1123 lines
41 KiB
PHP
1123 lines
41 KiB
PHP
<?php
|
|
/*
|
|
* $Id$
|
|
*
|
|
* 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\Common\DoctrineException;
|
|
|
|
/**
|
|
* The MySqlPlatform provides the behavior, features and SQL dialect of the
|
|
* MySQL database platform.
|
|
*
|
|
* @since 2.0
|
|
* @author Roman Borschel <roman@code-factory.org>
|
|
*/
|
|
class MySqlPlatform extends AbstractPlatform
|
|
{
|
|
/**
|
|
* Creates a new MySqlPlatform instance.
|
|
*/
|
|
public function __construct()
|
|
{
|
|
parent::__construct();
|
|
}
|
|
|
|
/**
|
|
* Gets the character used for identifier quoting.
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getIdentifierQuoteCharacter()
|
|
{
|
|
return '`';
|
|
}
|
|
|
|
/**
|
|
* Returns the regular expression operator.
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getRegexpExpression()
|
|
{
|
|
return 'RLIKE';
|
|
}
|
|
|
|
/**
|
|
* return string to call a function to get random value inside an SQL statement
|
|
*
|
|
* @return string to generate float between 0 and 1
|
|
*/
|
|
public function getRandomExpression()
|
|
{
|
|
return 'RAND()';
|
|
}
|
|
|
|
/**
|
|
* Builds a pattern matching string.
|
|
*
|
|
* EXPERIMENTAL
|
|
*
|
|
* WARNING: this function is experimental and may change signature at
|
|
* any time until labelled as non-experimental.
|
|
*
|
|
* @param array $pattern even keys are strings, odd are patterns (% and _)
|
|
* @param string $operator optional pattern operator (LIKE, ILIKE and maybe others in the future)
|
|
* @param string $field optional field name that is being matched against
|
|
* (might be required when emulating ILIKE)
|
|
*
|
|
* @return string SQL pattern
|
|
* @override
|
|
*/
|
|
public function getMatchPatternExpression($pattern, $operator = null, $field = null)
|
|
{
|
|
$match = '';
|
|
if ( ! is_null($operator)) {
|
|
$field = is_null($field) ? '' : $field.' ';
|
|
$operator = strtoupper($operator);
|
|
switch ($operator) {
|
|
// case insensitive
|
|
case 'ILIKE':
|
|
$match = $field.'LIKE ';
|
|
break;
|
|
// case sensitive
|
|
case 'LIKE':
|
|
$match = $field.'LIKE BINARY ';
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('not a supported operator type:'. $operator);
|
|
}
|
|
}
|
|
$match.= "'";
|
|
foreach ($pattern as $key => $value) {
|
|
if ($key % 2) {
|
|
$match .= $value;
|
|
} else {
|
|
$match .= $this->conn->escapePattern($this->conn->escape($value));
|
|
}
|
|
}
|
|
$match.= "'";
|
|
$match.= $this->patternEscapeString();
|
|
|
|
return $match;
|
|
}
|
|
|
|
/**
|
|
* Returns global unique identifier
|
|
*
|
|
* @return string to get global unique identifier
|
|
* @override
|
|
*/
|
|
public function getGuidExpression()
|
|
{
|
|
return 'UUID()';
|
|
}
|
|
|
|
/**
|
|
* Returns a series of strings concatinated
|
|
*
|
|
* concat() accepts an arbitrary number of parameters. Each parameter
|
|
* must contain an expression or an array with expressions.
|
|
*
|
|
* @param string|array(string) strings that will be concatinated.
|
|
* @override
|
|
*/
|
|
public function getConcatExpression()
|
|
{
|
|
$args = func_get_args();
|
|
return 'CONCAT(' . join(', ', (array) $args) . ')';
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL snippet used to declare a VARCHAR column on the MySql platform.
|
|
*
|
|
* @params array $field
|
|
*/
|
|
public function getVarcharTypeDeclarationSql(array $field)
|
|
{
|
|
if ( ! isset($field['length'])) {
|
|
if (array_key_exists('default', $field)) {
|
|
$field['length'] = $this->getVarcharMaxLength();
|
|
} else {
|
|
$field['length'] = false;
|
|
}
|
|
}
|
|
|
|
$length = ($field['length'] <= $this->getVarcharMaxLength()) ? $field['length'] : false;
|
|
$fixed = (isset($field['fixed'])) ? $field['fixed'] : false;
|
|
|
|
return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
|
|
: ($length ? 'VARCHAR(' . $length . ')' : 'TEXT');
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param array $field
|
|
*/
|
|
public function getClobDeclarationSql(array $field)
|
|
{
|
|
if ( ! empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 255) {
|
|
return 'TINYTEXT';
|
|
} else if ($length <= 65532) {
|
|
return 'TEXT';
|
|
} else if ($length <= 16777215) {
|
|
return 'MEDIUMTEXT';
|
|
}
|
|
}
|
|
return 'LONGTEXT';
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an text type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param array $field associative array with the name of the properties
|
|
* of the field being declared as array indexes. Currently, the types
|
|
* of supported field properties are as follows:
|
|
*
|
|
* length
|
|
* Integer value that determines the maximum length of the text
|
|
* field. If this argument is missing the field should be
|
|
* declared to have the longest length allowed by the DBMS.
|
|
*
|
|
* default
|
|
* Text value to be used as default for this field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is constrained
|
|
* to not be set to null.
|
|
*
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
* @override
|
|
*/
|
|
public function getNativeDeclaration(array $field)
|
|
{
|
|
/*if ( ! isset($field['type'])) {
|
|
throw DoctrineException::updateMe('Missing column type.');
|
|
}
|
|
|
|
switch ($field['type']) {
|
|
case 'char':
|
|
$length = ( ! empty($field['length'])) ? $field['length'] : false;
|
|
|
|
return $length ? 'CHAR('.$length.')' : 'CHAR(255)';
|
|
case 'varchar':
|
|
case 'array':
|
|
case 'object':
|
|
case 'string':
|
|
case 'gzip':
|
|
return $this->getVarcharTypeDeclarationSql($field);
|
|
case 'clob':
|
|
return $this->getClobDeclarationSql($field);
|
|
case 'blob':
|
|
if ( ! empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 255) {
|
|
return 'TINYBLOB';
|
|
} elseif ($length <= 65532) {
|
|
return 'BLOB';
|
|
} elseif ($length <= 16777215) {
|
|
return 'MEDIUMBLOB';
|
|
}
|
|
}
|
|
return 'LONGBLOB';
|
|
case 'enum':
|
|
if ($this->conn->getAttribute(Doctrine::ATTR_USE_NATIVE_ENUM)) {
|
|
$values = array();
|
|
foreach ($field['values'] as $value) {
|
|
$values[] = $this->conn->quote($value, 'varchar');
|
|
}
|
|
return 'ENUM('.implode(', ', $values).')';
|
|
}
|
|
// fall back to integer
|
|
case 'integer':
|
|
case 'int':
|
|
if ( ! empty($field['length'])) {
|
|
$length = $field['length'];
|
|
if ($length <= 1) {
|
|
return 'TINYINT';
|
|
} elseif ($length == 2) {
|
|
return 'SMALLINT';
|
|
} elseif ($length == 3) {
|
|
return 'MEDIUMINT';
|
|
} elseif ($length == 4) {
|
|
return 'INT';
|
|
} elseif ($length > 4) {
|
|
return 'BIGINT';
|
|
}
|
|
}
|
|
return 'INT';
|
|
case 'boolean':
|
|
return 'TINYINT(1)';
|
|
case 'date':
|
|
return 'DATE';
|
|
case 'time':
|
|
return 'TIME';
|
|
case 'timestamp':
|
|
return 'DATETIME';
|
|
case 'float':
|
|
case 'double':
|
|
return 'DOUBLE';
|
|
case 'decimal':
|
|
$length = !empty($field['length']) ? $field['length'] : 18;
|
|
$scale = !empty($field['scale']) ? $field['scale'] : $this->conn->getAttribute(Doctrine::ATTR_DECIMAL_PLACES);
|
|
return 'DECIMAL('.$length.','.$scale.')';
|
|
}*/
|
|
throw DoctrineException::updateMe('Unknown field type \'' . $field['type'] . '\'.');
|
|
}
|
|
|
|
/**
|
|
* Maps a native array description of a field to a Doctrine datatype and length
|
|
*
|
|
* @param array $field native field description
|
|
* @return array containing the various possible types, length, sign, fixed
|
|
* @override
|
|
*/
|
|
public function getPortableDeclaration(array $field)
|
|
{
|
|
/*$dbType = strtolower($field['type']);
|
|
$dbType = strtok($dbType, '(), ');
|
|
if ($dbType == 'national') {
|
|
$dbType = strtok('(), ');
|
|
}
|
|
if (isset($field['length'])) {
|
|
$length = $field['length'];
|
|
$decimal = '';
|
|
} else {
|
|
$length = strtok('(), ');
|
|
$decimal = strtok('(), ');
|
|
}
|
|
$type = array();
|
|
$unsigned = $fixed = null;
|
|
|
|
if ( ! isset($field['name'])) {
|
|
$field['name'] = '';
|
|
}
|
|
|
|
$values = null;
|
|
|
|
switch ($dbType) {
|
|
case 'tinyint':
|
|
$type[] = 'integer';
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 1;
|
|
break;
|
|
case 'smallint':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 2;
|
|
break;
|
|
case 'mediumint':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 3;
|
|
break;
|
|
case 'int':
|
|
case 'integer':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 4;
|
|
break;
|
|
case 'bigint':
|
|
$type[] = 'integer';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
$length = 8;
|
|
break;
|
|
case 'tinytext':
|
|
case 'mediumtext':
|
|
case 'longtext':
|
|
case 'text':
|
|
case 'text':
|
|
case 'varchar':
|
|
$fixed = false;
|
|
case 'string':
|
|
case 'char':
|
|
$type[] = 'string';
|
|
if ($length == '1') {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} elseif (strstr($dbType, 'text')) {
|
|
$type[] = 'clob';
|
|
if ($decimal == 'binary') {
|
|
$type[] = 'blob';
|
|
}
|
|
}
|
|
if ($fixed !== false) {
|
|
$fixed = true;
|
|
}
|
|
break;
|
|
case 'enum':
|
|
$type[] = 'enum';
|
|
preg_match_all('/\'((?:\'\'|[^\'])*)\'/', $field['type'], $matches);
|
|
$length = 0;
|
|
$fixed = false;
|
|
if (is_array($matches)) {
|
|
foreach ($matches[1] as &$value) {
|
|
$value = str_replace('\'\'', '\'', $value);
|
|
$length = max($length, strlen($value));
|
|
}
|
|
if ($length == '1' && count($matches[1]) == 2) {
|
|
$type[] = 'boolean';
|
|
if (preg_match('/^(is|has)/', $field['name'])) {
|
|
$type = array_reverse($type);
|
|
}
|
|
} else {
|
|
$values = $matches[1];
|
|
}
|
|
}
|
|
$type[] = 'integer';
|
|
break;
|
|
case 'set':
|
|
$fixed = false;
|
|
$type[] = 'text';
|
|
$type[] = 'integer';
|
|
break;
|
|
case 'date':
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
case 'datetime':
|
|
case 'timestamp':
|
|
$type[] = 'timestamp';
|
|
$length = null;
|
|
break;
|
|
case 'time':
|
|
$type[] = 'time';
|
|
$length = null;
|
|
break;
|
|
case 'float':
|
|
case 'double':
|
|
case 'real':
|
|
$type[] = 'float';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
break;
|
|
case 'unknown':
|
|
case 'decimal':
|
|
case 'numeric':
|
|
$type[] = 'decimal';
|
|
$unsigned = preg_match('/ unsigned/i', $field['type']);
|
|
break;
|
|
case 'tinyblob':
|
|
case 'mediumblob':
|
|
case 'longblob':
|
|
case 'blob':
|
|
$type[] = 'blob';
|
|
$length = null;
|
|
break;
|
|
case 'year':
|
|
$type[] = 'integer';
|
|
$type[] = 'date';
|
|
$length = null;
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('unknown database attribute type: ' . $dbType);
|
|
}
|
|
|
|
$length = ((int) $length == 0) ? null : (int) $length;
|
|
|
|
if ($values === null) {
|
|
return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed);
|
|
} else {
|
|
return array('type' => $type, 'length' => $length, 'unsigned' => $unsigned, 'fixed' => $fixed, 'values' => $values);
|
|
}*/
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
* of a field declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $charset name of the charset
|
|
* @return string DBMS specific SQL code portion needed to set the CHARACTER SET
|
|
* of a field declaration.
|
|
*/
|
|
public function getCharsetFieldDeclaration($charset)
|
|
{
|
|
return 'CHARACTER SET ' . $charset;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $collation name of the collation
|
|
* @return string DBMS specific SQL code portion needed to set the COLLATION
|
|
* of a field declaration.
|
|
*/
|
|
public function getCollationFieldDeclaration($collation)
|
|
{
|
|
return 'COLLATE ' . $collation;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform prefers identity columns for ID generation.
|
|
* MySql prefers "autoincrement" identity columns since sequences can only
|
|
* be emulated with a table.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function prefersIdentityColumns()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports identity columns.
|
|
* MySql supports this through AUTO_INCREMENT columns.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function supportsIdentityColumns()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Whether the platform supports savepoints. MySql does not.
|
|
*
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function supportsSavepoints()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @return unknown
|
|
* @override
|
|
*/
|
|
public function getShowDatabasesSql()
|
|
{
|
|
return 'SHOW DATABASES';
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @todo Throw exception by default?
|
|
* @override
|
|
*/
|
|
public function getListTablesSql()
|
|
{
|
|
return 'SHOW TABLES';
|
|
}
|
|
|
|
/**
|
|
* create a new database
|
|
*
|
|
* @param string $name name of the database that should be created
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getCreateDatabaseSql($name)
|
|
{
|
|
return 'CREATE DATABASE ' . $this->quoteIdentifier($name);
|
|
}
|
|
|
|
/**
|
|
* drop an existing database
|
|
*
|
|
* @param string $name name of the database that should be dropped
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getDropDatabaseSql($name)
|
|
{
|
|
return 'DROP DATABASE ' . $this->quoteIdentifier($name);
|
|
}
|
|
|
|
/**
|
|
* create a new table
|
|
*
|
|
* @param string $name Name of the database that should be created
|
|
* @param array $fields Associative array that contains the definition of each field of the new table
|
|
* The indexes of the array entries are the names of the fields of the table an
|
|
* the array entry values are associative arrays like those that are meant to be
|
|
* passed with the field definitions to get[Type]Declaration() functions.
|
|
* array(
|
|
* 'id' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1
|
|
* 'notnull' => 1
|
|
* 'default' => 0
|
|
* ),
|
|
* 'name' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12
|
|
* ),
|
|
* 'password' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 12
|
|
* )
|
|
* );
|
|
* @param array $options An associative array of table options:
|
|
* array(
|
|
* 'comment' => 'Foo',
|
|
* 'charset' => 'utf8',
|
|
* 'collate' => 'utf8_unicode_ci',
|
|
* 'type' => 'innodb',
|
|
* );
|
|
*
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getCreateTableSql($name, array $fields, array $options = array())
|
|
{
|
|
if ( ! $name) {
|
|
throw DoctrineException::updateMe('no valid table name specified');
|
|
}
|
|
if (empty($fields)) {
|
|
throw DoctrineException::updateMe('no fields specified for table "'.$name.'"');
|
|
}
|
|
$queryFields = $this->getColumnDeclarationListSql($fields);
|
|
|
|
// build indexes for all foreign key fields (needed in MySQL!!)
|
|
if (isset($options['foreignKeys'])) {
|
|
foreach ($options['foreignKeys'] as $fk) {
|
|
$local = $fk['local'];
|
|
$found = false;
|
|
if (isset($options['indexes'])) {
|
|
foreach ($options['indexes'] as $definition) {
|
|
if (is_string($definition['fields'])) {
|
|
// Check if index already exists on the column
|
|
$found = ($local == $definition['fields']);
|
|
} else if (in_array($local, $definition['fields']) && count($definition['fields']) === 1) {
|
|
// Index already exists on the column
|
|
$found = true;
|
|
}
|
|
}
|
|
}
|
|
if (isset($options['primary']) && !empty($options['primary']) &&
|
|
in_array($local, $options['primary'])) {
|
|
// field is part of the PK and therefore already indexed
|
|
$found = true;
|
|
}
|
|
|
|
if ( ! $found) {
|
|
$options['indexes'][$local] = array('fields' => array($local => array()));
|
|
}
|
|
}
|
|
}
|
|
|
|
// add all indexes
|
|
if (isset($options['indexes']) && ! empty($options['indexes'])) {
|
|
foreach($options['indexes'] as $index => $definition) {
|
|
$queryFields .= ', ' . $this->getIndexDeclarationSql($index, $definition);
|
|
}
|
|
}
|
|
|
|
// attach all primary keys
|
|
if (isset($options['primary']) && ! empty($options['primary'])) {
|
|
$keyColumns = array_unique(array_values($options['primary']));
|
|
$keyColumns = array_map(array($this, 'quoteIdentifier'), $keyColumns);
|
|
$queryFields .= ', PRIMARY KEY(' . implode(', ', $keyColumns) . ')';
|
|
}
|
|
|
|
$query = 'CREATE ';
|
|
if (!empty($options['temporary'])) {
|
|
$query .= 'TEMPORARY ';
|
|
}
|
|
$query.= 'TABLE ' . $this->quoteIdentifier($name, true) . ' (' . $queryFields . ')';
|
|
|
|
$optionStrings = array();
|
|
|
|
if (isset($options['comment'])) {
|
|
$optionStrings['comment'] = 'COMMENT = ' . $this->quote($options['comment'], 'text');
|
|
}
|
|
if (isset($options['charset'])) {
|
|
$optionStrings['charset'] = 'DEFAULT CHARACTER SET ' . $options['charset'];
|
|
if (isset($options['collate'])) {
|
|
$optionStrings['charset'] .= ' COLLATE ' . $options['collate'];
|
|
}
|
|
}
|
|
|
|
$type = false;
|
|
|
|
// get the type of the table
|
|
if (isset($options['type'])) {
|
|
$type = $options['type'];
|
|
}/* else {
|
|
$type = $this->getAttribute(Doctrine::ATTR_DEFAULT_TABLE_TYPE);
|
|
}*/
|
|
|
|
if ($type) {
|
|
$optionStrings[] = 'ENGINE = ' . $type;
|
|
}
|
|
|
|
if ( ! empty($optionStrings)) {
|
|
$query.= ' '.implode(' ', $optionStrings);
|
|
}
|
|
$sql[] = $query;
|
|
|
|
if (isset($options['foreignKeys'])) {
|
|
foreach ((array) $options['foreignKeys'] as $k => $definition) {
|
|
if (is_array($definition)) {
|
|
$sql[] = $this->getCreateForeignKeySql($name, $definition);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL to alter an existing table.
|
|
*
|
|
* @param string $name The name of the table that is intended to be changed.
|
|
* @param array $changes Associative array that contains the details of each type
|
|
* of change that is intended to be performed. The types of
|
|
* changes that are currently supported are defined as follows:
|
|
*
|
|
* name
|
|
*
|
|
* New name for the table.
|
|
*
|
|
* add
|
|
*
|
|
* Associative array with the names of fields to be added as
|
|
* indexes of the array. The value of each entry of the array
|
|
* should be set to another associative array with the properties
|
|
* of the fields to be added. The properties of the fields should
|
|
* be the same as defined by the Metabase parser.
|
|
*
|
|
*
|
|
* remove
|
|
*
|
|
* Associative array with the names of fields to be removed as indexes
|
|
* of the array. Currently the values assigned to each entry are ignored.
|
|
* An empty array should be used for future compatibility.
|
|
*
|
|
* rename
|
|
*
|
|
* Associative array with the names of fields to be renamed as indexes
|
|
* of the array. The value of each entry of the array should be set to
|
|
* another associative array with the entry named name with the new
|
|
* field name and the entry named Declaration that is expected to contain
|
|
* the portion of the field declaration already in DBMS specific SQL code
|
|
* as it is used in the CREATE TABLE statement.
|
|
*
|
|
* change
|
|
*
|
|
* Associative array with the names of the fields to be changed as indexes
|
|
* of the array. Keep in mind that if it is intended to change either the
|
|
* name of a field and any other properties, the change array entries
|
|
* should have the new names of the fields as array indexes.
|
|
*
|
|
* The value of each entry of the array should be set to another associative
|
|
* array with the properties of the fields to that are meant to be changed as
|
|
* array entries. These entries should be assigned to the new values of the
|
|
* respective properties. The properties of the fields should be the same
|
|
* as defined by the Metabase parser.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'name' => 'userlist',
|
|
* 'add' => array(
|
|
* 'quota' => array(
|
|
* 'type' => 'integer',
|
|
* 'unsigned' => 1
|
|
* )
|
|
* ),
|
|
* 'remove' => array(
|
|
* 'file_limit' => array(),
|
|
* 'time_limit' => array()
|
|
* ),
|
|
* 'change' => array(
|
|
* 'name' => array(
|
|
* 'length' => '20',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 20,
|
|
* ),
|
|
* )
|
|
* ),
|
|
* 'rename' => array(
|
|
* 'sex' => array(
|
|
* 'name' => 'gender',
|
|
* 'definition' => array(
|
|
* 'type' => 'text',
|
|
* 'length' => 1,
|
|
* 'default' => 'M',
|
|
* ),
|
|
* )
|
|
* )
|
|
* )
|
|
*
|
|
* @param boolean $check indicates whether the function should just check if the DBMS driver
|
|
* can perform the requested table alterations if the value is true or
|
|
* actually perform them otherwise.
|
|
* @return boolean
|
|
* @override
|
|
*/
|
|
public function getAlterTableSql($name, array $changes, $check = false)
|
|
{
|
|
if ( ! $name) {
|
|
throw DoctrineException::updateMe('no valid table name specified');
|
|
}
|
|
foreach ($changes as $changeName => $change) {
|
|
switch ($changeName) {
|
|
case 'add':
|
|
case 'remove':
|
|
case 'change':
|
|
case 'rename':
|
|
case 'name':
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('change type "' . $changeName . '" not yet supported');
|
|
}
|
|
}
|
|
|
|
if ($check) {
|
|
return true;
|
|
}
|
|
|
|
$query = '';
|
|
if ( ! empty($changes['name'])) {
|
|
$change_name = $this->quoteIdentifier($changes['name']);
|
|
$query .= 'RENAME TO ' . $change_name;
|
|
}
|
|
|
|
if ( ! empty($changes['add']) && is_array($changes['add'])) {
|
|
foreach ($changes['add'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$query.= 'ADD ' . $this->getColumnDeclarationSql($fieldName, $field);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['remove']) && is_array($changes['remove'])) {
|
|
foreach ($changes['remove'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query .= ', ';
|
|
}
|
|
$fieldName = $this->quoteIdentifier($fieldName);
|
|
$query .= 'DROP ' . $fieldName;
|
|
}
|
|
}
|
|
|
|
$rename = array();
|
|
if ( ! empty($changes['rename']) && is_array($changes['rename'])) {
|
|
foreach ($changes['rename'] as $fieldName => $field) {
|
|
$rename[$field['name']] = $fieldName;
|
|
}
|
|
}
|
|
|
|
if ( ! empty($changes['change']) && is_array($changes['change'])) {
|
|
foreach ($changes['change'] as $fieldName => $field) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
if (isset($rename[$fieldName])) {
|
|
$oldFieldName = $rename[$fieldName];
|
|
unset($rename[$fieldName]);
|
|
} else {
|
|
$oldFieldName = $fieldName;
|
|
}
|
|
$oldFieldName = $this->quoteIdentifier($oldFieldName, true);
|
|
$query .= 'CHANGE ' . $oldFieldName . ' '
|
|
. $this->getColumnDeclarationSql($fieldName, $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! empty($rename) && is_array($rename)) {
|
|
foreach ($rename as $renameName => $renamedField) {
|
|
if ($query) {
|
|
$query.= ', ';
|
|
}
|
|
$field = $changes['rename'][$renamedField];
|
|
$renamedField = $this->quoteIdentifier($renamedField, true);
|
|
$query .= 'CHANGE ' . $renamedField . ' '
|
|
. $this->getColumnDeclarationSql($field['name'], $field['definition']);
|
|
}
|
|
}
|
|
|
|
if ( ! $query) {
|
|
return false;
|
|
}
|
|
|
|
$name = $this->quoteIdentifier($name, true);
|
|
|
|
return 'ALTER TABLE ' . $name . ' ' . $query;
|
|
}
|
|
|
|
/**
|
|
* Get the stucture of a field into an array
|
|
*
|
|
* @author Leoncx
|
|
* @param string $table name of the table on which the index is to be created
|
|
* @param string $name name of the index to be created
|
|
* @param array $definition associative array that defines properties of the index to be created.
|
|
* Currently, only one property named FIELDS is supported. This property
|
|
* is also an associative with the names of the index fields as array
|
|
* indexes. Each entry of this array is set to another type of associative
|
|
* array that specifies properties of the index that are specific to
|
|
* each field.
|
|
*
|
|
* Currently, only the sorting property is supported. It should be used
|
|
* to define the sorting direction of the index. It may be set to either
|
|
* ascending or descending.
|
|
*
|
|
* Not all DBMS support index sorting direction configuration. The DBMS
|
|
* drivers of those that do not support it ignore this property. Use the
|
|
* function supports() to determine whether the DBMS driver can manage indexes.
|
|
*
|
|
* Example
|
|
* array(
|
|
* 'fields' => array(
|
|
* 'user_name' => array(
|
|
* 'sorting' => 'ASC'
|
|
* 'length' => 10
|
|
* ),
|
|
* 'last_login' => array()
|
|
* )
|
|
* )
|
|
* @throws PDOException
|
|
* @return void
|
|
* @override
|
|
*/
|
|
public function getCreateIndexSql($table, $name, array $definition)
|
|
{
|
|
$table = $table;
|
|
$name = $this->quoteIdentifier($name);
|
|
$type = '';
|
|
if (isset($definition['type'])) {
|
|
switch (strtolower($definition['type'])) {
|
|
case 'fulltext':
|
|
case 'unique':
|
|
$type = strtoupper($definition['type']) . ' ';
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('Unknown index type ' . $definition['type']);
|
|
}
|
|
}
|
|
$query = 'CREATE ' . $type . 'INDEX ' . $name . ' ON ' . $table;
|
|
$query .= ' (' . $this->getIndexFieldDeclarationListSql($definition['fields']) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to declare an integer type
|
|
* field to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $name name the field to be declared.
|
|
* @param string $field associative array with the name of the properties
|
|
* of the field being declared as array indexes.
|
|
* Currently, the types of supported field
|
|
* properties are as follows:
|
|
*
|
|
* unsigned
|
|
* Boolean flag that indicates whether the field
|
|
* should be declared as unsigned integer if
|
|
* possible.
|
|
*
|
|
* default
|
|
* Integer value to be used as default for this
|
|
* field.
|
|
*
|
|
* notnull
|
|
* Boolean flag that indicates whether this field is
|
|
* constrained to not be set to null.
|
|
* @return string DBMS specific SQL code portion that should be used to
|
|
* declare the specified field.
|
|
* @override
|
|
*/
|
|
public function getIntegerTypeDeclarationSql(array $field)
|
|
{
|
|
return 'INT' . $this->_getCommonIntegerTypeDeclarationSql($field);
|
|
}
|
|
|
|
/** @override */
|
|
public function getBigIntTypeDeclarationSql(array $field)
|
|
{
|
|
return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSql($field);
|
|
}
|
|
|
|
/** @override */
|
|
public function getSmallIntTypeDeclarationSql(array $field)
|
|
{
|
|
return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSql($field);
|
|
}
|
|
|
|
/** @override */
|
|
protected function _getCommonIntegerTypeDeclarationSql(array $columnDef)
|
|
{
|
|
$autoinc = '';
|
|
if ( ! empty($columnDef['autoincrement'])) {
|
|
$autoinc = ' AUTO_INCREMENT';
|
|
}
|
|
$unsigned = (isset($columnDef['unsigned']) && $columnDef['unsigned']) ? ' UNSIGNED' : '';
|
|
|
|
return $unsigned . $autoinc;
|
|
}
|
|
|
|
/**
|
|
* Obtain DBMS specific SQL code portion needed to set an index
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @param string $charset name of the index
|
|
* @param array $definition index definition
|
|
* @return string DBMS specific SQL code portion needed to set an index
|
|
* @override
|
|
*/
|
|
public function getIndexDeclarationSql($name, array $definition)
|
|
{
|
|
$name = $this->formatter->getIndexName($name);
|
|
$type = '';
|
|
if (isset($definition['type'])) {
|
|
switch (strtolower($definition['type'])) {
|
|
case 'fulltext':
|
|
case 'unique':
|
|
$type = strtoupper($definition['type']) . ' ';
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('Unknown index type ' . $definition['type']);
|
|
}
|
|
}
|
|
|
|
if ( ! isset($definition['fields'])) {
|
|
throw DoctrineException::updateMe('No index columns given.');
|
|
}
|
|
if ( ! is_array($definition['fields'])) {
|
|
$definition['fields'] = array($definition['fields']);
|
|
}
|
|
|
|
$query = $type . 'INDEX ' . $this->quoteIdentifier($name);
|
|
|
|
$query .= ' (' . $this->getIndexFieldDeclarationListSql($definition['fields']) . ')';
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* getIndexFieldDeclarationList
|
|
* Obtain DBMS specific SQL code portion needed to set an index
|
|
* declaration to be used in statements like CREATE TABLE.
|
|
*
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getIndexFieldDeclarationListSql(array $fields)
|
|
{
|
|
$declFields = array();
|
|
|
|
foreach ($fields as $fieldName => $field) {
|
|
$fieldString = $this->quoteIdentifier($fieldName);
|
|
|
|
if (is_array($field)) {
|
|
if (isset($field['length'])) {
|
|
$fieldString .= '(' . $field['length'] . ')';
|
|
}
|
|
|
|
if (isset($field['sorting'])) {
|
|
$sort = strtoupper($field['sorting']);
|
|
switch ($sort) {
|
|
case 'ASC':
|
|
case 'DESC':
|
|
$fieldString .= ' ' . $sort;
|
|
break;
|
|
default:
|
|
throw DoctrineException::updateMe('Unknown index sorting option given.');
|
|
}
|
|
}
|
|
} else {
|
|
$fieldString = $this->quoteIdentifier($field);
|
|
}
|
|
$declFields[] = $fieldString;
|
|
}
|
|
return implode(', ', $declFields);
|
|
}
|
|
|
|
/**
|
|
* Return the FOREIGN KEY query section dealing with non-standard options
|
|
* as MATCH, INITIALLY DEFERRED, ON UPDATE, ...
|
|
*
|
|
* @param array $definition
|
|
* @return string
|
|
* @override
|
|
*/
|
|
public function getAdvancedForeignKeyOptionsSql(array $definition)
|
|
{
|
|
$query = '';
|
|
if ( ! empty($definition['match'])) {
|
|
$query .= ' MATCH ' . $definition['match'];
|
|
}
|
|
if ( ! empty($definition['onUpdate'])) {
|
|
$query .= ' ON UPDATE ' . $this->getForeignKeyReferentialActionSql($definition['onUpdate']);
|
|
}
|
|
if ( ! empty($definition['onDelete'])) {
|
|
$query .= ' ON DELETE ' . $this->getForeignKeyReferentialActionSql($definition['onDelete']);
|
|
}
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL to drop an index of a table.
|
|
*
|
|
* @param string $table name of table that should be used in method
|
|
* @param string $name name of the index to be dropped
|
|
* @override
|
|
*/
|
|
public function getDropIndexSql($table, $name)
|
|
{
|
|
$table = $this->quoteIdentifier($table);
|
|
$name = $this->quoteIdentifier($name);
|
|
return 'DROP INDEX ' . $name . ' ON ' . $table;
|
|
}
|
|
|
|
/**
|
|
* Gets the SQL to drop a table.
|
|
*
|
|
* @param string $table The name of table to drop.
|
|
* @override
|
|
*/
|
|
public function getDropTableSql($table)
|
|
{
|
|
return 'DROP TABLE ' . $this->quoteIdentifier($table);
|
|
}
|
|
|
|
/**
|
|
* Enter description here...
|
|
*
|
|
* @param unknown_type $level
|
|
* @override
|
|
*/
|
|
public function getSetTransactionIsolationSql($level)
|
|
{
|
|
return 'SET SESSION TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSql($level);
|
|
}
|
|
} |