diff options
| author | wei <> | 2007-04-14 05:02:29 +0000 |
|---|---|---|
| committer | wei <> | 2007-04-14 05:02:29 +0000 |
| commit | 0f0d3c62e608287cdf77f1a3239371b521ecb40b (patch) | |
| tree | bd91a9499a946e1667a0e17a9c5a97a9d695c7ce /framework/Data/Common | |
| parent | b05442bbe751b87998d8500ad8e6b28d652a35db (diff) | |
Refactor ActiveRecordGateway to use TDataGatewayCommand
Diffstat (limited to 'framework/Data/Common')
17 files changed, 968 insertions, 15 deletions
diff --git a/framework/Data/Common/IbmDb2/TIbmColumnMetaData.php b/framework/Data/Common/IbmDb2/TIbmColumnMetaData.php new file mode 100644 index 00000000..284a5fd2 --- /dev/null +++ b/framework/Data/Common/IbmDb2/TIbmColumnMetaData.php @@ -0,0 +1,157 @@ +<?php
+/**
+ * TIbmColumnMetaData class file.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TIbmColumnMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ */
+
+/**
+ * TIbmColumnMetaData class.
+ *
+ * Column details for IBM DB2 database. Using php_pdo_ibm.dll extension.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @version $Id: TIbmColumnMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ * @since 3.1
+ */
+class TIbmColumnMetaData extends TComponent
+{
+ private $_name;
+ private $_type;
+ private $_length;
+ private $_autoIncrement;
+ private $_default;
+ private $_notNull=true;
+
+ private $_isPrimary=null;
+
+ private $_property;
+
+ /**
+ * Initialize column meta data.
+ *
+ * @param string column name.
+ * @param string column data type.
+ * @param string column data length.
+ * @param boolean column can not be null.
+ * @param string serial name.
+ * @param string default value.
+ */
+ public function __construct($name,$type,$length,$notNull,$autoIncrement,$default,$primary)
+ {
+ $this->_property=$name;
+ $this->_name=$name;
+ $this->_type=$type;
+ $this->_length=$length;
+ $this->_notNull=$notNull;
+ $this->_autoIncrement=$autoIncrement;
+ $this->_default=$default;
+ $this->_isPrimary=$primary;
+ }
+
+ /**
+ * @return string quoted column name.
+ */
+ public function getName()
+ {
+ return $this->_name;
+ }
+
+ /**
+ * @return integer length.
+ */
+ public function getLength()
+ {
+ return $this->_length;
+ }
+
+ /**
+ * @return string active record property name
+ */
+ public function getProperty()
+ {
+ return $this->_property;
+ }
+
+ /**
+ * @return boolean true if column is a sequence, false otherwise.
+ */
+ public function hasSequence()
+ {
+ return $this->_autoIncrement;
+ }
+
+ /**
+ * @return null no sequence name.
+ */
+ public function getSequenceName()
+ {
+ return null;
+ }
+
+ /**
+ * @return boolean true if the column is a primary key, or part of a composite primary key.
+ */
+ public function getIsPrimaryKey()
+ {
+ return $this->_isPrimary;
+ }
+
+ /**
+ * @return string column type
+ */
+ public function getType()
+ {
+ return $this->_type;
+ }
+
+
+ /**
+ * @return boolean false if column can be null, true otherwise.
+ */
+ public function getNotNull()
+ {
+ return $this->_notNull;
+ }
+
+ /**
+ * @return boolean true if column has default value, false otherwise.
+ */
+ public function hasDefault()
+ {
+ return $this->_default !== null;
+ }
+
+ /**
+ * @return string default column value.
+ */
+ public function getDefaultValue()
+ {
+ return $this->_default;
+ }
+
+ /**
+ * @return string PHP primative type derived from the column type.
+ */
+ public function getPHPType()
+ {
+ switch(strtolower($this->_type))
+ {
+ case 'smallint': case 'integer':
+ return 'integer';
+ case 'real': case 'float': case 'double': case 'decimal': case 'bigint':
+ return 'float';
+ default:
+ return 'string';
+ }
+ }
+
+}
+
+?>
\ No newline at end of file diff --git a/framework/Data/Common/IbmDb2/TIbmMetaData.php b/framework/Data/Common/IbmDb2/TIbmMetaData.php new file mode 100644 index 00000000..99df5465 --- /dev/null +++ b/framework/Data/Common/IbmDb2/TIbmMetaData.php @@ -0,0 +1,113 @@ +<?php
+
+/**
+ * TIbmMetaData class file.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TIbmMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ */
+Prado::using('System.Data.ActiveRecord.Vendor.TDbMetaDataCommon');
+
+/**
+ * TIbmMetaData class.
+ *
+ * Column details for IBM DB2 database. Using php_pdo_ibm.dll extension.
+ *
+ * Does not support LIMIT and OFFSET criterias.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @version $Id: TIbmMetaData.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ * @since 3.1
+ */
+class TIbmMetaData extends TDbMetaDataCommon
+{
+ /**
+ * Build the SQL search string from the criteria object for IBM DB2 database.
+ * @param TDbConnection database connection.
+ * @param TActiveRecordCriteria search criteria.
+ * @return string SQL search.
+ */
+ protected function getSqlFromCriteria($conn, $criteria)
+ {
+ if($criteria===null) return '';
+ $sql = '';
+ if(($condition = $criteria->getCondition())!==null)
+ $sql .= ' WHERE '.$condition;
+ $orders=array();
+ foreach($criteria->getOrdersBy() as $by=>$ordering)
+ $orders[] = $this->getOrdering($by, $ordering);
+ if(count($orders) > 0)
+ $sql .= ' ORDER BY '.implode(', ', $orders);
+ //if(($limit = $criteria->getLimit())!==null)
+ //{
+ // $sql .= ' FETCH FIRST '.intval($limit).' ROWS ONLY';
+ //}
+ return strlen($sql) > 0 ? $sql : '';
+ }
+
+ /**
+ * Lowercase the data keys, IBM DB2 returns uppercase column names
+ * @param mixed record row
+ * @return array record row
+ */
+ public function postQueryRow($row)
+ {
+ if(!is_array($row)) return $row;
+ $result=array();
+ foreach($row as $k=>$v)
+ $result[strtolower($k)]=$v;
+ return $result;
+ }
+
+ /**
+ * Lowercase the data keys, IBM DB2 returns uppercase column names
+ * @param mixed record row
+ * @return array record row
+ */
+ public function postQuery($rows)
+ {
+ $data = array();
+ foreach($rows as $k=>$v)
+ $data[$k] = $this->postQueryRow($v);
+ return $data;
+ }
+
+ public function getSearchRegExpCriteria($fields, $keywords)
+ {
+ if(strlen(trim($keywords)) == 0) return '';
+ $words = array();
+ preg_match_all('/([a-zA-Z0-9-+]+)/', $keywords, $words);
+ $result = array();
+ foreach($fields as $field)
+ {
+ $column = $this->getColumn($field);
+ if($this->isSearchableColumn($column))
+ $result[] = $this->getLikeCriteriaStr($column->getName(), $words[0]);
+ }
+ $a = '('.implode(' OR ', $result).')';
+ error_log($a);
+ return '('.implode(' OR ', $result).')';
+ }
+
+ protected function isSearchableColumn($column)
+ {
+ $type = strtolower($column->getType());
+ return $type === 'char' || $type === 'varchar';
+ }
+
+ protected function getLikeCriteriaStr($column, $words)
+ {
+ $result=array();
+ foreach($words as $word)
+ $result[] = "{$column} LIKE '%{$word}%'";
+ return '('.implode(' AND ', $result).')';
+ }
+
+
+}
+?>
\ No newline at end of file diff --git a/framework/Data/Common/IbmDb2/TIbmMetaDataInspector.php b/framework/Data/Common/IbmDb2/TIbmMetaDataInspector.php new file mode 100644 index 00000000..1cd8af95 --- /dev/null +++ b/framework/Data/Common/IbmDb2/TIbmMetaDataInspector.php @@ -0,0 +1,113 @@ +<?php
+/**
+ * TIbmMetaDataInspector class file.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TIbmMetaDataInspector.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ */
+Prado::using('System.Data.ActiveRecord.Vendor.TDbMetaDataInspector');
+Prado::using('System.Data.ActiveRecord.Vendor.TIbmColumnMetaData');
+Prado::using('System.Data.ActiveRecord.Vendor.TIbmMetaData');
+
+/**
+ * TIbmMetaDataInspector class.
+ *
+ * Column details for IBM DB2 database. Using php_pdo_ibm.dll extension.
+ *
+ * @author Cesar Ramos <cramos[at]gmail[dot]com>
+ * @version $Id: TIbmMetaDataInspector.php 1807 2007-03-31 06:42:15Z wei $
+ * @package System.Data.ActiveRecord.Vendor
+ * @since 3.1
+ */
+class TIbmMetaDataInspector extends TDbMetaDataInspector
+{
+ private $_schema;
+
+ /**
+ * @param string default schema.
+ */
+ public function setSchema($schema)
+ {
+ $this->_schema=$schema;
+ }
+
+ /**
+ * @return string default schema.
+ */
+ public function getSchema()
+ {
+ return $this->_schema;
+ }
+ /**
+ * Get the column definitions for given table.
+ * @param string table name.
+ * @return array column name value pairs of column meta data.
+ */
+ protected function getColumnDefinitions($table)
+ {
+ if(count($parts= explode('.', $table)) > 1)
+ {
+ $tablename = $parts[1];
+ $schema = $parts[0];
+ }
+ else
+ {
+ $tablename = $parts[0];
+ $schema = $this->getSchema();
+ }
+ $sql="SELECT * FROM SYSCAT.COLUMNS WHERE TABNAME='".strtoupper($tablename)."'";
+ if ($schema)
+ $sql=$sql." AND TABSCHEMA='".strtoupper($schema)."'";
+
+ $conn = $this->getDbConnection();
+ $conn->setActive(true);
+ $command = $conn->createCommand($sql);
+ $command->prepare();
+ $result=$command->query($sql);
+ foreach ($result as $col)
+ $cols[strtolower($col['COLNAME'])] = $this->getColumnMetaData($col);
+ return $cols;
+ }
+
+ protected function getColumnMetaData($col)
+ {
+ $name = strtolower($col['COLNAME']);
+ $type = $col['TYPENAME'];
+ $length = $col['LENGTH'];
+ $notNull = $col['NULLS']==='N'?1:0;
+ $autoIncrement=$col['IDENTITY']==='Y'?1:0;
+ $default = $col['DEFAULT'];
+ $primaryKey = $col['KEYSEQ']?1:0;
+ return new TIbmColumnMetaData($name,$type,$length,$notNull,$autoIncrement,$default,$primaryKey);
+ }
+
+ /**
+ * Not implemented, IBM does not always have foreign key constraints.
+ */
+ protected function getConstraintKeys($table)
+ {
+ return array('primary'=>array(), 'foreign'=>array());
+ }
+
+ /**
+ * Create a new instance of meta data.
+ * @param string table name
+ * @param array column meta data
+ * @param array primary key meta data
+ * @param array foreign key meta data.
+ * @return TDbMetaData table meta data.
+ */
+ protected function createMetaData($table, $columns, $primary, $foreign)
+ {
+ $pks = array();
+ foreach($columns as $name=>$column)
+ if($column->getIsPrimaryKey())
+ $pks[] = $name;
+ return new TIbmMetaData($table,$columns,$pks);
+ }
+}
+?>
\ No newline at end of file diff --git a/framework/Data/Common/Mssql/TMssqlCommandBuilder.php b/framework/Data/Common/Mssql/TMssqlCommandBuilder.php new file mode 100644 index 00000000..b22c08a5 --- /dev/null +++ b/framework/Data/Common/Mssql/TMssqlCommandBuilder.php @@ -0,0 +1,173 @@ +<?php
+/**
+ * TDbCommandBuilder class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common
+ */
+
+Prado::using('System.Data.Common.TDbCommandBuilder');
+
+/**
+ * TDbCommandBuilder provides basic methods to create query commands for tables
+ * giving by {@link setTableInfo TableInfo} the property.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @version $Id: TDbCommandBuilder.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common
+ * @since 3.1
+ */
+class TMssqlCommandBuilder extends TDbCommandBuilder
+{
+ /**
+ * Overrides parent implementation. Uses "SELECT @@Identity".
+ * @return integer last insert id, null if none is found.
+ */
+ public function getLastInsertID()
+ {
+ foreach($this->getTableInfo()->getColumns() as $column)
+ {
+ if($column->hasSequence())
+ {
+ $command = $this->getDbConnection()->createCommand('SELECT @@Identity');
+ return intval($command->queryScalar());
+ }
+ }
+ }
+
+ /**
+ * Overrides parent implementation. Alters the sql to apply $limit and $offset.
+ * The idea for limit with offset is done by modifying the sql on the fly
+ * with numerous assumptions on the structure of the sql string.
+ * The modification is done with reference to the notes from
+ * http://troels.arvin.dk/db/rdbms/#select-limit-offset
+ *
+ * <code>
+ * SELECT * FROM (
+ * SELECT TOP n * FROM (
+ * SELECT TOP z columns -- (z=n+skip)
+ * FROM tablename
+ * ORDER BY key ASC
+ * ) AS FOO ORDER BY key DESC -- ('FOO' may be anything)
+ * ) AS BAR ORDER BY key ASC -- ('BAR' may be anything)
+ * </code>
+ *
+ * <b>Regular expressions are used to alter the SQL query. The resulting SQL query
+ * may be malformed for complex queries.</b> The following restrictions apply
+ *
+ * <ul>
+ * <li>
+ * In particular, <b>commas</b> should <b>NOT</b>
+ * be used as part of the ordering expression or identifier. Commas must only be
+ * used for separating the ordering clauses.
+ * </li>
+ * <li>
+ * In the ORDER BY clause, the column name should NOT be be qualified
+ * with a table name or view name. Alias the column names or use column index.
+ * </li>
+ * <li>
+ * No clauses should follow the ORDER BY clause, e.g. no COMPUTE or FOR clauses.
+ * </li>
+ *
+ * @param string SQL query string.
+ * @param integer maximum number of rows, -1 to ignore limit.
+ * @param integer row offset, -1 to ignore offset.
+ * @return string SQL with limit and offset.
+ */
+ public function applyLimitOffset($sql, $limit=-1, $offset=-1)
+ {
+ $limit = $limit!==null ? intval($limit) : -1;
+ $offset = $offset!==null ? intval($offset) : -1;
+ if ($limit > 0 && $offset <= 0) //just limit
+ $sql = preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',"\\1SELECT\\2 TOP $limit", $sql);
+ else if($limit > 0 && $offset > 0)
+ $sql = $this->rewriteLimitOffsetSql($sql, $limit,$offset);
+ return $sql;
+ }
+
+ /**
+ * Rewrite sql to apply $limit > and $offset > 0 for MSSQL database.
+ * See http://troels.arvin.dk/db/rdbms/#select-limit-offset
+ * @param string sql query
+ * @param integer $limit > 0
+ * @param integer $offset > 0
+ * @return sql modified sql query applied with limit and offset.
+ */
+ protected function rewriteLimitOffsetSql($sql, $limit, $offset)
+ {
+ $fetch = $limit+$offset;
+ $sql = preg_replace('/^([\s(])*SELECT( DISTINCT)?(?!\s*TOP\s*\()/i',"\\1SELECT\\2 TOP $fetch", $sql);
+ $ordering = $this->findOrdering($sql);
+
+ $orginalOrdering = $this->joinOrdering($ordering);
+ $reverseOrdering = $this->joinOrdering($this->reverseDirection($ordering));
+ $sql = "SELECT * FROM (SELECT TOP {$limit} * FROM ($sql) as [__inner top table__] {$reverseOrdering}) as [__outer top table__] {$orginalOrdering}";
+ return $sql;
+ }
+
+ /**
+ * Base on simplified syntax http://msdn2.microsoft.com/en-us/library/aa259187(SQL.80).aspx
+ *
+ * @param string $sql
+ * @return array ordering expression as key and ordering direction as value
+ */
+ protected function findOrdering($sql)
+ {
+ if(!preg_match('/ORDER BY/i', $sql))
+ return array();
+ $matches=array();
+ $ordering=array();
+ preg_match_all('/(ORDER BY)[\s"\[](.*)(ASC|DESC)?(?:[\s"\[]|$|COMPUTE|FOR)/i', $sql, $matches);
+ if(count($matches)>1 && count($matches[2]) > 0)
+ {
+ $parts = explode(',', $matches[2][0]);
+ foreach($parts as $part)
+ {
+ $subs=array();
+ if(preg_match_all('/(.*)[\s"\]](ASC|DESC)$/i', trim($part), $subs))
+ {
+ if(count($subs) > 1 && count($subs[2]) > 0)
+ {
+ $ordering[$subs[1][0]] = $subs[2][0];
+ }
+ //else what?
+ }
+ else
+ $ordering[trim($part)] = 'ASC';
+ }
+ }
+ return $ordering;
+ }
+
+ /**
+ * @param array ordering obtained from findOrdering()
+ * @return string concat the orderings
+ */
+ protected function joinOrdering($orders)
+ {
+ if(count($orders)>0)
+ {
+ $str=array();
+ foreach($orders as $column => $direction)
+ $str[] = $column.' '.$direction;
+ return 'ORDER BY '.implode(', ', $str);
+ }
+ }
+
+ /**
+ * @param array original ordering
+ * @return array ordering with reversed direction.
+ */
+ protected function reverseDirection($orders)
+ {
+ foreach($orders as $column => $direction)
+ $orders[$column] = strtolower(trim($direction))==='desc' ? 'ASC' : 'DESC';
+ return $orders;
+ }
+}
+
+?>
\ No newline at end of file diff --git a/framework/Data/Common/Mssql/TMssqlMetaData.php b/framework/Data/Common/Mssql/TMssqlMetaData.php new file mode 100644 index 00000000..c70bc349 --- /dev/null +++ b/framework/Data/Common/Mssql/TMssqlMetaData.php @@ -0,0 +1,202 @@ +<?php
+
+/**
+ * Load the base TDbMetaData class.
+ */
+Prado::using('System.Data.Common.TDbMetaData');
+Prado::using('System.Data.Common.Mssql.TMssqlTableInfo');
+
+class TMssqlMetaData extends TDbMetaData
+{
+ /**
+ * Get the column definitions for given table.
+ * @param string table name.
+ * @return TMssqlTableInfo table information.
+ */
+ protected function createTableInfo($table)
+ {
+ list($catalogName,$schemaName,$tableName) = $this->getCatalogSchemaTableName($table);
+ $this->getDbConnection()->setActive(true);
+ $sql = <<<EOD
+ SELECT t.*,
+ c.*,
+ columnproperty(object_id(c.table_schema + '.' + c.table_name), c.column_name,'IsIdentity') as IsIdentity
+ FROM INFORMATION_SCHEMA.TABLES t,
+ INFORMATION_SCHEMA.COLUMNS c
+ WHERE t.table_name = c.table_name
+ AND t.table_name = :table
+EOD;
+ if($schemaName!==null)
+ $sql .= ' AND t.schema_name = :schema';
+ if($catalogName!==null)
+ $sql .= ' AND t.catalog_name = :catalog';
+
+ $command = $this->getDbConnection()->createCommand($sql);
+ $command->bindValue(':table', $tableName);
+ if($schemaName!==null)
+ $command->bindValue(':schema', $schemaName);
+ if($catalogName!==null)
+ $command->bindValue(':catalog', $catalogName);
+
+ $tableInfo=null;
+ foreach($command->query() as $col)
+ {
+ if($tableInfo===null)
+ $tableInfo = $this->createNewTableInfo($col);
+ $this->processColumn($tableInfo,$col);
+ }
+ return $tableInfo;
+ }
+
+ protected function getCatalogSchemaTableName($table)
+ {
+ //remove possible delimiters
+ $result = explode('.', preg_replace('/\[|\]|"/', '', $table));
+ if(count($result)===1)
+ return array(null,null,$result[0]);
+ if(count($result)===2)
+ return array(null,$result[0],$result[1]);
+ if(count($result)>2)
+ return array($result[0],$result[1],$result[2]);
+ }
+
+ /**
+ * @param TMssqlTableInfo table information.
+ * @param array column information.
+ */
+ protected function processColumn($tableInfo, $col)
+ {
+ $columnId = $col['COLUMN_NAME'];
+
+ $info['ColumnName'] = "[$columnId]"; //quote the column names!
+ $info['ColumnId'] = $columnId;
+ $info['ColumnIndex'] = intval($col['ORDINAL_POSITION'])-1; //zero-based index
+ if($col['IS_NULLABLE']!=='NO')
+ $info['AllowNull'] = true;
+ if($col['COLUMN_DEFAULT']!==null)
+ $info['DefaultValue'] = $col['COLUMN_DEFAULT'];
+
+ if(in_array($columnId, $tableInfo->getPrimaryKeys()))
+ $info['IsPrimaryKey'] = true;
+ if($this->isForeignKeyColumn($columnId, $tableInfo))
+ $info['IsForeignKey'] = true;
+
+ if($col['IsIdentity']==='1')
+ $info['AutoIncrement'] = true;
+ $info['DbType'] = $col['DATA_TYPE'];
+ if($col['CHARACTER_MAXIMUM_LENGTH']!==null)
+ $info['ColumnSize'] = intval($col['CHARACTER_MAXIMUM_LENGTH']);
+ if($col['NUMERIC_PRECISION'] !== null)
+ $info['NumericPrecision'] = intval($col['NUMERIC_PRECISION']);
+ if($col['NUMERIC_SCALE']!==null)
+ $info['NumericScale'] = intval($col['NUMERIC_SCALE']);
+ $tableInfo->Columns[$columnId] = new TMssqlTableColumn($info);
+ }
+
+ /**
+ * @param string table schema name
+ * @param string table name.
+ * @return TMssqlTableInfo
+ */
+ protected function createNewTableInfo($col)
+ {
+ $info['CatalogName'] = $col['TABLE_CATALOG'];
+ $info['SchemaName'] = $col['TABLE_SCHEMA'];
+ $info['TableName'] = $col['TABLE_NAME'];
+ if($col['TABLE_TYPE']==='VIEW')
+ $info['IsView'] = true;
+ list($primary, $foreign) = $this->getConstraintKeys($col);
+ return new TMssqlTableInfo($info,$primary,$foreign);
+ }
+
+ /**
+ * Gets the primary and foreign key column details for the given table.
+ * @param string schema name
+ * @param string table name.
+ * @return array tuple ($primary, $foreign)
+ */
+ protected function getConstraintKeys($col)
+ {
+ $sql = <<<EOD
+ SELECT k.column_name field_name
+ FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE k
+ LEFT JOIN INFORMATION_SCHEMA.TABLE_CONSTRAINTS c
+ ON k.table_name = c.table_name
+ AND k.constraint_name = c.constraint_name
+ WHERE k.constraint_catalog = DB_NAME()
+ AND
+ c.constraint_type ='PRIMARY KEY'
+ AND k.table_name = :table
+EOD;
+ $command = $this->getDbConnection()->createCommand($sql);
+ $command->bindValue(':table', $col['TABLE_NAME']);
+ $primary = array();
+ foreach($command->query()->readAll() as $field)
+ $primary[] = $field['field_name'];
+ $foreign = $this->getForeignConstraints($col);
+ return array($primary,$foreign);
+ }
+
+ /**
+ * Gets foreign relationship constraint keys and table name
+ * @param string database name
+ * @param string table name
+ * @return array foreign relationship table name and keys.
+ */
+ protected function getForeignConstraints($col)
+ {
+ //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 INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS RC
+ JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU1
+ ON KCU1.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG
+ AND KCU1.CONSTRAINT_SCHEMA = RC.CONSTRAINT_SCHEMA
+ AND KCU1.CONSTRAINT_NAME = RC.CONSTRAINT_NAME
+ JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE 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', $col['TABLE_NAME']);
+ $fkeys=array();
+ $catalogSchema = "[{$col['TABLE_CATALOG']}].[{$col['TABLE_SCHEMA']}]";
+ foreach($command->query() as $info)
+ {
+ $fkeys[$info['FK_CONSTRAINT_NAME']]['keys'][$info['FK_COLUMN_NAME']] = $info['UQ_COLUMN_NAME'];
+ $fkeys[$info['FK_CONSTRAINT_NAME']]['table'] = "{$catalogSchema}.[{$info['UQ_TABLE_NAME']}]";
+ }
+ return count($fkeys) > 0 ? array_values($fkeys) : $fkeys;
+ }
+
+ /**
+ * @param string column name.
+ * @param TPgsqlTableInfo table information.
+ * @return boolean true if column is a foreign key.
+ */
+ protected function isForeignKeyColumn($columnId, $tableInfo)
+ {
+ foreach($tableInfo->getForeignKeys() as $fk)
+ {
+ if(in_array($columnId, array_keys($fk['keys'])))
+ return true;
+ }
+ return false;
+ }
+}
+
+?>
\ No newline at end of file diff --git a/framework/Data/Common/Mssql/TMssqlTableColumn.php b/framework/Data/Common/Mssql/TMssqlTableColumn.php new file mode 100644 index 00000000..77c115e5 --- /dev/null +++ b/framework/Data/Common/Mssql/TMssqlTableColumn.php @@ -0,0 +1,56 @@ +<?php
+/**
+ * TMssqlTableColumn class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common.Mssql
+ */
+
+/**
+ * Load common TDbTableCommon class.
+ */
+Prado::using('System.Data.Common.TDbTableColumn');
+
+/**
+ * Describes the column metadata of the schema for a Mssql database table.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @version $Id: TMssqlTableColumn.php 1863 2007-04-12 12:43:49Z wei $
+ * @package System.Data.Common.Mssql
+ * @since 3.1
+ */
+class TMssqlTableColumn extends TDbTableColumn
+{
+ private static $types = array();
+
+ /**
+ * Overrides parent implementation, returns PHP type from the db type.
+ * @return boolean derived PHP primitive type from the column db type.
+ */
+ public function getPHPType()
+ {
+
+ return 'string';
+ }
+
+ public function getAutoIncrement()
+ {
+ return $this->getInfo('AutoIncrement',false);
+ }
+
+ public function hasSequence()
+ {
+ return $this->getAutoIncrement();
+ }
+
+ public function getIsExcluded()
+ {
+ return strtolower($this->getDbType())==='timestamp';
+ }
+}
+
+?>
\ No newline at end of file diff --git a/framework/Data/Common/Mssql/TMssqlTableInfo.php b/framework/Data/Common/Mssql/TMssqlTableInfo.php new file mode 100644 index 00000000..b407ad44 --- /dev/null +++ b/framework/Data/Common/Mssql/TMssqlTableInfo.php @@ -0,0 +1,62 @@ +<?php
+/**
+ * TMssqlTableInfo class file.
+ *
+ * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
+ * @link http://www.pradosoft.com/
+ * @copyright Copyright © 2005-2007 PradoSoft
+ * @license http://www.pradosoft.com/license/
+ * @version $Id: TMssqlTableInfo.php 1861 2007-04-12 08:05:03Z wei $
+ * @package System.Data.Common.Mssql
+ */
+
+/**
+ * Loads the base TDbTableInfo class and TMssqlTableColumn class.
+ */
+Prado::using('System.Data.Common.TDbTableInfo');
+Prado::using('System.Data.Common.Mssql.TMssqlTableColumn');
+
+/**
+ * TMssqlTableInfo class provides additional table information for Mssql database.
+ *
+ * @author Wei Zhuo <weizho[at]gmail[dot]com>
+ * @version $Id: TMssqlTableInfo.php 1861 2007-04-12 08:05:03Z wei $
+ * @package System.Data.Common.Mssql
+ * @since 3.1
+ */
+class TMssqlTableInfo extends TDbTableInfo
+{
+ /**
+ * @return string name of the schema this column belongs to.
+ */
+ public function getSchemaName()
+ {
+ return $this->getInfo('SchemaName');
+ }
+
+ public function getCatalogName()
+ {
+ return $this->getInfo('CatalogName');
+ }
+
+ /**
+ * @return string full name of the table, database dependent.
+ */
+ public function getTableFullName()
+ {
+ return '['.$this->getCatalogName().'].['.$this->getSchemaName().'].['.$this->getTableName().']';
+ }
+
+ /**
+ * @param TDbConnection database connection.
+ * @return TDbCommandBuilder new command builder
+ */
+ public function createCommandBuilder($connection)
+ {
+ Prado::using('System.Data.Common.Mssql.TMssqlCommandBuilder');
+ return new TMssqlCommandBuilder($connection,$this);
+ }
+
+}
+
+?>
\ No newline at end of file diff --git a/framework/Data/Common/Mysql/TMysqlMetaData.php b/framework/Data/Common/Mysql/TMysqlMetaData.php index 2a6d80bd..9e947298 100644 --- a/framework/Data/Common/Mysql/TMysqlMetaData.php +++ b/framework/Data/Common/Mysql/TMysqlMetaData.php @@ -1,5 +1,4 @@ -<?php -
+<?php
/**
* Load the base TDbMetaData class.
*/
@@ -15,8 +14,10 @@ class TMysqlMetaData extends TDbMetaData */
protected function createTableInfo($table)
{
+ list($schemaName,$tableName) = $this->getSchemaTableName($table);
+ $find = $schemaName===null ? "`{$tableName}`" : "`{$schemaName}`.`{$tableName}`";
$this->getDbConnection()->setActive(true);
- $sql = "SHOW FULL FIELDS FROM {$table}";
+ $sql = "SHOW FULL FIELDS FROM {$find}";
$command = $this->getDbConnection()->createCommand($sql);
$tableInfo = $this->createNewTableInfo($table);
$index=0;
@@ -37,6 +38,7 @@ class TMysqlMetaData extends TDbMetaData $columnId = $col['Field'];
$info['ColumnName'] = "`$columnId`"; //quote the column names!
+ $info['ColumnId'] = $columnId;
$info['ColumnIndex'] = $col['index'];
if($col['Null']!=='NO')
$info['AllowNull'] = true;
@@ -122,7 +124,8 @@ class TMysqlMetaData extends TDbMetaData /**
* http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
- * @param unknown_type $name
+ * @param string identifier name
+ * @param boolean true if valid identifier.
*/
protected function isValidIdentifier($name)
{
@@ -139,7 +142,8 @@ class TMysqlMetaData extends TDbMetaData list($schemaName,$tableName) = $this->getSchemaTableName($table);
$info['SchemaName'] = $schemaName;
$info['TableName'] = $tableName;
- $info['IsView'] = $this->getIsView($schemaName,$tableName);
+ if($this->getIsView($schemaName,$tableName))
+ $info['IsView'] = true;
list($primary, $foreign) = $this->getConstraintKeys($schemaName, $tableName);
return new TMysqlTableInfo($info,$primary,$foreign);
}
diff --git a/framework/Data/Common/Mysql/TMysqlTableColumn.php b/framework/Data/Common/Mysql/TMysqlTableColumn.php index 4f0f7da2..0e991d6b 100644 --- a/framework/Data/Common/Mysql/TMysqlTableColumn.php +++ b/framework/Data/Common/Mysql/TMysqlTableColumn.php @@ -59,7 +59,7 @@ class TMysqlTableColumn extends TDbTableColumn /**
* @return boolean true if auto increment is true.
*/
- public function getHasSequence()
+ public function hasSequence()
{
return $this->getAutoIncrement();
}
diff --git a/framework/Data/Common/Mysql/TMysqlTableInfo.php b/framework/Data/Common/Mysql/TMysqlTableInfo.php index e8585730..9bc01717 100644 --- a/framework/Data/Common/Mysql/TMysqlTableInfo.php +++ b/framework/Data/Common/Mysql/TMysqlTableInfo.php @@ -39,7 +39,10 @@ class TMysqlTableInfo extends TDbTableInfo */
public function getTableFullName()
{
- return '`'.$this->getSchemaName().'`.`'.$this->getTableName().'`';
+ if(($schema=$this->getSchemaName())!==null)
+ return '`'.$schema.'`.`'.$this->getTableName();
+ else
+ return '`'.$this->getTableName().'`';
}
}
diff --git a/framework/Data/Common/Pgsql/TPgsqlMetaData.php b/framework/Data/Common/Pgsql/TPgsqlMetaData.php index e964cfe7..ac7e6b7a 100644 --- a/framework/Data/Common/Pgsql/TPgsqlMetaData.php +++ b/framework/Data/Common/Pgsql/TPgsqlMetaData.php @@ -50,7 +50,7 @@ class TPgsqlMetaData extends TDbMetaData */
protected function getSchemaTableName($table)
{
- if(count($parts= explode('.', $table)) > 1)
+ if(count($parts= explode('.', str_replace('"','',$table))) > 1)
return array($parts[0], $parts[1]);
else
return array($this->getDefaultSchema(),$parts[0]);
@@ -171,6 +171,7 @@ EOD; $columnId = $col['attname']; //use column name as column Id
$info['ColumnName'] = '"'.$columnId.'"'; //quote the column names!
+ $info['ColumnId'] = $columnId;
$info['ColumnIndex'] = $col['index'];
if(!$col['attnotnull'])
$info['AllowNull'] = true;
diff --git a/framework/Data/Common/Pgsql/TPgsqlTableInfo.php b/framework/Data/Common/Pgsql/TPgsqlTableInfo.php index 88a56635..a2670fe0 100644 --- a/framework/Data/Common/Pgsql/TPgsqlTableInfo.php +++ b/framework/Data/Common/Pgsql/TPgsqlTableInfo.php @@ -39,7 +39,10 @@ class TPgsqlTableInfo extends TDbTableInfo */
public function getTableFullName()
{
- return $this->getSchemaName().'.'.$this->getTableName();
+ if(($schema=$this->getSchemaName())!==null)
+ return $schema.'.'.$this->getTableName();
+ else
+ $this->getTableName();
}
}
diff --git a/framework/Data/Common/Sqlite/TSqliteMetaData.php b/framework/Data/Common/Sqlite/TSqliteMetaData.php index 68734046..2ce46fb7 100644 --- a/framework/Data/Common/Sqlite/TSqliteMetaData.php +++ b/framework/Data/Common/Sqlite/TSqliteMetaData.php @@ -80,6 +80,7 @@ class TSqliteMetaData extends TDbMetaData $columnId = $col['name']; //use column name as column Id
$info['ColumnName'] = '"'.$columnId.'"'; //quote the column names!
+ $info['ColumnId'] = $columnId;
$info['ColumnIndex'] = $col['index'];
if($col['notnull']!=='99')
@@ -115,6 +116,8 @@ class TSqliteMetaData extends TDbMetaData }
/**
+ *
+ *
* @param string quoted table name.
* @return array foreign key details.
*/
@@ -145,6 +148,23 @@ class TSqliteMetaData extends TDbMetaData }
return false;
}
+}
-} +/**
+
+CREATE TABLE foo
+(
+ id INTEGER NOT NULL PRIMARY KEY,
+ id2 CHAR(2)
+);
+
+CREATE TABLE bar
+(
+ id INTEGER NOT NULL PRIMARY KEY,
+ foo_id INTEGER NOT NULL CONSTRAINT fk_foo_id REFERENCES foo(id) ON DELETE CASCADE,
+ foo_id2 CHAR(2) CONSTRAINT fk_foo_id REFERENCES foo(id2) ON DELETE CASCADE,
+ bar_id INTEGER NOT NULL CONSTRAINT fk_bar_id REFERENCES bar(id)
+);
+*/
+ ?>
\ No newline at end of file diff --git a/framework/Data/Common/Sqlite/TSqliteTableColumn.php b/framework/Data/Common/Sqlite/TSqliteTableColumn.php index cb379bfd..b8287218 100644 --- a/framework/Data/Common/Sqlite/TSqliteTableColumn.php +++ b/framework/Data/Common/Sqlite/TSqliteTableColumn.php @@ -53,7 +53,7 @@ class TSqliteTableColumn extends TDbTableColumn /**
* @return boolean true if auto increment is true.
*/
- public function getHasSequence()
+ public function hasSequence()
{
return $this->getAutoIncrement();
}
diff --git a/framework/Data/Common/TDbCommandBuilder.php b/framework/Data/Common/TDbCommandBuilder.php index 2a8f93ee..2c3578f0 100644 --- a/framework/Data/Common/TDbCommandBuilder.php +++ b/framework/Data/Common/TDbCommandBuilder.php @@ -67,6 +67,20 @@ class TDbCommandBuilder extends TComponent }
/**
+ * Iterate through all the columns and returns the last insert id of the
+ * first column that has a sequence or serial.
+ * @return mixed last insert id, null if none is found.
+ */
+ public function getLastInsertID()
+ {
+ foreach($this->getTableInfo()->getColumns() as $column)
+ {
+ if($column->hasSequence())
+ return $this->getDbConnection()->getLastInsertID($column->getSequenceName());
+ }
+ }
+
+ /**
* Alters the sql to apply $limit and $offset. Default implementation is applicable
* for PostgreSQL, MySQL and SQLite.
* @param string SQL query string.
@@ -122,6 +136,8 @@ class TDbCommandBuilder extends TComponent */
public function createFindCommand($where='1=1', $parameters=array(), $ordering=array(), $limit=-1, $offset=-1)
{
+ if($where===null)
+ $where='1=1';
$table = $this->getTableInfo()->getTableFullName();
$sql = "SELECT * FROM {$table} WHERE {$where}";
if(count($ordering) > 0)
@@ -141,6 +157,8 @@ class TDbCommandBuilder extends TComponent */
public function createCountCommand($where='1=1', $parameters=array(),$ordering=array(), $limit=-1, $offset=-1)
{
+ if($where===null)
+ $where='1=1';
$table = $this->getTableInfo()->getTableFullName();
$sql = "SELECT COUNT(*) FROM {$table} WHERE {$where}";
if(count($ordering) > 0)
diff --git a/framework/Data/Common/TDbMetaData.php b/framework/Data/Common/TDbMetaData.php index 477e2805..6838d7dc 100644 --- a/framework/Data/Common/TDbMetaData.php +++ b/framework/Data/Common/TDbMetaData.php @@ -64,9 +64,12 @@ abstract class TDbMetaData extends TComponent case 'sqlite2': //sqlite 2
Prado::using('System.Data.Common.Sqlite.TSqliteMetaData');
return new TSqliteMetaData($conn);
- case 'ibm':
- Prado::using('System.Data.Common.IbmDb2.TIbmDb2MetaData');
- return new TIbmDb2MetaData($conn);
+ case 'mssql':
+ Prado::using('System.Data.Common.Mssql.TMssqlMetaData');
+ return new TMssqlMetaData($conn);
+// case 'ibm':
+// Prado::using('System.Data.Common.IbmDb2.TIbmDb2MetaData');
+// return new TIbmDb2MetaData($conn);
default:
throw new TDbException('ar_invalid_database_driver',$driver);
}
diff --git a/framework/Data/Common/TDbTableColumn.php b/framework/Data/Common/TDbTableColumn.php index c5c9ac80..6ff2ff46 100644 --- a/framework/Data/Common/TDbTableColumn.php +++ b/framework/Data/Common/TDbTableColumn.php @@ -84,6 +84,14 @@ class TDbTableColumn extends TComponent }
/**
+ * @return string name of the column with quoted identifier.
+ */
+ public function getColumnId()
+ {
+ return $this->getInfo('ColumnId');
+ }
+
+ /**
* @return string size of the column.
*/
public function getColumnSize()
@@ -92,7 +100,7 @@ class TDbTableColumn extends TComponent }
/**
- * @return integer zero-based ordinal position of the column in the table.
+ * @return integer one-based ordinal position of the column in the table.
*/
public function getColumnIndex()
{
@@ -139,6 +147,15 @@ class TDbTableColumn extends TComponent return $this->getInfo('NumericScale');
}
+ public function getMaxiumNumericConstraint()
+ {
+ if(($precision=$this->getNumericPrecision())!==null)
+ {
+ $scale=$this->getNumericScale();
+ return $scale===null ? pow(10,$precision) : pow(10,$precision-$scale);
+ }
+ }
+
/**
* @return boolean whether this column is a primary key for the table, default is false.
*/
@@ -170,6 +187,14 @@ class TDbTableColumn extends TComponent {
return $this->getSequenceName()!==null;
}
+
+ /**
+ * @return boolean whether this column is excluded from insert and update.
+ */
+ public function getIsExcluded()
+ {
+ return false;
+ }
}
?>
\ No newline at end of file |