295 lines
10 KiB
PHP
295 lines
10 KiB
PHP
<?php
|
|
/**
|
|
* @link http://www.yiiframework.com/
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
* @license http://www.yiiframework.com/license/
|
|
*/
|
|
|
|
namespace yii\db\cubrid;
|
|
|
|
use yii\base\InvalidArgumentException;
|
|
use yii\base\NotSupportedException;
|
|
use yii\db\Constraint;
|
|
use yii\db\Exception;
|
|
use yii\db\Expression;
|
|
|
|
/**
|
|
* QueryBuilder is the query builder for CUBRID databases (version 9.3.x and higher).
|
|
*
|
|
* @author Carsten Brandt <mail@cebe.cc>
|
|
* @since 2.0
|
|
*/
|
|
class QueryBuilder extends \yii\db\QueryBuilder
|
|
{
|
|
/**
|
|
* @var array mapping from abstract column types (keys) to physical column types (values).
|
|
*/
|
|
public $typeMap = [
|
|
Schema::TYPE_PK => 'int NOT NULL AUTO_INCREMENT PRIMARY KEY',
|
|
Schema::TYPE_UPK => 'int UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY',
|
|
Schema::TYPE_BIGPK => 'bigint NOT NULL AUTO_INCREMENT PRIMARY KEY',
|
|
Schema::TYPE_UBIGPK => 'bigint UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY',
|
|
Schema::TYPE_CHAR => 'char(1)',
|
|
Schema::TYPE_STRING => 'varchar(255)',
|
|
Schema::TYPE_TEXT => 'varchar',
|
|
Schema::TYPE_TINYINT => 'smallint',
|
|
Schema::TYPE_SMALLINT => 'smallint',
|
|
Schema::TYPE_INTEGER => 'int',
|
|
Schema::TYPE_BIGINT => 'bigint',
|
|
Schema::TYPE_FLOAT => 'float(7)',
|
|
Schema::TYPE_DOUBLE => 'double(15)',
|
|
Schema::TYPE_DECIMAL => 'decimal(10,0)',
|
|
Schema::TYPE_DATETIME => 'datetime',
|
|
Schema::TYPE_TIMESTAMP => 'timestamp',
|
|
Schema::TYPE_TIME => 'time',
|
|
Schema::TYPE_DATE => 'date',
|
|
Schema::TYPE_BINARY => 'blob',
|
|
Schema::TYPE_BOOLEAN => 'smallint',
|
|
Schema::TYPE_MONEY => 'decimal(19,4)',
|
|
];
|
|
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
protected function defaultExpressionBuilders()
|
|
{
|
|
return array_merge(parent::defaultExpressionBuilders(), [
|
|
'yii\db\conditions\LikeCondition' => 'yii\db\cubrid\conditions\LikeConditionBuilder',
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @see https://www.cubrid.org/manual/en/9.3.0/sql/query/merge.html
|
|
*/
|
|
public function upsert($table, $insertColumns, $updateColumns, &$params)
|
|
{
|
|
/** @var Constraint[] $constraints */
|
|
list($uniqueNames, $insertNames, $updateNames) = $this->prepareUpsertColumns($table, $insertColumns, $updateColumns, $constraints);
|
|
if (empty($uniqueNames)) {
|
|
return $this->insert($table, $insertColumns, $params);
|
|
}
|
|
if ($updateNames === []) {
|
|
// there are no columns to update
|
|
$updateColumns = false;
|
|
}
|
|
|
|
$onCondition = ['or'];
|
|
$quotedTableName = $this->db->quoteTableName($table);
|
|
foreach ($constraints as $constraint) {
|
|
$constraintCondition = ['and'];
|
|
foreach ($constraint->columnNames as $name) {
|
|
$quotedName = $this->db->quoteColumnName($name);
|
|
$constraintCondition[] = "$quotedTableName.$quotedName=\"EXCLUDED\".$quotedName";
|
|
}
|
|
$onCondition[] = $constraintCondition;
|
|
}
|
|
$on = $this->buildCondition($onCondition, $params);
|
|
list(, $placeholders, $values, $params) = $this->prepareInsertValues($table, $insertColumns, $params);
|
|
$mergeSql = 'MERGE INTO ' . $this->db->quoteTableName($table) . ' '
|
|
. 'USING (' . (!empty($placeholders) ? 'VALUES (' . implode(', ', $placeholders) . ')' : ltrim($values, ' ')) . ') AS "EXCLUDED" (' . implode(', ', $insertNames) . ') '
|
|
. "ON ($on)";
|
|
$insertValues = [];
|
|
foreach ($insertNames as $name) {
|
|
$quotedName = $this->db->quoteColumnName($name);
|
|
if (strrpos($quotedName, '.') === false) {
|
|
$quotedName = '"EXCLUDED".' . $quotedName;
|
|
}
|
|
$insertValues[] = $quotedName;
|
|
}
|
|
$insertSql = 'INSERT (' . implode(', ', $insertNames) . ')'
|
|
. ' VALUES (' . implode(', ', $insertValues) . ')';
|
|
if ($updateColumns === false) {
|
|
return "$mergeSql WHEN NOT MATCHED THEN $insertSql";
|
|
}
|
|
|
|
if ($updateColumns === true) {
|
|
$updateColumns = [];
|
|
foreach ($updateNames as $name) {
|
|
$quotedName = $this->db->quoteColumnName($name);
|
|
if (strrpos($quotedName, '.') === false) {
|
|
$quotedName = '"EXCLUDED".' . $quotedName;
|
|
}
|
|
$updateColumns[$name] = new Expression($quotedName);
|
|
}
|
|
}
|
|
list($updates, $params) = $this->prepareUpdateSets($table, $updateColumns, $params);
|
|
$updateSql = 'UPDATE SET ' . implode(', ', $updates);
|
|
return "$mergeSql WHEN MATCHED THEN $updateSql WHEN NOT MATCHED THEN $insertSql";
|
|
}
|
|
|
|
/**
|
|
* Creates a SQL statement for resetting the sequence value of a table's primary key.
|
|
* The sequence will be reset such that the primary key of the next new row inserted
|
|
* will have the specified value or 1.
|
|
* @param string $tableName the name of the table whose primary key sequence will be reset
|
|
* @param mixed $value the value for the primary key of the next new row inserted. If this is not set,
|
|
* the next new row's primary key will have a value 1.
|
|
* @return string the SQL statement for resetting sequence
|
|
* @throws InvalidArgumentException if the table does not exist or there is no sequence associated with the table.
|
|
*/
|
|
public function resetSequence($tableName, $value = null)
|
|
{
|
|
$table = $this->db->getTableSchema($tableName);
|
|
if ($table !== null && $table->sequenceName !== null) {
|
|
$tableName = $this->db->quoteTableName($tableName);
|
|
if ($value === null) {
|
|
$key = reset($table->primaryKey);
|
|
$value = (int) $this->db->createCommand("SELECT MAX(`$key`) FROM " . $this->db->schema->quoteTableName($tableName))->queryScalar() + 1;
|
|
} else {
|
|
$value = (int) $value;
|
|
}
|
|
|
|
return 'ALTER TABLE ' . $this->db->schema->quoteTableName($tableName) . " AUTO_INCREMENT=$value;";
|
|
} elseif ($table === null) {
|
|
throw new InvalidArgumentException("Table not found: $tableName");
|
|
}
|
|
|
|
throw new InvalidArgumentException("There is not sequence associated with table '$tableName'.");
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function buildLimit($limit, $offset)
|
|
{
|
|
$sql = '';
|
|
// limit is not optional in CUBRID
|
|
// http://www.cubrid.org/manual/90/en/LIMIT%20Clause
|
|
// "You can specify a very big integer for row_count to display to the last row, starting from a specific row."
|
|
if ($this->hasLimit($limit)) {
|
|
$sql = 'LIMIT ' . $limit;
|
|
if ($this->hasOffset($offset)) {
|
|
$sql .= ' OFFSET ' . $offset;
|
|
}
|
|
} elseif ($this->hasOffset($offset)) {
|
|
$sql = "LIMIT 9223372036854775807 OFFSET $offset"; // 2^63-1
|
|
}
|
|
|
|
return $sql;
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @since 2.0.8
|
|
*/
|
|
public function selectExists($rawSql)
|
|
{
|
|
return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END';
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @see http://www.cubrid.org/manual/93/en/sql/schema/table.html#drop-index-clause
|
|
*/
|
|
public function dropIndex($name, $table)
|
|
{
|
|
/** @var Schema $schema */
|
|
$schema = $this->db->getSchema();
|
|
foreach ($schema->getTableUniques($table) as $unique) {
|
|
if ($unique->name === $name) {
|
|
return $this->dropUnique($name, $table);
|
|
}
|
|
}
|
|
|
|
return 'DROP INDEX ' . $this->db->quoteTableName($name) . ' ON ' . $this->db->quoteTableName($table);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @throws NotSupportedException this is not supported by CUBRID.
|
|
*/
|
|
public function addCheck($name, $table, $expression)
|
|
{
|
|
throw new NotSupportedException(__METHOD__ . ' is not supported by CUBRID.');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @throws NotSupportedException this is not supported by CUBRID.
|
|
*/
|
|
public function dropCheck($name, $table)
|
|
{
|
|
throw new NotSupportedException(__METHOD__ . ' is not supported by CUBRID.');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @since 2.0.8
|
|
*/
|
|
public function addCommentOnColumn($table, $column, $comment)
|
|
{
|
|
$definition = $this->getColumnDefinition($table, $column);
|
|
$definition = trim(preg_replace("/COMMENT '(.*?)'/i", '', $definition));
|
|
|
|
return 'ALTER TABLE ' . $this->db->quoteTableName($table)
|
|
. ' CHANGE ' . $this->db->quoteColumnName($column)
|
|
. ' ' . $this->db->quoteColumnName($column)
|
|
. (empty($definition) ? '' : ' ' . $definition)
|
|
. ' COMMENT ' . $this->db->quoteValue($comment);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @since 2.0.8
|
|
*/
|
|
public function addCommentOnTable($table, $comment)
|
|
{
|
|
return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' COMMENT ' . $this->db->quoteValue($comment);
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @since 2.0.8
|
|
*/
|
|
public function dropCommentFromColumn($table, $column)
|
|
{
|
|
return $this->addCommentOnColumn($table, $column, '');
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
* @since 2.0.8
|
|
*/
|
|
public function dropCommentFromTable($table)
|
|
{
|
|
return $this->addCommentOnTable($table, '');
|
|
}
|
|
|
|
|
|
/**
|
|
* Gets column definition.
|
|
*
|
|
* @param string $table table name
|
|
* @param string $column column name
|
|
* @return null|string the column definition
|
|
* @throws Exception in case when table does not contain column
|
|
* @since 2.0.8
|
|
*/
|
|
private function getColumnDefinition($table, $column)
|
|
{
|
|
$row = $this->db->createCommand('SHOW CREATE TABLE ' . $this->db->quoteTableName($table))->queryOne();
|
|
if ($row === false) {
|
|
throw new Exception("Unable to find column '$column' in table '$table'.");
|
|
}
|
|
if (isset($row['Create Table'])) {
|
|
$sql = $row['Create Table'];
|
|
} else {
|
|
$row = array_values($row);
|
|
$sql = $row[1];
|
|
}
|
|
$sql = preg_replace('/^[^(]+\((.*)\).*$/', '\1', $sql);
|
|
$sql = str_replace(', [', ",\n[", $sql);
|
|
if (preg_match_all('/^\s*\[(.*?)\]\s+(.*?),?$/m', $sql, $matches)) {
|
|
foreach ($matches[1] as $i => $c) {
|
|
if ($c === $column) {
|
|
return $matches[2][$i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return null;
|
|
}
|
|
}
|