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Author: ierusalim

README.md

@@ -43,6 +43,8 @@ contains functions for simple operations with ClickHouse.
 * **getTableFields**($table, ...) - returns [field_name=>field_type] array
 * **getTableInfo**($table [, $extended]) - returns array with info about table
 * **getTablesList**([$db] [,$pattern]) - returns tables list by SHOW TABLES request
+* **createDatabase**($db) - create new database with specified name
+* **dropDatabase**($db) - drop specified database and remove all tables inside
 * **getDatabasesList**() - returns array contained names of existing Databases
 * **setCurrentDatabase**($db [, $sess]) - set current database by 'USE db' request
 * **getCurrentDatabase**([$sess]) - return results of 'SELECT currentDatabase()'

src/ClickHouseFunctions.php

@@ -16,6 +16,8 @@
  *
  * - >getTablesList([$db] [,$pattern]) - returns tables list by SHOW TABLES request
  *
+ * - >createDatabase($db) - create new database with specified name
+ * - >dropDatabase($db) - drop specified database and remove all tables inside
  * - >getDatabasesList() - returns array contained names of existing Databases
  * - >setCurrentDatabase($db [, $sess]) - set current database by 'USE db' request
  * - >getCurrentDatabase([$sess]) - return results of 'SELECT currentDatabase()'
@@ -436,16 +438,29 @@ public function setCurrentDatabase($db, $sess = null)
         }
     }
 
-
+    /**
+     * Drop database and remove all tables inside it.
+     *
+     * @param type $db_name database name for drop (delete, remove)
+     * @param boolean $if_exists Add condition "IF EXISTS"
+     * @return false|string false if ok, or string with error description
+     */
     public function dropDatabase($db_name, $if_exists = false)
     {
-        $sql = "DROP DATABASE " . ($if_exists ? 'IF EXISTS ':'');
+        $sql = "DROP DATABASE " . ($if_exists ? 'IF EXISTS ' : '');
         return $this->queryFalse($sql . $db_name);
     }
 
+    /**
+     * Create new database
+     *
+     * @param string $db_name database name for create
+     * @param boolean $if_not_exists Add condition "IF NOT EXISTS"
+     * @return false|string false if ok, or string with error description
+     */
     public function createDatabase($db_name, $if_not_exists = false)
     {
-        $sql = "CREATE DATABASE " . ($if_not_exists ? 'IF NOT EXISTS ':'');
+        $sql = "CREATE DATABASE " . ($if_not_exists ? 'IF NOT EXISTS ' : '');
         return $this->queryFalse($sql . $db_name);
     }
 

src/ClickHouseQuery.php

@@ -157,7 +157,7 @@ public function queryTrue($sql, $post_data = [], $sess = null)
      * @param string            $sql SQL-request
      * @param string|array|null $post_data any POST-data or null for GET-request
      * @param string|null       $sess session_id
-     * @return boolean|string False if no errors | string if error with describe
+     * @return string|false False if no errors | string if error with describe
      */
     public function queryFalse($sql, $post_data = [], $sess = null)
     {