new ADOdb connection to $this->Type://$this->Host/$this->Database: Link_ID".($this->Link_ID === $GLOBALS['egw']->ADOdb ? '===' : '!==')."\$GLOBALS[egw]->ADOdb
"; //echo "".print_r($this->Link_ID->ServerInfo(),true)."
\n"; _debug_array($this); echo "\$GLOBALS[egw]->db="; _debug_array($GLOBALS[egw]->db); } if ($this->Type == 'mssql') { // this is the format ADOdb expects $this->Link_ID->Execute('SET DATEFORMAT ymd'); // sets the limit to the maximum ini_set('mssql.textlimit',2147483647); ini_set('mssql.sizelimit',2147483647); } } else { $this->Link_ID = &$GLOBALS['egw']->ADOdb; } } // next ADOdb version: if (!$this->Link_ID->isConnected()) $this->Link_ID->Connect(); if (!$this->Link_ID->_connectionID) $this->Link_ID->Connect(); //echo "".print_r($this->Link_ID->ServerInfo(),true)."
\n"; return $this->Link_ID; } /** * changes defaults set in class-var $capabilities depending on db-type and -version * * @param string $ado_driver mysql, postgres, mssql, sapdb, oci8 * @param string $db_version version-number of connected db-server, as reported by ServerInfo */ function set_capabilities($adodb_driver,$db_version) { switch($adodb_driver) { case 'mysql': case 'mysqlt': case 'mysqli': $this->capabilities['sub_queries'] = (float) $db_version >= 4.1; $this->capabilities['union'] = (float) $db_version >= 4.0; $this->capabilities['name_case'] = 'preserv'; $this->capabilities['client_encoding'] = (float) $db_version >= 4.1; break; case 'postgres': $this->capabilities['name_case'] = 'lower'; $this->capabilities['client_encoding'] = (float) $db_version >= 7.4; break; case 'mssql': $this->capabilities['distinct_on_text'] = false; $this->capabilities['order_on_text'] = 'CAST (%s AS varchar)'; break; case 'maxdb': // if Lim ever changes it to maxdb ;-) case 'sapdb': $this->capabilities['distinct_on_text'] = false; $this->capabilities['like_on_text'] = (float) $db_version >= 7.6; $this->capabilities['order_on_text'] = false; break; } //echo "db::set_capabilities('$adodb_driver',$db_version)"; _debug_array($this->capabilities); } /** * Close a connection to a database */ function disconnect() { if (!$this->privat_Link_ID) { unset($GLOBALS['egw']->ADOdb); } unset($this->Link_ID); $this->Link_ID = 0; } /** * Escape strings before sending them to the database * * @deprecated use quote($value,$type='') instead * @param string $str the string to be escaped * @return string escaped sting */ function db_addslashes($str) { if (!isset($str) || $str == '') { return ''; } if (!$this->Link_ID && !$this->connect()) { return False; } return $this->Link_ID->addq($str); } /** * Convert a unix timestamp to a rdms specific timestamp * * @param int unix timestamp * @return string rdms specific timestamp */ function to_timestamp($epoch) { if (!$this->Link_ID && !$this->connect()) { return False; } // the substring is needed as the string is already in quotes return substr($this->Link_ID->DBTimeStamp($epoch),1,-1); } /** * Convert a rdms specific timestamp to a unix timestamp * * @param string rdms specific timestamp * @return int unix timestamp */ function from_timestamp($timestamp) { if (!$this->Link_ID && !$this->connect()) { return False; } return $this->Link_ID->UnixTimeStamp($timestamp); } /** * convert a rdbms specific boolean value * * @param string $val boolean value in db-specfic notation * @return boolean */ function from_bool($val) { return $val && $val{0} !== 'f'; // everthing other then 0 or f[alse] is returned as true } /** * Discard the current query result */ function free() { unset($this->Query_ID); // else copying of the db-object does not work $this->Query_ID = 0; } /** * Execute a query * * @param string $Query_String the query to be executed * @param int $line the line method was called from - use __LINE__ * @param string $file the file method was called from - use __FILE__ * @param int $offset row to start from, default 0 * @param int $num_rows number of rows to return (optional), default -1 = all, 0 will use $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'] * @param array/boolean $inputarr array for binding variables to parameters or false (default) * @return ADORecordSet or false, if the query fails */ function query($Query_String, $line = '', $file = '', $offset=0, $num_rows=-1,$inputarr=false) { if ($Query_String == '') { return 0; } if (!$this->Link_ID && !$this->connect()) { return False; } # New query, discard previous result. if ($this->Query_ID) { $this->free(); } if ($this->Link_ID->fetchMode != ADODB_FETCH_BOTH) { $this->Link_ID->SetFetchMode(ADODB_FETCH_BOTH); } if (!$num_rows) { $num_rows = $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs']; } if ($num_rows > 0) { $this->Query_ID = $this->Link_ID->SelectLimit($Query_String,$num_rows,(int)$offset,$inputarr); } else { $this->Query_ID = $this->Link_ID->Execute($Query_String,$inputarr); } $this->Row = 0; $this->Errno = $this->Link_ID->ErrorNo(); $this->Error = $this->Link_ID->ErrorMsg(); if (! $this->Query_ID) { $this->halt("Invalid SQL: ".(is_array($Query_String)?$Query_String[0]:$Query_String). ($inputarr ? "db::get_last_insert_id(table='$table',field='$field') not yet implemented for db-type '$this->Type' OR no insert operation before
\n"; function_backtrace(); return -1; } return $id; } /** * Lock a table * * @deprecated not used anymore as it costs to much performance, use transactions if needed * @param string $table name of table to lock * @param string $mode type of lock required (optional), default write * @return bool True if sucessful, False if fails */ function lock($table, $mode='write') {} /** * Unlock a table * * @deprecated not used anymore as it costs to much performance, use transactions if needed * @return bool True if sucessful, False if fails */ function unlock() {} /** * Get the number of rows affected by last update or delete * * @return int number of rows */ function affected_rows() { if (!$this->Link_ID && !$this->connect()) { return False; } return $this->Link_ID->Affected_Rows(); } /** * Number of rows in current result set * * @return int number of rows */ function num_rows() { return $this->Query_ID ? $this->Query_ID->RecordCount() : False; } /** * Number of fields in current row * * @return int number of fields */ function num_fields() { return $this->Query_ID ? $this->Query_ID->FieldCount() : False; } /** * @deprecated use num_rows() */ function nf() { return $this->num_rows(); } /** * @deprecated use print num_rows() */ function np() { print $this->num_rows(); } /** * Return the value of a column * * @param string/integer $Name name of field or positional index starting from 0 * @param bool $strip_slashes string escape chars from field(optional), default false * depricated param, as correctly quoted values dont need any stripslashes! * @return string the field value */ function f($Name, $strip_slashes = False) { if ($strip_slashes) { return stripslashes($this->Record[$Name]); } return $this->Record[$Name]; } /** * Print the value of a field * * @param string $Name name of field to print * @param bool $strip_slashes string escape chars from field(optional), default false * depricated param, as correctly quoted values dont need any stripslashes! */ function p($Name, $strip_slashes = True) { print $this->f($Name, $strip_slashes); } /** * Returns a query-result-row as an associative array (no numerical keys !!!) * * @param bool $do_next_record should next_record() be called or not (default not) * @param string $strip='' string to strip of the column-name, default '' * @return array/bool the associative array or False if no (more) result-row is availible */ function row($do_next_record=False,$strip='') { if ($do_next_record && !$this->next_record(ADODB_FETCH_ASSOC) || !is_array($this->Record)) { return False; } $result = array(); foreach($this->Record as $column => $value) { if (!is_numeric($column)) { if ($strip) $column = str_replace($strip,'',$column); $result[$column] = $value; } } return $result; } /** * Error handler * * @param string $msg error message * @param int $line line of calling method/function (optional) * @param string $file file of calling method/function (optional) */ function halt($msg, $line = '', $file = '') { if ($this->Link_ID) // only if we have a link, else infinite loop { $this->Error = $this->Link_ID->ErrorMsg(); // need to be BEFORE unlock, $this->Errno = $this->Link_ID->ErrorNo(); // else we get its error or none $this->unlock(); /* Just in case there is a table currently locked */ } if ($this->Halt_On_Error == "no") { return; } $this->haltmsg($msg); if ($file) { printf("Session halted.
"; if (is_object($GLOBALS['egw']->common)) { $GLOBALS['egw']->common->egw_exit(True); } else // happens eg. in setup { exit(); } } } function haltmsg($msg) { printf("Database error: %s
\n", $msg);
if (($this->Errno || $this->Error) && $this->Error != "()")
{
printf("$this->Type Error: %s (%s)
\n",$this->Errno,$this->Error);
}
}
/**
* Get description of a table
*
* Beside the column-name all other data depends on the db-type !!!
*
* @param string $table name of table to describe
* @param bool $full optional, default False summary information, True full information
* @return array table meta data
*/
function metadata($table='',$full=false)
{
if (!$this->Link_ID && !$this->connect())
{
return False;
}
$columns = $this->Link_ID->MetaColumns($table);
//$columns = $this->Link_ID->MetaColumnsSQL($table);
//echo "metadata('$table')=
\n".print_r($columns,True)."\n"; $metadata = array(); $i = 0; foreach($columns as $column) { // for backwards compatibilty (depreciated) unset($flags); if($column->auto_increment) $flags .= "auto_increment "; if($column->primary_key) $flags .= "primary_key "; if($column->binary) $flags .= "binary "; // _debug_array($column); $metadata[$i] = array( 'table' => $table, 'name' => $column->name, 'type' => $column->type, 'len' => $column->max_length, 'flags' => $flags, // for backwards compatibilty (depreciated) used by JiNN atm 'not_null' => $column->not_null, 'auto_increment' => $column->auto_increment, 'primary_key' => $column->primary_key, 'binary' => $column->binary, 'has_default' => $column->has_default, 'default' => $column->default_value, ); $metadata[$i]['table'] = $table; if ($full) { $metadata['meta'][$column->name] = $i; } ++$i; } if ($full) { $metadata['num_fields'] = $i; } return $metadata; } /** * Get a list of table names in the current database * * @return array list of the tables */ function table_names() { if (!$this->Link_ID) $this->connect(); if (!$this->Link_ID) { return False; } $result = array(); $tables = $this->Link_ID->MetaTables('TABLES'); if (is_array($tables)) { foreach($tables as $table) { if ($this->capabilities['name_case'] == 'upper') { $table = strtolower($table); } $result[] = array( 'table_name' => $table, 'tablespace_name' => $this->Database, 'database' => $this->Database ); } } return $result; } /** * Return a list of indexes in current database * * @return array list of indexes */ function index_names() { $indices = array(); if ($this->Type != 'pgsql') { echo "
db::index_names() not yet implemented for db-type '$this->Type'
\n"; return $indices; } $this->query("SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*' AND relkind ='i' ORDER BY relname"); while ($this->next_record()) { $indices[] = array( 'index_name' => $this->f(0), 'tablespace_name' => $this->Database, 'database' => $this->Database, ); } return $indices; } /** * Returns an array containing column names that are the primary keys of $tablename. * * @return array of columns */ function pkey_columns($tablename) { if (!$this->Link_ID && !$this->connect()) { return False; } return $this->Link_ID->MetaPrimaryKeys($tablename); } /** * Create a new database * * @param string $adminname name of database administrator user (optional) * @param string $adminpasswd password for the database administrator user (optional) * @param string $charset default charset for the database */ function create_database($adminname = '', $adminpasswd = '', $charset='') { $currentUser = $this->User; $currentPassword = $this->Password; $currentDatabase = $this->Database; $extra = array(); $set_charset = ''; switch ($this->Type) { case 'pgsql': $meta_db = 'template1'; break; case 'mysql': if ($charset && isset($this->Link_ID->charset2mysql[$charset]) && (float) $this->ServerInfo['version'] >= 4.1) { $set_charset = ' DEFAULT CHARACTER SET '.$this->Link_ID->charset2mysql[$charset].';'; } $meta_db = 'mysql'; $extra[] = "GRANT ALL ON $currentDatabase.* TO $currentUser@localhost IDENTIFIED BY '$currentPassword'"; break; default: echo "db::create_database(user='$adminname',\$pw) not yet implemented for DB-type '$this->Type'
\n"; break; } if ($adminname != '') { $this->User = $adminname; $this->Password = $adminpasswd; $this->Database = $meta_db; } $this->disconnect(); $this->query('CREATE DATABASE '.$currentDatabase.$set_charset); foreach($extra as $sql) { $this->query($sql); } $this->disconnect(); $this->User = $currentUser; $this->Password = $currentPassword; $this->Database = $currentDatabase; $this->connect(); } /** * concat a variable number of strings together, to be used in a query * * Example: $db->concat($db->quote('Hallo '),'username') would return * for mysql "concat('Hallo ',username)" or "'Hallo ' || username" for postgres * @param string $str1 already quoted stringliteral or column-name, variable number of arguments * @return string to be used in a query */ function concat($str1) { $args = func_get_args(); if (!$this->Link_ID && !$this->connect()) { return False; } return call_user_func_array(array(&$this->Link_ID,'concat'),$args); } /** * Convert a unix timestamp stored as integer in the db into a db timestamp, like MySQL: FROM_UNIXTIME(ts) * * @param string $expr name of an integer column or integer expression * @return string SQL expression of type timestamp */ function from_unixtime($expr) { switch($this->Type) { case 'mysql': return "FROM_UNIXTIME($expr)"; case 'pgsql': // we use date(,0) as we store server-time return "(timestamp '".date('Y-m-d H:i:s',0)."' + ($expr) * interval '1 sec')"; case 'mssql': // we use date(,0) as we store server-time return "DATEADD(second,($expr),'".date('Y-m-d H:i:s',0)."')"; } return false; } /** * format a timestamp as string, like MySQL: DATE_FORMAT(ts) * * Please note: only a subset of the MySQL formats are implemented * * @param string $expr name of a timestamp column or timestamp expression * @param string $format format specifier like '%Y-%m-%d %H:%i:%s' or '%V%X' ('%v%x') weeknumber & year with Sunday (Monday) as first day * @return string SQL expression of type timestamp */ function date_format($expr,$format) { switch($this->Type) { case 'mysql': return "DATE_FORMAT($expr,'$format')"; case 'pgsql': $format = str_replace( array('%Y', '%y','%m','%d','%H', '%h','%i','%s','%V','%v','%X', '%x'), array('YYYY','YY','MM','DD','HH24','HH','MI','SS','IW','IW','YYYY','YYYY'), $format); return "TO_CHAR($expr,'$format')"; case 'mssql': $from = $to = array(); foreach(array('%Y'=>'yyyy','%y'=>'yy','%m'=>'mm','%d'=>'dd','%H'=>'hh','%i'=>'mi','%s'=>'ss','%V'=>'wk','%v'=>'wk','%X'=>'yyyy','%x'=>'yyyy') as $f => $t) { $from[] = $f; $to[] = "'+DATEPART($t,($expr))+'"; } $from[] = "''+"; $to[] = ''; $from[] = "+''"; $to[] = ''; return str_replace($from,$to,$format); } return false; } /** * Correctly Quote Identifiers like table- or colmnnames for use in SQL-statements * * This is mostly copy & paste from adodb's datadict class * @param $name string * @return string quoted string */ function name_quote($name = NULL) { if (!is_string($name)) { return FALSE; } $name = trim($name); if (!$this->Link_ID && !$this->connect()) { return False; } $quote = $this->Link_ID->nameQuote; // if name is of the form `name`, quote it if ( preg_match('/^`(.+)`$/', $name, $matches) ) { return $quote . $matches[1] . $quote; } // if name contains special characters, quote it if ( preg_match('/\W/', $name) ) { return $quote . $name . $quote; } return $name; } /** * Escape values before sending them to the database - prevents SQL injunction and SQL errors ;-) * * Please note that the quote function already returns necessary quotes: quote('Hello') === "'Hello'". * Int and Auto types are casted to int: quote('1','int') === 1, quote('','int') === 0, quote('Hello','int') === 0 * * @param mixed $value the value to be escaped * @param string/boolean $type string the type of the db-column, default False === varchar * @param boolean $not_null is column NOT NULL, default true, else php null values are written as SQL NULL * @return string escaped sting */ function quote($value,$type=False,$not_null=true) { if ($this->Debug) echo "db::quote(".(is_null($value)?'NULL':"'$value'").",'$type','$not_null')
\n"; if (!$not_null && is_null($value)) // writing unset php-variables and those set to NULL now as SQL NULL { return 'NULL'; } switch($type) { case 'int': case 'auto': return (int) $value; case 'bool': if ($this->Type == 'mysql') // maybe it's not longer necessary with mysql5 { return $value ? 1 : 0; } return $value ? 'true' : 'false'; } if (!$this->Link_ID && !$this->connect()) { return False; } switch($type) { case 'blob': switch ($this->Link_ID->blobEncodeType) { case 'C': // eg. postgres return "'" . $this->Link_ID->BlobEncode($value) . "'"; case 'I': return $this->Link_ID->BlobEncode($value); } break; // handled like strings case 'date': return $this->Link_ID->DBDate($value); case 'timestamp': return $this->Link_ID->DBTimeStamp($value); } return $this->Link_ID->qstr($value); } /** * Implodes an array of column-value pairs for the use in sql-querys. * All data is run through quote (does either addslashes() or (int)) - prevents SQL injunction and SQL errors ;-). * * @author RalfBeckerdb::column_data_implode('$glue',".print_r($array,True).",'$use_key',".print_r($only,True).",
".print_r($column_definitions,True)."\n"; $keys = $values = array(); foreach($array as $key => $data) { if (is_int($key) || !$only || $only === True && isset($column_definitions[$key]) || is_array($only) && in_array($key,$only)) { $keys[] = $this->name_quote($key); if (!is_int($key) && is_array($column_definitions) && !isset($column_definitions[$key])) { // give a warning that we have no column-type $this->halt("db::column_data_implode('$glue',".print_r($array,True).",'$use_key',".print_r($only,True).",
".print_r($column_definitions,True)."nothing known about column '$key'!"); } $column_type = is_array($column_definitions) ? @$column_definitions[$key]['type'] : False; $not_null = is_array($column_definitions) && isset($column_definitions[$key]['nullable']) ? !$column_definitions[$key]['nullable'] : false; if (is_array($data)) { $or_null = ''; foreach($data as $k => $v) { if (!$not_null && $use_key===True && is_null($v)) { $or_null = $this->name_quote($key).' IS NULL)'; unset($data[$k]); continue; } $data[$k] = $this->quote($v,$column_type,$not_null); } $values[] = ($or_null?'(':'').(!count($data) ? '' : ($use_key===True ? $this->name_quote($key).' IN ' : '') . '('.implode(',',$data).')'.($or_null ? ' OR ' : '')).$or_null; } elseif (is_int($key) && $use_key===True) { $values[] = $data; } elseif ($glue != ',' && $use_key === True && !$not_null && is_null($data)) { $values[] = $this->name_quote($key) .' IS NULL'; } else { $values[] = ($use_key===True ? $this->name_quote($key) . '=' : '') . $this->quote($data,$column_type,$not_null); } } } return ($use_key==='VALUES' ? '('.implode(',',$keys).') VALUES (' : ''). implode($glue,$values) . ($use_key==='VALUES' ? ')' : ''); } /** * Sets the default column-definitions for use with column_data_implode() * * @author RalfBecker
db::insert('$table',".print_r($data,True).",".print_r($where,True).",$line,$file,'$app')
\n"; if (!$table_def) $table_def = $this->get_table_definitions($app,$table); $sql_append = ''; $cmd = 'INSERT'; if (is_array($where) && count($where)) { switch($this->Type) { case 'sapdb': case 'maxdb': $sql_append = ' UPDATE DUPLICATES'; break; case 'mysql': // use replace if primary keys are included if (count(array_intersect(array_keys($where),(array)$table_def['pk'])) == count($table_def['pk'])) { $cmd = 'REPLACE'; break; } // fall through !!! default: $this->select($table,'count(*)',$where,$line,$file); if ($this->next_record() && $this->f(0)) { return !!$this->update($table,$data,$where,$line,$file,$app); } break; } // the checked values need to be inserted too, value in data has precedence, also cant insert sql strings (numerical id) foreach($where as $column => $value) { if (!is_numeric($column) && !isset($data[$column])) { $data[$column] = $value; } } } $inputarr = false; if ($use_prepared_statement && $this->Link_ID->_bindInputArray) // eg. MaxDB { $this->Link_ID->Param(false); // reset param-counter $cols = array_keys($data); foreach($cols as $k => $col) { if (!isset($table_def['fd'][$col])) // ignore columns not in this table { unset($cols[$k]); continue; } $params[] = $this->Link_ID->Param($col); } $sql = "$cmd INTO $table (".implode(',',$cols).') VALUES ('.implode(',',$params).')'.$sql_append; // check if we already prepared that statement if (!isset($this->prepared_sql[$sql])) { $this->prepared_sql[$sql] = $this->Link_ID->Prepare($sql); } $sql = $this->prepared_sql[$sql]; $inputarr = &$data; } else { $sql = "$cmd INTO $table ".$this->column_data_implode(',',$data,'VALUES',true,$table_def['fd']).$sql_append; } if ($this->Debug) echo "db::insert('$table',".print_r($data,True).",".print_r($where,True).",$line,$file,'$app') sql='$sql'
\n"; return $this->query($sql,$line,$file,0,-1,$inputarr); } /** * Updates the data of one or more rows in a table, all data is quoted according to it's type * * @author RalfBeckerdb::update('$table',".print_r($data,true).','.print_r($where,true).",$line,$file,'$app')
\n"; if (!$table_def) $table_def = $this->get_table_definitions($app,$table); $blobs2update = array(); // SapDB/MaxDB cant update LONG columns / blob's: if a blob-column is included in the update we remember it in $blobs2update // and remove it from $data switch ($this->Type) { case 'sapdb': case 'maxdb': if ($use_prepared_statement) break; // check if data contains any LONG columns foreach($data as $col => $val) { switch ($table_def['fd'][$col]['type']) { case 'text': case 'longtext': case 'blob': $blobs2update[$col] = &$data[$col]; unset($data[$col]); break; } } break; } $where = $this->column_data_implode(' AND ',$where,True,true,$table_def['fd']); if (count($data)) { $inputarr = false; if ($use_prepared_statement && $this->Link_ID->_bindInputArray) // eg. MaxDB { $this->Link_ID->Param(false); // reset param-counter foreach($data as $col => $val) { if (!isset($table_def['fd'][$col])) continue; // ignore columns not in this table $params[] = $this->name_quote($col).'='.$this->Link_ID->Param($col); } $sql = "UPDATE $table SET ".implode(',',$params).' WHERE '.$where; // check if we already prepared that statement if (!isset($this->prepared_sql[$sql])) { $this->prepared_sql[$sql] = $this->Link_ID->Prepare($sql); } $sql = $this->prepared_sql[$sql]; $inputarr = &$data; } else { $sql = "UPDATE $table SET ". $this->column_data_implode(',',$data,True,true,$table_def['fd']).' WHERE '.$where; } $ret = $this->query($sql,$line,$file,0,-1,$inputarr); if ($this->Debug) echo "db::query('$sql',$line,$file) = '$ret'
\n"; } // if we have any blobs to update, we do so now if (($ret || !count($data)) && count($blobs2update)) { foreach($blobs2update as $col => $val) { $ret = $this->Link_ID->UpdateBlob($table,$col,$val,$where,$table_def['fd'][$col]['type'] == 'blob' ? 'BLOB' : 'CLOB'); if ($this->Debug) echo "adodb::UpdateBlob('$table','$col','$val','$where') = '$ret'
\n"; if (!$ret) $this->halt("Error in UpdateBlob($table,$col,\$val,$where)",$line,$file); } } return $ret; } /** * Deletes one or more rows in table, all data is quoted according to it's type * * @author RalfBeckerdb::expression($table,
".print_r(func_get_args(),True).") ='$sql'\n"; return $sql; } /** * Selects one or more rows in table depending on where, all data is quoted according to it's type * * @author RalfBecker
db::select('$table',".print_r($cols,True).",".print_r($where,True).",$line,$file,$offset,'$app',$num_rows,'$join')
\n"; if (!$table_def) $table_def = $this->get_table_definitions($app,$table); if (is_array($cols)) { $cols = implode(',',$cols); } if (is_array($where)) { $where = $this->column_data_implode(' AND ',$where,True,False,$table_def['fd']); } $sql = "SELECT $cols FROM $table $join"; // if we have a where clause, we need to add it together with the WHERE statement, if thats not in the join if ($where) $sql .= strstr($join,"WHERE") ? ' AND ('.$where.')' : ' WHERE '.$where; if ($append) $sql .= ' '.$append; if ($this->Debug) echo "sql='$sql'
"; if ($line === false && $file === false) // call by union, to return the sql rather then run the query { return $sql; } return $this->query($sql,$line,$file,$offset,$offset===False ? -1 : (int)$num_rows); } /** * Does a union over multiple selects * * @author RalfBeckerdb::union(".print_r($selects,True).",$line,$file,$order_by,$offset,$num_rows)
\n"; $sql = array(); foreach($selects as $select) { $sql[] = call_user_func_array(array($this,'select'),array( $select['table'], $select['cols'], $select['where'], false, // line false, // file false, // offset $select['append'], $select['app'], 0, // num_rows, $select['join'], $select['table_def'], )); } $sql = count($sql) > 1 ? '(' . implode(")\nUNION\n(",$sql).')' : $sql[0]; if ($order_by) $sql .= (!stristr($order_by,'ORDER BY') ? "\nORDER BY " : '').$order_by; if ($this->Debug) echo "sql='$sql'
"; return $this->query($sql,$line,$file,$offset,$offset===False ? -1 : (int)$num_rows); } }