$str

"; $a= lens_ParseArgs($str); print "
";
print_r($a);
print "
"; } if (!function_exists('ctype_alnum')) { function ctype_alnum($text) { return preg_match('/^[a-z0-9]*$/i', $text); } } //Lens_ParseTest(); /** Parse arguments, treat "text" (text) and 'text' as quotation marks. To escape, use "" or '' or )) Will read in "abc def" sans quotes, as: abc def Same with 'abc def'. However if `abc def`, then will read in as `abc def` @param endstmtchar Character that indicates end of statement @param tokenchars Include the following characters in tokens apart from A-Z and 0-9 @returns 2 dimensional array containing parsed tokens. */ function lens_ParseArgs($args,$endstmtchar=',',$tokenchars='_.-') { $pos = 0; $intoken = false; $stmtno = 0; $endquote = false; $tokens = array(); $tokens[$stmtno] = array(); $max = strlen($args); $quoted = false; $tokarr = array(); while ($pos < $max) { $ch = substr($args,$pos,1); switch($ch) { case ' ': case "\t": case "\n": case "\r": if (!$quoted) { if ($intoken) { $intoken = false; $tokens[$stmtno][] = implode('',$tokarr); } break; } $tokarr[] = $ch; break; case '`': if ($intoken) $tokarr[] = $ch; case '(': case ')': case '"': case "'": if ($intoken) { if (empty($endquote)) { $tokens[$stmtno][] = implode('',$tokarr); if ($ch == '(') $endquote = ')'; else $endquote = $ch; $quoted = true; $intoken = true; $tokarr = array(); } else if ($endquote == $ch) { $ch2 = substr($args,$pos+1,1); if ($ch2 == $endquote) { $pos += 1; $tokarr[] = $ch2; } else { $quoted = false; $intoken = false; $tokens[$stmtno][] = implode('',$tokarr); $endquote = ''; } } else $tokarr[] = $ch; }else { if ($ch == '(') $endquote = ')'; else $endquote = $ch; $quoted = true; $intoken = true; $tokarr = array(); if ($ch == '`') $tokarr[] = '`'; } break; default: if (!$intoken) { if ($ch == $endstmtchar) { $stmtno += 1; $tokens[$stmtno] = array(); break; } $intoken = true; $quoted = false; $endquote = false; $tokarr = array(); } if ($quoted) $tokarr[] = $ch; else if (ctype_alnum($ch) || strpos($tokenchars,$ch) !== false) $tokarr[] = $ch; else { if ($ch == $endstmtchar) { $tokens[$stmtno][] = implode('',$tokarr); $stmtno += 1; $tokens[$stmtno] = array(); $intoken = false; $tokarr = array(); break; } $tokens[$stmtno][] = implode('',$tokarr); $tokens[$stmtno][] = $ch; $intoken = false; } } $pos += 1; } if ($intoken) $tokens[$stmtno][] = implode('',$tokarr); return $tokens; } class ADODB_DataDict { var $connection; var $debug = false; var $dropTable = 'DROP TABLE %s'; var $renameTable = 'RENAME TABLE %s TO %s'; var $dropIndex = 'DROP INDEX %s'; var $addCol = ' ADD'; var $alterCol = ' ALTER COLUMN'; var $dropCol = ' DROP COLUMN'; var $renameColumn = 'ALTER TABLE %s RENAME COLUMN %s TO %s'; // table, old-column, new-column, column-definitions (not used by default) var $nameRegex = '\w'; var $nameRegexBrackets = 'a-zA-Z0-9_\(\)'; var $schema = false; var $serverInfo = array(); var $autoIncrement = false; var $dataProvider; var $invalidResizeTypes4 = array('CLOB','BLOB','TEXT','DATE','TIME'); // for changeTableSQL var $blobSize = 100; /// any varchar/char field this size or greater is treated as a blob /// in other words, we use a text area for editing. /* * Indicates whether a BLOB/CLOB field will allow a NOT NULL setting * The type is whatever is matched to an X or X2 or B type. We must * explicitly set the value in the driver to switch the behaviour on */ public $blobAllowsNotNull; /* * Indicates whether a BLOB/CLOB field will allow a DEFAULT set * The type is whatever is matched to an X or X2 or B type. We must * explicitly set the value in the driver to switch the behaviour on */ public $blobAllowsDefaultValue; function getCommentSQL($table,$col) { return false; } function setCommentSQL($table,$col,$cmt) { return false; } function metaTables() { if (!$this->connection->isConnected()) return array(); return $this->connection->metaTables(); } function metaColumns($tab, $upper=true, $schema=false) { if (!$this->connection->isConnected()) return array(); return $this->connection->metaColumns($this->tableName($tab), $upper, $schema); } function metaPrimaryKeys($tab,$owner=false,$intkey=false) { if (!$this->connection->isConnected()) return array(); return $this->connection->metaPrimaryKeys($this->tableName($tab), $owner, $intkey); } function metaIndexes($table, $primary = false, $owner = false) { if (!$this->connection->isConnected()) return array(); return $this->connection->metaIndexes($this->tableName($table), $primary, $owner); } function metaType($t,$len=-1,$fieldobj=false) { static $typeMap = array( 'VARCHAR' => 'C', 'VARCHAR2' => 'C', 'CHAR' => 'C', 'C' => 'C', 'STRING' => 'C', 'NCHAR' => 'C', 'NVARCHAR' => 'C', 'VARYING' => 'C', 'BPCHAR' => 'C', 'CHARACTER' => 'C', 'INTERVAL' => 'C', # Postgres 'MACADDR' => 'C', # postgres 'VAR_STRING' => 'C', # mysql ## 'LONGCHAR' => 'X', 'TEXT' => 'X', 'NTEXT' => 'X', 'M' => 'X', 'X' => 'X', 'CLOB' => 'X', 'NCLOB' => 'X', 'LVARCHAR' => 'X', ## 'BLOB' => 'B', 'IMAGE' => 'B', 'BINARY' => 'B', 'VARBINARY' => 'B', 'LONGBINARY' => 'B', 'B' => 'B', ## 'YEAR' => 'D', // mysql 'DATE' => 'D', 'D' => 'D', ## 'UNIQUEIDENTIFIER' => 'C', # MS SQL Server ## 'TIME' => 'T', 'TIMESTAMP' => 'T', 'DATETIME' => 'T', 'TIMESTAMPTZ' => 'T', 'SMALLDATETIME' => 'T', 'T' => 'T', 'TIMESTAMP WITHOUT TIME ZONE' => 'T', // postgresql ## 'BOOL' => 'L', 'BOOLEAN' => 'L', 'BIT' => 'L', 'L' => 'L', ## 'COUNTER' => 'R', 'R' => 'R', 'SERIAL' => 'R', // ifx 'INT IDENTITY' => 'R', ## 'INT' => 'I', 'INT2' => 'I', 'INT4' => 'I', 'INT8' => 'I', 'INTEGER' => 'I', 'INTEGER UNSIGNED' => 'I', 'SHORT' => 'I', 'TINYINT' => 'I', 'SMALLINT' => 'I', 'I' => 'I', ## 'LONG' => 'N', // interbase is numeric, oci8 is blob 'BIGINT' => 'N', // this is bigger than PHP 32-bit integers 'DECIMAL' => 'N', 'DEC' => 'N', 'REAL' => 'N', 'DOUBLE' => 'N', 'DOUBLE PRECISION' => 'N', 'SMALLFLOAT' => 'N', 'FLOAT' => 'N', 'NUMBER' => 'N', 'NUM' => 'N', 'NUMERIC' => 'N', 'MONEY' => 'N', ## informix 9.2 'SQLINT' => 'I', 'SQLSERIAL' => 'I', 'SQLSMINT' => 'I', 'SQLSMFLOAT' => 'N', 'SQLFLOAT' => 'N', 'SQLMONEY' => 'N', 'SQLDECIMAL' => 'N', 'SQLDATE' => 'D', 'SQLVCHAR' => 'C', 'SQLCHAR' => 'C', 'SQLDTIME' => 'T', 'SQLINTERVAL' => 'N', 'SQLBYTES' => 'B', 'SQLTEXT' => 'X', ## informix 10 "SQLINT8" => 'I8', "SQLSERIAL8" => 'I8', "SQLNCHAR" => 'C', "SQLNVCHAR" => 'C', "SQLLVARCHAR" => 'X', "SQLBOOL" => 'L' ); if (!$this->connection->isConnected()) { $t = strtoupper($t); if (isset($typeMap[$t])) return $typeMap[$t]; return ADODB_DEFAULT_METATYPE; } return $this->connection->metaType($t,$len,$fieldobj); } function nameQuote($name = NULL,$allowBrackets=false) { if (!is_string($name)) { return FALSE; } $name = trim($name); if ( !is_object($this->connection) ) { return $name; } $quote = $this->connection->nameQuote; // if name is of the form `name`, quote it if ( preg_match('/^`(.+)`$/', $name, $matches) ) { return $quote . $matches[1] . $quote; } // if name contains special characters, quote it $regex = ($allowBrackets) ? $this->nameRegexBrackets : $this->nameRegex; if ( !preg_match('/^[' . $regex . ']+$/', $name) ) { return $quote . $name . $quote; } return $name; } function tableName($name) { if ( $this->schema ) { return $this->nameQuote($this->schema) .'.'. $this->nameQuote($name); } return $this->nameQuote($name); } // Executes the sql array returned by getTableSQL and getIndexSQL function executeSQLArray($sql, $continueOnError = true) { $rez = 2; $conn = $this->connection; $saved = $conn->debug; foreach($sql as $line) { if ($this->debug) $conn->debug = true; $ok = $conn->execute($line); $conn->debug = $saved; if (!$ok) { if ($this->debug) ADOConnection::outp($conn->errorMsg()); if (!$continueOnError) return 0; $rez = 1; } } return $rez; } /** Returns the actual type given a character code. C: varchar X: CLOB (character large object) or largest varchar size if CLOB is not supported C2: Multibyte varchar X2: Multibyte CLOB B: BLOB (binary large object) D: Date T: Date-time L: Integer field suitable for storing booleans (0 or 1) I: Integer F: Floating point number N: Numeric or decimal number */ function actualType($meta) { return $meta; } function createDatabase($dbname,$options=false) { $options = $this->_options($options); $sql = array(); $s = 'CREATE DATABASE ' . $this->nameQuote($dbname); if (isset($options[$this->upperName])) $s .= ' '.$options[$this->upperName]; $sql[] = $s; return $sql; } /* Generates the SQL to create index. Returns an array of sql strings. */ function createIndexSQL($idxname, $tabname, $flds, $idxoptions = false) { if (!is_array($flds)) { $flds = explode(',',$flds); } foreach($flds as $key => $fld) { # some indexes can use partial fields, eg. index first 32 chars of "name" with NAME(32) $flds[$key] = $this->nameQuote($fld,$allowBrackets=true); } return $this->_indexSQL($this->nameQuote($idxname), $this->tableName($tabname), $flds, $this->_options($idxoptions)); } function dropIndexSQL ($idxname, $tabname = NULL) { return array(sprintf($this->dropIndex, $this->nameQuote($idxname), $this->tableName($tabname))); } function setSchema($schema) { $this->schema = $schema; } function addColumnSQL($tabname, $flds) { $tabname = $this->tableName($tabname); $sql = array(); list($lines,$pkey,$idxs) = $this->_genFields($flds); // genfields can return FALSE at times if ($lines == null) $lines = array(); $alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' '; foreach($lines as $v) { $sql[] = $alter . $v; } if (is_array($idxs)) { foreach($idxs as $idx => $idxdef) { $sql_idxs = $this->createIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); $sql = array_merge($sql, $sql_idxs); } } return $sql; } /** * Change the definition of one column * * As some DBMs can't do that on their own, you need to supply the complete definition of the new table, * to allow recreating the table and copying the content over to the new table * @param string $tabname table-name * @param string $flds column-name and type for the changed column * @param string $tableflds='' complete definition of the new table, eg. for postgres, default '' * @param array/string $tableoptions='' options for the new table see createTableSQL, default '' * @return array with SQL strings */ function alterColumnSQL($tabname, $flds, $tableflds='',$tableoptions='') { $tabname = $this->tableName($tabname); $sql = array(); list($lines,$pkey,$idxs) = $this->_genFields($flds); // genfields can return FALSE at times if ($lines == null) $lines = array(); $alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' '; foreach($lines as $v) { $sql[] = $alter . $v; } if (is_array($idxs)) { foreach($idxs as $idx => $idxdef) { $sql_idxs = $this->createIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); $sql = array_merge($sql, $sql_idxs); } } return $sql; } /** * Rename one column * * Some DBMs can only do this together with changeing the type of the column (even if that stays the same, eg. mysql) * @param string $tabname table-name * @param string $oldcolumn column-name to be renamed * @param string $newcolumn new column-name * @param string $flds='' complete column-definition-string like for addColumnSQL, only used by mysql atm., default='' * @return array with SQL strings */ function renameColumnSQL($tabname,$oldcolumn,$newcolumn,$flds='') { $tabname = $this->tableName($tabname); if ($flds) { list($lines,$pkey,$idxs) = $this->_genFields($flds); // genfields can return FALSE at times if ($lines == null) $lines = array(); $first = current($lines); list(,$column_def) = preg_split("/[\t ]+/",$first,2); } return array(sprintf($this->renameColumn,$tabname,$this->nameQuote($oldcolumn),$this->nameQuote($newcolumn),$column_def)); } /** * Drop one column * * Some DBM's can't do that on their own, you need to supply the complete definition of the new table, * to allow, recreating the table and copying the content over to the new table * @param string $tabname table-name * @param string $flds column-name and type for the changed column * @param string $tableflds='' complete definition of the new table, eg. for postgres, default '' * @param array/string $tableoptions='' options for the new table see createTableSQL, default '' * @return array with SQL strings */ function dropColumnSQL($tabname, $flds, $tableflds='',$tableoptions='') { $tabname = $this->tableName($tabname); if (!is_array($flds)) $flds = explode(',',$flds); $sql = array(); $alter = 'ALTER TABLE ' . $tabname . $this->dropCol . ' '; foreach($flds as $v) { $sql[] = $alter . $this->nameQuote($v); } return $sql; } function dropTableSQL($tabname) { return array (sprintf($this->dropTable, $this->tableName($tabname))); } function renameTableSQL($tabname,$newname) { return array (sprintf($this->renameTable, $this->tableName($tabname),$this->tableName($newname))); } /** Generate the SQL to create table. Returns an array of sql strings. */ function createTableSQL($tabname, $flds, $tableoptions=array()) { list($lines,$pkey,$idxs) = $this->_genFields($flds, true); // genfields can return FALSE at times if ($lines == null) $lines = array(); $taboptions = $this->_options($tableoptions); $tabname = $this->tableName($tabname); $sql = $this->_tableSQL($tabname,$lines,$pkey,$taboptions); // ggiunta - 2006/10/12 - KLUDGE: // if we are on autoincrement, and table options includes REPLACE, the // autoincrement sequence has already been dropped on table creation sql, so // we avoid passing REPLACE to trigger creation code. This prevents // creating sql that double-drops the sequence if ($this->autoIncrement && isset($taboptions['REPLACE'])) unset($taboptions['REPLACE']); $tsql = $this->_triggers($tabname,$taboptions); foreach($tsql as $s) $sql[] = $s; if (is_array($idxs)) { foreach($idxs as $idx => $idxdef) { $sql_idxs = $this->createIndexSql($idx, $tabname, $idxdef['cols'], $idxdef['opts']); $sql = array_merge($sql, $sql_idxs); } } return $sql; } function _genFields($flds,$widespacing=false) { if (is_string($flds)) { $padding = ' '; $txt = $flds.$padding; $flds = array(); $flds0 = lens_ParseArgs($txt,','); $hasparam = false; foreach($flds0 as $f0) { $f1 = array(); foreach($f0 as $token) { switch (strtoupper($token)) { case 'INDEX': $f1['INDEX'] = ''; // fall through intentionally case 'CONSTRAINT': case 'DEFAULT': $hasparam = $token; break; default: if ($hasparam) $f1[$hasparam] = $token; else $f1[] = $token; $hasparam = false; break; } } // 'index' token without a name means single column index: name it after column if (array_key_exists('INDEX', $f1) && $f1['INDEX'] == '') { $f1['INDEX'] = isset($f0['NAME']) ? $f0['NAME'] : $f0[0]; // check if column name used to create an index name was quoted if (($f1['INDEX'][0] == '"' || $f1['INDEX'][0] == "'" || $f1['INDEX'][0] == "`") && ($f1['INDEX'][0] == substr($f1['INDEX'], -1))) { $f1['INDEX'] = $f1['INDEX'][0].'idx_'.substr($f1['INDEX'], 1, -1).$f1['INDEX'][0]; } else $f1['INDEX'] = 'idx_'.$f1['INDEX']; } // reset it, so we don't get next field 1st token as INDEX... $hasparam = false; $flds[] = $f1; } } $this->autoIncrement = false; $lines = array(); $pkey = array(); $idxs = array(); foreach($flds as $fld) { if (is_array($fld)) $fld = array_change_key_case($fld,CASE_UPPER); $fname = false; $fdefault = false; $fautoinc = false; $ftype = false; $fsize = false; $fprec = false; $fprimary = false; $fnoquote = false; $fdefts = false; $fdefdate = false; $fconstraint = false; $fnotnull = false; $funsigned = false; $findex = ''; $funiqueindex = false; $fOptions = array(); //----------------- // Parse attributes foreach($fld as $attr => $v) { if ($attr == 2 && is_numeric($v)) $attr = 'SIZE'; elseif ($attr == 2 && strtoupper($ftype) == 'ENUM') $attr = 'ENUM'; else if (is_numeric($attr) && $attr > 1 && !is_numeric($v)) $attr = strtoupper($v); switch($attr) { case '0': case 'NAME': $fname = $v; break; case '1': case 'TYPE': $ty = $v; $ftype = $this->actualType(strtoupper($v)); break; case 'SIZE': $dotat = strpos($v,'.'); if ($dotat === false) $dotat = strpos($v,','); if ($dotat === false) $fsize = $v; else { $fsize = substr($v,0,$dotat); $fprec = substr($v,$dotat+1); } break; case 'UNSIGNED': $funsigned = true; break; case 'AUTOINCREMENT': case 'AUTO': $fautoinc = true; $fnotnull = true; break; case 'KEY': // a primary key col can be non unique in itself (if key spans many cols...) case 'PRIMARY': $fprimary = $v; $fnotnull = true; /*$funiqueindex = true;*/ break; case 'DEF': case 'DEFAULT': $fdefault = $v; break; case 'NOTNULL': $fnotnull = $v; break; case 'NOQUOTE': $fnoquote = $v; break; case 'DEFDATE': $fdefdate = $v; break; case 'DEFTIMESTAMP': $fdefts = $v; break; case 'CONSTRAINT': $fconstraint = $v; break; // let INDEX keyword create a 'very standard' index on column case 'INDEX': $findex = $v; break; case 'UNIQUE': $funiqueindex = true; break; case 'ENUM': $fOptions['ENUM'] = $v; break; } //switch } // foreach $fld //-------------------- // VALIDATE FIELD INFO if (!strlen($fname)) { if ($this->debug) ADOConnection::outp("Undefined NAME"); return false; } $fid = strtoupper(preg_replace('/^`(.+)`$/', '$1', $fname)); $fname = $this->nameQuote($fname); if (!strlen($ftype)) { if ($this->debug) ADOConnection::outp("Undefined TYPE for field '$fname'"); return false; } else { $ftype = strtoupper($ftype); } $ftype = $this->_getSize($ftype, $ty, $fsize, $fprec, $fOptions); if (($ty == 'X' || $ty == 'X2' || $ty == 'XL' || $ty == 'B') && !$this->blobAllowsNotNull) /* * some blob types do not accept nulls, so we override the * previously defined value */ $fnotnull = false; if ($fprimary) $pkey[] = $fname; if (($ty == 'X' || $ty == 'X2' || $ty == 'XL' || $ty == 'B') && !$this->blobAllowsDefaultValue) /* * some databases do not allow blobs to have defaults, so we * override the previously defined value */ $fdefault = false; // build list of indexes if ($findex != '') { if (array_key_exists($findex, $idxs)) { $idxs[$findex]['cols'][] = ($fname); if (in_array('UNIQUE', $idxs[$findex]['opts']) != $funiqueindex) { if ($this->debug) ADOConnection::outp("Index $findex defined once UNIQUE and once not"); } if ($funiqueindex && !in_array('UNIQUE', $idxs[$findex]['opts'])) $idxs[$findex]['opts'][] = 'UNIQUE'; } else { $idxs[$findex] = array(); $idxs[$findex]['cols'] = array($fname); if ($funiqueindex) $idxs[$findex]['opts'] = array('UNIQUE'); else $idxs[$findex]['opts'] = array(); } } //-------------------- // CONSTRUCT FIELD SQL if ($fdefts) { if (substr($this->connection->databaseType,0,5) == 'mysql') { $ftype = 'TIMESTAMP'; } else { $fdefault = $this->connection->sysTimeStamp; } } else if ($fdefdate) { if (substr($this->connection->databaseType,0,5) == 'mysql') { $ftype = 'TIMESTAMP'; } else { $fdefault = $this->connection->sysDate; } } else if ($fdefault !== false && !$fnoquote) { if ($ty == 'C' or $ty == 'X' or ( substr($fdefault,0,1) != "'" && !is_numeric($fdefault))) { if (($ty == 'D' || $ty == 'T') && strtolower($fdefault) != 'null') { // convert default date into database-aware code if ($ty == 'T') { $fdefault = $this->connection->dbTimeStamp($fdefault); } else { $fdefault = $this->connection->dbDate($fdefault); } } else if (strlen($fdefault) != 1 && substr($fdefault,0,1) == ' ' && substr($fdefault,strlen($fdefault)-1) == ' ') $fdefault = trim($fdefault); else if (strtolower($fdefault) != 'null') $fdefault = $this->connection->qstr($fdefault); } } $suffix = $this->_createSuffix($fname,$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned); // add index creation if ($widespacing) $fname = str_pad($fname,24); // check for field names appearing twice if (array_key_exists($fid, $lines)) { ADOConnection::outp("Field '$fname' defined twice"); } $lines[$fid] = $fname.' '.$ftype.$suffix; if ($fautoinc) $this->autoIncrement = true; } // foreach $flds return array($lines,$pkey,$idxs); } /** GENERATE THE SIZE PART OF THE DATATYPE $ftype is the actual type $ty is the type defined originally in the DDL */ function _getSize($ftype, $ty, $fsize, $fprec, $options=false) { if (strlen($fsize) && $ty != 'X' && $ty != 'B' && strpos($ftype,'(') === false) { $ftype .= "(".$fsize; if (strlen($fprec)) $ftype .= ",".$fprec; $ftype .= ')'; } /* * Handle additional options */ if (is_array($options)) { foreach($options as $type=>$value) { switch ($type) { case 'ENUM': $ftype .= '(' . $value . ')'; break; default: } } } return $ftype; } // return string must begin with space function _createSuffix($fname,&$ftype,$fnotnull,$fdefault,$fautoinc,$fconstraint,$funsigned) { $suffix = ''; if (strlen($fdefault)) $suffix .= " DEFAULT $fdefault"; if ($fnotnull) $suffix .= ' NOT NULL'; if ($fconstraint) $suffix .= ' '.$fconstraint; return $suffix; } function _indexSQL($idxname, $tabname, $flds, $idxoptions) { $sql = array(); if ( isset($idxoptions['REPLACE']) || isset($idxoptions['DROP']) ) { $sql[] = sprintf ($this->dropIndex, $idxname); if ( isset($idxoptions['DROP']) ) return $sql; } if ( empty ($flds) ) { return $sql; } $unique = isset($idxoptions['UNIQUE']) ? ' UNIQUE' : ''; $s = 'CREATE' . $unique . ' INDEX ' . $idxname . ' ON ' . $tabname . ' '; if ( isset($idxoptions[$this->upperName]) ) $s .= $idxoptions[$this->upperName]; if ( is_array($flds) ) $flds = implode(', ',$flds); $s .= '(' . $flds . ')'; $sql[] = $s; return $sql; } function _dropAutoIncrement($tabname) { return false; } function _tableSQL($tabname,$lines,$pkey,$tableoptions) { $sql = array(); if (isset($tableoptions['REPLACE']) || isset ($tableoptions['DROP'])) { $sql[] = sprintf($this->dropTable,$tabname); if ($this->autoIncrement) { $sInc = $this->_dropAutoIncrement($tabname); if ($sInc) $sql[] = $sInc; } if ( isset ($tableoptions['DROP']) ) { return $sql; } } $s = "CREATE TABLE $tabname (\n"; $s .= implode(",\n", $lines); if (sizeof($pkey)>0) { $s .= ",\n PRIMARY KEY ("; $s .= implode(", ",$pkey).")"; } if (isset($tableoptions['CONSTRAINTS'])) $s .= "\n".$tableoptions['CONSTRAINTS']; if (isset($tableoptions[$this->upperName.'_CONSTRAINTS'])) $s .= "\n".$tableoptions[$this->upperName.'_CONSTRAINTS']; $s .= "\n)"; if (isset($tableoptions[$this->upperName])) $s .= $tableoptions[$this->upperName]; $sql[] = $s; return $sql; } /** GENERATE TRIGGERS IF NEEDED used when table has auto-incrementing field that is emulated using triggers */ function _triggers($tabname,$taboptions) { return array(); } /** Sanitize options, so that array elements with no keys are promoted to keys */ function _options($opts) { if (!is_array($opts)) return array(); $newopts = array(); foreach($opts as $k => $v) { if (is_numeric($k)) $newopts[strtoupper($v)] = $v; else $newopts[strtoupper($k)] = $v; } return $newopts; } function _getSizePrec($size) { $fsize = false; $fprec = false; $dotat = strpos($size,'.'); if ($dotat === false) $dotat = strpos($size,','); if ($dotat === false) $fsize = $size; else { $fsize = substr($size,0,$dotat); $fprec = substr($size,$dotat+1); } return array($fsize, $fprec); } /** "Florian Buzin [ easywe ]" This function changes/adds new fields to your table. You don't have to know if the col is new or not. It will check on its own. */ function changeTableSQL($tablename, $flds, $tableoptions = false, $dropOldFlds=false) { global $ADODB_FETCH_MODE; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; if ($this->connection->fetchMode !== false) $savem = $this->connection->setFetchMode(false); // check table exists $save_handler = $this->connection->raiseErrorFn; $this->connection->raiseErrorFn = ''; $cols = $this->metaColumns($tablename); $this->connection->raiseErrorFn = $save_handler; if (isset($savem)) $this->connection->setFetchMode($savem); $ADODB_FETCH_MODE = $save; if ( empty($cols)) { return $this->createTableSQL($tablename, $flds, $tableoptions); } if (is_array($flds)) { // Cycle through the update fields, comparing // existing fields to fields to update. // if the Metatype and size is exactly the // same, ignore - by Mark Newham $holdflds = array(); foreach($flds as $k=>$v) { if ( isset($cols[$k]) && is_object($cols[$k]) ) { // If already not allowing nulls, then don't change $obj = $cols[$k]; if (isset($obj->not_null) && $obj->not_null) $v = str_replace('NOT NULL','',$v); if (isset($obj->auto_increment) && $obj->auto_increment && empty($v['AUTOINCREMENT'])) $v = str_replace('AUTOINCREMENT','',$v); $c = $cols[$k]; $ml = $c->max_length; $mt = $this->metaType($c->type,$ml); if (isset($c->scale)) $sc = $c->scale; else $sc = 99; // always force change if scale not known. if ($sc == -1) $sc = false; list($fsize, $fprec) = $this->_getSizePrec($v['SIZE']); if ($ml == -1) $ml = ''; if ($mt == 'X') $ml = $v['SIZE']; if (($mt != $v['TYPE']) || ($ml != $fsize || $sc != $fprec) || (isset($v['AUTOINCREMENT']) && $v['AUTOINCREMENT'] != $obj->auto_increment)) { $holdflds[$k] = $v; } } else { $holdflds[$k] = $v; } } $flds = $holdflds; } // already exists, alter table instead list($lines,$pkey,$idxs) = $this->_genFields($flds); // genfields can return FALSE at times if ($lines == null) $lines = array(); $alter = 'ALTER TABLE ' . $this->tableName($tablename); $sql = array(); foreach ( $lines as $id => $v ) { if ( isset($cols[$id]) && is_object($cols[$id]) ) { $flds = lens_ParseArgs($v,','); // We are trying to change the size of the field, if not allowed, simply ignore the request. // $flds[1] holds the type, $flds[2] holds the size -postnuke addition if ($flds && in_array(strtoupper(substr($flds[0][1],0,4)),$this->invalidResizeTypes4) && (isset($flds[0][2]) && is_numeric($flds[0][2]))) { if ($this->debug) ADOConnection::outp(sprintf("

%s cannot be changed to %s currently

", $flds[0][0], $flds[0][1])); #echo "

$this->alterCol cannot be changed to $flds currently

"; continue; } $sql[] = $alter . $this->alterCol . ' ' . $v; } else { $sql[] = $alter . $this->addCol . ' ' . $v; } } if ($dropOldFlds) { foreach ( $cols as $id => $v ) if ( !isset($lines[$id]) ) $sql[] = $alter . $this->dropCol . ' ' . $v->name; } return $sql; } } // class