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SqlitePlatform.php
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SqlitePlatform.php
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<?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 MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\DBAL\Platforms;
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Schema\TableDiff;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Constraint;
/**
* The SqlitePlatform class describes the specifics and dialects of the SQLite
* database platform.
*
* @since 2.0
* @author Roman Borschel <roman@code-factory.org>
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Martin Hasoň <martin.hason@gmail.com>
* @todo Rename: SQLitePlatform
*/
class SqlitePlatform extends AbstractPlatform
{
/**
* {@inheritDoc}
*/
public function getRegexpExpression()
{
return 'RLIKE';
}
/**
* {@inheritDoc}
*/
public function getGuidExpression()
{
return "HEX(RANDOMBLOB(4)) || '-' || HEX(RANDOMBLOB(2)) || '-4' || "
. "SUBSTR(HEX(RANDOMBLOB(2)), 2) || '-' || "
. "SUBSTR('89AB', 1 + (ABS(RANDOM()) % 4), 1) || "
. "SUBSTR(HEX(RANDOMBLOB(2)), 2) || '-' || HEX(RANDOMBLOB(6))";
}
/**
* {@inheritDoc}
*/
public function getNowExpression($type = 'timestamp')
{
switch ($type) {
case 'time':
return 'time(\'now\')';
case 'date':
return 'date(\'now\')';
case 'timestamp':
default:
return 'datetime(\'now\')';
}
}
/**
* {@inheritDoc}
*/
public function getTrimExpression($str, $pos = self::TRIM_UNSPECIFIED, $char = false)
{
$trimChar = ($char != false) ? (', ' . $char) : '';
switch ($pos) {
case self::TRIM_LEADING:
$trimFn = 'LTRIM';
break;
case self::TRIM_TRAILING:
$trimFn = 'RTRIM';
break;
default:
$trimFn = 'TRIM';
}
return $trimFn . '(' . $str . $trimChar . ')';
}
/**
* {@inheritDoc}
*
* SQLite only supports the 2 parameter variant of this function
*/
public function getSubstringExpression($value, $position, $length = null)
{
if ($length !== null) {
return 'SUBSTR(' . $value . ', ' . $position . ', ' . $length . ')';
}
return 'SUBSTR(' . $value . ', ' . $position . ', LENGTH(' . $value . '))';
}
/**
* {@inheritDoc}
*/
public function getLocateExpression($str, $substr, $startPos = false)
{
if ($startPos == false) {
return 'LOCATE('.$str.', '.$substr.')';
}
return 'LOCATE('.$str.', '.$substr.', '.$startPos.')';
}
/**
* {@inheritDoc}
*/
public function getDateDiffExpression($date1, $date2)
{
return 'ROUND(JULIANDAY('.$date1 . ')-JULIANDAY('.$date2.'))';
}
/**
* {@inheritDoc}
*/
public function getDateAddDaysExpression($date, $days)
{
return "DATE(" . $date . ",'+". $days . " day')";
}
/**
* {@inheritDoc}
*/
public function getDateSubDaysExpression($date, $days)
{
return "DATE(" . $date . ",'-". $days . " day')";
}
/**
* {@inheritDoc}
*/
public function getDateAddMonthExpression($date, $months)
{
return "DATE(" . $date . ",'+". $months . " month')";
}
/**
* {@inheritDoc}
*/
public function getDateSubMonthExpression($date, $months)
{
return "DATE(" . $date . ",'-". $months . " month')";
}
/**
* {@inheritDoc}
*/
protected function _getTransactionIsolationLevelSQL($level)
{
switch ($level) {
case \Doctrine\DBAL\Connection::TRANSACTION_READ_UNCOMMITTED:
return 0;
case \Doctrine\DBAL\Connection::TRANSACTION_READ_COMMITTED:
case \Doctrine\DBAL\Connection::TRANSACTION_REPEATABLE_READ:
case \Doctrine\DBAL\Connection::TRANSACTION_SERIALIZABLE:
return 1;
default:
return parent::_getTransactionIsolationLevelSQL($level);
}
}
/**
* {@inheritDoc}
*/
public function getSetTransactionIsolationSQL($level)
{
return 'PRAGMA read_uncommitted = ' . $this->_getTransactionIsolationLevelSQL($level);
}
/**
* {@inheritDoc}
*/
public function prefersIdentityColumns()
{
return true;
}
/**
* {@inheritDoc}
*/
public function getBooleanTypeDeclarationSQL(array $field)
{
return 'BOOLEAN';
}
/**
* {@inheritDoc}
*/
public function getIntegerTypeDeclarationSQL(array $field)
{
return $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getBigIntTypeDeclarationSQL(array $field)
{
return $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getTinyIntTypeDeclarationSql(array $field)
{
return $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getSmallIntTypeDeclarationSQL(array $field)
{
return $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getMediumIntTypeDeclarationSql(array $field)
{
return $this->_getCommonIntegerTypeDeclarationSQL($field);
}
/**
* {@inheritDoc}
*/
public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
{
return 'DATETIME';
}
/**
* {@inheritDoc}
*/
public function getDateTypeDeclarationSQL(array $fieldDeclaration)
{
return 'DATE';
}
/**
* {@inheritDoc}
*/
public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
{
return 'TIME';
}
/**
* {@inheritDoc}
*/
protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
{
return 'INTEGER';
}
/**
* {@inheritDoc}
*/
protected function _getCreateTableSQL($name, array $columns, array $options = array())
{
$name = str_replace('.', '__', $name);
$queryFields = $this->getColumnDeclarationListSQL($columns);
if (isset($options['uniqueConstraints']) && ! empty($options['uniqueConstraints'])) {
foreach ($options['uniqueConstraints'] as $name => $definition) {
$queryFields .= ', ' . $this->getUniqueConstraintDeclarationSQL($name, $definition);
}
}
if (isset($options['primary']) && ! empty($options['primary'])) {
$keyColumns = array_unique(array_values($options['primary']));
$queryFields.= ', PRIMARY KEY('.implode(', ', $keyColumns).')';
}
if (isset($options['foreignKeys'])) {
foreach ($options['foreignKeys'] as $foreignKey) {
$queryFields.= ', '.$this->getForeignKeyDeclarationSQL($foreignKey);
}
}
$query[] = 'CREATE TABLE ' . $name . ' (' . $queryFields . ')';
if (isset($options['alter']) && true === $options['alter']) {
return $query;
}
if (isset($options['indexes']) && ! empty($options['indexes'])) {
foreach ($options['indexes'] as $index => $indexDef) {
$query[] = $this->getCreateIndexSQL($indexDef, $name);
}
}
if (isset($options['unique']) && ! empty($options['unique'])) {
foreach ($options['unique'] as $index => $indexDef) {
$query[] = $this->getCreateIndexSQL($indexDef, $name);
}
}
return $query;
}
/**
* {@inheritDoc}
*/
protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
{
return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)')
: ($length ? 'VARCHAR(' . $length . ')' : 'TEXT');
}
/**
* {@inheritDoc}
*/
public function getClobTypeDeclarationSQL(array $field)
{
return 'CLOB';
}
/**
* {@inheritDoc}
*/
public function getListTableConstraintsSQL($table)
{
$table = str_replace('.', '__', $table);
return "SELECT sql FROM sqlite_master WHERE type='index' AND tbl_name = '$table' AND sql NOT NULL ORDER BY name";
}
/**
* {@inheritDoc}
*/
public function getListTableColumnsSQL($table, $currentDatabase = null)
{
$table = str_replace('.', '__', $table);
return "PRAGMA table_info($table)";
}
/**
* {@inheritDoc}
*/
public function getListTableIndexesSQL($table, $currentDatabase = null)
{
$table = str_replace('.', '__', $table);
return "PRAGMA index_list($table)";
}
/**
* {@inheritDoc}
*/
public function getListTablesSQL()
{
return "SELECT name FROM sqlite_master WHERE type = 'table' AND name != 'sqlite_sequence' AND name != 'geometry_columns' AND name != 'spatial_ref_sys' "
. "UNION ALL SELECT name FROM sqlite_temp_master "
. "WHERE type = 'table' ORDER BY name";
}
/**
* {@inheritDoc}
*/
public function getListViewsSQL($database)
{
return "SELECT name, sql FROM sqlite_master WHERE type='view' AND sql NOT NULL";
}
/**
* {@inheritDoc}
*/
public function getCreateViewSQL($name, $sql)
{
return 'CREATE VIEW ' . $name . ' AS ' . $sql;
}
/**
* {@inheritDoc}
*/
public function getDropViewSQL($name)
{
return 'DROP VIEW '. $name;
}
/**
* {@inheritDoc}
*/
public function getAdvancedForeignKeyOptionsSQL(ForeignKeyConstraint $foreignKey)
{
$query = parent::getAdvancedForeignKeyOptionsSQL($foreignKey);
$query .= (($foreignKey->hasOption('deferrable') && $foreignKey->getOption('deferrable') !== false) ? ' ' : ' NOT ') . 'DEFERRABLE';
$query .= ' INITIALLY ' . (($foreignKey->hasOption('deferred') && $foreignKey->getOption('deferred') !== false) ? 'DEFERRED' : 'IMMEDIATE');
return $query;
}
/**
* {@inheritDoc}
*/
public function supportsIdentityColumns()
{
return true;
}
/**
* {@inheritDoc}
*/
public function getName()
{
return 'sqlite';
}
/**
* {@inheritDoc}
*/
public function getTruncateTableSQL($tableName, $cascade = false)
{
$tableName = str_replace('.', '__', $tableName);
return 'DELETE FROM '.$tableName;
}
/**
* User-defined function for Sqlite that is used with PDO::sqliteCreateFunction()
*
* @param int|float $value
*
* @return float
*/
static public function udfSqrt($value)
{
return sqrt($value);
}
/**
* User-defined function for Sqlite that implements MOD(a, b)
*
* @param integer $a
* @param integer $b
*
* @return integer
*/
static public function udfMod($a, $b)
{
return ($a % $b);
}
/**
* @param string $str
* @param string $substr
* @param integer $offset
*
* @return integer
*/
static public function udfLocate($str, $substr, $offset = 0)
{
$pos = strpos($str, $substr, $offset);
if ($pos !== false) {
return $pos+1;
}
return 0;
}
/**
* {@inheritDoc}
*/
public function getForUpdateSql()
{
return '';
}
/**
* {@inheritDoc}
*/
protected function initializeDoctrineTypeMappings()
{
$this->doctrineTypeMapping = array(
'boolean' => 'boolean',
'tinyint' => 'boolean',
'smallint' => 'smallint',
'mediumint' => 'integer',
'int' => 'integer',
'integer' => 'integer',
'serial' => 'integer',
'bigint' => 'bigint',
'bigserial' => 'bigint',
'clob' => 'text',
'tinytext' => 'text',
'mediumtext' => 'text',
'longtext' => 'text',
'text' => 'text',
'varchar' => 'string',
'longvarchar' => 'string',
'varchar2' => 'string',
'nvarchar' => 'string',
'image' => 'string',
'ntext' => 'string',
'char' => 'string',
'date' => 'date',
'datetime' => 'datetime',
'timestamp' => 'datetime',
'time' => 'time',
'float' => 'float',
'double' => 'float',
'double precision' => 'float',
'real' => 'float',
'decimal' => 'decimal',
'numeric' => 'decimal',
'blob' => 'blob',
'integer unsigned' => 'integer',
);
}
/**
* {@inheritDoc}
*/
protected function getReservedKeywordsClass()
{
return 'Doctrine\DBAL\Platforms\Keywords\SQLiteKeywords';
}
/**
* {@inheritDoc}
*/
protected function getPreAlterTableIndexForeignKeySQL(TableDiff $diff)
{
if ( ! $diff->fromTable instanceof Table) {
throw new DBALException('Sqlite platform requires for alter table the table diff with reference to original table schema');
}
$sql = array();
foreach ($diff->fromTable->getIndexes() as $index) {
if ( ! $index->isPrimary()) {
$sql[] = $this->getDropIndexSQL($index, $diff->name);
}
}
return $sql;
}
/**
* {@inheritDoc}
*/
protected function getPostAlterTableIndexForeignKeySQL(TableDiff $diff)
{
if ( ! $diff->fromTable instanceof Table) {
throw new DBALException('Sqlite platform requires for alter table the table diff with reference to original table schema');
}
$sql = array();
$tableName = $diff->newName ?: $diff->name;
foreach ($this->getIndexesInAlteredTable($diff) as $indexName => $index) {
if ($index->isPrimary()) {
continue;
}
$sql[] = $this->getCreateIndexSQL($index, $tableName);
}
return $sql;
}
/**
* {@inheritDoc}
*/
public function getBlobTypeDeclarationSQL(array $field)
{
return 'BLOB';
}
/**
* {@inheritDoc}
*/
public function getTemporaryTableName($tableName)
{
$tableName = str_replace('.', '__', $tableName);
return $tableName;
}
/**
* {@inheritDoc}
*
* Sqlite Platform emulates schema by underscoring each dot and generating tables
* into the default database.
*
* This hack is implemented to be able to use SQLite as testdriver when
* using schema supporting databases.
*/
public function canEmulateSchemas()
{
return true;
}
/**
* {@inheritDoc}
*/
public function supportsForeignKeyConstraints()
{
return false;
}
/**
* {@inheritDoc}
*/
public function getCreatePrimaryKeySQL(Index $index, $table)
{
throw new DBALException('Sqlite platform does not support alter primary key.');
}
/**
* {@inheritdoc}
*/
public function getCreateForeignKeySQL(ForeignKeyConstraint $foreignKey, $table)
{
throw new DBALException('Sqlite platform does not support alter foreign key.');
}
/**
* {@inheritdoc}
*/
public function getDropForeignKeySQL($foreignKey, $table)
{
throw new DBALException('Sqlite platform does not support alter foreign key.');
}
/**
* {@inheritDoc}
*/
public function getCreateConstraintSQL(Constraint $constraint, $table)
{
throw new DBALException('Sqlite platform does not support alter constraint.');
}
/**
* {@inheritDoc}
*/
public function getCreateTableSQL(Table $table, $createFlags = null)
{
$createFlags = null === $createFlags ? self::CREATE_INDEXES | self::CREATE_FOREIGNKEYS : $createFlags;
return parent::getCreateTableSQL($table, $createFlags);
}
/**
* {@inheritDoc}
*/
public function getListTableForeignKeysSQL($table, $database = null)
{
$table = str_replace('.', '__', $table);
return "PRAGMA foreign_key_list($table)";
}
/**
* {@inheritDoc}
*/
public function getAlterTableSQL(TableDiff $diff)
{
$sql = $this->getSimpleAlterTableSQL($diff);
if (false !== $sql) {
return $sql;
}
$fromTable = $diff->fromTable;
if ( ! $fromTable instanceof Table) {
throw new DBALException('Sqlite platform requires for alter table the table diff with reference to original table schema');
}
$table = clone $fromTable;
$columns = array();
$oldColumnNames = array();
$newColumnNames = array();
$columnSql = array();
foreach ($table->getColumns() as $columnName => $column) {
$columnName = strtolower($columnName);
$columns[$columnName] = $column;
$oldColumnNames[$columnName] = $newColumnNames[$columnName] = $column->getQuotedName($this);
}
foreach ($diff->removedColumns as $columnName => $column) {
if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
continue;
}
$columnName = strtolower($columnName);
if (isset($columns[$columnName])) {
unset($columns[$columnName]);
unset($oldColumnNames[$columnName]);
unset($newColumnNames[$columnName]);
}
}
foreach ($diff->renamedColumns as $oldColumnName => $column) {
if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
continue;
}
$oldColumnName = strtolower($oldColumnName);
if (isset($columns[$oldColumnName])) {
unset($columns[$oldColumnName]);
}
$columns[strtolower($column->getName())] = $column;
if (isset($newColumnNames[$oldColumnName])) {
$newColumnNames[$oldColumnName] = $column->getQuotedName($this);
}
}
foreach ($diff->changedColumns as $oldColumnName => $columnDiff) {
if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
continue;
}
if (isset($columns[$oldColumnName])) {
unset($columns[$oldColumnName]);
}
$columns[strtolower($columnDiff->column->getName())] = $columnDiff->column;
if (isset($newColumnNames[$oldColumnName])) {
$newColumnNames[$oldColumnName] = $columnDiff->column->getQuotedName($this);
}
}
foreach ($diff->addedColumns as $columnName => $column) {
if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
continue;
}
$columns[strtolower($columnName)] = $column;
}
$sql = array();
$tableSql = array();
if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
$newTableName = $diff->newName ?: $diff->name;
$dataTable = new Table('__temp__'.$table->getName());
$newTable = new Table($table->getName(), $columns, $this->getPrimaryIndexInAlteredTable($diff), $this->getForeignKeysInAlteredTable($diff), 0, $table->getOptions());
$newTable->addOption('alter', true);
$sql = $this->getPreAlterTableIndexForeignKeySQL($diff);
//$sql = array_merge($sql, $this->getCreateTableSQL($dataTable, 0));
$sql[] = sprintf('CREATE TEMPORARY TABLE %s AS SELECT %s FROM %s', $dataTable->getQuotedName($this), implode(', ', $oldColumnNames), $table->getQuotedName($this));
$sql[] = $this->getDropTableSQL($fromTable);
$sql = array_merge($sql, $this->getCreateTableSQL($newTable));
$sql[] = sprintf('INSERT INTO %s (%s) SELECT %s FROM %s', $newTable->getQuotedName($this), implode(', ', $newColumnNames), implode(', ', $oldColumnNames), $dataTable->getQuotedName($this));
$sql[] = $this->getDropTableSQL($dataTable);
if ($diff->newName && $diff->newName != $diff->name) {
$renamedTable = new Table($diff->newName);
$sql[] = 'ALTER TABLE '.$newTable->getQuotedName($this).' RENAME TO '.$renamedTable->getQuotedName($this);
}
$sql = array_merge($sql, $this->getPostAlterTableIndexForeignKeySQL($diff));
}
return array_merge($sql, $tableSql, $columnSql);
}
private function getSimpleAlterTableSQL(TableDiff $diff)
{
if ( ! empty($diff->renamedColumns) || ! empty($diff->addedForeignKeys) || ! empty($diff->addedIndexes)
|| ! empty($diff->changedColumns) || ! empty($diff->changedForeignKeys) || ! empty($diff->changedIndexes)
|| ! empty($diff->removedColumns) || ! empty($diff->removedForeignKeys) || ! empty($diff->removedIndexes)
) {
return false;
}
$table = new Table($diff->name);
$sql = array();
$tableSql = array();
$columnSql = array();
foreach ($diff->addedColumns as $columnName => $column) {
if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
continue;
}
$field = array_merge(array('unique' => null, 'autoincrement' => null, 'default' => null), $column->toArray());
$type = (string) $field['type'];
switch (true) {
case isset($field['columnDefinition']) || $field['autoincrement'] || $field['unique']:
case $type == 'DateTime' && $field['default'] == $this->getCurrentTimestampSQL():
case $type == 'Date' && $field['default'] == $this->getCurrentDateSQL():
case $type == 'Time' && $field['default'] == $this->getCurrentTimeSQL():
return false;
}
$field['name'] = $column->getQuotedName($this);
if (strtolower($field['type']) == 'string' && $field['length'] === null) {
$field['length'] = 255;
}
$sql[] = 'ALTER TABLE '.$table->getQuotedName($this).' ADD COLUMN '.$this->getColumnDeclarationSQL($field['name'], $field);
}
if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
if ($diff->newName !== false) {
$newTable = new Table($diff->newName);
$sql[] = 'ALTER TABLE '.$table->getQuotedName($this).' RENAME TO '.$newTable->getQuotedName($this);
}
}
return array_merge($sql, $tableSql, $columnSql);
}
private function getColumnNamesInAlteredTable(TableDiff $diff)
{
$columns = array();
foreach ($diff->fromTable->getColumns() as $columnName => $column) {
$columns[strtolower($columnName)] = $column->getName();
}
foreach ($diff->removedColumns as $columnName => $column) {
$columnName = strtolower($columnName);
if (isset($columns[$columnName])) {
unset($columns[$columnName]);
}
}
foreach ($diff->renamedColumns as $oldColumnName => $column) {
$columnName = $column->getName();
$columns[strtolower($oldColumnName)] = $columnName;
$columns[strtolower($columnName)] = $columnName;
}
foreach ($diff->changedColumns as $oldColumnName => $columnDiff) {
$columnName = $columnDiff->column->getName();
$columns[strtolower($oldColumnName)] = $columnName;
$columns[strtolower($columnName)] = $columnName;
}
foreach ($diff->addedColumns as $columnName => $column) {
$columns[strtolower($columnName)] = $columnName;
}
return $columns;
}
private function getIndexesInAlteredTable(TableDiff $diff)
{
$indexes = $diff->fromTable->getIndexes();
$columnNames = $this->getColumnNamesInAlteredTable($diff);
foreach ($indexes as $key => $index) {
$changed = false;
$indexColumns = array();
foreach ($index->getColumns() as $columnName) {
$normalizedColumnName = strtolower($columnName);
if ( ! isset($columnNames[$normalizedColumnName])) {
unset($indexes[$key]);
continue 2;
} else {
$indexColumns[] = $columnNames[$normalizedColumnName];
if ($columnName !== $columnNames[$normalizedColumnName]) {
$changed = true;
}
}
}
if ($changed) {
$indexes[$key] = new Index($index->getName(), $indexColumns, $index->isUnique(), $index->isPrimary(), $index->getFlags());
}
}
foreach ($diff->removedIndexes as $index) {
$indexName = strtolower($index->getName());
if (strlen($indexName) && isset($indexes[$indexName])) {
unset($indexes[$indexName]);
}
}
foreach (array_merge($diff->changedIndexes, $diff->addedIndexes) as $index) {
$indexName = strtolower($index->getName());
if (strlen($indexName)) {
$indexes[$indexName] = $index;
} else {
$indexes[] = $index;
}
}
return $indexes;
}
private function getForeignKeysInAlteredTable(TableDiff $diff)
{
$foreignKeys = $diff->fromTable->getForeignKeys();
$columnNames = $this->getColumnNamesInAlteredTable($diff);
foreach ($foreignKeys as $key => $constraint) {
$changed = false;
$localColumns = array();
foreach ($constraint->getLocalColumns() as $columnName) {
$normalizedColumnName = strtolower($columnName);
if ( ! isset($columnNames[$normalizedColumnName])) {
unset($foreignKeys[$key]);
continue 2;
} else {
$localColumns[] = $columnNames[$normalizedColumnName];
if ($columnName !== $columnNames[$normalizedColumnName]) {
$changed = true;
}
}
}
if ($changed) {
$foreignKeys[$key] = new ForeignKeyConstraint($localColumns, $constraint->getForeignTableName(), $constraint->getForeignColumns(), $constraint->getName(), $constraint->getOptions());
}
}
foreach ($diff->removedForeignKeys as $constraint) {
$constraintName = strtolower($constraint->getName());
if (strlen($constraintName) && isset($foreignKeys[$constraintName])) {
unset($foreignKeys[$constraintName]);
}
}
foreach (array_merge($diff->changedForeignKeys, $diff->addedForeignKeys) as $constraint) {
$constraintName = strtolower($constraint->getName());
if (strlen($constraintName)) {
$foreignKeys[$constraintName] = $constraint;
} else {
$foreignKeys[] = $constraint;
}
}
return $foreignKeys;
}
private function getPrimaryIndexInAlteredTable(TableDiff $diff)
{
$primaryIndex = array();
foreach ($this->getIndexesInAlteredTable($diff) as $index) {
if ($index->isPrimary()) {
$primaryIndex = array($index->getName() => $index);
}
}
return $primaryIndex;
}
}