[12] | 1 | <?php
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| 2 |
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| 3 | /**
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| 4 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
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| 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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| 25 | $str = "`zcol ACOL` NUMBER(32,2) DEFAULT 'The \"cow\" (and Jim''s dog) jumps over the moon' PRIMARY, INTI INT AUTO DEFAULT 0, zcol2\"afs ds";
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| 26 | print "<p>$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($a);
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| 30 | print "</pre>";
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| 31 | }
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| 32 |
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| 33 |
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| 34 | if (!function_exists('ctype_alnum')) {
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| 35 | function ctype_alnum($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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| 64 | $tokarr = array();
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| 65 |
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| 66 | while ($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 | $pos += 1;
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| 157 | }
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| 158 | if ($intoken) $tokens[$stmtno][] = implode('',$tokarr);
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| 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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| 168 | var $renameTable = 'RENAME TABLE %s TO %s';
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| 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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| 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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| 174 | var $nameRegex = '\w';
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| 175 | var $nameRegexBrackets = 'a-zA-Z0-9_\(\)';
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| 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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| 180 | var $invalidResizeTypes4 = array('CLOB','BLOB','TEXT','DATE','TIME'); // for changetablesql
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| 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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| 194 | function MetaTables()
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| 195 | {
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| 196 | if (!$this->connection->IsConnected()) return array();
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| 197 | return $this->connection->MetaTables();
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| 198 | }
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| 199 |
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| 200 | function MetaColumns($tab, $upper=true, $schema=false)
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| 201 | {
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| 202 | if (!$this->connection->IsConnected()) return array();
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| 203 | return $this->connection->MetaColumns($this->TableName($tab), $upper, $schema);
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| 204 | }
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| 205 |
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| 206 | function MetaPrimaryKeys($tab,$owner=false,$intkey=false)
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| 207 | {
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| 208 | if (!$this->connection->IsConnected()) return array();
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| 209 | return $this->connection->MetaPrimaryKeys($this->TableName($tab), $owner, $intkey);
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| 210 | }
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| 211 |
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| 212 | function MetaIndexes($table, $primary = false, $owner = false)
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| 213 | {
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| 214 | if (!$this->connection->IsConnected()) return array();
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| 215 | return $this->connection->MetaIndexes($this->TableName($table), $primary, $owner);
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| 216 | }
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| 217 |
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| 218 | function MetaType($t,$len=-1,$fieldobj=false)
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| 219 | {
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| 220 | return ADORecordSet::MetaType($t,$len,$fieldobj);
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| 221 | }
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| 222 |
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| 223 | function NameQuote($name = NULL,$allowBrackets=false)
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| 224 | {
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| 225 | if (!is_string($name)) {
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| 226 | return FALSE;
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| 227 | }
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| 228 |
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| 229 | $name = trim($name);
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| 230 |
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| 231 | if ( !is_object($this->connection) ) {
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| 232 | return $name;
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| 233 | }
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| 234 |
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| 235 | $quote = $this->connection->nameQuote;
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| 236 |
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| 237 | // if name is of the form `name`, quote it
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| 238 | if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
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| 239 | return $quote . $matches[1] . $quote;
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| 240 | }
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| 241 |
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| 242 | // if name contains special characters, quote it
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| 243 | $regex = ($allowBrackets) ? $this->nameRegexBrackets : $this->nameRegex;
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| 244 |
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| 245 | if ( !preg_match('/^[' . $regex . ']+$/', $name) ) {
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| 246 | return $quote . $name . $quote;
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| 247 | }
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| 248 |
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| 249 | return $name;
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| 250 | }
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| 251 |
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| 252 | function TableName($name)
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| 253 | {
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| 254 | if ( $this->schema ) {
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| 255 | return $this->NameQuote($this->schema) .'.'. $this->NameQuote($name);
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| 256 | }
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| 257 | return $this->NameQuote($name);
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| 258 | }
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| 259 |
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| 260 | // Executes the sql array returned by GetTableSQL and GetIndexSQL
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| 261 | function ExecuteSQLArray($sql, $continueOnError = true)
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| 262 | {
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| 263 | $rez = 2;
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| 264 | $conn = &$this->connection;
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| 265 | $saved = $conn->debug;
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| 266 | foreach($sql as $line) {
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| 267 |
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| 268 | if ($this->debug) $conn->debug = true;
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| 269 | $ok = $conn->Execute($line);
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| 270 | $conn->debug = $saved;
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| 271 | if (!$ok) {
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| 272 | if ($this->debug) ADOConnection::outp($conn->ErrorMsg());
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| 273 | if (!$continueOnError) return 0;
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| 274 | $rez = 1;
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| 275 | }
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| 276 | }
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| 277 | return $rez;
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| 278 | }
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| 279 |
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| 280 | /**
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| 281 | Returns the actual type given a character code.
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| 282 |
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| 283 | C: varchar
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| 284 | X: CLOB (character large object) or largest varchar size if CLOB is not supported
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| 285 | C2: Multibyte varchar
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| 286 | X2: Multibyte CLOB
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| 287 |
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| 288 | B: BLOB (binary large object)
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| 289 |
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| 290 | D: Date
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| 291 | T: Date-time
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| 292 | L: Integer field suitable for storing booleans (0 or 1)
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| 293 | I: Integer
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| 294 | F: Floating point number
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| 295 | N: Numeric or decimal number
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| 296 | */
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| 297 |
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| 298 | function ActualType($meta)
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| 299 | {
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| 300 | return $meta;
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| 301 | }
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| 302 |
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| 303 | function CreateDatabase($dbname,$options=false)
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| 304 | {
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| 305 | $options = $this->_Options($options);
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| 306 | $sql = array();
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| 307 |
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| 308 | $s = 'CREATE DATABASE ' . $this->NameQuote($dbname);
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| 309 | if (isset($options[$this->upperName]))
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| 310 | $s .= ' '.$options[$this->upperName];
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| 311 |
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| 312 | $sql[] = $s;
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| 313 | return $sql;
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| 314 | }
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| 315 |
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| 316 | /*
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| 317 | Generates the SQL to create index. Returns an array of sql strings.
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| 318 | */
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| 319 | function CreateIndexSQL($idxname, $tabname, $flds, $idxoptions = false)
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| 320 | {
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| 321 | if (!is_array($flds)) {
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| 322 | $flds = explode(',',$flds);
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| 323 | }
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| 324 |
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| 325 | foreach($flds as $key => $fld) {
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| 326 | # some indexes can use partial fields, eg. index first 32 chars of "name" with NAME(32)
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| 327 | $flds[$key] = $this->NameQuote($fld,$allowBrackets=true);
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| 328 | }
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| 329 |
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| 330 | return $this->_IndexSQL($this->NameQuote($idxname), $this->TableName($tabname), $flds, $this->_Options($idxoptions));
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| 331 | }
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| 332 |
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| 333 | function DropIndexSQL ($idxname, $tabname = NULL)
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| 334 | {
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| 335 | return array(sprintf($this->dropIndex, $this->NameQuote($idxname), $this->TableName($tabname)));
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| 336 | }
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| 337 |
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| 338 | function SetSchema($schema)
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| 339 | {
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| 340 | $this->schema = $schema;
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| 341 | }
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| 342 |
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| 343 | function AddColumnSQL($tabname, $flds)
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| 344 | {
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| 345 | $tabname = $this->TableName ($tabname);
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| 346 | $sql = array();
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| 347 | list($lines,$pkey,$idxs) = $this->_GenFields($flds);
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| 348 | // genfields can return FALSE at times
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| 349 | if ($lines == null) $lines = array();
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| 350 | $alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' ';
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| 351 | foreach($lines as $v) {
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| 352 | $sql[] = $alter . $v;
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| 353 | }
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| 354 | if (is_array($idxs)) {
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| 355 | foreach($idxs as $idx => $idxdef) {
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| 356 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']);
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| 357 | $sql = array_merge($sql, $sql_idxs);
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| 358 | }
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| 359 | }
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| 360 | return $sql;
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| 361 | }
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| 362 |
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| 363 | /**
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| 364 | * Change the definition of one column
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| 365 | *
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| 366 | * 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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| 367 | * to allow, recreating the table and copying the content over to the new table
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| 368 | * @param string $tabname table-name
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| 369 | * @param string $flds column-name and type for the changed column
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| 370 | * @param string $tableflds='' complete defintion of the new table, eg. for postgres, default ''
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| 371 | * @param array/string $tableoptions='' options for the new table see CreateTableSQL, default ''
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| 372 | * @return array with SQL strings
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| 373 | */
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| 374 | function AlterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
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| 375 | {
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| 376 | $tabname = $this->TableName ($tabname);
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| 377 | $sql = array();
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| 378 | list($lines,$pkey,$idxs) = $this->_GenFields($flds);
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| 379 | // genfields can return FALSE at times
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| 380 | if ($lines == null) $lines = array();
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| 381 | $alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' ';
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| 382 | foreach($lines as $v) {
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| 383 | $sql[] = $alter . $v;
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| 384 | }
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| 385 | if (is_array($idxs)) {
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| 386 | foreach($idxs as $idx => $idxdef) {
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| 387 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']);
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| 388 | $sql = array_merge($sql, $sql_idxs);
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| 389 | }
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| 390 |
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| 391 | }
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| 392 | return $sql;
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| 393 | }
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| 394 |
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| 395 | /**
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| 396 | * Rename one column
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| 397 | *
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| 398 | * Some DBM's can only do this together with changeing the type of the column (even if that stays the same, eg. mysql)
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| 399 | * @param string $tabname table-name
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| 400 | * @param string $oldcolumn column-name to be renamed
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| 401 | * @param string $newcolumn new column-name
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| 402 | * @param string $flds='' complete column-defintion-string like for AddColumnSQL, only used by mysql atm., default=''
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| 403 | * @return array with SQL strings
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| 404 | */
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| 405 | function RenameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='')
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| 406 | {
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| 407 | $tabname = $this->TableName ($tabname);
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| 408 | if ($flds) {
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| 409 | list($lines,$pkey,$idxs) = $this->_GenFields($flds);
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| 410 | // genfields can return FALSE at times
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| 411 | if ($lines == null) $lines = array();
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| 412 | list(,$first) = each($lines);
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| 413 | list(,$column_def) = split("[\t ]+",$first,2);
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| 414 | }
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| 415 | return array(sprintf($this->renameColumn,$tabname,$this->NameQuote($oldcolumn),$this->NameQuote($newcolumn),$column_def));
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| 416 | }
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| 417 |
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| 418 | /**
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| 419 | * Drop one column
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| 420 | *
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| 421 | * 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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| 422 | * to allow, recreating the table and copying the content over to the new table
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| 423 | * @param string $tabname table-name
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| 424 | * @param string $flds column-name and type for the changed column
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| 425 | * @param string $tableflds='' complete defintion of the new table, eg. for postgres, default ''
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| 426 | * @param array/string $tableoptions='' options for the new table see CreateTableSQL, default ''
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| 427 | * @return array with SQL strings
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| 428 | */
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| 429 | function DropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='')
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| 430 | {
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| 431 | $tabname = $this->TableName ($tabname);
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| 432 | if (!is_array($flds)) $flds = explode(',',$flds);
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| 433 | $sql = array();
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| 434 | $alter = 'ALTER TABLE ' . $tabname . $this->dropCol . ' ';
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| 435 | foreach($flds as $v) {
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| 436 | $sql[] = $alter . $this->NameQuote($v);
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| 437 | }
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| 438 | return $sql;
|
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| 439 | }
|
---|
| 440 |
|
---|
| 441 | function DropTableSQL($tabname)
|
---|
| 442 | {
|
---|
| 443 | return array (sprintf($this->dropTable, $this->TableName($tabname)));
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 | function RenameTableSQL($tabname,$newname)
|
---|
| 447 | {
|
---|
| 448 | return array (sprintf($this->renameTable, $this->TableName($tabname),$this->TableName($newname)));
|
---|
| 449 | }
|
---|
| 450 |
|
---|
| 451 | /**
|
---|
| 452 | Generate the SQL to create table. Returns an array of sql strings.
|
---|
| 453 | */
|
---|
| 454 | function CreateTableSQL($tabname, $flds, $tableoptions=array())
|
---|
| 455 | {
|
---|
| 456 | list($lines,$pkey,$idxs) = $this->_GenFields($flds, true);
|
---|
| 457 | // genfields can return FALSE at times
|
---|
| 458 | if ($lines == null) $lines = array();
|
---|
| 459 |
|
---|
| 460 | $taboptions = $this->_Options($tableoptions);
|
---|
| 461 | $tabname = $this->TableName ($tabname);
|
---|
| 462 | $sql = $this->_TableSQL($tabname,$lines,$pkey,$taboptions);
|
---|
| 463 |
|
---|
| 464 | // ggiunta - 2006/10/12 - KLUDGE:
|
---|
| 465 | // if we are on autoincrement, and table options includes REPLACE, the
|
---|
| 466 | // autoincrement sequence has already been dropped on table creation sql, so
|
---|
| 467 | // we avoid passing REPLACE to trigger creation code. This prevents
|
---|
| 468 | // creating sql that double-drops the sequence
|
---|
| 469 | if ($this->autoIncrement && isset($taboptions['REPLACE']))
|
---|
| 470 | unset($taboptions['REPLACE']);
|
---|
| 471 | $tsql = $this->_Triggers($tabname,$taboptions);
|
---|
| 472 | foreach($tsql as $s) $sql[] = $s;
|
---|
| 473 |
|
---|
| 474 | if (is_array($idxs)) {
|
---|
| 475 | foreach($idxs as $idx => $idxdef) {
|
---|
| 476 | $sql_idxs = $this->CreateIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']);
|
---|
| 477 | $sql = array_merge($sql, $sql_idxs);
|
---|
| 478 | }
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | return $sql;
|
---|
| 482 | }
|
---|
| 483 |
|
---|
| 484 | function _GenFields($flds,$widespacing=false)
|
---|
| 485 | {
|
---|
| 486 | if (is_string($flds)) {
|
---|
| 487 | $padding = ' ';
|
---|
| 488 | $txt = $flds.$padding;
|
---|
| 489 | $flds = array();
|
---|
| 490 | $flds0 = Lens_ParseArgs($txt,',');
|
---|
| 491 | $hasparam = false;
|
---|
| 492 | foreach($flds0 as $f0) {
|
---|
| 493 | $f1 = array();
|
---|
| 494 | foreach($f0 as $token) {
|
---|
| 495 | switch (strtoupper($token)) {
|
---|
| 496 | case 'INDEX':
|
---|
| 497 | $f1['INDEX'] = '';
|
---|
| 498 | // fall through intentionally
|
---|
| 499 | case 'CONSTRAINT':
|
---|
| 500 | case 'DEFAULT':
|
---|
| 501 | $hasparam = $token;
|
---|
| 502 | break;
|
---|
| 503 | default:
|
---|
| 504 | if ($hasparam) $f1[$hasparam] = $token;
|
---|
| 505 | else $f1[] = $token;
|
---|
| 506 | $hasparam = false;
|
---|
| 507 | break;
|
---|
| 508 | }
|
---|
| 509 | }
|
---|
| 510 | // 'index' token without a name means single column index: name it after column
|
---|
| 511 | if (array_key_exists('INDEX', $f1) && $f1['INDEX'] == '') {
|
---|
| 512 | $f1['INDEX'] = isset($f0['NAME']) ? $f0['NAME'] : $f0[0];
|
---|
| 513 | // check if column name used to create an index name was quoted
|
---|
| 514 | if (($f1['INDEX'][0] == '"' || $f1['INDEX'][0] == "'" || $f1['INDEX'][0] == "`") &&
|
---|
| 515 | ($f1['INDEX'][0] == substr($f1['INDEX'], -1))) {
|
---|
| 516 | $f1['INDEX'] = $f1['INDEX'][0].'idx_'.substr($f1['INDEX'], 1, -1).$f1['INDEX'][0];
|
---|
| 517 | }
|
---|
| 518 | else
|
---|
| 519 | $f1['INDEX'] = 'idx_'.$f1['INDEX'];
|
---|
| 520 | }
|
---|
| 521 | // reset it, so we don't get next field 1st token as INDEX...
|
---|
| 522 | $hasparam = false;
|
---|
| 523 |
|
---|
| 524 | $flds[] = $f1;
|
---|
| 525 |
|
---|
| 526 | }
|
---|
| 527 | }
|
---|
| 528 | $this->autoIncrement = false;
|
---|
| 529 | $lines = array();
|
---|
| 530 | $pkey = array();
|
---|
| 531 | $idxs = array();
|
---|
| 532 | foreach($flds as $fld) {
|
---|
| 533 | $fld = _array_change_key_case($fld);
|
---|
| 534 |
|
---|
| 535 | $fname = false;
|
---|
| 536 | $fdefault = false;
|
---|
| 537 | $fautoinc = false;
|
---|
| 538 | $ftype = false;
|
---|
| 539 | $fsize = false;
|
---|
| 540 | $fprec = false;
|
---|
| 541 | $fprimary = false;
|
---|
| 542 | $fnoquote = false;
|
---|
| 543 | $fdefts = false;
|
---|
| 544 | $fdefdate = false;
|
---|
| 545 | $fconstraint = false;
|
---|
| 546 | $fnotnull = false;
|
---|
| 547 | $funsigned = false;
|
---|
| 548 | $findex = '';
|
---|
| 549 | $funiqueindex = false;
|
---|
| 550 |
|
---|
| 551 | //-----------------
|
---|
| 552 | // Parse attributes
|
---|
| 553 | foreach($fld as $attr => $v) {
|
---|
| 554 | if ($attr == 2 && is_numeric($v)) $attr = 'SIZE';
|
---|
| 555 | else if (is_numeric($attr) && $attr > 1 && !is_numeric($v)) $attr = strtoupper($v);
|
---|
| 556 |
|
---|
| 557 | switch($attr) {
|
---|
| 558 | case '0':
|
---|
| 559 | case 'NAME': $fname = $v; break;
|
---|
| 560 | case '1':
|
---|
| 561 | case 'TYPE': $ty = $v; $ftype = $this->ActualType(strtoupper($v)); break;
|
---|
| 562 |
|
---|
| 563 | case 'SIZE':
|
---|
| 564 | $dotat = strpos($v,'.'); if ($dotat === false) $dotat = strpos($v,',');
|
---|
| 565 | if ($dotat === false) $fsize = $v;
|
---|
| 566 | else {
|
---|
| 567 | $fsize = substr($v,0,$dotat);
|
---|
| 568 | $fprec = substr($v,$dotat+1);
|
---|
| 569 | }
|
---|
| 570 | break;
|
---|
| 571 | case 'UNSIGNED': $funsigned = true; break;
|
---|
| 572 | case 'AUTOINCREMENT':
|
---|
| 573 | case 'AUTO': $fautoinc = true; $fnotnull = true; break;
|
---|
| 574 | case 'KEY':
|
---|
| 575 | // a primary key col can be non unique in itself (if key spans many cols...)
|
---|
| 576 | case 'PRIMARY': $fprimary = $v; $fnotnull = true; /*$funiqueindex = true;*/ break;
|
---|
| 577 | case 'DEF':
|
---|
| 578 | case 'DEFAULT': $fdefault = $v; break;
|
---|
| 579 | case 'NOTNULL': $fnotnull = $v; break;
|
---|
| 580 | case 'NOQUOTE': $fnoquote = $v; break;
|
---|
| 581 | case 'DEFDATE': $fdefdate = $v; break;
|
---|
| 582 | case 'DEFTIMESTAMP': $fdefts = $v; break;
|
---|
| 583 | case 'CONSTRAINT': $fconstraint = $v; break;
|
---|
| 584 | // let INDEX keyword create a 'very standard' index on column
|
---|
| 585 | case 'INDEX': $findex = $v; break;
|
---|
| 586 | case 'UNIQUE': $funiqueindex = true; break;
|
---|
| 587 | } //switch
|
---|
| 588 | } // foreach $fld
|
---|
| 589 |
|
---|
| 590 | //--------------------
|
---|
| 591 | // VALIDATE FIELD INFO
|
---|
| 592 | if (!strlen($fname)) {
|
---|
| 593 | if ($this->debug) ADOConnection::outp("Undefined NAME");
|
---|
| 594 | return false;
|
---|
| 595 | }
|
---|
| 596 |
|
---|
| 597 | $fid = strtoupper(preg_replace('/^`(.+)`$/', '$1', $fname));
|
---|
| 598 | $fname = $this->NameQuote($fname);
|
---|
| 599 |
|
---|
| 600 | if (!strlen($ftype)) {
|
---|
| 601 | if ($this->debug) ADOConnection::outp("Undefined TYPE for field '$fname'");
|
---|
| 602 | return false;
|
---|
| 603 | } else {
|
---|
| 604 | $ftype = strtoupper($ftype);
|
---|
| 605 | }
|
---|
| 606 |
|
---|
| 607 | $ftype = $this->_GetSize($ftype, $ty, $fsize, $fprec);
|
---|
| 608 |
|
---|
| 609 | if ($ty == 'X' || $ty == 'X2' || $ty == 'B') $fnotnull = false; // some blob types do not accept nulls
|
---|
| 610 |
|
---|
| 611 | if ($fprimary) $pkey[] = $fname;
|
---|
| 612 |
|
---|
| 613 | // some databases do not allow blobs to have defaults
|
---|
| 614 | if ($ty == 'X') $fdefault = false;
|
---|
| 615 |
|
---|
| 616 | // build list of indexes
|
---|
| 617 | if ($findex != '') {
|
---|
| 618 | if (array_key_exists($findex, $idxs)) {
|
---|
| 619 | $idxs[$findex]['cols'][] = ($fname);
|
---|
| 620 | if (in_array('UNIQUE', $idxs[$findex]['opts']) != $funiqueindex) {
|
---|
| 621 | if ($this->debug) ADOConnection::outp("Index $findex defined once UNIQUE and once not");
|
---|
| 622 | }
|
---|
| 623 | if ($funiqueindex && !in_array('UNIQUE', $idxs[$findex]['opts']))
|
---|
| 624 | $idxs[$findex]['opts'][] = 'UNIQUE';
|
---|
| 625 | }
|
---|
| 626 | else
|
---|
| 627 | {
|
---|
| 628 | $idxs[$findex] = array();
|
---|
| 629 | $idxs[$findex]['cols'] = array($fname);
|
---|
| 630 | if ($funiqueindex)
|
---|
| 631 | $idxs[$findex]['opts'] = array('UNIQUE');
|
---|
| 632 | else
|
---|
| 633 | $idxs[$findex]['opts'] = array();
|
---|
| 634 | }
|
---|
| 635 | }
|
---|
| 636 |
|
---|
| 637 | //--------------------
|
---|
| 638 | // CONSTRUCT FIELD SQL
|
---|
| 639 | if ($fdefts) {
|
---|
| 640 | if (substr($this->connection->databaseType,0,5) == 'mysql') {
|
---|
| 641 | $ftype = 'TIMESTAMP';
|
---|
| 642 | } else {
|
---|
| 643 | $fdefault = $this->connection->sysTimeStamp;
|
---|
| 644 | }
|
---|
| 645 | } else if ($fdefdate) {
|
---|
| 646 | if (substr($this->connection->databaseType,0,5) == 'mysql') {
|
---|
| 647 | $ftype = 'TIMESTAMP';
|
---|
| 648 | } else {
|
---|
| 649 | $fdefault = $this->connection->sysDate;
|
---|
| 650 | }
|
---|
| 651 | } else if ($fdefault !== false && !$fnoquote) {
|
---|
| 652 | if ($ty == 'C' or $ty == 'X' or
|
---|
| 653 | ( substr($fdefault,0,1) != "'" && !is_numeric($fdefault))) {
|
---|
| 654 |
|
---|
| 655 | if (($ty == 'D' || $ty == 'T') && strtolower($fdefault) != 'null') {
|
---|
| 656 | // convert default date into database-aware code
|
---|
| 657 | if ($ty == 'T')
|
---|
| 658 | {
|
---|
| 659 | $fdefault = $this->connection->DBTimeStamp($fdefault);
|
---|
| 660 | }
|
---|
| 661 | else
|
---|
| 662 | {
|
---|
| 663 | $fdefault = $this->connection->DBDate($fdefault);
|
---|
| 664 | }
|
---|
| 665 | }
|
---|
| 666 | else
|
---|
| 667 | if (strlen($fdefault) != 1 && substr($fdefault,0,1) == ' ' && substr($fdefault,strlen($fdefault)-1) == ' ')
|
---|
| 668 | $fdefault = trim($fdefault);
|
---|
| 669 | else if (strtolower($fdefault) != 'null')
|
---|
| 670 | $fdefault = $this->connection->qstr($fdefault);
|
---|
| 671 | }
|
---|
| 672 | }
|
---|
| 673 | $suffix = $this->_CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned);
|
---|
| 674 |
|
---|
| 675 | // add index creation
|
---|
| 676 | if ($widespacing) $fname = str_pad($fname,24);
|
---|
| 677 |
|
---|
| 678 | // check for field names appearing twice
|
---|
| 679 | if (array_key_exists($fid, $lines)) {
|
---|
| 680 | ADOConnection::outp("Field '$fname' defined twice");
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | $lines[$fid] = $fname.' '.$ftype.$suffix;
|
---|
| 684 |
|
---|
| 685 | if ($fautoinc) $this->autoIncrement = true;
|
---|
| 686 | } // foreach $flds
|
---|
| 687 |
|
---|
| 688 | return array($lines,$pkey,$idxs);
|
---|
| 689 | }
|
---|
| 690 |
|
---|
| 691 | /**
|
---|
| 692 | GENERATE THE SIZE PART OF THE DATATYPE
|
---|
| 693 | $ftype is the actual type
|
---|
| 694 | $ty is the type defined originally in the DDL
|
---|
| 695 | */
|
---|
| 696 | function _GetSize($ftype, $ty, $fsize, $fprec)
|
---|
| 697 | {
|
---|
| 698 | if (strlen($fsize) && $ty != 'X' && $ty != 'B' && strpos($ftype,'(') === false) {
|
---|
| 699 | $ftype .= "(".$fsize;
|
---|
| 700 | if (strlen($fprec)) $ftype .= ",".$fprec;
|
---|
| 701 | $ftype .= ')';
|
---|
| 702 | }
|
---|
| 703 | return $ftype;
|
---|
| 704 | }
|
---|
| 705 |
|
---|
| 706 |
|
---|
| 707 | // return string must begin with space
|
---|
| 708 | function _CreateSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint)
|
---|
| 709 | {
|
---|
| 710 | $suffix = '';
|
---|
| 711 | if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault";
|
---|
| 712 | if ($fnotnull) $suffix .= ' NOT NULL';
|
---|
| 713 | if ($fconstraint) $suffix .= ' '.$fconstraint;
|
---|
| 714 | return $suffix;
|
---|
| 715 | }
|
---|
| 716 |
|
---|
| 717 | function _IndexSQL($idxname, $tabname, $flds, $idxoptions)
|
---|
| 718 | {
|
---|
| 719 | $sql = array();
|
---|
| 720 |
|
---|
| 721 | if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) {
|
---|
| 722 | $sql[] = sprintf ($this->dropIndex, $idxname);
|
---|
| 723 | if ( isset($idxoptions['DROP']) )
|
---|
| 724 | return $sql;
|
---|
| 725 | }
|
---|
| 726 |
|
---|
| 727 | if ( empty ($flds) ) {
|
---|
| 728 | return $sql;
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 | $unique = isset($idxoptions['UNIQUE']) ? ' UNIQUE' : '';
|
---|
| 732 |
|
---|
| 733 | $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' ';
|
---|
| 734 |
|
---|
| 735 | if ( isset($idxoptions[$this->upperName]) )
|
---|
| 736 | $s .= $idxoptions[$this->upperName];
|
---|
| 737 |
|
---|
| 738 | if ( is_array($flds) )
|
---|
| 739 | $flds = implode(', ',$flds);
|
---|
| 740 | $s .= '(' . $flds . ')';
|
---|
| 741 | $sql[] = $s;
|
---|
| 742 |
|
---|
| 743 | return $sql;
|
---|
| 744 | }
|
---|
| 745 |
|
---|
| 746 | function _DropAutoIncrement($tabname)
|
---|
| 747 | {
|
---|
| 748 | return false;
|
---|
| 749 | }
|
---|
| 750 |
|
---|
| 751 | function _TableSQL($tabname,$lines,$pkey,$tableoptions)
|
---|
| 752 | {
|
---|
| 753 | $sql = array();
|
---|
| 754 |
|
---|
| 755 | if (isset($tableoptions['REPLACE']) || isset ($tableoptions['DROP'])) {
|
---|
| 756 | $sql[] = sprintf($this->dropTable,$tabname);
|
---|
| 757 | if ($this->autoIncrement) {
|
---|
| 758 | $sInc = $this->_DropAutoIncrement($tabname);
|
---|
| 759 | if ($sInc) $sql[] = $sInc;
|
---|
| 760 | }
|
---|
| 761 | if ( isset ($tableoptions['DROP']) ) {
|
---|
| 762 | return $sql;
|
---|
| 763 | }
|
---|
| 764 | }
|
---|
| 765 | $s = "CREATE TABLE $tabname (\n";
|
---|
| 766 | $s .= implode(",\n", $lines);
|
---|
| 767 | if (sizeof($pkey)>0) {
|
---|
| 768 | $s .= ",\n PRIMARY KEY (";
|
---|
| 769 | $s .= implode(", ",$pkey).")";
|
---|
| 770 | }
|
---|
| 771 | if (isset($tableoptions['CONSTRAINTS']))
|
---|
| 772 | $s .= "\n".$tableoptions['CONSTRAINTS'];
|
---|
| 773 |
|
---|
| 774 | if (isset($tableoptions[$this->upperName.'_CONSTRAINTS']))
|
---|
| 775 | $s .= "\n".$tableoptions[$this->upperName.'_CONSTRAINTS'];
|
---|
| 776 |
|
---|
| 777 | $s .= "\n)";
|
---|
| 778 | if (isset($tableoptions[$this->upperName])) $s .= $tableoptions[$this->upperName];
|
---|
| 779 | $sql[] = $s;
|
---|
| 780 |
|
---|
| 781 | return $sql;
|
---|
| 782 | }
|
---|
| 783 |
|
---|
| 784 | /**
|
---|
| 785 | GENERATE TRIGGERS IF NEEDED
|
---|
| 786 | used when table has auto-incrementing field that is emulated using triggers
|
---|
| 787 | */
|
---|
| 788 | function _Triggers($tabname,$taboptions)
|
---|
| 789 | {
|
---|
| 790 | return array();
|
---|
| 791 | }
|
---|
| 792 |
|
---|
| 793 | /**
|
---|
| 794 | Sanitize options, so that array elements with no keys are promoted to keys
|
---|
| 795 | */
|
---|
| 796 | function _Options($opts)
|
---|
| 797 | {
|
---|
| 798 | if (!is_array($opts)) return array();
|
---|
| 799 | $newopts = array();
|
---|
| 800 | foreach($opts as $k => $v) {
|
---|
| 801 | if (is_numeric($k)) $newopts[strtoupper($v)] = $v;
|
---|
| 802 | else $newopts[strtoupper($k)] = $v;
|
---|
| 803 | }
|
---|
| 804 | return $newopts;
|
---|
| 805 | }
|
---|
| 806 |
|
---|
| 807 | /**
|
---|
| 808 | "Florian Buzin [ easywe ]" <florian.buzin#easywe.de>
|
---|
| 809 |
|
---|
| 810 | This function changes/adds new fields to your table. You don't
|
---|
| 811 | have to know if the col is new or not. It will check on its own.
|
---|
| 812 | */
|
---|
| 813 | function ChangeTableSQL($tablename, $flds, $tableoptions = false)
|
---|
| 814 | {
|
---|
| 815 | global $ADODB_FETCH_MODE;
|
---|
| 816 |
|
---|
| 817 | $save = $ADODB_FETCH_MODE;
|
---|
| 818 | $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
|
---|
| 819 | if ($this->connection->fetchMode !== false) $savem = $this->connection->SetFetchMode(false);
|
---|
| 820 |
|
---|
| 821 | // check table exists
|
---|
| 822 | $save_handler = $this->connection->raiseErrorFn;
|
---|
| 823 | $this->connection->raiseErrorFn = '';
|
---|
| 824 | $cols = $this->MetaColumns($tablename);
|
---|
| 825 | $this->connection->raiseErrorFn = $save_handler;
|
---|
| 826 |
|
---|
| 827 | if (isset($savem)) $this->connection->SetFetchMode($savem);
|
---|
| 828 | $ADODB_FETCH_MODE = $save;
|
---|
| 829 |
|
---|
| 830 | if ( empty($cols)) {
|
---|
| 831 | return $this->CreateTableSQL($tablename, $flds, $tableoptions);
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 | if (is_array($flds)) {
|
---|
| 835 | // Cycle through the update fields, comparing
|
---|
| 836 | // existing fields to fields to update.
|
---|
| 837 | // if the Metatype and size is exactly the
|
---|
| 838 | // same, ignore - by Mark Newham
|
---|
| 839 | $holdflds = array();
|
---|
| 840 | foreach($flds as $k=>$v) {
|
---|
| 841 | if ( isset($cols[$k]) && is_object($cols[$k]) ) {
|
---|
| 842 | // If already not allowing nulls, then don't change
|
---|
| 843 | $obj = $cols[$k];
|
---|
| 844 | if (isset($obj->not_null) && $obj->not_null)
|
---|
| 845 | $v = str_replace('NOT NULL','',$v);
|
---|
| 846 |
|
---|
| 847 | $c = $cols[$k];
|
---|
| 848 | $ml = $c->max_length;
|
---|
| 849 | $mt = $this->MetaType($c->type,$ml);
|
---|
| 850 | if ($ml == -1) $ml = '';
|
---|
| 851 | if ($mt == 'X') $ml = $v['SIZE'];
|
---|
| 852 | if (($mt != $v['TYPE']) || $ml != $v['SIZE']) {
|
---|
| 853 | $holdflds[$k] = $v;
|
---|
| 854 | }
|
---|
| 855 | } else {
|
---|
| 856 | $holdflds[$k] = $v;
|
---|
| 857 | }
|
---|
| 858 | }
|
---|
| 859 | $flds = $holdflds;
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 |
|
---|
| 863 | // already exists, alter table instead
|
---|
| 864 | list($lines,$pkey,$idxs) = $this->_GenFields($flds);
|
---|
| 865 | // genfields can return FALSE at times
|
---|
| 866 | if ($lines == null) $lines = array();
|
---|
| 867 | $alter = 'ALTER TABLE ' . $this->TableName($tablename);
|
---|
| 868 | $sql = array();
|
---|
| 869 |
|
---|
| 870 | foreach ( $lines as $id => $v ) {
|
---|
| 871 | if ( isset($cols[$id]) && is_object($cols[$id]) ) {
|
---|
| 872 |
|
---|
| 873 | $flds = Lens_ParseArgs($v,',');
|
---|
| 874 |
|
---|
| 875 | // We are trying to change the size of the field, if not allowed, simply ignore the request.
|
---|
| 876 | if ($flds && in_array(strtoupper(substr($flds[0][1],0,4)),$this->invalidResizeTypes4)) {
|
---|
| 877 | echo "<h3>$this->alterCol cannot be changed to $flds currently</h3>";
|
---|
| 878 | continue;
|
---|
| 879 | }
|
---|
| 880 | $sql[] = $alter . $this->alterCol . ' ' . $v;
|
---|
| 881 | } else {
|
---|
| 882 | $sql[] = $alter . $this->addCol . ' ' . $v;
|
---|
| 883 | }
|
---|
| 884 | }
|
---|
| 885 |
|
---|
| 886 | return $sql;
|
---|
| 887 | }
|
---|
| 888 | } // class
|
---|
| 889 | ?> |
---|