler; |
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| 934 | |
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| 935 | if (isset($savem)) $this->connection->SetFetchMode($savem); |
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| 936 | $ADODB_FETCH_MODE = $save; |
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| 937 | |
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[2] | 938 | if ( empty($cols)) { |
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| 939 | return $this->CreateTableSQL($tablename, $flds, $tableoptions); |
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| 940 | } |
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| 941 | |
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[34] | 942 | if (is_array($flds)) { |
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| 943 | // Cycle through the update fields, comparing |
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| 944 | // existing fields to fields to update. |
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| 945 | // if the Metatype and size is exactly the |
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| 946 | // same, ignore - by Mark Newham |
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| 947 | $holdflds = array(); |
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| 948 | foreach($flds as $k=>$v) { |
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| 949 | if ( isset($cols[$k]) && is_object($cols[$k]) ) { |
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| 950 | // If already not allowing nulls, then don't change |
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| 951 | $obj = $cols[$k]; |
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| 952 | if (isset($obj->not_null) && $obj->not_null) |
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| 953 | $v = str_replace('NOT NULL','',$v); |
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| 954 | |
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| 955 | $c = $cols[$k]; |
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| 956 | $ml = $c->max_length; |
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| 957 | $mt = $this->MetaType($c->type,$ml); |
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| 958 | if ($ml == -1) $ml = ''; |
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| 959 | if ($mt == 'X') $ml = $v['SIZE']; |
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| 960 | if (($mt != $v['TYPE']) || $ml != $v['SIZE']) { |
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| 961 | $holdflds[$k] = $v; |
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| 962 | } |
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| 963 | } else { |
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| 964 | $holdflds[$k] = $v; |
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| 965 | } |
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| 966 | } |
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| 967 | $flds = $holdflds; |
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| 968 | } |
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| 969 | |
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| 970 | |
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[2] | 971 | // already exists, alter table instead |
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[34] | 972 | list($lines,$pkey,$idxs) = $this->_GenFields($flds); |
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| 973 | // genfields can return FALSE at times |
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| 974 | if ($lines == null) $lines = array(); |
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[2] | 975 | $alter = 'ALTER TABLE ' . $this->TableName($tablename); |
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| 976 | $sql = array(); |
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[34] | 977 | |
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[2] | 978 | foreach ( $lines as $id => $v ) { |
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| 979 | if ( isset($cols[$id]) && is_object($cols[$id]) ) { |
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[34] | 980 | |
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| 981 | $flds = Lens_ParseArgs($v,','); |
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| 982 | |
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| 983 | // We are trying to change the size of the field, if not allowed, simply ignore the request. |
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| 984 | if ($flds && in_array(strtoupper(substr($flds[0][1],0,4)),$this->invalidResizeTypes4)) { |
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| 985 | echo "<h3>$this->alterCol cannot be changed to $flds currently</h3>"; |
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| 986 | continue; |
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| 987 | } |
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[2] | 988 | $sql[] = $alter . $this->alterCol . ' ' . $v; |
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| 989 | } else { |
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| 990 | $sql[] = $alter . $this->addCol . ' ' . $v; |
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| 991 | } |
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| 992 | } |
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| 993 | |
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| 994 | return $sql; |
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| 995 | } |
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| 996 | } // class |
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| 997 | ?> |
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