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 $sql;
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439 | }
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440 |
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441 | function DropTableSQL($tabname)
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442 | {
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443 | return array (sprintf($this->dropTable, $this->TableName($tabname)));
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444 | }
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445 |
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446 | function RenameTableSQL($tabname,$newname)
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447 | {
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448 | return array (sprintf($this->renameTable, $this->TableName($tabname),$this->TableName($newname)));
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449 | }
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450 |
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451 | /**
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452 | Generate the SQL to create table. Returns an array of sql strings.
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453 | */
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454 | function CreateTableSQL($tabname, $flds, $tableoptions=array())
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455 | {
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456 | list($lines,$pkey,$idxs) = $this->_GenFields($flds, true);
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457 | // genfields can return FALSE at times
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458 | if ($lines == null) $lines = array();
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459 |
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460 | $taboptions = $this->_Options($tableoptions);
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461 | $tabname = $this->TableName ($tabname);
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462 | $sql = $this->_TableSQL($tabname,$lines,$pkey,$taboptions);
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---|
463 |
|
---|
464 | // ggiunta - 2006/10/12 - KLUDGE:
|
---|
465 | // if we are on autoincrement, and table options includes REPLACE, the
|
---|
466 | // autoincrement sequence has already been dropped on table creation sql, so
|
---|
467 | // we avoid passing REPLACE to trigger creation code. This prevents
|
---|
468 | // creating sql that double-drops the sequence
|
---|
469 | if ($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 | ?> |
---|