146 lines
4.2 KiB
PHP
146 lines
4.2 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This file is part of CodeIgniter 4 framework.
|
|
*
|
|
* (c) CodeIgniter Foundation <admin@codeigniter.com>
|
|
*
|
|
* For the full copyright and license information, please view
|
|
* the LICENSE file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace CodeIgniter\Database\MySQLi;
|
|
|
|
use CodeIgniter\Database\BaseBuilder;
|
|
use CodeIgniter\Database\Exceptions\DatabaseException;
|
|
use CodeIgniter\Database\RawSql;
|
|
|
|
/**
|
|
* Builder for MySQLi
|
|
*/
|
|
class Builder extends BaseBuilder
|
|
{
|
|
/**
|
|
* Identifier escape character
|
|
*
|
|
* @var string
|
|
*/
|
|
protected $escapeChar = '`';
|
|
|
|
/**
|
|
* Specifies which sql statements
|
|
* support the ignore option.
|
|
*
|
|
* @var array
|
|
*/
|
|
protected $supportedIgnoreStatements = [
|
|
'update' => 'IGNORE',
|
|
'insert' => 'IGNORE',
|
|
'delete' => 'IGNORE',
|
|
];
|
|
|
|
/**
|
|
* FROM tables
|
|
*
|
|
* Groups tables in FROM clauses if needed, so there is no confusion
|
|
* about operator precedence.
|
|
*
|
|
* Note: This is only used (and overridden) by MySQL.
|
|
*/
|
|
protected function _fromTables(): string
|
|
{
|
|
if ($this->QBJoin !== [] && count($this->QBFrom) > 1) {
|
|
return '(' . implode(', ', $this->QBFrom) . ')';
|
|
}
|
|
|
|
return implode(', ', $this->QBFrom);
|
|
}
|
|
|
|
/**
|
|
* Generates a platform-specific batch update string from the supplied data
|
|
*/
|
|
protected function _updateBatch(string $table, array $keys, array $values): string
|
|
{
|
|
$sql = $this->QBOptions['sql'] ?? '';
|
|
|
|
// if this is the first iteration of batch then we need to build skeleton sql
|
|
if ($sql === '') {
|
|
$constraints = $this->QBOptions['constraints'] ?? [];
|
|
|
|
if ($constraints === []) {
|
|
if ($this->db->DBDebug) {
|
|
throw new DatabaseException('You must specify a constraint to match on for batch updates.'); // @codeCoverageIgnore
|
|
}
|
|
|
|
return ''; // @codeCoverageIgnore
|
|
}
|
|
|
|
$updateFields = $this->QBOptions['updateFields'] ??
|
|
$this->updateFields($keys, false, $constraints)->QBOptions['updateFields'] ??
|
|
[];
|
|
|
|
$alias = $this->QBOptions['alias'] ?? '`_u`';
|
|
|
|
$sql = 'UPDATE ' . $this->compileIgnore('update') . $table . "\n";
|
|
|
|
$sql .= "INNER JOIN (\n{:_table_:}";
|
|
|
|
$sql .= ') ' . $alias . "\n";
|
|
|
|
$sql .= 'ON ' . implode(
|
|
' AND ',
|
|
array_map(
|
|
static fn ($key, $value) => (
|
|
($value instanceof RawSql && is_string($key))
|
|
?
|
|
$table . '.' . $key . ' = ' . $value
|
|
:
|
|
(
|
|
$value instanceof RawSql
|
|
?
|
|
$value
|
|
:
|
|
$table . '.' . $value . ' = ' . $alias . '.' . $value
|
|
)
|
|
),
|
|
array_keys($constraints),
|
|
$constraints
|
|
)
|
|
) . "\n";
|
|
|
|
$sql .= "SET\n";
|
|
|
|
$sql .= implode(
|
|
",\n",
|
|
array_map(
|
|
static fn ($key, $value) => $table . '.' . $key . ($value instanceof RawSql ?
|
|
' = ' . $value :
|
|
' = ' . $alias . '.' . $value),
|
|
array_keys($updateFields),
|
|
$updateFields
|
|
)
|
|
);
|
|
|
|
$this->QBOptions['sql'] = $sql;
|
|
}
|
|
|
|
if (isset($this->QBOptions['setQueryAsData'])) {
|
|
$data = $this->QBOptions['setQueryAsData'];
|
|
} else {
|
|
$data = implode(
|
|
" UNION ALL\n",
|
|
array_map(
|
|
static fn ($value) => 'SELECT ' . implode(', ', array_map(
|
|
static fn ($key, $index) => $index . ' ' . $key,
|
|
$keys,
|
|
$value
|
|
)),
|
|
$values
|
|
)
|
|
) . "\n";
|
|
}
|
|
|
|
return str_replace('{:_table_:}', $data, $sql);
|
|
}
|
|
}
|