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File: adodb/drivers/adodb-mysql.inc.php

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File: adodb/drivers/adodb-mysql.inc.php
Role: Auxiliary script
Content type: text/plain
Description: Auxiliary script
Class: PHP MySQL JSON Manager
Build and Execute SQL queries with results in JSON
Author: By
Last change:
Date: 9 years ago
Size: 23,349 bytes
 

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<?php /* V5.18 3 Sep 2012 (c) 2000-2012 John Lim (jlim#natsoft.com). All rights reserved. Released under both BSD license and Lesser GPL library license. Whenever there is any discrepancy between the two licenses, the BSD license will take precedence. Set tabs to 8. MySQL code that does not support transactions. Use mysqlt if you need transactions. Requires mysql client. Works on Windows and Unix. 28 Feb 2001: MetaColumns bug fix - suggested by Freek Dijkstra (phpeverywhere@macfreek.com) */ // security - hide paths if (!defined('ADODB_DIR')) die(); if (! defined("_ADODB_MYSQL_LAYER")) { define("_ADODB_MYSQL_LAYER", 1 ); class ADODB_mysql extends ADOConnection { var $databaseType = 'mysql'; var $dataProvider = 'mysql'; var $hasInsertID = true; var $hasAffectedRows = true; var $metaTablesSQL = "SELECT TABLE_NAME, CASE WHEN TABLE_TYPE = 'VIEW' THEN 'V' ELSE 'T' END FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA=SCHEMA()"; var $metaColumnsSQL = "SHOW COLUMNS FROM `%s`"; var $fmtTimeStamp = "'Y-m-d H:i:s'"; var $hasLimit = true; var $hasMoveFirst = true; var $hasGenID = true; var $isoDates = true; // accepts dates in ISO format var $sysDate = 'CURDATE()'; var $sysTimeStamp = 'NOW()'; var $hasTransactions = false; var $forceNewConnect = false; var $poorAffectedRows = true; var $clientFlags = 0; var $charSet = ''; var $substr = "substring"; var $nameQuote = '`'; /// string to use to quote identifiers and names var $compat323 = false; // true if compat with mysql 3.23 function ADODB_mysql() { if (defined('ADODB_EXTENSION')) $this->rsPrefix .= 'ext_'; } // SetCharSet - switch the client encoding function SetCharSet($charset_name) { if (!function_exists('mysql_set_charset')) return false; if ($this->charSet !== $charset_name) { $ok = @mysql_set_charset($charset_name,$this->_connectionID); if ($ok) { $this->charSet = $charset_name; return true; } return false; } return true; } function ServerInfo() { $arr['description'] = ADOConnection::GetOne("select version()"); $arr['version'] = ADOConnection::_findvers($arr['description']); return $arr; } function IfNull( $field, $ifNull ) { return " IFNULL($field, $ifNull) "; // if MySQL } function MetaProcedures($NamePattern = false, $catalog = null, $schemaPattern = null) { // save old fetch mode global $ADODB_FETCH_MODE; $false = false; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->fetchMode !== FALSE) { $savem = $this->SetFetchMode(FALSE); } $procedures = array (); // get index details $likepattern = ''; if ($NamePattern) { $likepattern = " LIKE '".$NamePattern."'"; } $rs = $this->Execute('SHOW PROCEDURE STATUS'.$likepattern); if (is_object($rs)) { // parse index data into array while ($row = $rs->FetchRow()) { $procedures[$row[1]] = array( 'type' => 'PROCEDURE', 'catalog' => '', 'schema' => '', 'remarks' => $row[7], ); } } $rs = $this->Execute('SHOW FUNCTION STATUS'.$likepattern); if (is_object($rs)) { // parse index data into array while ($row = $rs->FetchRow()) { $procedures[$row[1]] = array( 'type' => 'FUNCTION', 'catalog' => '', 'schema' => '', 'remarks' => $row[7] ); } } // restore fetchmode if (isset($savem)) { $this->SetFetchMode($savem); } $ADODB_FETCH_MODE = $save; return $procedures; } function MetaTables($ttype=false,$showSchema=false,$mask=false) { $save = $this->metaTablesSQL; if ($showSchema && is_string($showSchema)) { $this->metaTablesSQL .= " from $showSchema"; } if ($mask) { $mask = $this->qstr($mask); $this->metaTablesSQL .= " like $mask"; } $ret = ADOConnection::MetaTables($ttype,$showSchema); $this->metaTablesSQL = $save; return $ret; } function MetaIndexes ($table, $primary = FALSE, $owner=false) { // save old fetch mode global $ADODB_FETCH_MODE; $false = false; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->fetchMode !== FALSE) { $savem = $this->SetFetchMode(FALSE); } // get index details $rs = $this->Execute(sprintf('SHOW INDEX FROM %s',$table)); // restore fetchmode if (isset($savem)) { $this->SetFetchMode($savem); } $ADODB_FETCH_MODE = $save; if (!is_object($rs)) { return $false; } $indexes = array (); // parse index data into array while ($row = $rs->FetchRow()) { if ($primary == FALSE AND $row[2] == 'PRIMARY') { continue; } if (!isset($indexes[$row[2]])) { $indexes[$row[2]] = array( 'unique' => ($row[1] == 0), 'columns' => array() ); } $indexes[$row[2]]['columns'][$row[3] - 1] = $row[4]; } // sort columns by order in the index foreach ( array_keys ($indexes) as $index ) { ksort ($indexes[$index]['columns']); } return $indexes; } // if magic quotes disabled, use mysql_real_escape_string() function qstr($s,$magic_quotes=false) { if (is_null($s)) return 'NULL'; if (!$magic_quotes) { if (ADODB_PHPVER >= 0x4300) { if (is_resource($this->_connectionID)) return "'".mysql_real_escape_string($s,$this->_connectionID)."'"; } if ($this->replaceQuote[0] == '\\'){ $s = adodb_str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s); } return "'".str_replace("'",$this->replaceQuote,$s)."'"; } // undo magic quotes for " $s = str_replace('\\"','"',$s); return "'$s'"; } function _insertid() { return ADOConnection::GetOne('SELECT LAST_INSERT_ID()'); //return mysql_insert_id($this->_connectionID); } function GetOne($sql,$inputarr=false) { global $ADODB_GETONE_EOF; if ($this->compat323 == false && strncasecmp($sql,'sele',4) == 0) { $rs = $this->SelectLimit($sql,1,-1,$inputarr); if ($rs) { $rs->Close(); if ($rs->EOF) return $ADODB_GETONE_EOF; return reset($rs->fields); } } else { return ADOConnection::GetOne($sql,$inputarr); } return false; } function BeginTrans() { if ($this->debug) ADOConnection::outp("Transactions not supported in 'mysql' driver. Use 'mysqlt' or 'mysqli' driver"); } function _affectedrows() { return mysql_affected_rows($this->_connectionID); } // See http://www.mysql.com/doc/M/i/Miscellaneous_functions.html // Reference on Last_Insert_ID on the recommended way to simulate sequences var $_genIDSQL = "update %s set id=LAST_INSERT_ID(id+1);"; var $_genSeqSQL = "create table %s (id int not null)"; var $_genSeqCountSQL = "select count(*) from %s"; var $_genSeq2SQL = "insert into %s values (%s)"; var $_dropSeqSQL = "drop table %s"; function CreateSequence($seqname='adodbseq',$startID=1) { if (empty($this->_genSeqSQL)) return false; $u = strtoupper($seqname); $ok = $this->Execute(sprintf($this->_genSeqSQL,$seqname)); if (!$ok) return false; return $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); } function GenID($seqname='adodbseq',$startID=1) { // post-nuke sets hasGenID to false if (!$this->hasGenID) return false; $savelog = $this->_logsql; $this->_logsql = false; $getnext = sprintf($this->_genIDSQL,$seqname); $holdtransOK = $this->_transOK; // save the current status $rs = @$this->Execute($getnext); if (!$rs) { if ($holdtransOK) $this->_transOK = true; //if the status was ok before reset $u = strtoupper($seqname); $this->Execute(sprintf($this->_genSeqSQL,$seqname)); $cnt = $this->GetOne(sprintf($this->_genSeqCountSQL,$seqname)); if (!$cnt) $this->Execute(sprintf($this->_genSeq2SQL,$seqname,$startID-1)); $rs = $this->Execute($getnext); } if ($rs) { $this->genID = mysql_insert_id($this->_connectionID); $rs->Close(); } else $this->genID = 0; $this->_logsql = $savelog; return $this->genID; } function MetaDatabases() { $qid = mysql_list_dbs($this->_connectionID); $arr = array(); $i = 0; $max = mysql_num_rows($qid); while ($i < $max) { $db = mysql_tablename($qid,$i); if ($db != 'mysql') $arr[] = $db; $i += 1; } return $arr; } // Format date column in sql string given an input format that understands Y M D function SQLDate($fmt, $col=false) { if (!$col) $col = $this->sysTimeStamp; $s = 'DATE_FORMAT('.$col.",'"; $concat = false; $len = strlen($fmt); for ($i=0; $i < $len; $i++) { $ch = $fmt[$i]; switch($ch) { default: if ($ch == '\\') { $i++; $ch = substr($fmt,$i,1); } /** FALL THROUGH */ case '-': case '/': $s .= $ch; break; case 'Y': case 'y': $s .= '%Y'; break; case 'M': $s .= '%b'; break; case 'm': $s .= '%m'; break; case 'D': case 'd': $s .= '%d'; break; case 'Q': case 'q': $s .= "'),Quarter($col)"; if ($len > $i+1) $s .= ",DATE_FORMAT($col,'"; else $s .= ",('"; $concat = true; break; case 'H': $s .= '%H'; break; case 'h': $s .= '%I'; break; case 'i': $s .= '%i'; break; case 's': $s .= '%s'; break; case 'a': case 'A': $s .= '%p'; break; case 'w': $s .= '%w'; break; case 'W': $s .= '%U'; break; case 'l': $s .= '%W'; break; } } $s.="')"; if ($concat) $s = "CONCAT($s)"; return $s; } // returns concatenated string // much easier to run "mysqld --ansi" or "mysqld --sql-mode=PIPES_AS_CONCAT" and use || operator function Concat() { $s = ""; $arr = func_get_args(); // suggestion by andrew005@mnogo.ru $s = implode(',',$arr); if (strlen($s) > 0) return "CONCAT($s)"; else return ''; } function OffsetDate($dayFraction,$date=false) { if (!$date) $date = $this->sysDate; $fraction = $dayFraction * 24 * 3600; return '('. $date . ' + INTERVAL ' . $fraction.' SECOND)'; // return "from_unixtime(unix_timestamp($date)+$fraction)"; } // returns true or false function _connect($argHostname, $argUsername, $argPassword, $argDatabasename) { if (!empty($this->port)) $argHostname .= ":".$this->port; if (ADODB_PHPVER >= 0x4300) $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, $this->forceNewConnect,$this->clientFlags); else if (ADODB_PHPVER >= 0x4200) $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword, $this->forceNewConnect); else $this->_connectionID = mysql_connect($argHostname,$argUsername,$argPassword); if ($this->_connectionID === false) return false; if ($argDatabasename) return $this->SelectDB($argDatabasename); return true; } // returns true or false function _pconnect($argHostname, $argUsername, $argPassword, $argDatabasename) { if (!empty($this->port)) $argHostname .= ":".$this->port; if (ADODB_PHPVER >= 0x4300) $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword,$this->clientFlags); else $this->_connectionID = mysql_pconnect($argHostname,$argUsername,$argPassword); if ($this->_connectionID === false) return false; if ($this->autoRollback) $this->RollbackTrans(); if ($argDatabasename) return $this->SelectDB($argDatabasename); return true; } function _nconnect($argHostname, $argUsername, $argPassword, $argDatabasename) { $this->forceNewConnect = true; return $this->_connect($argHostname, $argUsername, $argPassword, $argDatabasename); } function MetaColumns($table, $normalize=true) { $this->_findschema($table,$schema); if ($schema) { $dbName = $this->database; $this->SelectDB($schema); } global $ADODB_FETCH_MODE; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false); $rs = $this->Execute(sprintf($this->metaColumnsSQL,$table)); if ($schema) { $this->SelectDB($dbName); } if (isset($savem)) $this->SetFetchMode($savem); $ADODB_FETCH_MODE = $save; if (!is_object($rs)) { $false = false; return $false; } $retarr = array(); while (!$rs->EOF){ $fld = new ADOFieldObject(); $fld->name = $rs->fields[0]; $type = $rs->fields[1]; // split type into type(length): $fld->scale = null; if (preg_match("/^(.+)\((\d+),(\d+)/", $type, $query_array)) { $fld->type = $query_array[1]; $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1; $fld->scale = is_numeric($query_array[3]) ? $query_array[3] : -1; } elseif (preg_match("/^(.+)\((\d+)/", $type, $query_array)) { $fld->type = $query_array[1]; $fld->max_length = is_numeric($query_array[2]) ? $query_array[2] : -1; } elseif (preg_match("/^(enum)\((.*)\)$/i", $type, $query_array)) { $fld->type = $query_array[1]; $arr = explode(",",$query_array[2]); $fld->enums = $arr; $zlen = max(array_map("strlen",$arr)) - 2; // PHP >= 4.0.6 $fld->max_length = ($zlen > 0) ? $zlen : 1; } else { $fld->type = $type; $fld->max_length = -1; } $fld->not_null = ($rs->fields[2] != 'YES'); $fld->primary_key = ($rs->fields[3] == 'PRI'); $fld->auto_increment = (strpos($rs->fields[5], 'auto_increment') !== false); $fld->binary = (strpos($type,'blob') !== false || strpos($type,'binary') !== false); $fld->unsigned = (strpos($type,'unsigned') !== false); $fld->zerofill = (strpos($type,'zerofill') !== false); if (!$fld->binary) { $d = $rs->fields[4]; if ($d != '' && $d != 'NULL') { $fld->has_default = true; $fld->default_value = $d; } else { $fld->has_default = false; } } if ($save == ADODB_FETCH_NUM) { $retarr[] = $fld; } else { $retarr[strtoupper($fld->name)] = $fld; } $rs->MoveNext(); } $rs->Close(); return $retarr; } // returns true or false function SelectDB($dbName) { $this->database = $dbName; $this->databaseName = $dbName; # obsolete, retained for compat with older adodb versions if ($this->_connectionID) { return @mysql_select_db($dbName,$this->_connectionID); } else return false; } // parameters use PostgreSQL convention, not MySQL function SelectLimit($sql,$nrows=-1,$offset=-1,$inputarr=false,$secs=0) { $offsetStr =($offset>=0) ? ((integer)$offset)."," : ''; // jason judge, see http://phplens.com/lens/lensforum/msgs.php?id=9220 if ($nrows < 0) $nrows = '18446744073709551615'; if ($secs) $rs = $this->CacheExecute($secs,$sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); else $rs = $this->Execute($sql." LIMIT $offsetStr".((integer)$nrows),$inputarr); return $rs; } // returns queryID or false function _query($sql,$inputarr=false) { //global $ADODB_COUNTRECS; //if($ADODB_COUNTRECS) return mysql_query($sql,$this->_connectionID); //else return @mysql_unbuffered_query($sql,$this->_connectionID); // requires PHP >= 4.0.6 } /* Returns: the last error message from previous database operation */ function ErrorMsg() { if ($this->_logsql) return $this->_errorMsg; if (empty($this->_connectionID)) $this->_errorMsg = @mysql_error(); else $this->_errorMsg = @mysql_error($this->_connectionID); return $this->_errorMsg; } /* Returns: the last error number from previous database operation */ function ErrorNo() { if ($this->_logsql) return $this->_errorCode; if (empty($this->_connectionID)) return @mysql_errno(); else return @mysql_errno($this->_connectionID); } // returns true or false function _close() { @mysql_close($this->_connectionID); $this->charSet = ''; $this->_connectionID = false; } /* * Maximum size of C field */ function CharMax() { return 255; } /* * Maximum size of X field */ function TextMax() { return 4294967295; } // "Innox - Juan Carlos Gonzalez" <jgonzalez#innox.com.mx> function MetaForeignKeys( $table, $owner = FALSE, $upper = FALSE, $associative = FALSE ) { global $ADODB_FETCH_MODE; if ($ADODB_FETCH_MODE == ADODB_FETCH_ASSOC || $this->fetchMode == ADODB_FETCH_ASSOC) $associative = true; if ( !empty($owner) ) { $table = "$owner.$table"; } $a_create_table = $this->getRow(sprintf('SHOW CREATE TABLE %s', $table)); if ($associative) { $create_sql = isset($a_create_table["Create Table"]) ? $a_create_table["Create Table"] : $a_create_table["Create View"]; } else $create_sql = $a_create_table[1]; $matches = array(); if (!preg_match_all("/FOREIGN KEY \(`(.*?)`\) REFERENCES `(.*?)` \(`(.*?)`\)/", $create_sql, $matches)) return false; $foreign_keys = array(); $num_keys = count($matches[0]); for ( $i = 0; $i < $num_keys; $i ++ ) { $my_field = explode('`, `', $matches[1][$i]); $ref_table = $matches[2][$i]; $ref_field = explode('`, `', $matches[3][$i]); if ( $upper ) { $ref_table = strtoupper($ref_table); } // see https://sourceforge.net/tracker/index.php?func=detail&aid=2287278&group_id=42718&atid=433976 if (!isset($foreign_keys[$ref_table])) { $foreign_keys[$ref_table] = array(); } $num_fields = count($my_field); for ( $j = 0; $j < $num_fields; $j ++ ) { if ( $associative ) { $foreign_keys[$ref_table][$ref_field[$j]] = $my_field[$j]; } else { $foreign_keys[$ref_table][] = "{$my_field[$j]}={$ref_field[$j]}"; } } } return $foreign_keys; } } /*-------------------------------------------------------------------------------------- Class Name: Recordset --------------------------------------------------------------------------------------*/ class ADORecordSet_mysql extends ADORecordSet{ var $databaseType = "mysql"; var $canSeek = true; function ADORecordSet_mysql($queryID,$mode=false) { if ($mode === false) { global $ADODB_FETCH_MODE; $mode = $ADODB_FETCH_MODE; } switch ($mode) { case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; case ADODB_FETCH_DEFAULT: case ADODB_FETCH_BOTH: default: $this->fetchMode = MYSQL_BOTH; break; } $this->adodbFetchMode = $mode; $this->ADORecordSet($queryID); } function _initrs() { //GLOBAL $ADODB_COUNTRECS; // $this->_numOfRows = ($ADODB_COUNTRECS) ? @mysql_num_rows($this->_queryID):-1; $this->_numOfRows = @mysql_num_rows($this->_queryID); $this->_numOfFields = @mysql_num_fields($this->_queryID); } function FetchField($fieldOffset = -1) { if ($fieldOffset != -1) { $o = @mysql_fetch_field($this->_queryID, $fieldOffset); $f = @mysql_field_flags($this->_queryID,$fieldOffset); if ($o) $o->max_length = @mysql_field_len($this->_queryID,$fieldOffset); // suggested by: Jim Nicholson (jnich#att.com) //$o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable if ($o) $o->binary = (strpos($f,'binary')!== false); } else { /* The $fieldOffset argument is not provided thus its -1 */ $o = @mysql_fetch_field($this->_queryID); //if ($o) $o->max_length = @mysql_field_len($this->_queryID); // suggested by: Jim Nicholson (jnich#att.com) $o->max_length = -1; // mysql returns the max length less spaces -- so it is unrealiable } return $o; } function GetRowAssoc($upper=true) { if ($this->fetchMode == MYSQL_ASSOC && !$upper) $row = $this->fields; else $row = ADORecordSet::GetRowAssoc($upper); return $row; } /* Use associative array to get fields array */ function Fields($colname) { // added @ by "Michael William Miller" <mille562@pilot.msu.edu> if ($this->fetchMode != MYSQL_NUM) return @$this->fields[$colname]; if (!$this->bind) { $this->bind = array(); for ($i=0; $i < $this->_numOfFields; $i++) { $o = $this->FetchField($i); $this->bind[strtoupper($o->name)] = $i; } } return $this->fields[$this->bind[strtoupper($colname)]]; } function _seek($row) { if ($this->_numOfRows == 0) return false; return @mysql_data_seek($this->_queryID,$row); } function MoveNext() { //return adodb_movenext($this); //if (defined('ADODB_EXTENSION')) return adodb_movenext($this); if (@$this->fields = mysql_fetch_array($this->_queryID,$this->fetchMode)) { $this->_currentRow += 1; return true; } if (!$this->EOF) { $this->_currentRow += 1; $this->EOF = true; } return false; } function _fetch() { $this->fields = @mysql_fetch_array($this->_queryID,$this->fetchMode); return is_array($this->fields); } function _close() { @mysql_free_result($this->_queryID); $this->_queryID = false; } function MetaType($t,$len=-1,$fieldobj=false) { if (is_object($t)) { $fieldobj = $t; $t = $fieldobj->type; $len = $fieldobj->max_length; } $len = -1; // mysql max_length is not accurate switch (strtoupper($t)) { case 'STRING': case 'CHAR': case 'VARCHAR': case 'TINYBLOB': case 'TINYTEXT': case 'ENUM': case 'SET': if ($len <= $this->blobSize) return 'C'; case 'TEXT': case 'LONGTEXT': case 'MEDIUMTEXT': return 'X'; // php_mysql extension always returns 'blob' even if 'text' // so we have to check whether binary... case 'IMAGE': case 'LONGBLOB': case 'BLOB': case 'MEDIUMBLOB': case 'BINARY': return !empty($fieldobj->binary) ? 'B' : 'X'; case 'YEAR': case 'DATE': return 'D'; case 'TIME': case 'DATETIME': case 'TIMESTAMP': return 'T'; case 'INT': case 'INTEGER': case 'BIGINT': case 'TINYINT': case 'MEDIUMINT': case 'SMALLINT': if (!empty($fieldobj->primary_key)) return 'R'; else return 'I'; default: return 'N'; } } } class ADORecordSet_ext_mysql extends ADORecordSet_mysql { function ADORecordSet_ext_mysql($queryID,$mode=false) { if ($mode === false) { global $ADODB_FETCH_MODE; $mode = $ADODB_FETCH_MODE; } switch ($mode) { case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break; case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break; case ADODB_FETCH_DEFAULT: case ADODB_FETCH_BOTH: default: $this->fetchMode = MYSQL_BOTH; break; } $this->adodbFetchMode = $mode; $this->ADORecordSet($queryID); } function MoveNext() { return @adodb_movenext($this); } } } ?>