mirror of
https://github.com/Karaka-Management/phpOMS.git
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142 lines
4.0 KiB
PHP
142 lines
4.0 KiB
PHP
<?php
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/**
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* Orange Management
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*
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* PHP Version 7.4
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*
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* @package phpOMS\DataStorage\Database\Schema\Grammar
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* @copyright Dennis Eichhorn
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* @license OMS License 1.0
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* @version 1.0.0
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* @link https://orange-management.org
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*/
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declare(strict_types=1);
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namespace phpOMS\DataStorage\Database\Schema\Grammar;
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use phpOMS\DataStorage\Database\BuilderAbstract;
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use phpOMS\DataStorage\Database\Query\Builder;
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/**
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* Database query grammar.
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*
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* @package phpOMS\DataStorage\Database\Schema\Grammar
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* @license OMS License 1.0
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* @link https://orange-management.org
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* @since 1.0.0
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*/
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class MysqlGrammar extends Grammar
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{
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/**
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* System identifier.
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*
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* @var string
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* @since 1.0.0
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*/
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protected string $systemIdentifier = '`';
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/**
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* Compile from.
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*
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* @param Builder $query Builder
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* @param array $table Tables
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*
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* @return string
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*
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* @since 1.0.0
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*/
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protected function compileSelectTables(Builder $query, array $table) : string
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{
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$builder = new Builder($query->getConnection());
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$builder->select('table_name')
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->from('information_schema.tables')
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->where('table_schema', '=', $query->getConnection()->getDatabase());
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return \rtrim($builder->toSql(), ';');
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}
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/**
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* Compile from.
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*
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* @param Builder $query Builder
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* @param string $table Tables
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*
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* @return string
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*
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* @since 1.0.0
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*/
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protected function compileSelectFields(Builder $query, string $table) : string
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{
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$builder = new Builder($query->getConnection());
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$builder->select('*')
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->from('information_schema.columns')
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->where('table_schema', '=', $query->getConnection()->getDatabase())
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->andWhere('table_name', '=', $query->getPrefix() . $table);
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return \rtrim($builder->toSql(), ';');
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}
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/**
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* Compile create table fields query.
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*
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* @param Builder $query Query
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* @param array $fields Fields to create
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*
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* @return string
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*
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* @since 1.0.0
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*/
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protected function compileCreateFields(Builder $query, array $fields) : string
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{
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$fieldQuery = '';
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$keys = '';
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foreach ($fields as $name => $field) {
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$fieldQuery .= ' ' . $this->expressionizeTableColumn([$name], '') . ' ' . $field['type'];
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if (isset($field['default']) || ($field['default'] === null && isset($field['null']) && $field['null'])) {
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$fieldQuery .= ' DEFAULT ' . $this->compileValue($query, $field['default']);
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}
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if (isset($field['null'])) {
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$fieldQuery .= ' ' . ($field['null'] ? '' : 'NOT ') . 'NULL';
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}
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if (isset($field['autoincrement']) && $field['autoincrement']) {
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$fieldQuery .= ' AUTO_INCREMENT';
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}
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$fieldQuery .= ',';
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if (isset($field['primary']) && $field['primary']) {
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$keys .= ' PRIMARY KEY (' . $this->expressionizeTableColumn([$name], '') . '),';
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}
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if (isset($field['foreignTable'], $field['foreignKey'])
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&& !empty($field['foreignTable']) && !empty($field['foreignKey'])
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) {
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$keys .= ' FOREIGN KEY (' . $this->expressionizeTableColumn([$name], '') . ') REFERENCES '
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. $this->expressionizeTableColumn([$field['foreignTable']], $query->getPrefix())
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. ' (' . $this->expressionizeTableColumn([$field['foreignKey']], '') . '),';
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}
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}
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return '(' . \ltrim(\rtrim($fieldQuery . $keys, ','), ' ') . ')';
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}
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/**
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* Compile create table settings query.
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*
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* @param BuilderAbstract $query Query
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* @param bool $settings Has settings
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*
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* @return string
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*
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* @since 1.0.0
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*/
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protected function compileCreateTableSettings(BuilderAbstract $query, bool $settings) : string
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{
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return 'ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1';
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}
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}
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