Merge pull request #6424 from kenjis/remove-mixed-in-db

docs: replace mixed in Database doc comments

Author: kenjis

system/Database/BaseConnection.php

@@ -562,7 +562,7 @@ public function addTableAlias(string $table)
     /**
      * Executes the query against the database.
      *
-     * @return mixed
+     * @return bool|object|resource
      */
     abstract protected function execute(string $sql);
 

system/Database/Forge.php

@@ -776,7 +776,7 @@ public function modifyColumn(string $table, $field): bool
     }
 
     /**
-     * @param mixed $fields
+     * @param array|string $fields
      *
      * @return false|string|string[]
      */

system/Database/MySQLi/Connection.php

@@ -277,7 +277,7 @@ public function getVersion(): string
     /**
      * Executes the query against the database.
      *
-     * @return mixed
+     * @return bool|object
      */
     protected function execute(string $sql)
     {

system/Database/MySQLi/Forge.php

@@ -128,9 +128,9 @@ protected function _createTableAttributes(array $attributes): string
     /**
      * ALTER TABLE
      *
-     * @param string $alterType ALTER type
-     * @param string $table     Table name
-     * @param mixed  $field     Column definition
+     * @param string       $alterType ALTER type
+     * @param string       $table     Table name
+     * @param array|string $field     Column definition
      *
      * @return string|string[]
      */

system/Database/OCI8/Connection.php

@@ -184,7 +184,7 @@ public function getVersion(): string
     /**
      * Executes the query against the database.
      *
-     * @return false|resource
+     * @return bool
      */
     protected function execute(string $sql)
     {

system/Database/OCI8/Forge.php

@@ -86,9 +86,9 @@ class Forge extends BaseForge
     /**
      * ALTER TABLE
      *
-     * @param string $alterType ALTER type
-     * @param string $table     Table name
-     * @param mixed  $field     Column definition
+     * @param string       $alterType ALTER type
+     * @param string       $table     Table name
+     * @param array|string $field     Column definition
      *
      * @return string|string[]
      */

system/Database/Postgre/Connection.php

@@ -132,7 +132,7 @@ public function getVersion(): string
     /**
      * Executes the query against the database.
      *
-     * @return mixed
+     * @return false|resource
      */
     protected function execute(string $sql)
     {

system/Database/Postgre/Forge.php

@@ -76,7 +76,7 @@ protected function _createTableAttributes(array $attributes): string
     }
 
     /**
-     * @param mixed $field
+     * @param array|string $field
      *
      * @return array|bool|string
      */

system/Database/SQLSRV/Connection.php

@@ -451,7 +451,7 @@ public function setDatabase(?string $databaseName = null)
     /**
      * Executes the query against the database.
      *
-     * @return mixed
+     * @return false|resource
      */
     protected function execute(string $sql)
     {

system/Database/SQLSRV/Forge.php

@@ -119,7 +119,7 @@ protected function _createTableAttributes(array $attributes): string
     }
 
     /**
-     * @param mixed $field
+     * @param array|string $field
      *
      * @return false|string|string[]
      */