[2] | 1 | <?php |
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| 2 | /* |
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[34] | 3 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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[2] | 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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[34] | 27 | var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`"; |
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[2] | 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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[34] | 41 | var $compat323 = false; // true if compat with mysql 3.23 |
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[2] | 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, $ifNull) "; // if MySQL |
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| 58 | } |
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| 59 | |
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[34] | 60 | |
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[2] | 61 | function &MetaTables($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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[34] | 84 | $false = false; |
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[2] | 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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[34] | 101 | return $false; |
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[2] | 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 "'$s'"; |
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| 150 | } |
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| 151 | |
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| 152 | function _insertid() |
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| 153 | { |
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[34] | 154 | return ADOConnection::GetOne('SELECT LAST_INSERT_ID()'); |
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| 155 | //return mysql_insert_id($this->_connectionID); |
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[2] | 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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[34] | 160 | if ($this->compat323 == false && strncasecmp($sql,'sele',4) == 0) { |
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[2] | 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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[34] | 187 | var $_genSeqCountSQL = "select count(*) from %s"; |
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[2] | 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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[34] | 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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[2] | 218 | $rs = $this->Execute($getnext); |
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| 219 | } |
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| 220 | |
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[34] | 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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[2] | 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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[34] | 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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[2] | 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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[34] | 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)+$fraction)"; |
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[2] | 354 | } |
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| 355 | |
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| 356 | // returns true or false |
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| 357 | function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) |
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| 358 | { |
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[34] | 359 | if (!empty($this->port)) $argHostname .= ":".$this->port; |
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| 360 | |
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[2] | 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, $argDatabasename) |
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| 377 | { |
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[34] | 378 | if (!empty($this->port)) $argHostname .= ":".$this->port; |
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| 379 | |
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[2] | 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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[34] | 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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[2] | 403 | global $ADODB_FETCH_MODE; |
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[34] | 404 | $save = $ADODB_FETCH_MODE; |
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| 405 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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[2] | 406 | |
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[34] | 407 | if ($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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[2] | 420 | |
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[34] | 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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[2] | 426 | |
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[34] | 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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[2] | 452 | |
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[34] | 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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[2] | 458 | } else { |
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[34] | 459 | $fld->has_default = false; |
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[2] | 460 | } |
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[34] | 461 | } |
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| 462 | |
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| 463 | if ($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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[2] | 468 | $rs->MoveNext(); |
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| 469 | } |
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[34] | 470 | |
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[2] | 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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[34] | 478 | $this->database = $dbName; |
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| 479 | $this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions |
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[2] | 480 | if ($this->_connectionID) { |
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| 481 | return @mysql_select_db($dbName,$this->_connectionID); |
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| 482 | } |
---|
| 483 | else return false; |
---|
| 484 | } |
---|
| 485 | |
---|
| 486 | // parameters use PostgreSQL convention, not MySQL |
---|
| 487 | function &SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0) |
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| 488 | { |
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[34] | 489 | $offsetStr =($offset>=0) ? ((integer)$offset)."," : ''; |
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[2] | 490 | // jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220 |
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| 491 | if ($nrows < 0) $nrows = '18446744073709551615'; |
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| 492 | |
---|
| 493 | if ($secs) |
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[34] | 494 | $rs =& $this->CacheExecute($secs,$sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); |
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[2] | 495 | else |
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[34] | 496 | $rs =& $this->Execute($sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); |
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[2] | 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 | |
---|
| 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); |
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| 516 | return $this->_errorMsg; |
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| 517 | } |
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| 518 | |
---|
| 519 | /* Returns: the last error number from previous database operation */ |
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| 520 | function ErrorNo() |
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| 521 | { |
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| 522 | if ($this->_logsql) return $this->_errorCode; |
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| 523 | if (empty($this->_connectionID)) return @mysql_errno(); |
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| 524 | else return @mysql_errno($this->_connectionID); |
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| 525 | } |
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| 526 | |
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| 527 | // returns true or false |
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| 528 | function _close() |
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| 529 | { |
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| 530 | @mysql_close($this->_connectionID); |
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| 531 | $this->_connectionID = false; |
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| 532 | } |
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| 533 | |
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| 534 | |
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| 535 | /* |
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| 536 | * Maximum size of C field |
---|
| 537 | */ |
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| 538 | function CharMax() |
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| 539 | { |
---|
| 540 | return 255; |
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| 541 | } |
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| 542 | |
---|
| 543 | /* |
---|
| 544 | * Maximum size of X field |
---|
| 545 | */ |
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| 546 | function TextMax() |
---|
| 547 | { |
---|
| 548 | return 4294967295; |
---|
| 549 | } |
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| 550 | |
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[34] | 551 | // "Innox - Juan Carlos Gonzalez" <jgonzalez#innox.com.mx> |
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| 552 | function MetaForeignKeys( $table, $owner = FALSE, $upper = FALSE, $associative = FALSE ) |
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| 553 | { |
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| 554 | global $ADODB_FETCH_MODE; |
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| 555 | if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC || $this->fetchMode == ADODB_FETCH_ASSOC) $associative = true; |
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| 556 | |
---|
| 557 | if ( !empty($owner) ) { |
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| 558 | $table = "$owner.$table"; |
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| 559 | } |
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| 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]; |
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| 563 | |
---|
| 564 | $matches = array(); |
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| 565 | |
---|
| 566 | if (!preg_match_all("/FOREIGN KEY \(`(.*?)`\) REFERENCES `(.*?)` \(`(.*?)`\)/", $create_sql, $matches)) return false; |
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| 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 | |
---|
[2] | 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; |
---|
[34] | 615 | case ADODB_FETCH_DEFAULT: |
---|
| 616 | case ADODB_FETCH_BOTH: |
---|
[2] | 617 | default: |
---|
[34] | 618 | $this->fetchMode = MYSQL_BOTH; break; |
---|
[2] | 619 | } |
---|
[34] | 620 | $this->adodbFetchMode = $mode; |
---|
[2] | 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); |
---|
[34] | 637 | $o->max_length = @mysql_field_len($this->_queryID,$fieldOffset); // suggested by: Jim Nicholson (jnich#att.com) |
---|
[2] | 638 | //$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); |
---|
[34] | 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 |
---|
[2] | 645 | } |
---|
| 646 | |
---|
| 647 | return $o; |
---|
| 648 | } |
---|
| 649 | |
---|
| 650 | function &GetRowAssoc($upper=true) |
---|
| 651 | { |
---|
[34] | 652 | if ($this->fetchMode == MYSQL_ASSOC && !$upper) $row = $this->fields; |
---|
| 653 | else $row =& ADORecordSet::GetRowAssoc($upper); |
---|
[2] | 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($this); |
---|
[34] | 683 | if (@$this->fields = mysql_fetch_array($this->_queryID,$this->fetchMode)) { |
---|
[2] | 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; |
---|
[34] | 771 | case ADODB_FETCH_DEFAULT: |
---|
| 772 | case ADODB_FETCH_BOTH: |
---|
[2] | 773 | default: |
---|
[34] | 774 | $this->fetchMode = MYSQL_BOTH; break; |
---|
[2] | 775 | } |
---|
[34] | 776 | $this->adodbFetchMode = $mode; |
---|
| 777 | $this->ADORecordSet($queryID); |
---|
[2] | 778 | } |
---|
| 779 | |
---|
| 780 | function MoveNext() |
---|
| 781 | { |
---|
[34] | 782 | return @adodb_movenext($this); |
---|
[2] | 783 | } |
---|
| 784 | } |
---|
| 785 | |
---|
| 786 | |
---|
| 787 | } |
---|
| 788 | ?> |
---|