/concrete/libraries/3rdparty/adodb/adodb-datadict.inc.php
PHP | 1032 lines | 1012 code | 4 blank | 16 comment | 1 complexity | d613e338a6d5945ed9c6667b56ee2e77 MD5 | raw file
- <?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 4 for best viewing.
-
- DOCUMENTATION:
-
- See adodb/tests/test-datadict.php for docs and examples.
- */
- /*
- Test script for parser
- */
- // security - hide paths
- if (!defined('ADODB_DIR')) die();
- function Lens_ParseTest()
- {
- $str = "`zcol ACOL` NUMBER(32,2) DEFAULT 'The \"cow\" (and Jim''s dog) jumps over the moon' PRIMARY, INTI INT AUTO DEFAULT 0, zcol2\"afs ds";
- print "<p>$str</p>";
- $a= Lens_ParseArgs($str);
- print "<pre>";
- print_r($a);
- print "</pre>";
- }
- if (!function_exists('ctype_alnum')) {
- function ctype_alnum($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 $blobSize = 100; /// any varchar/char field this size or greater is treated as a blob
- /// in other words, we use a text area for editting.
-
- function GetCommentSQL($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 'N';
- }
- 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 DBM's can't do that on there own, you need to supply the complete defintion 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 defintion 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 DBM's 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 $flds='' complete column-defintion-string like for AddColumnSQL, only used by mysql atm., default=''
- * @return array with SQL strings
- */
- function RenameColumnSQL($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) $lines = array();
- list(,$first) = each($lines);
- list(,$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 there own, you need to supply the complete defintion 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 defintion 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) {
- $fld = _array_change_key_case($fld);
-
- $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 = '';
- $funiqueindex = false;
-
- //-----------------
- // Parse attributes
- foreach($fld as $attr => $v) {
- if ($attr == 2 && is_numeric($v)) $attr = 'SIZE';
- else if (is_numeric($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;
- } //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, $fprec);
-
- if ($ty == 'X' || $ty == 'X2' || $ty == 'B') $fnotnull = false; // some blob types do not accept nulls
-
- if ($fprimary) $pkey[] = $fname;
-
- // some databases do not allow blobs to have defaults
- if ($ty == 'X') $fdefault = false;
-
- // build list of indexes
- if ($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, $fprec)
- {
- if (strlen($fsize) && $ty != 'X' && $ty != 'B' && strpos($ftype,'(') === false) {
- $ftype .= "(".$fsize;
- if (strlen($fprec)) $ftype .= ",".$fprec;
- $ftype .= ')';
- }
- 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, $fprec);
- }
-
- /**
- "Florian Buzin [ easywe ]" <florian.buzin#easywe.de>
-
- This function changes/adds new fields to your table. You don't
- have to know if the col is new or not. It will check on its own.
- */
- function ChangeTableSQL($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("<h3>%s cannot be changed to %s currently</h3>", $flds[0][0], $flds[0][1]));
- #echo "<h3>$this->alterCol cannot be changed to $flds currently</h3>";
- 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
- ?>