diff options
Diffstat (limited to 'framework/Testing/Data/Schema/mssql/TMssqlSchema.php')
-rwxr-xr-x | framework/Testing/Data/Schema/mssql/TMssqlSchema.php | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/framework/Testing/Data/Schema/mssql/TMssqlSchema.php b/framework/Testing/Data/Schema/mssql/TMssqlSchema.php deleted file mode 100755 index d728a6ce..00000000 --- a/framework/Testing/Data/Schema/mssql/TMssqlSchema.php +++ /dev/null @@ -1,313 +0,0 @@ -<?php -/** - * TMssqlSchema class file. - * - * @author Qiang Xue <qiang.xue@gmail.com> - * @author Christophe Boulain <Christophe.Boulain@gmail.com> - * @link http://www.yiiframework.com/ - * @copyright Copyright © 2008-2009 Yii Software LLC - * @license http://www.yiiframework.com/license/ - */ - -prado::using('System.Testing.Data.Schema.TDbSchema'); -prado::using('System.Testing.Data.Schema.mssql.*'); - -/** - * TMssqlSchema is the class for retrieving metadata information from a MS SQL Server database. - * - * @author Qiang Xue <qiang.xue@gmail.com> - * @author Christophe Boulain <Christophe.Boulain@gmail.com> - * @version $Id: TMssqlSchema.php 2679 2009-06-15 07:49:42Z Christophe.Boulain $ - * @package System.Testing.Data.Schema.mssql - * @since 1.0.4 - */ -class TMssqlSchema extends TDbSchema -{ - const DEFAULT_SCHEMA='dbo'; - - - /** - * Quotes a table name for use in a query. - * @param string table name - * @return string the properly quoted table name - */ - public function quoteTableName($name) - { - if (strpos($name,'.')===false) - return '['.$name.']'; - $names=explode('.',$name); - foreach ($names as &$n) - $n = '['.$n.']'; - return implode('.',$names); - } - - /** - * Quotes a column name for use in a query. - * @param string column name - * @return string the properly quoted column name - */ - public function quoteColumnName($name) - { - return '['.$name.']'; - } - - /** - * Compares two table names. - * The table names can be either quoted or unquoted. This method - * will consider both cases. - * @param string table name 1 - * @param string table name 2 - * @return boolean whether the two table names refer to the same table. - */ - public function compareTableNames($name1,$name2) - { - $name1=str_replace(array('[',']'),'',$name1); - $name1=str_replace(array('[',']'),'',$name2); - return parent::compareTableNames(strtolower($name1),strtolower($name2)); - } - - /** - * Creates a table instance representing the metadata for the named table. - * @return CMysqlTableSchema driver dependent table metadata. Null if the table does not exist. - */ - protected function createTable($name) - { - $table=new TMssqlTableSchema; - $this->resolveTableNames($table,$name); - //if (!in_array($table->name, $this->tableNames)) return null; - $table->primaryKey=$this->findPrimaryKey($table); - $table->foreignKeys=$this->findForeignKeys($table); - if($this->findColumns($table)) - { - return $table; - } - else - return null; - } - - /** - * Generates various kinds of table names. - * @param CMysqlTableSchema the table instance - * @param string the unquoted table name - */ - protected function resolveTableNames($table,$name) - { - $parts=explode('.',str_replace(array('[',']'),'',$name)); - if(($c=count($parts))==3) - { - // Catalog name, schema name and table name provided - $table->catalogName=$parts[0]; - $table->schemaName=$parts[1]; - $table->name=$parts[2]; - $table->rawName=$this->quoteTableName($table->catalogName).'.'.$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name); - } - elseif ($c==2) - { - // Only schema name and table name provided - $table->name=$parts[1]; - $table->schemaName=$parts[0]; - $table->rawName=$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name); - } - else - { - // Only the name given, we need to get at least the schema name - //if (empty($this->_schemaNames)) $this->findTableNames(); - $table->name=$parts[0]; - $table->schemaName=self::DEFAULT_SCHEMA; - $table->rawName=$this->quoteTableName($table->schemaName).'.'.$this->quoteTableName($table->name); - } - } - - /** - * Gets the primary key column(s) details for the given table. - * @param TMssqlTableSchema table - * @return mixed primary keys (null if no pk, string if only 1 column pk, or array if composite pk) - */ - protected function findPrimaryKey($table) - { - $kcu='INFORMATION_SCHEMA.KEY_COLUMN_USAGE'; - $tc='INFORMATION_SCHEMA.TABLE_CONSTRAINTS'; - if (isset($table->catalogName)) - { - $kcu=$table->catalogName.'.'.$kcu; - $tc=$table->catalogName.'.'.$tc; - } - - $sql = <<<EOD - SELECT k.column_name field_name - FROM {$this->quoteTableName($kcu)} k - LEFT JOIN {$this->quoteTableName($tc)} c - ON k.table_name = c.table_name - AND k.constraint_name = c.constraint_name - WHERE c.constraint_type ='PRIMARY KEY' - AND k.table_name = :table - AND k.table_schema = :schema -EOD; - $command = $this->getDbConnection()->createCommand($sql); - $command->bindValue(':table', $table->name); - $command->bindValue(':schema', $table->schemaName); - $primary=$command->queryColumn(); - switch (count($primary)) - { - case 0: // No primary key on table - $primary=null; - break; - case 1: // Only 1 primary key - $primary=$primary[0]; - break; - } - return $primary; - } - - /** - * Gets foreign relationship constraint keys and table name - * @param TMssqlTableSchema table - * @return array foreign relationship table name and keys. - */ - protected function findForeignKeys($table) - { - $rc='INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS'; - $kcu='INFORMATION_SCHEMA.KEY_COLUMN_USAGE'; - if (isset($table->catalogName)) - { - $kcu=$table->catalogName.'.'.$kcu; - $rc=$table->catalogName.'.'.$rc; - } - - //From http://msdn2.microsoft.com/en-us/library/aa175805(SQL.80).aspx - $sql = <<<EOD - SELECT - KCU1.CONSTRAINT_NAME AS 'FK_CONSTRAINT_NAME' - , KCU1.TABLE_NAME AS 'FK_TABLE_NAME' - , KCU1.COLUMN_NAME AS 'FK_COLUMN_NAME' - , KCU1.ORDINAL_POSITION AS 'FK_ORDINAL_POSITION' - , KCU2.CONSTRAINT_NAME AS 'UQ_CONSTRAINT_NAME' - , KCU2.TABLE_NAME AS 'UQ_TABLE_NAME' - , KCU2.COLUMN_NAME AS 'UQ_COLUMN_NAME' - , KCU2.ORDINAL_POSITION AS 'UQ_ORDINAL_POSITION' - FROM {$this->quoteTableName($rc)} RC - JOIN {$this->quoteTableName($kcu)} KCU1 - ON KCU1.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG - AND KCU1.CONSTRAINT_SCHEMA = RC.CONSTRAINT_SCHEMA - AND KCU1.CONSTRAINT_NAME = RC.CONSTRAINT_NAME - JOIN {$this->quoteTableName($kcu)} KCU2 - ON KCU2.CONSTRAINT_CATALOG = - RC.UNIQUE_CONSTRAINT_CATALOG - AND KCU2.CONSTRAINT_SCHEMA = - RC.UNIQUE_CONSTRAINT_SCHEMA - AND KCU2.CONSTRAINT_NAME = - RC.UNIQUE_CONSTRAINT_NAME - AND KCU2.ORDINAL_POSITION = KCU1.ORDINAL_POSITION - WHERE KCU1.TABLE_NAME = :table -EOD; - $command = $this->getDbConnection()->createCommand($sql); - $command->bindValue(':table', $table->name); - $fkeys=array(); - foreach($command->queryAll() as $info) - { - $fkeys[$info['FK_COLUMN_NAME']]=array($info['UQ_TABLE_NAME'],$info['UQ_COLUMN_NAME'],); - - } - return $fkeys; - } - - - /** - * Collects the table column metadata. - * @param CMysqlTableSchema the table metadata - * @return boolean whether the table exists in the database - */ - protected function findColumns($table) - { - $where=array(); - $where[]="TABLE_NAME='".$table->name."'"; - if (isset($table->catalogName)) - $where[]="TABLE_CATALOG='".$table->catalogName."'"; - if (isset($table->schemaName)) - $where[]="TABLE_SCHEMA='".$table->schemaName."'"; - $sql="SELECT *, columnproperty(object_id(table_schema+'.'+table_name), column_name, 'IsIdentity') as IsIdentity ". - "FROM INFORMATION_SCHEMA.COLUMNS WHERE ".join(' AND ',$where); - if (($columns=$this->getDbConnection()->createCommand($sql)->queryAll())===array()) - return false; - - foreach($columns as $column) - { - $c=$this->createColumn($column); - if (is_array($table->primaryKey)) - $c->isPrimaryKey=in_array($c->name, $table->primaryKey); - else - $c->isPrimaryKey=strcasecmp($c->name,$table->primaryKey)===0; - - $c->isForeignKey=isset($table->foreignKeys[$c->name]); - $table->columns[$c->name]=$c; - if ($column['IsIdentity']==1 && $table->sequenceName===null) - $table->sequenceName=''; - - } - return true; - } - - /** - * Creates a table column. - * @param array column metadata - * @return TDbColumnSchema normalized column metadata - */ - protected function createColumn($column) - { - $c=new TMssqlColumnSchema; - $c->name=$column['COLUMN_NAME']; - $c->rawName=$this->quoteColumnName($c->name); - $c->allowNull=$column['IS_NULLABLE']=='YES'; - if ($column['NUMERIC_PRECISION_RADIX']!==null) - { - // We have a numeric datatype - $c->size=$c->precision=$column['NUMERIC_PRECISION']!==null?(int)$column['NUMERIC_PRECISION']:null; - $c->scale=$column['NUMERIC_SCALE']!==null?(int)$column['NUMERIC_SCALE']:null; - } - elseif ($column['DATA_TYPE']=='image' || $column['DATA_TYPE']=='text') - $c->size=$c->precision=null; - else - $c->size=$c->precision=($column['CHARACTER_MAXIMUM_LENGTH']!== null)?(int)$column['CHARACTER_MAXIMUM_LENGTH']:null; - - $c->init($column['DATA_TYPE'],$column['COLUMN_DEFAULT']); - return $c; - } - - /** - * Returns all table names in the database. - * @return array all table names in the database. - * @since 1.0.4 - */ - protected function findTableNames($schema='') - { - if($schema==='') - $schema=self::DEFAULT_SCHEMA; - $sql=<<<EOD -SELECT TABLE_NAME, TABLE_SCHEMA FROM [INFORMATION_SCHEMA].[TABLES] -WHERE TABLE_TYPE='BASE TABLE' AND TABLE_SCHEMA=:schema -EOD; - $command=$this->getDbConnection()->createCommand($sql); - $command->bindParameter(":schema", $schema); - $rows=$command->queryAll(); - $names=array(); - foreach ($rows as $row) - { - if ($schema == self::DEFAULT_SCHEMA) - $names[]=$row['TABLE_NAME']; - else - $names[]=$schema.'.'.$row['TABLE_SCHEMA'].'.'.$row['TABLE_NAME']; - } - - return $names; - } - - /** - * Creates a command builder for the database. - * This method overrides parent implementation in order to create a MSSQL specific command builder - * @return TDbCommandBuilder command builder instance - */ - protected function createCommandBuilder() - { - return new TMssqlCommandBuilder($this); - } -} |