56 lines
1.8 KiB
PHP
56 lines
1.8 KiB
PHP
<?php
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/**
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* @noinspection SqlNoDataSourceInspection
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*/
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namespace goodboyalex\php_db_components_pack\classes\tm_drivers;
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use goodboyalex\php_db_components_pack\classes\DataBaseHeader;
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use goodboyalex\php_db_components_pack\interfaces\ITableManager;
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use PDO;
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/**
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* Система менеджмента таблицами базы данных PostgreSQL.
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*
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* @author Александр Бабаев
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* @package php_db_components_pack
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* @version 1.0
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* @since 1.0
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*/
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final class PostgreSQLTableManager implements ITableManager
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{
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/**
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* @inheritDoc
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*/
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public function IsTableExist (PDO $handle, string $tableName): bool
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{
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// Создаю SQL-запрос
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$sql = "SELECT EXISTS(
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SELECT 1
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FROM pg_tables
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WHERE schemaname = current_schema()
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AND tablename = :tableName)";
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// Подготавливаю данные
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$stmt = $handle->prepare($sql);
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// Выполняю запрос
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$stmt->execute(['tableName' => $tableName]);
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// Получаю количество таблиц, если = "true", то вывожу true, иначе - false
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return $stmt->fetchColumn() === 'true';
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}
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public function CreateTable (PDO $handle, string $tableName, DataBaseHeader $columns): bool
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{
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// TODO: Implement CreateTable() method.
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return false;
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}
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public function DropTable (PDO $handle, string $tableName): bool
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{
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// TODO: Implement DropTable() method.
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return false;
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}
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} |