1 | <?php |
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2 | /* |
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3 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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4 | Released under both BSD license and Lesser GPL library license. |
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5 | Whenever there is any discrepancy between the two licenses, |
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6 | the BSD license will take precedence. |
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7 | Set tabs to 8. |
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8 | |
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9 | MySQL code that does not support transactions. Use mysqlt if you need transactions. |
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10 | Requires mysql client. Works on Windows and Unix. |
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11 | |
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12 | 28 Feb 2001: MetaColumns bug fix - suggested by Freek Dijkstra (phpeverywhere@macfreek.com) |
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13 | */ |
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14 | |
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15 | // security - hide paths |
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16 | if (!defined('ADODB_DIR')) die(); |
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17 | |
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18 | if (! defined("_ADODB_MYSQL_LAYER")) { |
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19 | define("_ADODB_MYSQL_LAYER", 1 ); |
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20 | |
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21 | class ADODB_mysql extends ADOConnection { |
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22 | var $databaseType = 'mysql'; |
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23 | var $dataProvider = 'mysql'; |
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24 | var $hasInsertID = true; |
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25 | var $hasAffectedRows = true; |
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26 | var $metaTablesSQL = "SHOW TABLES"; |
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27 | var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`"; |
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28 | var $fmtTimeStamp = "'Y-m-d H:i:s'"; |
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29 | var $hasLimit = true; |
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30 | var $hasMoveFirst = true; |
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31 | var $hasGenID = true; |
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32 | var $isoDates = true; // accepts dates in ISO format |
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33 | var $sysDate = 'CURDATE()'; |
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34 | var $sysTimeStamp = 'NOW()'; |
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35 | var $hasTransactions = false; |
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36 | var $forceNewConnect = false; |
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37 | var $poorAffectedRows = true; |
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38 | var $clientFlags = 0; |
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39 | var $substr = "substring"; |
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40 | var $nameQuote = '`'; /// string to use to quote identifiers and names |
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41 | var $compat323 = false; // true if compat with mysql 3.23 |
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42 | |
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43 | function ADODB_mysql() |
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44 | { |
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45 | if (defined('ADODB_EXTENSION')) $this->rsPrefix .= 'ext_'; |
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46 | } |
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47 | |
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48 | function ServerInfo() |
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49 | { |
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50 | $arr['description'] = ADOConnection::GetOne("select version()"); |
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51 | $arr['version'] = ADOConnection::_findvers($arr['description']); |
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52 | return $arr; |
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53 | } |
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54 | |
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55 | function IfNull( $field, $ifNull ) |
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56 | { |
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57 | return " IFNULL($field, $ifNull) "; // if MySQL |
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58 | } |
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59 | |
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60 | |
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61 | function &MetaTables($ttype=false,$showSchema=false,$mask=false) |
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62 | { |
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63 | $save = $this->metaTablesSQL; |
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64 | if ($showSchema && is_string($showSchema)) { |
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65 | $this->metaTablesSQL .= " from $showSchema"; |
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66 | } |
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67 | |
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68 | if ($mask) { |
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69 | $mask = $this->qstr($mask); |
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70 | $this->metaTablesSQL .= " like $mask"; |
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71 | } |
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72 | $ret =& ADOConnection::MetaTables($ttype,$showSchema); |
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73 | |
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74 | $this->metaTablesSQL = $save; |
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75 | return $ret; |
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76 | } |
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77 | |
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78 | |
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79 | function &MetaIndexes ($table, $primary = FALSE, $owner=false) |
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80 | { |
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81 | // save old fetch mode |
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82 | global $ADODB_FETCH_MODE; |
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83 | |
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84 | $false = false; |
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85 | $save = $ADODB_FETCH_MODE; |
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86 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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87 | if ($this->fetchMode !== FALSE) { |
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88 | $savem = $this->SetFetchMode(FALSE); |
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89 | } |
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90 | |
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91 | // get index details |
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92 | $rs = $this->Execute(sprintf('SHOW INDEX FROM %s',$table)); |
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93 | |
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94 | // restore fetchmode |
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95 | if (isset($savem)) { |
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96 | $this->SetFetchMode($savem); |
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97 | } |
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98 | $ADODB_FETCH_MODE = $save; |
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99 | |
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100 | if (!is_object($rs)) { |
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101 | return $false; |
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102 | } |
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103 | |
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104 | $indexes = array (); |
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105 | |
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106 | // parse index data into array |
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107 | while ($row = $rs->FetchRow()) { |
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108 | if ($primary == FALSE AND $row[2] == 'PRIMARY') { |
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109 | continue; |
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110 | } |
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111 | |
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112 | if (!isset($indexes[$row[2]])) { |
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113 | $indexes[$row[2]] = array( |
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114 | 'unique' => ($row[1] == 0), |
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115 | 'columns' => array() |
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116 | ); |
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117 | } |
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118 | |
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119 | $indexes[$row[2]]['columns'][$row[3] - 1] = $row[4]; |
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120 | } |
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121 | |
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122 | // sort columns by order in the index |
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123 | foreach ( array_keys ($indexes) as $index ) |
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124 | { |
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125 | ksort ($indexes[$index]['columns']); |
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126 | } |
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127 | |
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128 | return $indexes; |
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129 | } |
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130 | |
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131 | |
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132 | // if magic quotes disabled, use mysql_real_escape_string() |
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133 | function qstr($s,$magic_quotes=false) |
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134 | { |
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135 | if (!$magic_quotes) { |
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136 | |
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137 | if (ADODB_PHPVER >= 0x4300) { |
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138 | if (is_resource($this->_connectionID)) |
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139 | return "'".mysql_real_escape_string($s,$this->_connectionID)."'"; |
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140 | } |
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141 | if ($this->replaceQuote[0] == '\\'){ |
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142 | $s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s); |
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143 | } |
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144 | return "'".str_replace("'",$this->replaceQuote,$s)."'"; |
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145 | } |
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146 | |
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147 | // undo magic quotes for " |
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148 | $s = str_replace('\\"','"',$s); |
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149 | return "'$s'"; |
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150 | } |
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151 | |
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152 | function _insertid() |
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153 | { |
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154 | return ADOConnection::GetOne('SELECT LAST_INSERT_ID()'); |
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155 | //return mysql_insert_id($this->_connectionID); |
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156 | } |
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157 | |
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158 | function GetOne($sql,$inputarr=false) |
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159 | { |
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160 | if ($this->compat323 == false && strncasecmp($sql,'sele',4) == 0) { |
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161 | $rs =& $this->SelectLimit($sql,1,-1,$inputarr); |
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162 | if ($rs) { |
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163 | $rs->Close(); |
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164 | if ($rs->EOF) return false; |
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165 | return reset($rs->fields); |
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166 | } |
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167 | } else { |
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168 | return ADOConnection::GetOne($sql,$inputarr); |
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169 | } |
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170 | return false; |
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171 | } |
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172 | |
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173 | function BeginTrans() |
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174 | { |
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175 | if ($this->debug) ADOConnection::outp("Transactions not supported in 'mysql' driver. Use 'mysqlt' or 'mysqli' driver"); |
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176 | } |
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177 | |
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178 | function _affectedrows() |
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179 | { |
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180 | return mysql_affected_rows($this->_connectionID); |
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181 | } |
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182 | |
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183 | // See http://www.mysql.com/doc/M/i/Miscellaneous_functions.html |
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184 | // Reference on Last_Insert_ID on the recommended way to simulate sequences |
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185 | var $_genIDSQL = "update %s set id=LAST_INSERT_ID(id+1);"; |
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186 | var $_genSeqSQL = "create table %s (id int not null)"; |
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187 | var $_genSeqCountSQL = "select count(*) from %s"; |
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188 | var $_genSeq2SQL = "insert into %s values (%s)"; |
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189 | var $_dropSeqSQL = "drop table %s"; |
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190 | |
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191 | function CreateSequence($seqname='adodbseq',$startID=1) |
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192 | { |
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193 | if (empty($this->_genSeqSQL)) return false; |
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194 | $u = strtoupper($seqname); |
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195 | |
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196 | $ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname)); |
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197 | if (!$ok) return false; |
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198 | return $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); |
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199 | } |
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200 | |
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201 | |
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202 | function GenID($seqname='adodbseq',$startID=1) |
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203 | { |
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204 | // post-nuke sets hasGenID to false |
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205 | if (!$this->hasGenID) return false; |
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206 | |
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207 | $savelog = $this->_logsql; |
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208 | $this->_logsql = false; |
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209 | $getnext = sprintf($this->_genIDSQL,$seqname); |
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210 | $holdtransOK = $this->_transOK; // save the current status |
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211 | $rs = @$this->Execute($getnext); |
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212 | if (!$rs) { |
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213 | if ($holdtransOK) $this->_transOK = true; //if the status was ok before reset |
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214 | $u = strtoupper($seqname); |
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215 | $this->Execute(sprintf($this->_genSeqSQL,$seqname)); |
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216 | $cnt = $this->GetOne(sprintf($this->_genSeqCountSQL,$seqname)); |
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217 | if (!$cnt) $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); |
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218 | $rs = $this->Execute($getnext); |
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219 | } |
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220 | |
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221 | if ($rs) { |
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222 | $this->genID = mysql_insert_id($this->_connectionID); |
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223 | $rs->Close(); |
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224 | } else |
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225 | $this->genID = 0; |
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226 | |
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227 | $this->_logsql = $savelog; |
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228 | return $this->genID; |
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229 | } |
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230 | |
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231 | function &MetaDatabases() |
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232 | { |
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233 | $qid = mysql_list_dbs($this->_connectionID); |
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234 | $arr = array(); |
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235 | $i = 0; |
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236 | $max = mysql_num_rows($qid); |
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237 | while ($i < $max) { |
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238 | $db = mysql_tablename($qid,$i); |
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239 | if ($db != 'mysql') $arr[] = $db; |
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240 | $i += 1; |
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241 | } |
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242 | return $arr; |
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243 | } |
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244 | |
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245 | |
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246 | // Format date column in sql string given an input format that understands Y M D |
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247 | function SQLDate($fmt, $col=false) |
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248 | { |
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249 | if (!$col) $col = $this->sysTimeStamp; |
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250 | $s = 'DATE_FORMAT('.$col.",'"; |
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251 | $concat = false; |
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252 | $len = strlen($fmt); |
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253 | for ($i=0; $i < $len; $i++) { |
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254 | $ch = $fmt[$i]; |
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255 | switch($ch) { |
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256 | |
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257 | default: |
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258 | if ($ch == '\\') { |
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259 | $i++; |
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260 | $ch = substr($fmt,$i,1); |
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261 | } |
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262 | /** FALL THROUGH */ |
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263 | case '-': |
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264 | case '/': |
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265 | $s .= $ch; |
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266 | break; |
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267 | |
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268 | case 'Y': |
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269 | case 'y': |
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270 | $s .= '%Y'; |
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271 | break; |
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272 | case 'M': |
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273 | $s .= '%b'; |
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274 | break; |
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275 | |
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276 | case 'm': |
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277 | $s .= '%m'; |
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278 | break; |
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279 | case 'D': |
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280 | case 'd': |
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281 | $s .= '%d'; |
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282 | break; |
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283 | |
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284 | case 'Q': |
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285 | case 'q': |
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286 | $s .= "'),Quarter($col)"; |
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287 | |
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288 | if ($len > $i+1) $s .= ",DATE_FORMAT($col,'"; |
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289 | else $s .= ",('"; |
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290 | $concat = true; |
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291 | break; |
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292 | |
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293 | case 'H': |
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294 | $s .= '%H'; |
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295 | break; |
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296 | |
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297 | case 'h': |
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298 | $s .= '%I'; |
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299 | break; |
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300 | |
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301 | case 'i': |
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302 | $s .= '%i'; |
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303 | break; |
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304 | |
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305 | case 's': |
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306 | $s .= '%s'; |
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307 | break; |
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308 | |
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309 | case 'a': |
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310 | case 'A': |
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311 | $s .= '%p'; |
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312 | break; |
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313 | |
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314 | case 'w': |
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315 | $s .= '%w'; |
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316 | break; |
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317 | |
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318 | case 'W': |
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319 | $s .= '%U'; |
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320 | break; |
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321 | |
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322 | case 'l': |
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323 | $s .= '%W'; |
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324 | break; |
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325 | } |
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326 | } |
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327 | $s.="')"; |
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328 | if ($concat) $s = "CONCAT($s)"; |
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329 | return $s; |
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330 | } |
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331 | |
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332 | |
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333 | // returns concatenated string |
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334 | // much easier to run "mysqld --ansi" or "mysqld --sql-mode=PIPES_AS_CONCAT" and use || operator |
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335 | function Concat() |
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336 | { |
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337 | $s = ""; |
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338 | $arr = func_get_args(); |
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339 | |
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340 | // suggestion by andrew005@mnogo.ru |
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341 | $s = implode(',',$arr); |
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342 | if (strlen($s) > 0) return "CONCAT($s)"; |
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343 | else return ''; |
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344 | } |
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345 | |
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346 | function OffsetDate($dayFraction,$date=false) |
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347 | { |
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348 | if (!$date) $date = $this->sysDate; |
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349 | |
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350 | $fraction = $dayFraction * 24 * 3600; |
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351 | return $date . ' + INTERVAL ' . $fraction.' SECOND'; |
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352 | |
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353 | // return "from_unixtime(unix_timestamp($date)+$fraction)"; |
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354 | } |
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355 | |
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356 | // returns true or false |
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357 | function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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358 | { |
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359 | if (!empty($this->port)) $argHostname .= ":".$this->port; |
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360 | |
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361 | if (ADODB_PHPVER >= 0x4300) |
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362 | $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, |
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363 | $this->forceNewConnect,$this->clientFlags); |
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364 | else if (ADODB_PHPVER >= 0x4200) |
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365 | $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, |
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366 | $this->forceNewConnect); |
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367 | else |
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368 | $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword); |
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369 | |
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370 | if ($this->_connectionID === false) return false; |
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371 | if ($argDatabasename) return $this->SelectDB($argDatabasename); |
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372 | return true; |
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373 | } |
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374 | |
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375 | // returns true or false |
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376 | function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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377 | { |
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378 | if (!empty($this->port)) $argHostname .= ":".$this->port; |
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379 | |
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380 | if (ADODB_PHPVER >= 0x4300) |
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381 | $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword,$this->clientFlags); |
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382 | else |
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383 | $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword); |
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384 | if ($this->_connectionID === false) return false; |
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385 | if ($this->autoRollback) $this->RollbackTrans(); |
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386 | if ($argDatabasename) return $this->SelectDB($argDatabasename); |
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387 | return true; |
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388 | } |
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389 | |
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390 | function _nconnect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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391 | { |
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392 | $this->forceNewConnect = true; |
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393 | return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename); |
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394 | } |
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395 | |
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396 | function &MetaColumns($table) |
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397 | { |
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398 | $this->_findschema($table,$schema); |
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399 | if ($schema) { |
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400 | $dbName = $this->database; |
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401 | $this->SelectDB($schema); |
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402 | } |
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403 | global $ADODB_FETCH_MODE; |
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404 | $save = $ADODB_FETCH_MODE; |
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405 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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406 | |
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407 | if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false); |
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408 | $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table)); |
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409 | |
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410 | if ($schema) { |
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411 | $this->SelectDB($dbName); |
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412 | } |
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413 | |
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414 | if (isset($savem)) $this->SetFetchMode($savem); |
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415 | $ADODB_FETCH_MODE = $save; |
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416 | if (!is_object($rs)) { |
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417 | $false = false; |
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418 | return $false; |
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419 | } |
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420 | |
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421 | $retarr = array(); |
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422 | while (!$rs->EOF){ |
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423 | $fld = new ADOFieldObject(); |
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424 | $fld->name = $rs->fields[0]; |
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425 | $type = $rs->fields[1]; |
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426 | |
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427 | // split type into type(length): |
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428 | $fld->scale = null; |
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429 | if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) { |
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430 | $fld->type = $query_array[1]; |
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431 | $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1; |
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432 | $fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1; |
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433 | } elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) { |
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434 | $fld->type = $query_array[1]; |
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435 | $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1; |
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436 | } elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) { |
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437 | $fld->type = $query_array[1]; |
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438 | $arr = explode(",",$query_array[2]); |
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439 | $fld->enums = $arr; |
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440 | $zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6 |
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441 | $fld->max_length = ($zlen > 0) ? $zlen : 1; |
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442 | } else { |
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443 | $fld->type = $type; |
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444 | $fld->max_length = -1; |
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445 | } |
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446 | $fld->not_null = ($rs->fields[2] != 'YES'); |
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447 | $fld->primary_key = ($rs->fields[3] == 'PRI'); |
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448 | $fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false); |
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449 | $fld->binary = (strpos($type,'blob') !== false); |
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450 | $fld->unsigned = (strpos($type,'unsigned') !== false); |
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451 | $fld->zerofill = (strpos($type,'zerofill') !== false); |
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452 | |
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453 | if (!$fld->binary) { |
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454 | $d = $rs->fields[4]; |
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455 | if ($d != '' && $d != 'NULL') { |
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456 | $fld->has_default = true; |
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457 | $fld->default_value = $d; |
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458 | } else { |
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459 | $fld->has_default = false; |
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460 | } |
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461 | } |
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462 | |
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463 | if ($save == ADODB_FETCH_NUM) { |
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464 | $retarr[] = $fld; |
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465 | } else { |
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466 | $retarr[strtoupper($fld->name)] = $fld; |
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467 | } |
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468 | $rs->MoveNext(); |
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469 | } |
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470 | |
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471 | $rs->Close(); |
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472 | return $retarr; |
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473 | } |
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474 | |
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475 | // returns true or false |
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476 | function SelectDB($dbName) |
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477 | { |
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478 | $this->database = $dbName; |
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479 | $this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions |
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480 | if ($this->_connectionID) { |
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481 | return @mysql_select_db($dbName,$this->_connectionID); |
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482 | } |
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483 | else return false; |
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484 | } |
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485 | |
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486 | // parameters use PostgreSQL convention, not MySQL |
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487 | function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0) |
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488 | { |
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489 | $offsetStr =($offset>=0) ? ((integer)$offset)."," : ''; |
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490 | // jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220 |
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491 | if ($nrows < 0) $nrows = '18446744073709551615'; |
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492 | |
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493 | if ($secs) |
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494 | $rs =& $this->CacheExecute($secs,$sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); |
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495 | else |
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496 | $rs =& $this->Execute($sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); |
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497 | return $rs; |
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498 | } |
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499 | |
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500 | // returns queryID or false |
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501 | function _query($sql,$inputarr) |
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502 | { |
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503 | //global $ADODB_COUNTRECS; |
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504 | //if($ADODB_COUNTRECS) |
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505 | return mysql_query($sql,$this->_connectionID); |
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506 | //else return @mysql_unbuffered_query($sql,$this->_connectionID); // requires PHP >= 4.0.6 |
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507 | } |
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508 | |
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509 | /* Returns: the last error message from previous database operation */ |
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510 | function ErrorMsg() |
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511 | { |
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512 | |
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513 | if ($this->_logsql) return $this->_errorMsg; |
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514 | if (empty($this->_connectionID)) $this->_errorMsg = @mysql_error(); |
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515 | else $this->_errorMsg = @mysql_error($this->_connectionID); |
---|
516 | return $this->_errorMsg; |
---|
517 | } |
---|
518 | |
---|
519 | /* Returns: the last error number from previous database operation */ |
---|
520 | function ErrorNo() |
---|
521 | { |
---|
522 | if ($this->_logsql) return $this->_errorCode; |
---|
523 | if (empty($this->_connectionID)) return @mysql_errno(); |
---|
524 | else return @mysql_errno($this->_connectionID); |
---|
525 | } |
---|
526 | |
---|
527 | // returns true or false |
---|
528 | function _close() |
---|
529 | { |
---|
530 | @mysql_close($this->_connectionID); |
---|
531 | $this->_connectionID = false; |
---|
532 | } |
---|
533 | |
---|
534 | |
---|
535 | /* |
---|
536 | * Maximum size of C field |
---|
537 | */ |
---|
538 | function CharMax() |
---|
539 | { |
---|
540 | return 255; |
---|
541 | } |
---|
542 | |
---|
543 | /* |
---|
544 | * Maximum size of X field |
---|
545 | */ |
---|
546 | function TextMax() |
---|
547 | { |
---|
548 | return 4294967295; |
---|
549 | } |
---|
550 | |
---|
551 | // "Innox - Juan Carlos Gonzalez" <jgonzalez#innox.com.mx> |
---|
552 | function MetaForeignKeys( $table, $owner = FALSE, $upper = FALSE, $associative = FALSE ) |
---|
553 | { |
---|
554 | global $ADODB_FETCH_MODE; |
---|
555 | if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC || $this->fetchMode == ADODB_FETCH_ASSOC) $associative = true; |
---|
556 | |
---|
557 | if ( !empty($owner) ) { |
---|
558 | $table = "$owner.$table"; |
---|
559 | } |
---|
560 | $a_create_table = $this->getRow(sprintf('SHOW CREATE TABLE %s', $table)); |
---|
561 | if ($associative) $create_sql = $a_create_table["Create Table"]; |
---|
562 | else $create_sql = $a_create_table[1]; |
---|
563 | |
---|
564 | $matches = array(); |
---|
565 | |
---|
566 | if (!preg_match_all("/FOREIGN KEY \(`(.*?)`\) REFERENCES `(.*?)` \(`(.*?)`\)/", $create_sql, $matches)) return false; |
---|
567 | $foreign_keys = array(); |
---|
568 | $num_keys = count($matches[0]); |
---|
569 | for ( $i = 0; $i < $num_keys; $i ++ ) { |
---|
570 | $my_field = explode('`, `', $matches[1][$i]); |
---|
571 | $ref_table = $matches[2][$i]; |
---|
572 | $ref_field = explode('`, `', $matches[3][$i]); |
---|
573 | |
---|
574 | if ( $upper ) { |
---|
575 | $ref_table = strtoupper($ref_table); |
---|
576 | } |
---|
577 | |
---|
578 | $foreign_keys[$ref_table] = array(); |
---|
579 | $num_fields = count($my_field); |
---|
580 | for ( $j = 0; $j < $num_fields; $j ++ ) { |
---|
581 | if ( $associative ) { |
---|
582 | $foreign_keys[$ref_table][$ref_field[$j]] = $my_field[$j]; |
---|
583 | } else { |
---|
584 | $foreign_keys[$ref_table][] = "{$my_field[$j]}={$ref_field[$j]}"; |
---|
585 | } |
---|
586 | } |
---|
587 | } |
---|
588 | |
---|
589 | return $foreign_keys; |
---|
590 | } |
---|
591 | |
---|
592 | |
---|
593 | } |
---|
594 | |
---|
595 | /*-------------------------------------------------------------------------------------- |
---|
596 | Class Name: Recordset |
---|
597 | --------------------------------------------------------------------------------------*/ |
---|
598 | |
---|
599 | |
---|
600 | class ADORecordSet_mysql extends ADORecordSet{ |
---|
601 | |
---|
602 | var $databaseType = "mysql"; |
---|
603 | var $canSeek = true; |
---|
604 | |
---|
605 | function ADORecordSet_mysql($queryID,$mode=false) |
---|
606 | { |
---|
607 | if ($mode === false) { |
---|
608 | global $ADODB_FETCH_MODE; |
---|
609 | $mode = $ADODB_FETCH_MODE; |
---|
610 | } |
---|
611 | switch ($mode) |
---|
612 | { |
---|
613 | case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; |
---|
614 | case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; |
---|
615 | case ADODB_FETCH_DEFAULT: |
---|
616 | case ADODB_FETCH_BOTH: |
---|
617 | default: |
---|
618 | $this->fetchMode = MYSQL_BOTH; break; |
---|
619 | } |
---|
620 | $this->adodbFetchMode = $mode; |
---|
621 | $this->ADORecordSet($queryID); |
---|
622 | } |
---|
623 | |
---|
624 | function _initrs() |
---|
625 | { |
---|
626 | //GLOBAL $ADODB_COUNTRECS; |
---|
627 | // $this->_numOfRows = ($ADODB_COUNTRECS) ? @mysql_num_rows($this->_queryID):-1; |
---|
628 | $this->_numOfRows = @mysql_num_rows($this->_queryID); |
---|
629 | $this->_numOfFields = @mysql_num_fields($this->_queryID); |
---|
630 | } |
---|
631 | |
---|
632 | function &FetchField($fieldOffset = -1) |
---|
633 | { |
---|
634 | if ($fieldOffset != -1) { |
---|
635 | $o = @mysql_fetch_field($this->_queryID, $fieldOffset); |
---|
636 | $f = @mysql_field_flags($this->_queryID,$fieldOffset); |
---|
637 | $o->max_length = @mysql_field_len($this->_queryID,$fieldOffset); // suggested by: Jim Nicholson (jnich#att.com) |
---|
638 | //$o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable |
---|
639 | $o->binary = (strpos($f,'binary')!== false); |
---|
640 | } |
---|
641 | else if ($fieldOffset == -1) { /* The $fieldOffset argument is not provided thus its -1 */ |
---|
642 | $o = @mysql_fetch_field($this->_queryID); |
---|
643 | $o->max_length = @mysql_field_len($this->_queryID); // suggested by: Jim Nicholson (jnich#att.com) |
---|
644 | //$o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable |
---|
645 | } |
---|
646 | |
---|
647 | return $o; |
---|
648 | } |
---|
649 | |
---|
650 | function &GetRowAssoc($upper=true) |
---|
651 | { |
---|
652 | if ($this->fetchMode == MYSQL_ASSOC && !$upper) $row = $this->fields; |
---|
653 | else $row =& ADORecordSet::GetRowAssoc($upper); |
---|
654 | return $row; |
---|
655 | } |
---|
656 | |
---|
657 | /* Use associative array to get fields array */ |
---|
658 | function Fields($colname) |
---|
659 | { |
---|
660 | // added @ by "Michael William Miller" <mille562@pilot.msu.edu> |
---|
661 | if ($this->fetchMode != MYSQL_NUM) return @$this->fields[$colname]; |
---|
662 | |
---|
663 | if (!$this->bind) { |
---|
664 | $this->bind = array(); |
---|
665 | for ($i=0; $i < $this->_numOfFields; $i++) { |
---|
666 | $o = $this->FetchField($i); |
---|
667 | $this->bind[strtoupper($o->name)] = $i; |
---|
668 | } |
---|
669 | } |
---|
670 | return $this->fields[$this->bind[strtoupper($colname)]]; |
---|
671 | } |
---|
672 | |
---|
673 | function _seek($row) |
---|
674 | { |
---|
675 | if ($this->_numOfRows == 0) return false; |
---|
676 | return @mysql_data_seek($this->_queryID,$row); |
---|
677 | } |
---|
678 | |
---|
679 | function MoveNext() |
---|
680 | { |
---|
681 | //return adodb_movenext($this); |
---|
682 | //if (defined('ADODB_EXTENSION')) return adodb_movenext($this); |
---|
683 | if (@$this->fields = mysql_fetch_array($this->_queryID,$this->fetchMode)) { |
---|
684 | $this->_currentRow += 1; |
---|
685 | return true; |
---|
686 | } |
---|
687 | if (!$this->EOF) { |
---|
688 | $this->_currentRow += 1; |
---|
689 | $this->EOF = true; |
---|
690 | } |
---|
691 | return false; |
---|
692 | } |
---|
693 | |
---|
694 | function _fetch() |
---|
695 | { |
---|
696 | $this->fields = @mysql_fetch_array($this->_queryID,$this->fetchMode); |
---|
697 | return is_array($this->fields); |
---|
698 | } |
---|
699 | |
---|
700 | function _close() { |
---|
701 | @mysql_free_result($this->_queryID); |
---|
702 | $this->_queryID = false; |
---|
703 | } |
---|
704 | |
---|
705 | function MetaType($t,$len=-1,$fieldobj=false) |
---|
706 | { |
---|
707 | if (is_object($t)) { |
---|
708 | $fieldobj = $t; |
---|
709 | $t = $fieldobj->type; |
---|
710 | $len = $fieldobj->max_length; |
---|
711 | } |
---|
712 | |
---|
713 | $len = -1; // mysql max_length is not accurate |
---|
714 | switch (strtoupper($t)) { |
---|
715 | case 'STRING': |
---|
716 | case 'CHAR': |
---|
717 | case 'VARCHAR': |
---|
718 | case 'TINYBLOB': |
---|
719 | case 'TINYTEXT': |
---|
720 | case 'ENUM': |
---|
721 | case 'SET': |
---|
722 | if ($len <= $this->blobSize) return 'C'; |
---|
723 | |
---|
724 | case 'TEXT': |
---|
725 | case 'LONGTEXT': |
---|
726 | case 'MEDIUMTEXT': |
---|
727 | return 'X'; |
---|
728 | |
---|
729 | // php_mysql extension always returns 'blob' even if 'text' |
---|
730 | // so we have to check whether binary... |
---|
731 | case 'IMAGE': |
---|
732 | case 'LONGBLOB': |
---|
733 | case 'BLOB': |
---|
734 | case 'MEDIUMBLOB': |
---|
735 | return !empty($fieldobj->binary) ? 'B' : 'X'; |
---|
736 | |
---|
737 | case 'YEAR': |
---|
738 | case 'DATE': return 'D'; |
---|
739 | |
---|
740 | case 'TIME': |
---|
741 | case 'DATETIME': |
---|
742 | case 'TIMESTAMP': return 'T'; |
---|
743 | |
---|
744 | case 'INT': |
---|
745 | case 'INTEGER': |
---|
746 | case 'BIGINT': |
---|
747 | case 'TINYINT': |
---|
748 | case 'MEDIUMINT': |
---|
749 | case 'SMALLINT': |
---|
750 | |
---|
751 | if (!empty($fieldobj->primary_key)) return 'R'; |
---|
752 | else return 'I'; |
---|
753 | |
---|
754 | default: return 'N'; |
---|
755 | } |
---|
756 | } |
---|
757 | |
---|
758 | } |
---|
759 | |
---|
760 | class ADORecordSet_ext_mysql extends ADORecordSet_mysql { |
---|
761 | function ADORecordSet_ext_mysql($queryID,$mode=false) |
---|
762 | { |
---|
763 | if ($mode === false) { |
---|
764 | global $ADODB_FETCH_MODE; |
---|
765 | $mode = $ADODB_FETCH_MODE; |
---|
766 | } |
---|
767 | switch ($mode) |
---|
768 | { |
---|
769 | case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; |
---|
770 | case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; |
---|
771 | case ADODB_FETCH_DEFAULT: |
---|
772 | case ADODB_FETCH_BOTH: |
---|
773 | default: |
---|
774 | $this->fetchMode = MYSQL_BOTH; break; |
---|
775 | } |
---|
776 | $this->adodbFetchMode = $mode; |
---|
777 | $this->ADORecordSet($queryID); |
---|
778 | } |
---|
779 | |
---|
780 | function MoveNext() |
---|
781 | { |
---|
782 | return @adodb_movenext($this); |
---|
783 | } |
---|
784 | } |
---|
785 | |
---|
786 | |
---|
787 | } |
---|
788 | ?> |
---|