1 | <?php |
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2 | |
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3 | // security - hide paths |
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4 | if (!defined('ADODB_DIR')) die(); |
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5 | |
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6 | global $ADODB_INCLUDED_LIB; |
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7 | $ADODB_INCLUDED_LIB = 1; |
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8 | |
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9 | /* |
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10 | @version V4.50 6 July 2004 (c) 2000-2004 John Lim (jlim\@natsoft.com.my). All rights reserved. |
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11 | Released under both BSD license and Lesser GPL library license. |
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12 | Whenever there is any discrepancy between the two licenses, |
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13 | the BSD license will take precedence. See License.txt. |
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14 | Set tabs to 4 for best viewing. |
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15 | |
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16 | Less commonly used functions are placed here to reduce size of adodb.inc.php. |
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17 | */ |
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18 | |
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19 | |
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20 | // Force key to upper. |
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21 | // See also http://www.php.net/manual/en/function.array-change-key-case.php |
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22 | function _array_change_key_case($an_array) |
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23 | { |
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24 | if (is_array($an_array)) { |
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25 | foreach($an_array as $key=>$value) |
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26 | $new_array[strtoupper($key)] = $value; |
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27 | |
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28 | return $new_array; |
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29 | } |
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30 | |
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31 | return $an_array; |
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32 | } |
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33 | |
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34 | function _adodb_replace(&$zthis, $table, $fieldArray, $keyCol, $autoQuote, $has_autoinc) |
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35 | { |
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36 | if (count($fieldArray) == 0) return 0; |
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37 | $first = true; |
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38 | $uSet = ''; |
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39 | |
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40 | if (!is_array($keyCol)) { |
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41 | $keyCol = array($keyCol); |
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42 | } |
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43 | foreach($fieldArray as $k => $v) { |
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44 | if ($autoQuote && !is_numeric($v) and strncmp($v,"'",1) !== 0 and strcasecmp($v,'null')!=0) { |
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45 | $v = $zthis->qstr($v); |
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46 | $fieldArray[$k] = $v; |
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47 | } |
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48 | if (in_array($k,$keyCol)) continue; // skip UPDATE if is key |
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49 | |
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50 | if ($first) { |
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51 | $first = false; |
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52 | $uSet = "$k=$v"; |
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53 | } else |
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54 | $uSet .= ",$k=$v"; |
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55 | } |
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56 | |
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57 | $where = false; |
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58 | foreach ($keyCol as $v) { |
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59 | if ($where) $where .= " and $v=$fieldArray[$v]"; |
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60 | else $where = "$v=$fieldArray[$v]"; |
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61 | } |
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62 | |
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63 | if ($uSet && $where) { |
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64 | $update = "UPDATE $table SET $uSet WHERE $where"; |
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65 | |
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66 | $rs = $zthis->_Execute($update); |
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67 | if ($rs) { |
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68 | if ($zthis->poorAffectedRows) { |
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69 | /* |
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70 | The Select count(*) wipes out any errors that the update would have returned. |
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71 | http://phplens.com/lens/lensforum/msgs.php?id=5696 |
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72 | */ |
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73 | if ($zthis->ErrorNo()<>0) return 0; |
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74 | |
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75 | # affected_rows == 0 if update field values identical to old values |
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76 | # for mysql - which is silly. |
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77 | |
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78 | $cnt = $zthis->GetOne("select count(*) from $table where $where"); |
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79 | if ($cnt > 0) return 1; // record already exists |
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80 | } else { |
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81 | |
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82 | if (($zthis->Affected_Rows()>0)) return 1; |
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83 | } |
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84 | } |
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85 | } |
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86 | // print "<p>Error=".$this->ErrorNo().'<p>'; |
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87 | $first = true; |
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88 | foreach($fieldArray as $k => $v) { |
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89 | if ($has_autoinc && in_array($k,$keyCol)) continue; // skip autoinc col |
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90 | |
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91 | if ($first) { |
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92 | $first = false; |
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93 | $iCols = "$k"; |
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94 | $iVals = "$v"; |
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95 | } else { |
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96 | $iCols .= ",$k"; |
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97 | $iVals .= ",$v"; |
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98 | } |
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99 | } |
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100 | $insert = "INSERT INTO $table ($iCols) VALUES ($iVals)"; |
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101 | $rs = $zthis->_Execute($insert); |
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102 | return ($rs) ? 2 : 0; |
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103 | } |
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104 | |
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105 | // Requires $ADODB_FETCH_MODE = ADODB_FETCH_NUM |
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106 | function _adodb_getmenu(&$zthis, $name,$defstr='',$blank1stItem=true,$multiple=false, |
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107 | $size=0, $selectAttr='',$compareFields0=true) |
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108 | { |
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109 | $hasvalue = false; |
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110 | |
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111 | if ($multiple or is_array($defstr)) { |
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112 | if ($size==0) $size=5; |
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113 | $attr = " multiple size=$size"; |
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114 | if (!strpos($name,'[]')) $name .= '[]'; |
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115 | } else if ($size) $attr = " size=$size"; |
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116 | else $attr =''; |
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117 | |
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118 | $s = "<select name=\"$name\"$attr $selectAttr>"; |
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119 | if ($blank1stItem) |
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120 | if (is_string($blank1stItem)) { |
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121 | $barr = explode(':',$blank1stItem); |
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122 | if (sizeof($barr) == 1) $barr[] = ''; |
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123 | $s .= "\n<option value=\"".$barr[0]."\">".$barr[1]."</option>"; |
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124 | } else $s .= "\n<option></option>"; |
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125 | |
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126 | if ($zthis->FieldCount() > 1) $hasvalue=true; |
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127 | else $compareFields0 = true; |
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128 | |
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129 | $value = ''; |
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130 | while(!$zthis->EOF) { |
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131 | $zval = rtrim(reset($zthis->fields)); |
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132 | if (sizeof($zthis->fields) > 1) { |
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133 | if (isset($zthis->fields[1])) |
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134 | $zval2 = rtrim($zthis->fields[1]); |
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135 | else |
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136 | $zval2 = rtrim(next($zthis->fields)); |
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137 | } |
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138 | $selected = ($compareFields0) ? $zval : $zval2; |
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139 | |
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140 | if ($blank1stItem && $zval=="") { |
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141 | $zthis->MoveNext(); |
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142 | continue; |
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143 | } |
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144 | if ($hasvalue) |
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145 | $value = " value='".htmlspecialchars($zval2)."'"; |
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146 | |
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147 | if (is_array($defstr)) { |
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148 | |
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149 | if (in_array($selected,$defstr)) |
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150 | $s .= "<option selected='selected'$value>".htmlspecialchars($zval).'</option>'; |
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151 | else |
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152 | $s .= "\n<option".$value.'>'.htmlspecialchars($zval).'</option>'; |
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153 | } |
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154 | else { |
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155 | if (strcasecmp($selected,$defstr)==0) |
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156 | $s .= "<option selected='selected'$value>".htmlspecialchars($zval).'</option>'; |
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157 | else |
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158 | $s .= "\n<option".$value.'>'.htmlspecialchars($zval).'</option>'; |
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159 | } |
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160 | $zthis->MoveNext(); |
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161 | } // while |
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162 | |
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163 | return $s ."\n</select>\n"; |
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164 | } |
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165 | |
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166 | /* |
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167 | Count the number of records this sql statement will return by using |
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168 | query rewriting techniques... |
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169 | |
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170 | Does not work with UNIONs. |
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171 | */ |
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172 | function _adodb_getcount(&$zthis, $sql,$inputarr=false,$secs2cache=0) |
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173 | { |
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174 | $qryRecs = 0; |
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175 | |
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176 | if (preg_match("/^\s*SELECT\s+DISTINCT/is", $sql) || preg_match('/\s+GROUP\s+BY\s+/is',$sql)) { |
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177 | // ok, has SELECT DISTINCT or GROUP BY so see if we can use a table alias |
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178 | // but this is only supported by oracle and postgresql... |
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179 | if ($zthis->dataProvider == 'oci8') { |
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180 | |
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181 | $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); |
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182 | $rewritesql = "SELECT COUNT(*) FROM ($rewritesql)"; |
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183 | |
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184 | } else if ( $zthis->databaseType == 'postgres' || $zthis->databaseType == 'postgres7') { |
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185 | |
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186 | $info = $zthis->ServerInfo(); |
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187 | if (substr($info['version'],0,3) >= 7.1) { // good till version 999 |
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188 | $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); |
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189 | $rewritesql = "SELECT COUNT(*) FROM ($rewritesql) _ADODB_ALIAS_"; |
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190 | } |
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191 | } |
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192 | } else { |
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193 | // now replace SELECT ... FROM with SELECT COUNT(*) FROM |
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194 | |
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195 | $rewritesql = preg_replace( |
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196 | '/^\s*SELECT\s.*\s+FROM\s/Uis','SELECT COUNT(*) FROM ',$sql); |
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197 | |
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198 | // fix by alexander zhukov, alex#unipack.ru, because count(*) and 'order by' fails |
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199 | // with mssql, access and postgresql. Also a good speedup optimization - skips sorting! |
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200 | $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$rewritesql); |
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201 | } |
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202 | |
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203 | if (isset($rewritesql) && $rewritesql != $sql) { |
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204 | if ($secs2cache) { |
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205 | // we only use half the time of secs2cache because the count can quickly |
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206 | // become inaccurate if new records are added |
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207 | $qryRecs = $zthis->CacheGetOne($secs2cache/2,$rewritesql,$inputarr); |
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208 | |
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209 | } else { |
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210 | $qryRecs = $zthis->GetOne($rewritesql,$inputarr); |
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211 | } |
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212 | if ($qryRecs !== false) return $qryRecs; |
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213 | } |
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214 | //-------------------------------------------- |
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215 | // query rewrite failed - so try slower way... |
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216 | |
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217 | // strip off unneeded ORDER BY if no UNION |
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218 | if (preg_match('/\s*UNION\s*/is', $sql)) $rewritesql = $sql; |
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219 | else $rewritesql = preg_replace('/(\sORDER\s+BY\s.*)/is','',$sql); |
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220 | |
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221 | $rstest = &$zthis->_Execute($rewritesql,$inputarr); |
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222 | if ($rstest) { |
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223 | $qryRecs = $rstest->RecordCount(); |
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224 | if ($qryRecs == -1) { |
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225 | global $ADODB_EXTENSION; |
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226 | // some databases will return -1 on MoveLast() - change to MoveNext() |
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227 | if ($ADODB_EXTENSION) { |
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228 | while(!$rstest->EOF) { |
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229 | adodb_movenext($rstest); |
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230 | } |
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231 | } else { |
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232 | while(!$rstest->EOF) { |
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233 | $rstest->MoveNext(); |
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234 | } |
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235 | } |
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236 | $qryRecs = $rstest->_currentRow; |
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237 | } |
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238 | $rstest->Close(); |
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239 | if ($qryRecs == -1) return 0; |
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240 | } |
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241 | |
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242 | return $qryRecs; |
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243 | } |
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244 | |
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245 | /* |
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246 | Code originally from "Cornel G" <conyg@fx.ro> |
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247 | |
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248 | This code will not work with SQL that has UNION in it |
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249 | |
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250 | Also if you are using CachePageExecute(), there is a strong possibility that |
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251 | data will get out of synch. use CachePageExecute() only with tables that |
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252 | rarely change. |
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253 | */ |
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254 | function &_adodb_pageexecute_all_rows(&$zthis, $sql, $nrows, $page, |
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255 | $inputarr=false, $secs2cache=0) |
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256 | { |
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257 | $atfirstpage = false; |
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258 | $atlastpage = false; |
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259 | $lastpageno=1; |
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260 | |
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261 | // If an invalid nrows is supplied, |
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262 | // we assume a default value of 10 rows per page |
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263 | if (!isset($nrows) || $nrows <= 0) $nrows = 10; |
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264 | |
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265 | $qryRecs = false; //count records for no offset |
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266 | |
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267 | $qryRecs = _adodb_getcount($zthis,$sql,$inputarr,$secs2cache); |
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268 | $lastpageno = (int) ceil($qryRecs / $nrows); |
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269 | $zthis->_maxRecordCount = $qryRecs; |
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270 | |
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271 | |
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272 | |
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273 | // ***** Here we check whether $page is the last page or |
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274 | // whether we are trying to retrieve |
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275 | // a page number greater than the last page number. |
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276 | if ($page >= $lastpageno) { |
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277 | $page = $lastpageno; |
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278 | $atlastpage = true; |
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279 | } |
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280 | |
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281 | // If page number <= 1, then we are at the first page |
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282 | if (empty($page) || $page <= 1) { |
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283 | $page = 1; |
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284 | $atfirstpage = true; |
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285 | } |
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286 | |
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287 | // We get the data we want |
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288 | $offset = $nrows * ($page-1); |
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289 | if ($secs2cache > 0) |
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290 | $rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr); |
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291 | else |
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292 | $rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache); |
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293 | |
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294 | |
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295 | // Before returning the RecordSet, we set the pagination properties we need |
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296 | if ($rsreturn) { |
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297 | $rsreturn->_maxRecordCount = $qryRecs; |
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298 | $rsreturn->rowsPerPage = $nrows; |
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299 | $rsreturn->AbsolutePage($page); |
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300 | $rsreturn->AtFirstPage($atfirstpage); |
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301 | $rsreturn->AtLastPage($atlastpage); |
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302 | $rsreturn->LastPageNo($lastpageno); |
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303 | } |
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304 | return $rsreturn; |
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305 | } |
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306 | |
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307 | // Iván Oliva version |
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308 | function &_adodb_pageexecute_no_last_page(&$zthis, $sql, $nrows, $page, $inputarr=false, $secs2cache=0) |
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309 | { |
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310 | |
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311 | $atfirstpage = false; |
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312 | $atlastpage = false; |
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313 | |
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314 | if (!isset($page) || $page <= 1) { // If page number <= 1, then we are at the first page |
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315 | $page = 1; |
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316 | $atfirstpage = true; |
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317 | } |
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318 | if ($nrows <= 0) $nrows = 10; // If an invalid nrows is supplied, we assume a default value of 10 rows per page |
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319 | |
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320 | // ***** Here we check whether $page is the last page or whether we are trying to retrieve a page number greater than |
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321 | // the last page number. |
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322 | $pagecounter = $page + 1; |
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323 | $pagecounteroffset = ($pagecounter * $nrows) - $nrows; |
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324 | if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr); |
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325 | else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache); |
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326 | if ($rstest) { |
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327 | while ($rstest && $rstest->EOF && $pagecounter>0) { |
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328 | $atlastpage = true; |
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329 | $pagecounter--; |
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330 | $pagecounteroffset = $nrows * ($pagecounter - 1); |
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331 | $rstest->Close(); |
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332 | if ($secs2cache>0) $rstest = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $pagecounteroffset, $inputarr); |
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333 | else $rstest = &$zthis->SelectLimit($sql, $nrows, $pagecounteroffset, $inputarr, $secs2cache); |
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334 | } |
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335 | if ($rstest) $rstest->Close(); |
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336 | } |
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337 | if ($atlastpage) { // If we are at the last page or beyond it, we are going to retrieve it |
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338 | $page = $pagecounter; |
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339 | if ($page == 1) $atfirstpage = true; // We have to do this again in case the last page is the same as the first |
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340 | //... page, that is, the recordset has only 1 page. |
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341 | } |
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342 | |
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343 | // We get the data we want |
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344 | $offset = $nrows * ($page-1); |
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345 | if ($secs2cache > 0) $rsreturn = &$zthis->CacheSelectLimit($secs2cache, $sql, $nrows, $offset, $inputarr); |
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346 | else $rsreturn = &$zthis->SelectLimit($sql, $nrows, $offset, $inputarr, $secs2cache); |
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347 | |
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348 | // Before returning the RecordSet, we set the pagination properties we need |
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349 | if ($rsreturn) { |
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350 | $rsreturn->rowsPerPage = $nrows; |
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351 | $rsreturn->AbsolutePage($page); |
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352 | $rsreturn->AtFirstPage($atfirstpage); |
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353 | $rsreturn->AtLastPage($atlastpage); |
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354 | } |
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355 | return $rsreturn; |
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356 | } |
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357 | |
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358 | function _adodb_getupdatesql(&$zthis,&$rs, $arrFields,$forceUpdate=false,$magicq=false,$forcenulls=false) |
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359 | { |
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360 | if (!$rs) { |
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361 | printf(ADODB_BAD_RS,'GetUpdateSQL'); |
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362 | return false; |
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363 | } |
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364 | |
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365 | $fieldUpdatedCount = 0; |
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366 | $arrFields = _array_change_key_case($arrFields); |
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367 | |
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368 | $hasnumeric = isset($rs->fields[0]); |
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369 | $setFields = ''; |
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370 | |
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371 | // Loop through all of the fields in the recordset |
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372 | for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) { |
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373 | // Get the field from the recordset |
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374 | $field = $rs->FetchField($i); |
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375 | |
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376 | // If the recordset field is one |
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377 | // of the fields passed in then process. |
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378 | $upperfname = strtoupper($field->name); |
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379 | if (adodb_key_exists($upperfname,$arrFields,$forcenulls)) { |
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380 | |
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381 | // If the existing field value in the recordset |
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382 | // is different from the value passed in then |
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383 | // go ahead and append the field name and new value to |
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384 | // the update query. |
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385 | |
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386 | if ($hasnumeric) $val = $rs->fields[$i]; |
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387 | else if (isset($rs->fields[$upperfname])) $val = $rs->fields[$upperfname]; |
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388 | else if (isset($rs->fields[$field->name])) $val = $rs->fields[$field->name]; |
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389 | else if (isset($rs->fields[strtolower($upperfname)])) $val = $rs->fields[strtolower($upperfname)]; |
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390 | else $val = ''; |
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391 | |
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392 | |
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393 | if ($forceUpdate || strcmp($val, $arrFields[$upperfname])) { |
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394 | // Set the counter for the number of fields that will be updated. |
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395 | $fieldUpdatedCount++; |
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396 | |
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397 | // Based on the datatype of the field |
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398 | // Format the value properly for the database |
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399 | $type = $rs->MetaType($field->type); |
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400 | |
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401 | // is_null requires php 4.0.4 |
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402 | if (($forcenulls && is_null($arrFields[$upperfname])) || |
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403 | $arrFields[$upperfname] === 'null') { |
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404 | $setFields .= $field->name . " = null, "; |
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405 | } else { |
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406 | if ($type == 'null') { |
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407 | $type = 'C'; |
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408 | } |
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409 | |
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410 | if (strpos($upperfname,' ') !== false) |
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411 | $fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote; |
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412 | else |
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413 | $fnameq = $upperfname; |
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414 | |
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415 | //we do this so each driver can customize the sql for |
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416 | //DB specific column types. |
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417 | //Oracle needs BLOB types to be handled with a returning clause |
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418 | //postgres has special needs as well |
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419 | $setFields .= _adodb_column_sql($zthis, 'U', $type, $upperfname, $fnameq, |
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420 | $arrFields, $magicq); |
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421 | } |
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422 | } |
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423 | } |
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424 | } |
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425 | |
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426 | // If there were any modified fields then build the rest of the update query. |
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427 | if ($fieldUpdatedCount > 0 || $forceUpdate) { |
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428 | // Get the table name from the existing query. |
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429 | preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName); |
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430 | |
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431 | // Get the full where clause excluding the word "WHERE" from |
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432 | // the existing query. |
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433 | preg_match('/\sWHERE\s(.*)/is', $rs->sql, $whereClause); |
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434 | |
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435 | $discard = false; |
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436 | // not a good hack, improvements? |
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437 | if ($whereClause) { |
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438 | if (preg_match('/\s(ORDER\s.*)/is', $whereClause[1], $discard)); |
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439 | else preg_match('/\s(LIMIT\s.*)/is', $whereClause[1], $discard); |
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440 | } else |
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441 | $whereClause = array(false,false); |
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442 | |
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443 | if ($discard) |
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444 | $whereClause[1] = substr($whereClause[1], 0, strlen($whereClause[1]) - strlen($discard[1])); |
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445 | |
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446 | $sql = 'UPDATE '.$tableName[1].' SET '.substr($setFields, 0, -2); |
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447 | if (strlen($whereClause[1]) > 0) |
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448 | $sql .= ' WHERE '.$whereClause[1]; |
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449 | |
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450 | return $sql; |
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451 | |
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452 | } else { |
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453 | return false; |
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454 | } |
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455 | } |
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456 | |
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457 | function adodb_key_exists($key, &$arr,$forcenulls=false) |
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458 | { |
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459 | if (!$forcenulls) { |
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460 | // the following is the old behaviour where null or empty fields are ignored |
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461 | return (!empty($arr[$key])) || (isset($arr[$key]) && strlen($arr[$key])>0); |
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462 | } |
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463 | |
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464 | if (isset($arr[$key])) return true; |
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465 | ## null check below |
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466 | if (ADODB_PHPVER >= 0x4010) return array_key_exists($key,$arr); |
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467 | return false; |
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468 | } |
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469 | |
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470 | /** |
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471 | * There is a special case of this function for the oci8 driver. |
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472 | * The proper way to handle an insert w/ a blob in oracle requires |
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473 | * a returning clause with bind variables and a descriptor blob. |
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474 | * |
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475 | * |
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476 | */ |
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477 | function _adodb_getinsertsql(&$zthis,&$rs,$arrFields,$magicq=false,$forcenulls=false) |
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478 | { |
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479 | $tableName = ''; |
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480 | $values = ''; |
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481 | $fields = ''; |
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482 | $recordSet = null; |
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483 | $arrFields = _array_change_key_case($arrFields); |
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484 | $fieldInsertedCount = 0; |
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485 | |
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486 | if (is_string($rs)) { |
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487 | //ok we have a table name |
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488 | //try and get the column info ourself. |
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489 | $tableName = $rs; |
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490 | |
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491 | //we need an object for the recordSet |
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492 | //because we have to call MetaType. |
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493 | //php can't do a $rsclass::MetaType() |
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494 | $rsclass = $zthis->rsPrefix.$zthis->databaseType; |
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495 | $recordSet =& new $rsclass(-1,$zthis->fetchMode); |
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496 | $recordSet->connection = &$zthis; |
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497 | |
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498 | $columns = $zthis->MetaColumns( $tableName ); |
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499 | } else if (is_subclass_of($rs, 'adorecordset')) { |
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500 | for ($i=0, $max=$rs->FieldCount(); $i < $max; $i++) |
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501 | $columns[] = $rs->FetchField($i); |
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502 | $recordSet =& $rs; |
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503 | |
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504 | } else { |
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505 | printf(ADODB_BAD_RS,'GetInsertSQL'); |
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506 | return false; |
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507 | } |
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508 | |
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509 | // Loop through all of the fields in the recordset |
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510 | foreach( $columns as $field ) { |
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511 | $upperfname = strtoupper($field->name); |
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512 | if (adodb_key_exists($upperfname,$arrFields,$forcenulls)) { |
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513 | |
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514 | // Set the counter for the number of fields that will be inserted. |
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515 | $fieldInsertedCount++; |
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516 | |
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517 | if (strpos($upperfname,' ') !== false) |
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518 | $fnameq = $zthis->nameQuote.$upperfname.$zthis->nameQuote; |
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519 | else |
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520 | $fnameq = $upperfname; |
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521 | |
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522 | |
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523 | // Get the name of the fields to insert |
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524 | $fields .= $fnameq . ", "; |
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525 | |
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526 | $type = $recordSet->MetaType($field->type); |
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527 | |
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528 | if (($forcenulls && is_null($arrFields[$upperfname])) || |
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529 | $arrFields[$upperfname] === 'null') { |
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530 | $values .= "null, "; |
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531 | } else { |
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532 | //we do this so each driver can customize the sql for |
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533 | //DB specific column types. |
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534 | //Oracle needs BLOB types to be handled with a returning clause |
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535 | //postgres has special needs as well |
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536 | $values .= _adodb_column_sql($zthis, 'I', $type, $upperfname, $fnameq, |
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537 | $arrFields, $magicq); |
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538 | } |
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539 | } |
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540 | } |
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541 | |
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542 | |
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543 | // If there were any inserted fields then build the rest of the insert query. |
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544 | if ($fieldInsertedCount <= 0) return false; |
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545 | |
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546 | // Get the table name from the existing query. |
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547 | if (!$tableName) { |
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548 | if (preg_match("/FROM\s+".ADODB_TABLE_REGEX."/is", $rs->sql, $tableName)) |
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549 | $tableName = $tableName[1]; |
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550 | else |
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551 | return false; |
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552 | } |
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553 | |
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554 | // Strip off the comma and space on the end of both the fields |
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555 | // and their values. |
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556 | $fields = substr($fields, 0, -2); |
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557 | $values = substr($values, 0, -2); |
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558 | |
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559 | // Append the fields and their values to the insert query. |
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560 | return 'INSERT INTO '.$tableName.' ( '.$fields.' ) VALUES ( '.$values.' )'; |
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561 | } |
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562 | |
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563 | |
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564 | /** |
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565 | * This private method is used to help construct |
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566 | * the update/sql which is generated by GetInsertSQL and GetUpdateSQL. |
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567 | * It handles the string construction of 1 column -> sql string based on |
---|
568 | * the column type. We want to do 'safe' handling of BLOBs |
---|
569 | * |
---|
570 | * @param string the type of sql we are trying to create |
---|
571 | * 'I' or 'U'. |
---|
572 | * @param string column data type from the db::MetaType() method |
---|
573 | * @param string the column name |
---|
574 | * @param array the column value |
---|
575 | * |
---|
576 | * @return string |
---|
577 | * |
---|
578 | */ |
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579 | function _adodb_column_sql_oci8(&$zthis,$action, $type, $fname, $fnameq, $arrFields, $magicq) |
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580 | { |
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581 | $sql = ''; |
---|
582 | |
---|
583 | // Based on the datatype of the field |
---|
584 | // Format the value properly for the database |
---|
585 | switch($type) { |
---|
586 | case 'B': |
---|
587 | //in order to handle Blobs correctly, we need |
---|
588 | //to do some magic for Oracle |
---|
589 | |
---|
590 | //we need to create a new descriptor to handle |
---|
591 | //this properly |
---|
592 | if (!empty($zthis->hasReturningInto)) { |
---|
593 | if ($action == 'I') { |
---|
594 | $sql = 'empty_blob(), '; |
---|
595 | } else { |
---|
596 | $sql = $fnameq. '=empty_blob(), '; |
---|
597 | } |
---|
598 | //add the variable to the returning clause array |
---|
599 | //so the user can build this later in |
---|
600 | //case they want to add more to it |
---|
601 | $zthis->_returningArray[$fname] = ':xx'.$fname.'xx'; |
---|
602 | } else if (empty($arrFields[$fname])){ |
---|
603 | if ($action == 'I') { |
---|
604 | $sql = 'empty_blob(), '; |
---|
605 | } else { |
---|
606 | $sql = $fnameq. '=empty_blob(), '; |
---|
607 | } |
---|
608 | } else { |
---|
609 | //this is to maintain compatibility |
---|
610 | //with older adodb versions. |
---|
611 | $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); |
---|
612 | } |
---|
613 | break; |
---|
614 | |
---|
615 | case "X": |
---|
616 | //we need to do some more magic here for long variables |
---|
617 | //to handle these correctly in oracle. |
---|
618 | |
---|
619 | //create a safe bind var name |
---|
620 | //to avoid conflicts w/ dupes. |
---|
621 | if (!empty($zthis->hasReturningInto)) { |
---|
622 | if ($action == 'I') { |
---|
623 | $sql = ':xx'.$fname.'xx, '; |
---|
624 | } else { |
---|
625 | $sql = $fnameq.'=:xx'.$fname.'xx, '; |
---|
626 | } |
---|
627 | //add the variable to the returning clause array |
---|
628 | //so the user can build this later in |
---|
629 | //case they want to add more to it |
---|
630 | $zthis->_returningArray[$fname] = ':xx'.$fname.'xx'; |
---|
631 | } else { |
---|
632 | //this is to maintain compatibility |
---|
633 | //with older adodb versions. |
---|
634 | $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); |
---|
635 | } |
---|
636 | break; |
---|
637 | |
---|
638 | default: |
---|
639 | $sql = _adodb_column_sql($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq,false); |
---|
640 | break; |
---|
641 | } |
---|
642 | |
---|
643 | return $sql; |
---|
644 | } |
---|
645 | |
---|
646 | function _adodb_column_sql(&$zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq, $recurse=true) |
---|
647 | { |
---|
648 | |
---|
649 | if ($recurse) { |
---|
650 | switch($zthis->dataProvider) { |
---|
651 | case 'postgres': |
---|
652 | if ($type == 'L') $type = 'C'; |
---|
653 | break; |
---|
654 | case 'oci8': |
---|
655 | return _adodb_column_sql_oci8($zthis, $action, $type, $fname, $fnameq, $arrFields, $magicq); |
---|
656 | |
---|
657 | } |
---|
658 | } |
---|
659 | |
---|
660 | $sql = ''; |
---|
661 | |
---|
662 | switch($type) { |
---|
663 | case "C": |
---|
664 | case "X": |
---|
665 | case 'B': |
---|
666 | if ($action == 'I') { |
---|
667 | $sql = $zthis->qstr($arrFields[$fname],$magicq) . ", "; |
---|
668 | } else { |
---|
669 | $sql .= $fnameq . "=" . $zthis->qstr($arrFields[$fname],$magicq) . ", "; |
---|
670 | } |
---|
671 | break; |
---|
672 | |
---|
673 | case "D": |
---|
674 | if ($action == 'I') { |
---|
675 | $sql = $zthis->DBDate($arrFields[$fname]) . ", "; |
---|
676 | } else { |
---|
677 | $sql .= $fnameq . "=" . $zthis->DBDate($arrFields[$fname]) . ", "; |
---|
678 | } |
---|
679 | break; |
---|
680 | |
---|
681 | case "T": |
---|
682 | if ($action == 'I') { |
---|
683 | $sql = $zthis->DBTimeStamp($arrFields[$fname]) . ", "; |
---|
684 | } else { |
---|
685 | $sql .= $fnameq . "=" . $zthis->DBTimeStamp($arrFields[$fname]) . ", "; |
---|
686 | } |
---|
687 | break; |
---|
688 | |
---|
689 | default: |
---|
690 | $val = $arrFields[$fname]; |
---|
691 | if (empty($val)) $val = '0'; |
---|
692 | |
---|
693 | |
---|
694 | if ($action == 'I') { |
---|
695 | $sql .= $val . ", "; |
---|
696 | } else { |
---|
697 | $sql .= $fnameq . "=" . $val . ", "; |
---|
698 | } |
---|
699 | break; |
---|
700 | } |
---|
701 | |
---|
702 | return $sql; |
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703 | } |
---|
704 | |
---|
705 | |
---|
706 | |
---|
707 | function _adodb_debug_execute(&$zthis, $sql, $inputarr) |
---|
708 | { |
---|
709 | global $HTTP_SERVER_VARS; |
---|
710 | |
---|
711 | $ss = ''; |
---|
712 | if ($inputarr) { |
---|
713 | foreach($inputarr as $kk=>$vv) { |
---|
714 | if (is_string($vv) && strlen($vv)>64) $vv = substr($vv,0,64).'...'; |
---|
715 | $ss .= "($kk=>'$vv') "; |
---|
716 | } |
---|
717 | $ss = "[ $ss ]"; |
---|
718 | } |
---|
719 | $sqlTxt = str_replace(',',', ',is_array($sql) ? $sql[0] : $sql); |
---|
720 | |
---|
721 | // check if running from browser or command-line |
---|
722 | $inBrowser = isset($HTTP_SERVER_VARS['HTTP_USER_AGENT']); |
---|
723 | |
---|
724 | if ($inBrowser) { |
---|
725 | $ss = htmlspecialchars($ss); |
---|
726 | if ($zthis->debug === -1) |
---|
727 | ADOConnection::outp( "<br>\n($zthis->databaseType): ".htmlspecialchars($sqlTxt)." <code>$ss</code>\n<br>\n",false); |
---|
728 | else |
---|
729 | ADOConnection::outp( "<hr>\n($zthis->databaseType): ".htmlspecialchars($sqlTxt)." <code>$ss</code>\n<hr>\n",false); |
---|
730 | } else { |
---|
731 | ADOConnection::outp("-----\n($zthis->databaseType): ".$sqlTxt."\n-----\n",false); |
---|
732 | } |
---|
733 | |
---|
734 | $qID = $zthis->_query($sql,$inputarr); |
---|
735 | |
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736 | /* |
---|
737 | Alexios Fakios notes that ErrorMsg() must be called before ErrorNo() for mssql |
---|
738 | because ErrorNo() calls Execute('SELECT @ERROR'), causing recursion |
---|
739 | */ |
---|
740 | if ($zthis->databaseType == 'mssql') { |
---|
741 | // ErrorNo is a slow function call in mssql, and not reliable in PHP 4.0.6 |
---|
742 | if($emsg = $zthis->ErrorMsg()) { |
---|
743 | if ($err = $zthis->ErrorNo()) ADOConnection::outp($err.': '.$emsg); |
---|
744 | } |
---|
745 | } else if (!$qID) { |
---|
746 | ADOConnection::outp($zthis->ErrorNo() .': '. $zthis->ErrorMsg()); |
---|
747 | } |
---|
748 | |
---|
749 | return $qID; |
---|
750 | } |
---|
751 | |
---|
752 | |
---|
753 | function _adodb_backtrace($printOrArr=true,$levels=9999) |
---|
754 | { |
---|
755 | if (PHPVERSION() < 4.3) return ''; |
---|
756 | |
---|
757 | $html = (isset($_SERVER['HTTP_USER_AGENT'])); |
---|
758 | $fmt = ($html) ? "</font><font color=#808080 size=-1> %% line %4d, file: <a href=\"file:/%s\">%s</a></font>" : "%% line %4d, file: %s"; |
---|
759 | |
---|
760 | $MAXSTRLEN = 64; |
---|
761 | |
---|
762 | $s = ($html) ? '<pre align=left>' : ''; |
---|
763 | |
---|
764 | if (is_array($printOrArr)) $traceArr = $printOrArr; |
---|
765 | else $traceArr = debug_backtrace(); |
---|
766 | array_shift($traceArr); |
---|
767 | array_shift($traceArr); |
---|
768 | $tabs = sizeof($traceArr)-2; |
---|
769 | |
---|
770 | foreach ($traceArr as $arr) { |
---|
771 | $levels -= 1; |
---|
772 | if ($levels < 0) break; |
---|
773 | |
---|
774 | $args = array(); |
---|
775 | for ($i=0; $i < $tabs; $i++) $s .= ($html) ? ' ' : "\t"; |
---|
776 | $tabs -= 1; |
---|
777 | if ($html) $s .= '<font face="Courier New,Courier">'; |
---|
778 | if (isset($arr['class'])) $s .= $arr['class'].'.'; |
---|
779 | if (isset($arr['args'])) |
---|
780 | foreach($arr['args'] as $v) { |
---|
781 | if (is_null($v)) $args[] = 'null'; |
---|
782 | else if (is_array($v)) $args[] = 'Array['.sizeof($v).']'; |
---|
783 | else if (is_object($v)) $args[] = 'Object:'.get_class($v); |
---|
784 | else if (is_bool($v)) $args[] = $v ? 'true' : 'false'; |
---|
785 | else { |
---|
786 | $v = (string) @$v; |
---|
787 | $str = htmlspecialchars(substr($v,0,$MAXSTRLEN)); |
---|
788 | if (strlen($v) > $MAXSTRLEN) $str .= '...'; |
---|
789 | $args[] = $str; |
---|
790 | } |
---|
791 | } |
---|
792 | $s .= $arr['function'].'('.implode(', ',$args).')'; |
---|
793 | |
---|
794 | |
---|
795 | $s .= @sprintf($fmt, $arr['line'],$arr['file'],basename($arr['file'])); |
---|
796 | |
---|
797 | $s .= "\n"; |
---|
798 | } |
---|
799 | if ($html) $s .= '</pre>'; |
---|
800 | if ($printOrArr) print $s; |
---|
801 | |
---|
802 | return $s; |
---|
803 | } |
---|
804 | |
---|
805 | ?> |
---|