adding zend project folders into old campcaster.
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library/propel/generator/lib/reverse/mysql/MysqlSchemaParser.php
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library/propel/generator/lib/reverse/mysql/MysqlSchemaParser.php
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<?php
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/**
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* This file is part of the Propel package.
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @license MIT License
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*/
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require_once 'reverse/BaseSchemaParser.php';
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/**
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* Mysql database schema parser.
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*
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* @author Hans Lellelid <hans@xmpl.org>
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* @version $Revision: 1612 $
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* @package propel.generator.reverse.mysql
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*/
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class MysqlSchemaParser extends BaseSchemaParser
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{
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/**
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* @var boolean
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*/
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private $addVendorInfo = false;
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/**
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* Map MySQL native types to Propel types.
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* @var array
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*/
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private static $mysqlTypeMap = array(
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'tinyint' => PropelTypes::TINYINT,
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'smallint' => PropelTypes::SMALLINT,
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'mediumint' => PropelTypes::SMALLINT,
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'int' => PropelTypes::INTEGER,
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'integer' => PropelTypes::INTEGER,
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'bigint' => PropelTypes::BIGINT,
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'int24' => PropelTypes::BIGINT,
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'real' => PropelTypes::REAL,
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'float' => PropelTypes::FLOAT,
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'decimal' => PropelTypes::DECIMAL,
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'numeric' => PropelTypes::NUMERIC,
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'double' => PropelTypes::DOUBLE,
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'char' => PropelTypes::CHAR,
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'varchar' => PropelTypes::VARCHAR,
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'date' => PropelTypes::DATE,
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'time' => PropelTypes::TIME,
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'year' => PropelTypes::INTEGER,
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'datetime' => PropelTypes::TIMESTAMP,
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'timestamp' => PropelTypes::TIMESTAMP,
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'tinyblob' => PropelTypes::BINARY,
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'blob' => PropelTypes::BLOB,
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'mediumblob' => PropelTypes::BLOB,
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'longblob' => PropelTypes::BLOB,
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'longtext' => PropelTypes::CLOB,
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'tinytext' => PropelTypes::VARCHAR,
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'mediumtext' => PropelTypes::LONGVARCHAR,
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'text' => PropelTypes::LONGVARCHAR,
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'enum' => PropelTypes::CHAR,
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'set' => PropelTypes::CHAR,
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);
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/**
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* Gets a type mapping from native types to Propel types
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*
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* @return array
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*/
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protected function getTypeMapping()
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{
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return self::$mysqlTypeMap;
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}
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/**
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*
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*/
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public function parse(Database $database, PDOTask $task = null)
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{
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$this->addVendorInfo = $this->getGeneratorConfig()->getBuildProperty('addVendorInfo');
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$stmt = $this->dbh->query("SHOW TABLES");
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// First load the tables (important that this happen before filling out details of tables)
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$tables = array();
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$task->log("Reverse Engineering Tables");
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while ($row = $stmt->fetch(PDO::FETCH_NUM)) {
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$name = $row[0];
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$task->log(" Adding table '" . $name . "'");
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$table = new Table($name);
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$database->addTable($table);
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$tables[] = $table;
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}
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// Now populate only columns.
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$task->log("Reverse Engineering Columns");
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foreach ($tables as $table) {
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$task->log(" Adding columns for table '" . $table->getName() . "'");
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$this->addColumns($table);
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}
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// Now add indices and constraints.
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$task->log("Reverse Engineering Indices And Constraints");
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foreach ($tables as $table) {
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$task->log(" Adding indices and constraints for table '" . $table->getName() . "'");
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$this->addForeignKeys($table);
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$this->addIndexes($table);
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$this->addPrimaryKey($table);
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if ($this->addVendorInfo) {
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$this->addTableVendorInfo($table);
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}
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}
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return count($tables);
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}
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/**
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* Adds Columns to the specified table.
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*
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* @param Table $table The Table model class to add columns to.
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*/
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protected function addColumns(Table $table)
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{
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$stmt = $this->dbh->query("SHOW COLUMNS FROM `" . $table->getName() . "`");
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while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
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$name = $row['Field'];
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$is_nullable = ($row['Null'] == 'YES');
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$autoincrement = (strpos($row['Extra'], 'auto_increment') !== false);
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$size = null;
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$precision = null;
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$scale = null;
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if (preg_match('/^(\w+)[\(]?([\d,]*)[\)]?( |$)/', $row['Type'], $matches)) {
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// colname[1] size/precision[2]
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$nativeType = $matches[1];
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if ($matches[2]) {
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if ( ($cpos = strpos($matches[2], ',')) !== false) {
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$size = (int) substr($matches[2], 0, $cpos);
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$precision = $size;
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$scale = (int) substr($matches[2], $cpos + 1);
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} else {
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$size = (int) $matches[2];
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}
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}
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} elseif (preg_match('/^(\w+)\(/', $row['Type'], $matches)) {
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$nativeType = $matches[1];
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} else {
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$nativeType = $row['Type'];
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}
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//BLOBs can't have any default values in MySQL
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$default = preg_match('~blob|text~', $nativeType) ? null : $row['Default'];
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$propelType = $this->getMappedPropelType($nativeType);
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if (!$propelType) {
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$propelType = Column::DEFAULT_TYPE;
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$this->warn("Column [" . $table->getName() . "." . $name. "] has a column type (".$nativeType.") that Propel does not support.");
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}
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$column = new Column($name);
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$column->setTable($table);
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$column->setDomainForType($propelType);
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// We may want to provide an option to include this:
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// $column->getDomain()->replaceSqlType($type);
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$column->getDomain()->replaceSize($size);
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$column->getDomain()->replaceScale($scale);
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if ($default !== null) {
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if (in_array($default, array('CURRENT_TIMESTAMP'))) {
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$type = ColumnDefaultValue::TYPE_EXPR;
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} else {
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$type = ColumnDefaultValue::TYPE_VALUE;
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}
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$column->getDomain()->setDefaultValue(new ColumnDefaultValue($default, $type));
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}
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$column->setAutoIncrement($autoincrement);
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$column->setNotNull(!$is_nullable);
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if ($this->addVendorInfo) {
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$vi = $this->getNewVendorInfoObject($row);
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$column->addVendorInfo($vi);
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}
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$table->addColumn($column);
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}
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} // addColumn()
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/**
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* Load foreign keys for this table.
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*/
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protected function addForeignKeys(Table $table)
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{
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$database = $table->getDatabase();
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$stmt = $this->dbh->query("SHOW CREATE TABLE `" . $table->getName(). "`");
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$row = $stmt->fetch(PDO::FETCH_NUM);
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$foreignKeys = array(); // local store to avoid duplicates
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// Get the information on all the foreign keys
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$regEx = '/CONSTRAINT `([^`]+)` FOREIGN KEY \((.+)\) REFERENCES `([^`]*)` \((.+)\)(.*)/';
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if (preg_match_all($regEx,$row[1],$matches)) {
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$tmpArray = array_keys($matches[0]);
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foreach ($tmpArray as $curKey) {
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$name = $matches[1][$curKey];
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$rawlcol = $matches[2][$curKey];
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$ftbl = $matches[3][$curKey];
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$rawfcol = $matches[4][$curKey];
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$fkey = $matches[5][$curKey];
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$lcols = array();
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foreach(preg_split('/`, `/', $rawlcol) as $piece) {
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$lcols[] = trim($piece, '` ');
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}
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$fcols = array();
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foreach(preg_split('/`, `/', $rawfcol) as $piece) {
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$fcols[] = trim($piece, '` ');
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}
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//typical for mysql is RESTRICT
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$fkactions = array(
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'ON DELETE' => ForeignKey::RESTRICT,
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'ON UPDATE' => ForeignKey::RESTRICT,
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);
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if ($fkey) {
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//split foreign key information -> search for ON DELETE and afterwords for ON UPDATE action
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foreach (array_keys($fkactions) as $fkaction) {
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$result = NULL;
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preg_match('/' . $fkaction . ' (' . ForeignKey::CASCADE . '|' . ForeignKey::SETNULL . ')/', $fkey, $result);
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if ($result && is_array($result) && isset($result[1])) {
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$fkactions[$fkaction] = $result[1];
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}
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}
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}
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$localColumns = array();
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$foreignColumns = array();
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$foreignTable = $database->getTable($ftbl);
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foreach($fcols as $fcol) {
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$foreignColumns[] = $foreignTable->getColumn($fcol);
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}
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foreach($lcols as $lcol) {
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$localColumns[] = $table->getColumn($lcol);
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}
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if (!isset($foreignKeys[$name])) {
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$fk = new ForeignKey($name);
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$fk->setForeignTableName($foreignTable->getName());
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$fk->setOnDelete($fkactions['ON DELETE']);
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$fk->setOnUpdate($fkactions['ON UPDATE']);
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$table->addForeignKey($fk);
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$foreignKeys[$name] = $fk;
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}
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for($i=0; $i < count($localColumns); $i++) {
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$foreignKeys[$name]->addReference($localColumns[$i], $foreignColumns[$i]);
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}
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}
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}
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}
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/**
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* Load indexes for this table
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*/
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protected function addIndexes(Table $table)
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{
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$stmt = $this->dbh->query("SHOW INDEX FROM `" . $table->getName() . "`");
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// Loop through the returned results, grouping the same key_name together
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// adding each column for that key.
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$indexes = array();
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while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
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$colName = $row["Column_name"];
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$name = $row["Key_name"];
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if ($name == "PRIMARY") {
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continue;
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}
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if (!isset($indexes[$name])) {
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$isUnique = ($row["Non_unique"] == 0);
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if ($isUnique) {
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$indexes[$name] = new Unique($name);
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} else {
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$indexes[$name] = new Index($name);
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}
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if ($this->addVendorInfo) {
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$vi = $this->getNewVendorInfoObject($row);
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$indexes[$name]->addVendorInfo($vi);
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}
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$table->addIndex($indexes[$name]);
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}
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$indexes[$name]->addColumn($table->getColumn($colName));
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}
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}
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/**
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* Loads the primary key for this table.
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*/
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protected function addPrimaryKey(Table $table)
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{
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$stmt = $this->dbh->query("SHOW KEYS FROM `" . $table->getName() . "`");
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// Loop through the returned results, grouping the same key_name together
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// adding each column for that key.
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while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
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// Skip any non-primary keys.
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if ($row['Key_name'] !== 'PRIMARY') {
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continue;
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}
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$name = $row["Column_name"];
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$table->getColumn($name)->setPrimaryKey(true);
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}
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}
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/**
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* Adds vendor-specific info for table.
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*
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* @param Table $table
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*/
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protected function addTableVendorInfo(Table $table)
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{
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$stmt = $this->dbh->query("SHOW TABLE STATUS LIKE '" . $table->getName() . "'");
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$row = $stmt->fetch(PDO::FETCH_ASSOC);
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$vi = $this->getNewVendorInfoObject($row);
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$table->addVendorInfo($vi);
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}
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}
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