hdabo_sf: comparison vendor/doctrine-dbal/lib/Doctrine/DBAL/Platforms/DB2Platform.php

equal deleted inserted replaced

--1:000000000000
+:7f95f8617b0b
+<?php
+/*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*
+* This software consists of voluntary contributions made by many individuals
+* and is licensed under the LGPL. For more information, see
+* <http://www.doctrine-project.org>.
+*/
+namespace Doctrine\DBAL\Platforms;
+use Doctrine\DBAL\DBALException;
+use Doctrine\DBAL\Schema\Index;
+use Doctrine\DBAL\Schema\TableDiff;
+class DB2Platform extends AbstractPlatform
+{
+public function initializeDoctrineTypeMappings()
+{
+$this->doctrineTypeMapping = array(
+'smallint'      => 'smallint',
+'bigint'        => 'bigint',
+'integer'       => 'integer',
+'time'          => 'time',
+'date'          => 'date',
+'varchar'       => 'string',
+'character'     => 'string',
+'clob'          => 'text',
+'decimal'       => 'decimal',
+'double'        => 'float',
+'real'          => 'float',
+'timestamp'     => 'datetime',
+);
+}
+/**
+* Gets the SQL snippet used to declare a VARCHAR column type.
+*
+* @param array $field
+*/
+protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
+{
+return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
+: ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)');
+}
+/**
+* Gets the SQL snippet used to declare a CLOB column type.
+*
+* @param array $field
+*/
+public function getClobTypeDeclarationSQL(array $field)
+{
+// todo clob(n) with $field['length'];
+return 'CLOB(1M)';
+}
+/**
+* Gets the name of the platform.
+*
+* @return string
+*/
+public function getName()
+{
+return 'db2';
+}
+/**
+* Gets the SQL snippet that declares a boolean column.
+*
+* @param array $columnDef
+* @return string
+*/
+public function getBooleanTypeDeclarationSQL(array $columnDef)
+{
+return 'SMALLINT';
+}
+/**
+* Gets the SQL snippet that declares a 4 byte integer column.
+*
+* @param array $columnDef
+* @return string
+*/
+public function getIntegerTypeDeclarationSQL(array $columnDef)
+{
+return 'INTEGER' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef);
+}
+/**
+* Gets the SQL snippet that declares an 8 byte integer column.
+*
+* @param array $columnDef
+* @return string
+*/
+public function getBigIntTypeDeclarationSQL(array $columnDef)
+{
+return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef);
+}
+/**
+* Gets the SQL snippet that declares a 2 byte integer column.
+*
+* @param array $columnDef
+* @return string
+*/
+public function getSmallIntTypeDeclarationSQL(array $columnDef)
+{
+return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef);
+}
+/**
+* Gets the SQL snippet that declares common properties of an integer column.
+*
+* @param array $columnDef
+* @return string
+*/
+protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
+{
+$autoinc = '';
+if ( ! empty($columnDef['autoincrement'])) {
+$autoinc = ' GENERATED BY DEFAULT AS IDENTITY';
+}
+return $autoinc;
+}
+/**
+* Obtain DBMS specific SQL to be used to create datetime fields in
+* statements like CREATE TABLE
+*
+* @param array $fieldDeclaration
+* @return string
+*/
+public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
+{
+if (isset($fieldDeclaration['version']) && $fieldDeclaration['version'] == true) {
+return "TIMESTAMP(0) WITH DEFAULT";
+}
+return 'TIMESTAMP(0)';
+}
+/**
+* Obtain DBMS specific SQL to be used to create date fields in statements
+* like CREATE TABLE.
+*
+* @param array $fieldDeclaration
+* @return string
+*/
+public function getDateTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'DATE';
+}
+/**
+* Obtain DBMS specific SQL to be used to create time fields in statements
+* like CREATE TABLE.
+*
+* @param array $fieldDeclaration
+* @return string
+*/
+public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
+{
+return 'TIME';
+}
+public function getListDatabasesSQL()
+{
+throw DBALException::notSupported(__METHOD__);
+}
+public function getListSequencesSQL($database)
+{
+throw DBALException::notSupported(__METHOD__);
+}
+public function getListTableConstraintsSQL($table)
+{
+throw DBALException::notSupported(__METHOD__);
+}
+/**
+* This code fragment is originally from the Zend_Db_Adapter_Db2 class.
+*
+* @license New BSD License
+* @param  string $table
+* @return string
+*/
+public function getListTableColumnsSQL($table, $database = null)
+{
+return "SELECT DISTINCT c.tabschema, c.tabname, c.colname, c.colno,
+c.typename, c.default, c.nulls, c.length, c.scale,
+c.identity, tc.type AS tabconsttype, k.colseq
+FROM syscat.columns c
+LEFT JOIN (syscat.keycoluse k JOIN syscat.tabconst tc
+ON (k.tabschema = tc.tabschema
+AND k.tabname = tc.tabname
+AND tc.type = 'P'))
+ON (c.tabschema = k.tabschema
+AND c.tabname = k.tabname
+AND c.colname = k.colname)
+WHERE UPPER(c.tabname) = UPPER('" . $table . "') ORDER BY c.colno";
+}
+public function getListTablesSQL()
+{
+return "SELECT NAME FROM SYSIBM.SYSTABLES WHERE TYPE = 'T'";
+}
+public function getListUsersSQL()
+{
+throw DBALException::notSupported(__METHOD__);
+}
+/**
+* Get the SQL to list all views of a database or user.
+*
+* @param string $database
+* @return string
+*/
+public function getListViewsSQL($database)
+{
+return "SELECT NAME, TEXT FROM SYSIBM.SYSVIEWS";
+}
+public function getListTableIndexesSQL($table, $currentDatabase = null)
+{
+return "SELECT NAME, COLNAMES, UNIQUERULE FROM SYSIBM.SYSINDEXES WHERE TBNAME = UPPER('" . $table . "')";
+}
+public function getListTableForeignKeysSQL($table)
+{
+return "SELECT TBNAME, RELNAME, REFTBNAME, DELETERULE, UPDATERULE, FKCOLNAMES, PKCOLNAMES ".
+"FROM SYSIBM.SYSRELS WHERE TBNAME = UPPER('".$table."')";
+}
+public function getCreateViewSQL($name, $sql)
+{
+return "CREATE VIEW ".$name." AS ".$sql;
+}
+public function getDropViewSQL($name)
+{
+return "DROP VIEW ".$name;
+}
+public function getDropSequenceSQL($sequence)
+{
+throw DBALException::notSupported(__METHOD__);
+}
+public function getSequenceNextValSQL($sequenceName)
+{
+throw DBALException::notSupported(__METHOD__);
+}
+public function getCreateDatabaseSQL($database)
+{
+return "CREATE DATABASE ".$database;
+}
+public function getDropDatabaseSQL($database)
+{
+return "DROP DATABASE ".$database.";";
+}
+public function supportsCreateDropDatabase()
+{
+return false;
+}
+/**
+* Whether the platform supports releasing savepoints.
+*
+* @return boolean
+*/
+public function supportsReleaseSavepoints()
+{
+return false;
+}
+/**
+* Gets the SQL specific for the platform to get the current date.
+*
+* @return string
+*/
+public function getCurrentDateSQL()
+{
+return 'VALUES CURRENT DATE';
+}
+/**
+* Gets the SQL specific for the platform to get the current time.
+*
+* @return string
+*/
+public function getCurrentTimeSQL()
+{
+return 'VALUES CURRENT TIME';
+}
+/**
+* Gets the SQL specific for the platform to get the current timestamp
+*
+* @return string
+*/
+public function getCurrentTimestampSQL()
+{
+return "VALUES CURRENT TIMESTAMP";
+}
+/**
+* Obtain DBMS specific SQL code portion needed to set an index
+* declaration to be used in statements like CREATE TABLE.
+*
+* @param string $name          name of the index
+* @param Index $index          index definition
+* @return string               DBMS specific SQL code portion needed to set an index
+*/
+public function getIndexDeclarationSQL($name, Index $index)
+{
+return $this->getUniqueConstraintDeclarationSQL($name, $index);
+}
+/**
+* @param string $tableName
+* @param array $columns
+* @param array $options
+* @return array
+*/
+protected function _getCreateTableSQL($tableName, array $columns, array $options = array())
+{
+$indexes = array();
+if (isset($options['indexes'])) {
+$indexes = $options['indexes'];
+}
+$options['indexes'] = array();
+$sqls = parent::_getCreateTableSQL($tableName, $columns, $options);
+foreach ($indexes as $index => $definition) {
+$sqls[] = $this->getCreateIndexSQL($definition, $tableName);
+}
+return $sqls;
+}
+/**
+* Gets the SQL to alter an existing table.
+*
+* @param TableDiff $diff
+* @return array
+*/
+public function getAlterTableSQL(TableDiff $diff)
+{
+$sql = array();
+$queryParts = array();
+foreach ($diff->addedColumns AS $fieldName => $column) {
+$queryParts[] = 'ADD COLUMN ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
+}
+foreach ($diff->removedColumns AS $column) {
+$queryParts[] =  'DROP COLUMN ' . $column->getQuotedName($this);
+}
+foreach ($diff->changedColumns AS $columnDiff) {
+/* @var $columnDiff Doctrine\DBAL\Schema\ColumnDiff */
+$column = $columnDiff->column;
+$queryParts[] =  'ALTER ' . ($columnDiff->oldColumnName) . ' '
+. $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
+}
+foreach ($diff->renamedColumns AS $oldColumnName => $column) {
+$queryParts[] =  'RENAME ' . $oldColumnName . ' TO ' . $column->getQuotedName($this);
+}
+if (count($queryParts) > 0) {
+$sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(" ", $queryParts);
+}
+$sql = array_merge($sql, $this->_getAlterTableIndexForeignKeySQL($diff));
+if ($diff->newName !== false) {
+$sql[] =  'RENAME TABLE TO ' . $diff->newName;
+}
+return $sql;
+}
+public function getDefaultValueDeclarationSQL($field)
+{
+if (isset($field['notnull']) && $field['notnull'] && !isset($field['default'])) {
+if (in_array((string)$field['type'], array("Integer", "BigInteger", "SmallInteger"))) {
+$field['default'] = 0;
+} else if((string)$field['type'] == "DateTime") {
+$field['default'] = "00-00-00 00:00:00";
+} else if ((string)$field['type'] == "Date") {
+$field['default'] = "00-00-00";
+} else if((string)$field['type'] == "Time") {
+$field['default'] = "00:00:00";
+} else {
+$field['default'] = '';
+}
+}
+unset($field['default']); // @todo this needs fixing
+if (isset($field['version']) && $field['version']) {
+if ((string)$field['type'] != "DateTime") {
+$field['default'] = "1";
+}
+}
+return parent::getDefaultValueDeclarationSQL($field);
+}
+/**
+* Get the insert sql for an empty insert statement
+*
+* @param string $tableName
+* @param string $identifierColumnName
+* @return string $sql
+*/
+public function getEmptyIdentityInsertSQL($tableName, $identifierColumnName)
+{
+return 'INSERT INTO ' . $tableName . ' (' . $identifierColumnName . ') VALUES (DEFAULT)';
+}
+public function getCreateTemporaryTableSnippetSQL()
+{
+return "DECLARE GLOBAL TEMPORARY TABLE";
+}
+/**
+* DB2 automatically moves temporary tables into the SESSION. schema.
+*
+* @param  string $tableName
+* @return string
+*/
+public function getTemporaryTableName($tableName)
+{
+return "SESSION." . $tableName;
+}
+protected function doModifyLimitQuery($query, $limit, $offset = null)
+{
+if ($limit === null && $offset === null) {
+return $query;
+}
+$limit = (int)$limit;
+$offset = (int)(($offset)?:0);
+// Todo OVER() needs ORDER BY data!
+$sql = 'SELECT db22.* FROM (SELECT ROW_NUMBER() OVER() AS DC_ROWNUM, db21.* '.
+'FROM (' . $query . ') db21) db22 WHERE db22.DC_ROWNUM BETWEEN ' . ($offset+1) .' AND ' . ($offset+$limit);
+return $sql;
+}
+/**
+* returns the position of the first occurrence of substring $substr in string $str
+*
+* @param string $substr    literal string to find
+* @param string $str       literal string
+* @param int    $pos       position to start at, beginning of string by default
+* @return integer
+*/
+public function getLocateExpression($str, $substr, $startPos = false)
+{
+if ($startPos == false) {
+return 'LOCATE(' . $substr . ', ' . $str . ')';
+} else {
+return 'LOCATE(' . $substr . ', ' . $str . ', '.$startPos.')';
+}
+}
+/**
+* return string to call a function to get a substring inside an SQL statement
+*
+* Note: Not SQL92, but common functionality.
+*
+* SQLite only supports the 2 parameter variant of this function
+*
+* @param  string $value         an sql string literal or column name/alias
+* @param  integer $from     where to start the substring portion
+* @param  integer $len       the substring portion length
+* @return string
+*/
+public function getSubstringExpression($value, $from, $len = null)
+{
+if ($len === null)
+return 'SUBSTR(' . $value . ', ' . $from . ')';
+else {
+return 'SUBSTR(' . $value . ', ' . $from . ', ' . $len . ')';
+}
+}
+public function supportsIdentityColumns()
+{
+return true;
+}
+public function prefersIdentityColumns()
+{
+return true;
+}
+/**
+* Gets the character casing of a column in an SQL result set of this platform.
+*
+* DB2 returns all column names in SQL result sets in uppercase.
+*
+* @param string $column The column name for which to get the correct character casing.
+* @return string The column name in the character casing used in SQL result sets.
+*/
+public function getSQLResultCasing($column)
+{
+return strtoupper($column);
+}
+public function getForUpdateSQL()
+{
+return ' WITH RR USE AND KEEP UPDATE LOCKS';
+}
+public function getDummySelectSQL()
+{
+return 'SELECT 1 FROM sysibm.sysdummy1';
+}
+/**
+* DB2 supports savepoints, but they work semantically different than on other vendor platforms.
+*
+* TODO: We have to investigate how to get DB2 up and running with savepoints.
+*
+* @return bool
+*/
+public function supportsSavepoints()
+{
+return false;
+}
+protected function getReservedKeywordsClass()
+{
+return 'Doctrine\DBAL\Platforms\Keywords\DB2Keywords';
+}
+}