First Local Commit - After Clean up.
Signed-off-by: Rick Hays <rhays@haysgang.com>
This commit is contained in:
279
system/Database/MySQLi/Forge.php
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279
system/Database/MySQLi/Forge.php
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<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014-2019 British Columbia Institute of Technology
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* Copyright (c) 2019 CodeIgniter Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author CodeIgniter Dev Team
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* @copyright 2019 CodeIgniter Foundation
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 4.0.0
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* @filesource
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*/
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namespace CodeIgniter\Database\MySQLi;
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/**
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* Forge for MySQLi
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*/
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class Forge extends \CodeIgniter\Database\Forge
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{
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/**
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* CREATE DATABASE statement
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*
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* @var string
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*/
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protected $createDatabaseStr = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s';
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/**
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* CREATE DATABASE IF statement
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*
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* @var string
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*/
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protected $createDatabaseIfStr = 'CREATE DATABASE IF NOT EXISTS %s CHARACTER SET %s COLLATE %s';
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/**
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* DROP CONSTRAINT statement
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*
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* @var string
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*/
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protected $dropConstraintStr = 'ALTER TABLE %s DROP FOREIGN KEY %s';
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/**
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* CREATE TABLE keys flag
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*
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* Whether table keys are created from within the
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* CREATE TABLE statement.
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*
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* @var boolean
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*/
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protected $createTableKeys = true;
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/**
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* UNSIGNED support
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*
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* @var array
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*/
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protected $_unsigned = [
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'TINYINT',
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'SMALLINT',
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'MEDIUMINT',
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'INT',
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'INTEGER',
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'BIGINT',
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'REAL',
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'DOUBLE',
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'DOUBLE PRECISION',
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'FLOAT',
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'DECIMAL',
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'NUMERIC',
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];
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/**
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* Table Options list which required to be quoted
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*
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* @var array
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*/
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protected $_quoted_table_options = [
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'COMMENT',
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'COMPRESSION',
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'CONNECTION',
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'DATA DIRECTORY',
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'INDEX DIRECTORY',
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'ENCRYPTION',
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'PASSWORD',
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];
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/**
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* NULL value representation in CREATE/ALTER TABLE statements
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*
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* @var string
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*/
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protected $_null = 'NULL';
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//--------------------------------------------------------------------
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/**
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* CREATE TABLE attributes
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*
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* @param array $attributes Associative array of table attributes
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* @return string
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*/
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protected function _createTableAttributes(array $attributes): string
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{
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$sql = '';
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foreach (array_keys($attributes) as $key)
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{
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if (is_string($key))
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{
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$sql .= ' ' . strtoupper($key) . ' = ';
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if (in_array(strtoupper($key), $this->_quoted_table_options))
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{
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$sql .= $this->db->escape($attributes[$key]);
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}
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else
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{
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$sql .= $this->db->escapeString($attributes[$key]);
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}
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}
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}
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if (! empty($this->db->charset) && ! strpos($sql, 'CHARACTER SET') && ! strpos($sql, 'CHARSET'))
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{
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$sql .= ' DEFAULT CHARACTER SET = ' . $this->db->escapeString($this->db->charset);
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}
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if (! empty($this->db->DBCollat) && ! strpos($sql, 'COLLATE'))
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{
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$sql .= ' COLLATE = ' . $this->db->escapeString($this->db->DBCollat);
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}
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return $sql;
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}
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//--------------------------------------------------------------------
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/**
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* ALTER TABLE
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*
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* @param string $alter_type ALTER type
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* @param string $table Table name
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* @param mixed $field Column definition
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* @return string|string[]
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*/
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protected function _alterTable(string $alter_type, string $table, $field)
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{
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if ($alter_type === 'DROP')
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{
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return parent::_alterTable($alter_type, $table, $field);
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}
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$sql = 'ALTER TABLE ' . $this->db->escapeIdentifiers($table);
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foreach ($field as $i => $data)
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{
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if ($data['_literal'] !== false)
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{
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$field[$i] = ($alter_type === 'ADD') ? "\n\tADD " . $data['_literal'] : "\n\tMODIFY " . $data['_literal'];
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}
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else
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{
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if ($alter_type === 'ADD')
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{
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$field[$i]['_literal'] = "\n\tADD ";
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}
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else
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{
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$field[$i]['_literal'] = empty($data['new_name']) ? "\n\tMODIFY " : "\n\tCHANGE ";
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}
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$field[$i] = $field[$i]['_literal'] . $this->_processColumn($field[$i]);
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}
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}
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return [$sql . implode(',', $field)];
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}
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//--------------------------------------------------------------------
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/**
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* Process column
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*
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* @param array $field
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* @return string
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*/
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protected function _processColumn(array $field): string
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{
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$extra_clause = isset($field['after']) ? ' AFTER ' . $this->db->escapeIdentifiers($field['after']) : '';
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if (empty($extra_clause) && isset($field['first']) && $field['first'] === true)
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{
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$extra_clause = ' FIRST';
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}
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return $this->db->escapeIdentifiers($field['name'])
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. (empty($field['new_name']) ? '' : ' ' . $this->db->escapeIdentifiers($field['new_name']))
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. ' ' . $field['type'] . $field['length']
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. $field['unsigned']
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. $field['null']
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. $field['default']
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. $field['auto_increment']
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. $field['unique']
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. (empty($field['comment']) ? '' : ' COMMENT ' . $field['comment'])
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. $extra_clause;
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}
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//--------------------------------------------------------------------
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/**
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* Process indexes
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*
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* @param string $table (ignored)
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* @return string
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*/
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protected function _processIndexes(string $table): string
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{
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$sql = '';
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for ($i = 0, $c = count($this->keys); $i < $c; $i ++)
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{
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if (is_array($this->keys[$i]))
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{
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for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2 ++)
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{
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if (! isset($this->fields[$this->keys[$i][$i2]]))
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{
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unset($this->keys[$i][$i2]);
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continue;
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}
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}
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}
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elseif (! isset($this->fields[$this->keys[$i]]))
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{
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unset($this->keys[$i]);
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continue;
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}
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is_array($this->keys[$i]) || $this->keys[$i] = [$this->keys[$i]];
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$unique = in_array($i, $this->uniqueKeys) ? 'UNIQUE ' : '';
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$sql .= ",\n\t{$unique}KEY " . $this->db->escapeIdentifiers(implode('_', $this->keys[$i]))
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. ' (' . implode(', ', $this->db->escapeIdentifiers($this->keys[$i])) . ')';
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}
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$this->keys = [];
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return $sql;
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}
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//--------------------------------------------------------------------
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}
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