1074 lines
27 KiB
PHP
1074 lines
27 KiB
PHP
<?php
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/**
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V4.65 22 July 2005 (c) 2000-2005 John Lim (jlim@natsoft.com.my). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 4 for best viewing.
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DOCUMENTATION:
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See adodb/tests/test-datadict.php for docs and examples.
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Modified 3 October, 2005 for use with ADOdb Lite by Mark Dickenson
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*/
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/*
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Test script for parser
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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if (!function_exists('ctype_alnum')) {
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function ctype_alnum($text) {
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return preg_match('/^[a-z0-9]*$/i', $text);
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}
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}
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function _array_change_key_case($an_array)
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{
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if (is_array($an_array)) {
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$new_array = array();
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foreach($an_array as $key=>$value)
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$new_array[strtoupper($key)] = $value;
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return $new_array;
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}
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return $an_array;
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}
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/**
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Parse arguments, treat "text" (text) and 'text' as quotation marks.
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To escape, use "" or '' or ))
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Will read in "abc def" sans quotes, as: abc def
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Same with 'abc def'.
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However if `abc def`, then will read in as `abc def`
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@param endstmtchar Character that indicates end of statement
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@param tokenchars Include the following characters in tokens apart from A-Z and 0-9
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@returns 2 dimensional array containing parsed tokens.
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*/
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function Lens_ParseArgs($args,$endstmtchar=',',$tokenchars='_.-')
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{
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$pos = 0;
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$intoken = false;
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$stmtno = 0;
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$endquote = false;
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$tokens = array();
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$tokens[$stmtno] = array();
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$max = strlen($args);
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$quoted = false;
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while ($pos < $max) {
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$ch = substr($args,$pos,1);
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switch($ch) {
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case ' ':
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case "\t":
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case "\n":
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case "\r":
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if (!$quoted) {
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if ($intoken) {
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$intoken = false;
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$tokens[$stmtno][] = implode('',$tokarr);
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}
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break;
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}
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$tokarr[] = $ch;
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break;
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case '`':
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if ($intoken) $tokarr[] = $ch;
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case '(':
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case ')':
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case '"':
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case "'":
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if ($intoken) {
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if (empty($endquote)) {
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$tokens[$stmtno][] = implode('',$tokarr);
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if ($ch == '(') $endquote = ')';
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else $endquote = $ch;
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$quoted = true;
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$intoken = true;
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$tokarr = array();
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} else if ($endquote == $ch) {
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$ch2 = substr($args,$pos+1,1);
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if ($ch2 == $endquote) {
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$pos += 1;
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$tokarr[] = $ch2;
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} else {
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$quoted = false;
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$intoken = false;
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$tokens[$stmtno][] = implode('',$tokarr);
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$endquote = '';
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}
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} else
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$tokarr[] = $ch;
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}else {
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if ($ch == '(') $endquote = ')';
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else $endquote = $ch;
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$quoted = true;
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$intoken = true;
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$tokarr = array();
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if ($ch == '`') $tokarr[] = '`';
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}
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break;
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default:
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if (!$intoken) {
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if ($ch == $endstmtchar) {
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$stmtno += 1;
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$tokens[$stmtno] = array();
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break;
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}
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$intoken = true;
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$quoted = false;
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$endquote = false;
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$tokarr = array();
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}
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if ($quoted) $tokarr[] = $ch;
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else if (ctype_alnum($ch) || strpos($tokenchars,$ch) !== false) $tokarr[] = $ch;
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else {
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if ($ch == $endstmtchar) {
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$tokens[$stmtno][] = implode('',$tokarr);
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$stmtno += 1;
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$tokens[$stmtno] = array();
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$intoken = false;
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$tokarr = array();
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break;
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}
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$tokens[$stmtno][] = implode('',$tokarr);
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$tokens[$stmtno][] = $ch;
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$intoken = false;
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}
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}
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$pos += 1;
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}
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if ($intoken) $tokens[$stmtno][] = implode('',$tokarr);
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return $tokens;
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}
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class ADODB_DataDict {
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var $connection;
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var $debug = false;
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var $dropTable = 'DROP TABLE %s';
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var $renameTable = 'RENAME TABLE %s TO %s';
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var $dropIndex = 'DROP INDEX %s';
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var $addCol = ' ADD';
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var $alterCol = ' ALTER COLUMN';
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var $dropCol = ' DROP COLUMN';
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var $renameColumn = 'ALTER TABLE %s RENAME COLUMN %s TO %s'; // table, old-column, new-column, column-definitions (not used by default)
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var $nameRegex = '\w';
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var $nameRegexBrackets = 'a-zA-Z0-9_\(\)';
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var $schema = false;
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var $serverInfo = array();
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var $autoIncrement = false;
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var $invalidResizeTypes4 = array('CLOB','BLOB','TEXT','DATE','TIME'); // for changetablesql
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var $blobSize = 100; /// any varchar/char field this size or greater is treated as a blob
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/// in other words, we use a text area for editting.
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var $metaTablesSQL;
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var $metaColumnsSQL;
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var $debug_echo = true;
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var $fetchMode;
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var $raiseErrorFn;
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function SetFetchMode($mode)
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{
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GLOBAL $ADODB_FETCH_MODE;
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$old = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = $mode;
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return $old;
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}
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function outp($text)
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{
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$this->debug_output = "<br>\n(" . $this->dbtype . "): ".htmlspecialchars($text)."<br>\n";
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if($this->debug_echo)
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echo $this->debug_output;
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}
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function GetCommentSQL($table,$col)
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{
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return false;
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}
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function SetCommentSQL($table,$col,$cmt)
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{
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return false;
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}
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/**
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* @param ttype can either be 'VIEW' or 'TABLE' or false.
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* If false, both views and tables are returned.
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* "VIEW" returns only views
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* "TABLE" returns only tables
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* @param showSchema returns the schema/user with the table name, eg. USER.TABLE
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* @param mask is the input mask - only supported by oci8 and postgresql
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*
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* @return array of tables for current database.
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*/
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function MetaTables()
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{
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global $ADODB_FETCH_MODE;
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$false = false;
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if ($mask) {
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return $false;
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}
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if ($this->metaTablesSQL) {
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
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$rs = $this->Execute($this->metaTablesSQL);
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if (isset($savem)) $this->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if ($rs === false) return $false;
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$arr =& $rs->GetArray();
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$arr2 = array();
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if ($hast = ($ttype && isset($arr[0][1]))) {
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$showt = strncmp($ttype,'T',1);
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}
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for ($i=0; $i < sizeof($arr); $i++) {
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if ($hast) {
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if ($showt == 0) {
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if (strncmp($arr[$i][1],'T',1) == 0) $arr2[] = trim($arr[$i][0]);
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} else {
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if (strncmp($arr[$i][1],'V',1) == 0) $arr2[] = trim($arr[$i][0]);
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}
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} else
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$arr2[] = trim($arr[$i][0]);
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}
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$rs->Close();
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return $arr2;
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}
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return $false;
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}
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/**
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* List columns in a database as an array of ADOFieldObjects.
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* See top of file for definition of object.
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*
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* @param table table name to query
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* @param upper uppercase table name (required by some databases)
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* @schema is optional database schema to use - not supported by all databases.
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*
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* @return array of ADOFieldObjects for current table.
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*/
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function MetaColumns($table, $upper=true, $schema=false)
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{
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global $ADODB_FETCH_MODE;
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$false = false;
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if (!empty($this->metaColumnsSQL)) {
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$schema = false;
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$this->_findschema($table,$schema);
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$save = $ADODB_FETCH_MODE;
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$ADODB_FETCH_MODE = ADODB_FETCH_NUM;
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if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
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$stmt = $this->connection->query(sprintf($this->metaColumnsSQL,($upper)?strtoupper($table):$table));
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if (isset($savem)) $this->SetFetchMode($savem);
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$ADODB_FETCH_MODE = $save;
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if ($stmt === false)
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return $false;
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$retarr = array();
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while ($rs = $stmt->fetch(PDO::FETCH_NUM)) {
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$fld = new ADOFieldObject();
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$fld->name = $rs[0];
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$fld->type = $rs[1];
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if (isset($rs[3]) && $rs[3]) {
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if ($rs[3]>0) $fld->max_length = $rs[3];
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$fld->scale = $rs[4];
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if ($fld->scale>0) $fld->max_length += 1;
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} else
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$fld->max_length = $rs[2];
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if ($ADODB_FETCH_MODE == ADODB_FETCH_NUM) $retarr[] = $fld;
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else $retarr[strtoupper($fld->name)] = $fld;
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}
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$stmt->closeCursor();
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return $retarr;
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}
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return $false;
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}
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function _findschema(&$table,&$schema)
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{
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if (!$schema && ($at = strpos($table,'.')) !== false) {
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$schema = substr($table,0,$at);
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$table = substr($table,$at+1);
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}
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}
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/**
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* @returns an array with the primary key columns in it.
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*/
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function MetaPrimaryKeys($tab,$owner=false,$intkey=false)
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{
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// owner not used in base class - see oci8
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$p = array();
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$objs =& $this->MetaColumns($table);
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if ($objs) {
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foreach($objs as $v) {
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if (!empty($v->primary_key))
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$p[] = $v->name;
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}
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}
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if (sizeof($p)) return $p;
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if (function_exists('ADODB_VIEW_PRIMARYKEYS'))
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return ADODB_VIEW_PRIMARYKEYS($this->databaseType, $this->database, $table, $owner);
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return false;
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}
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/**
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* List indexes on a table as an array.
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* @param table table name to query
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* @param primary true to only show primary keys. Not actually used for most databases
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*
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* @return array of indexes on current table. Each element represents an index, and is itself an associative array.
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Array (
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[name_of_index] => Array
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(
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[unique] => true or false
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[columns] => Array
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(
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[0] => firstname
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[1] => lastname
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)
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)
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*/
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function MetaIndexes($table, $primary = false, $owner = false)
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{
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$false = false;
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return $false;
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}
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function MetaType($t,$len=-1,$fieldobj=false)
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{
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if (is_object($t)) {
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$fieldobj = $t;
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$t = $fieldobj->type;
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$len = $fieldobj->max_length;
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}
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// changed in 2.32 to hashing instead of switch stmt for speed...
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static $typeMap = array(
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'VARCHAR' => 'C',
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'VARCHAR2' => 'C',
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'CHAR' => 'C',
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'C' => 'C',
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'STRING' => 'C',
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'NCHAR' => 'C',
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'NVARCHAR' => 'C',
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'VARYING' => 'C',
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'BPCHAR' => 'C',
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'CHARACTER' => 'C',
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'INTERVAL' => 'C', # Postgres
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##
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'LONGCHAR' => 'X',
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'TEXT' => 'X',
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'NTEXT' => 'X',
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'M' => 'X',
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'X' => 'X',
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'CLOB' => 'X',
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'NCLOB' => 'X',
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'LVARCHAR' => 'X',
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##
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'BLOB' => 'B',
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'IMAGE' => 'B',
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'BINARY' => 'B',
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'VARBINARY' => 'B',
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'LONGBINARY' => 'B',
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'B' => 'B',
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##
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'YEAR' => 'D', // mysql
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'DATE' => 'D',
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'D' => 'D',
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##
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'TIME' => 'T',
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'TIMESTAMP' => 'T',
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'DATETIME' => 'T',
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'TIMESTAMPTZ' => 'T',
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'T' => 'T',
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##
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'BOOL' => 'L',
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'BOOLEAN' => 'L',
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'BIT' => 'L',
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'L' => 'L',
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##
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'COUNTER' => 'R',
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'R' => 'R',
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'SERIAL' => 'R', // ifx
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'INT IDENTITY' => 'R',
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##
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'INT' => 'I',
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'INT2' => 'I',
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'INT4' => 'I',
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'INT8' => 'I',
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'INTEGER' => 'I',
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'INTEGER UNSIGNED' => 'I',
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'SHORT' => 'I',
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'TINYINT' => 'I',
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'SMALLINT' => 'I',
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'I' => 'I',
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##
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'LONG' => 'N', // interbase is numeric, oci8 is blob
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'BIGINT' => 'N', // this is bigger than PHP 32-bit integers
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'DECIMAL' => 'N',
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'DEC' => 'N',
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'REAL' => 'N',
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'DOUBLE' => 'N',
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'DOUBLE PRECISION' => 'N',
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'SMALLFLOAT' => 'N',
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'FLOAT' => 'N',
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'NUMBER' => 'N',
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'NUM' => 'N',
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'NUMERIC' => 'N',
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'MONEY' => 'N',
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## informix 9.2
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'SQLINT' => 'I',
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'SQLSERIAL' => 'I',
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'SQLSMINT' => 'I',
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'SQLSMFLOAT' => 'N',
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'SQLFLOAT' => 'N',
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'SQLMONEY' => 'N',
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'SQLDECIMAL' => 'N',
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'SQLDATE' => 'D',
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'SQLVCHAR' => 'C',
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'SQLCHAR' => 'C',
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'SQLDTIME' => 'T',
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'SQLINTERVAL' => 'N',
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'SQLBYTES' => 'B',
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'SQLTEXT' => 'X'
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);
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$tmap = false;
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$t = strtoupper($t);
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$tmap = (isset($typeMap[$t])) ? $typeMap[$t] : 'N';
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switch ($tmap) {
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case 'C':
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// is the char field is too long, return as text field...
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if ($this->blobSize >= 0) {
|
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if ($len > $this->blobSize) return 'X';
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} else if ($len > 250) {
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return 'X';
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}
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return 'C';
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case 'I':
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if (!empty($fieldobj->primary_key)) return 'R';
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return 'I';
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case false:
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return 'N';
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case 'B':
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if (isset($fieldobj->binary))
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return ($fieldobj->binary) ? 'B' : 'X';
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return 'B';
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case 'D':
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if (!empty($this->datetime)) return 'T';
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return 'D';
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default:
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if ($t == 'LONG' && $this->dataProvider == 'oci8') return 'B';
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return $tmap;
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}
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}
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|
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function NameQuote($name = NULL,$allowBrackets=false)
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{
|
|
if (!is_string($name)) {
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return FALSE;
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|
}
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$name = trim($name);
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|
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if ( !is_object($this->connection) ) {
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return $name;
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}
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|
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$quote = "'";
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// if name is of the form `name`, quote it
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if ( preg_match('/^`(.+)`$/', $name, $matches) ) {
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return $quote . $matches[1] . $quote;
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}
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|
|
|
// if name contains special characters, quote it
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$regex = ($allowBrackets) ? $this->nameRegexBrackets : $this->nameRegex;
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|
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if ( !preg_match('/^[' . $regex . ']+$/', $name) ) {
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return $quote . $name . $quote;
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}
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return $name;
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}
|
|
|
|
function TableName($name)
|
|
{
|
|
if ( $this->schema ) {
|
|
return $this->NameQuote($this->schema) .'.'. $this->NameQuote($name);
|
|
}
|
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return $this->NameQuote($name);
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|
}
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|
|
|
// 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) $this->outp($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) = $this->_GenFields($flds);
|
|
$alter = 'ALTER TABLE ' . $tabname . $this->addCol . ' ';
|
|
foreach($lines as $v) {
|
|
$sql[] = $alter . $v;
|
|
}
|
|
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) = $this->_GenFields($flds);
|
|
$alter = 'ALTER TABLE ' . $tabname . $this->alterCol . ' ';
|
|
foreach($lines as $v) {
|
|
$sql[] = $alter . $v;
|
|
}
|
|
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) = $this->_GenFields($flds);
|
|
list(,$first) = each($lines);
|
|
list(,$column_def) = split("[\t ]+",$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, $tableoptions=false)
|
|
{
|
|
if (!$tableoptions) $tableoptions = array();
|
|
|
|
list($lines,$pkey) = $this->_GenFields($flds, true);
|
|
|
|
$taboptions = $this->_Options($tableoptions);
|
|
$tabname = $this->TableName ($tabname);
|
|
$sql = $this->_TableSQL($tabname,$lines,$pkey,$taboptions);
|
|
$tsql = $this->_Triggers($tabname,$taboptions);
|
|
foreach($tsql as $s) $sql[] = $s;
|
|
|
|
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 'CONSTRAINT':
|
|
case 'DEFAULT':
|
|
$hasparam = $token;
|
|
break;
|
|
default:
|
|
if ($hasparam) $f1[$hasparam] = $token;
|
|
else $f1[] = $token;
|
|
$hasparam = false;
|
|
break;
|
|
}
|
|
}
|
|
$flds[] = $f1;
|
|
|
|
}
|
|
}
|
|
$this->autoIncrement = false;
|
|
$lines = array();
|
|
$pkey = array();
|
|
foreach($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;
|
|
$funsigned = false;
|
|
|
|
//-----------------
|
|
// Parse attributes
|
|
foreach($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':
|
|
case 'PRIMARY':
|
|
$fprimary = $v;
|
|
$fnotnull = 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 = $v;
|
|
break;
|
|
}
|
|
}
|
|
|
|
//--------------------
|
|
// VALIDATE FIELD INFO
|
|
if (!strlen($fname)) {
|
|
if ($this->debug) $this->outp("Undefined NAME");
|
|
return false;
|
|
}
|
|
|
|
$fid = strtoupper(preg_replace('/^`(.+)`$/', '$1', $fname));
|
|
$fname = $this->NameQuote($fname);
|
|
|
|
if (!strlen($ftype)) {
|
|
if ($this->debug) $this->outp("Undefined TYPE for field '$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') $fdefault = false;
|
|
|
|
//--------------------
|
|
// CONSTRUCT FIELD SQL
|
|
if ($fdefts) {
|
|
if (substr($this->dbtype,0,5) == 'mysql') {
|
|
$ftype = 'TIMESTAMP';
|
|
} else {
|
|
$fdefault = $this->connection->sysTimeStamp;
|
|
}
|
|
} else if ($fdefdate) {
|
|
if (substr($this->dbtype,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($fdefault)))
|
|
if (strlen($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);
|
|
|
|
if ($widespacing) $fname = str_pad($fname,24);
|
|
$lines[$fid] = $fname.' '.$ftype.$suffix;
|
|
|
|
if ($fautoinc) $this->autoIncrement = true;
|
|
} // foreach $flds
|
|
return array($lines,$pkey);
|
|
}
|
|
|
|
/*
|
|
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 = null)
|
|
{
|
|
$suffix = '';
|
|
if (strlen($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 $newopts;
|
|
}
|
|
|
|
/*
|
|
"Florian Buzin [ easywe ]" <florian.buzin#easywe.de>
|
|
|
|
This function changes/adds new fields to your table. You don't
|
|
have to know if the col is new or not. It will check on its own.
|
|
*/
|
|
|
|
function ChangeTableSQL($tablename, $flds, $tableoptions = false)
|
|
{
|
|
global $ADODB_FETCH_MODE;
|
|
$save = $ADODB_FETCH_MODE;
|
|
$ADODB_FETCH_MODE = ADODB_FETCH_ASSOC;
|
|
if ($this->fetchMode !== false) $savem = $this->SetFetchMode(false);
|
|
|
|
// check table exists
|
|
$save_handler = $this->raiseErrorFn;
|
|
$this->raiseErrorFn = '';
|
|
$cols = $this->MetaColumns($tablename);
|
|
$this->raiseErrorFn = $save_handler;
|
|
|
|
if (isset($savem)) $this->SetFetchMode($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]) ) {
|
|
$c = $cols[$k];
|
|
$ml = $c->max_length;
|
|
$mt = &$this->MetaType($c->type,$ml);
|
|
if ($ml == -1) $ml = '';
|
|
if ($mt == 'X') $ml = $v['SIZE'];
|
|
if (($mt != $v['TYPE']) || $ml != $v['SIZE']) {
|
|
$holdflds[$k] = $v;
|
|
}
|
|
} else {
|
|
$holdflds[$k] = $v;
|
|
}
|
|
}
|
|
$flds = $holdflds;
|
|
}
|
|
|
|
// already exists, alter table instead
|
|
list($lines,$pkey) = $this->_GenFields($flds);
|
|
$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.
|
|
if ($flds && in_array(strtoupper(substr($flds[0][1],0,4)),$this->invalidResizeTypes4)) continue;
|
|
|
|
$sql[] = $alter . $this->alterCol . ' ' . $v;
|
|
} else {
|
|
$sql[] = $alter . $this->addCol . ' ' . $v;
|
|
}
|
|
}
|
|
return $sql;
|
|
}
|
|
}
|
|
|
|
|