fixes #217

DataStorage/Database/Query/Grammar/Grammar.php

@@ -17,6 +17,7 @@ namespace phpOMS\DataStorage\Database\Query\Grammar;
 use phpOMS\DataStorage\Database\GrammarAbstract;
 use phpOMS\DataStorage\Database\Query\Builder;
 use phpOMS\DataStorage\Database\Query\Column;
+use phpOMS\DataStorage\Database\Query\Parameter;
 use phpOMS\DataStorage\Database\Query\QueryType;
 use phpOMS\DataStorage\Database\Query\Where;
 
@@ -325,10 +326,6 @@ class Grammar extends GrammarAbstract
     protected function compileValue(Builder $query, $value, string $prefix = '') : string
     {
         if (\is_string($value)) {
-            if (\strpos($value, ':') === 0) {
-                return $value;
-            }
-
             return $query->quote($value);
         } elseif (\is_int($value)) {
             return (string) $value;
@@ -358,6 +355,8 @@ class Grammar extends GrammarAbstract
             return $encoded ? $encoded : 'NULL';
         } elseif ($value instanceof \Serializable) {
             return $value->serialize();
+        } elseif ($value instanceof Parameter) {
+            return $value->_toString();
         } else {
             throw new \InvalidArgumentException(\gettype($value));
         }

DataStorage/Database/Query/Parameter.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   phpOMS\DataStorage\Database\Query
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace phpOMS\DataStorage\Database\Query;
+
+/**
+ * Database query builder.
+ *
+ * @package phpOMS\DataStorage\Database\Query
+ * @license OMS License 1.0
+ * @link    https://orange-management.org
+ * @since   1.0.0
+ */
+class Parameter
+{
+    /**
+     * Parameter name
+     *
+     * @var   string
+     * @since 1.0.0
+     */
+    private string $name = '';
+
+    /**
+     * Constructor.
+     *
+     * @param string $name Name of the parameter
+     *
+     * @since 1.0.0
+     */
+    public function __construct(string $name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * Render the parameter as string
+     *
+     * @return string
+     *
+     * @since 1.0.0
+     */
+    public function __toString()
+    {
+        return ':' . $this->name;
+    }
+}

tests/DataStorage/Database/Query/BuilderTest.php

@@ -16,6 +16,7 @@ namespace phpOMS\tests\DataStorage\Database\Query;
 
 use phpOMS\DataStorage\Database\Connection\MysqlConnection;
 use phpOMS\DataStorage\Database\Query\Builder;
+use phpOMS\DataStorage\Database\Query\Parameter;
 
 /**
  * @testdox phpOMS\tests\DataStorage\Database\Query\BuilderTest: Query builder for sql queries
@@ -82,7 +83,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
         self::assertEquals($sql,
             $query->select('a.test', 'b.test')
                 ->from('a', 'b')
-                ->where('a.test', '=', ':abcValue')
+                ->where('a.test', '=', new Parameter('abcValue'))
                 ->orderBy(['a.test', 'b.test', ], ['ASC', 'DESC', ])
                 ->toSql()
         );
@@ -159,7 +160,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
 
         $query = new Builder($this->con);
         $sql   = 'SELECT `a`.`test` FROM `a` WHERE `a`.`test` = :test GROUP BY `a`, `b`;';
-        self::assertEquals($sql, $query->select('a.test')->from('a')->where('a.test', '=', ':test')->groupBy('a', 'b')->toSql());
+        self::assertEquals($sql, $query->select('a.test')->from('a')->where('a.test', '=', new Parameter('test'))->groupBy('a', 'b')->toSql());
     }
 
     /**
@@ -222,7 +223,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
 
         $query = new Builder($this->con);
         $sql   = 'SELECT `a`.`test` FROM `a` WHERE `a`.`test` = :testWhere OR `a`.`test2` IN (\'a\', :bValue, \'c\');';
-        self::assertEquals($sql, $query->select('a.test')->from('a')->where('a.test', '=', ':testWhere')->whereIn('a.test2', ['a', ':bValue', 'c'], 'or')->toSql());
+        self::assertEquals($sql, $query->select('a.test')->from('a')->where('a.test', '=', new Parameter('testWhere'))->whereIn('a.test2', ['a', new Parameter('bValue'), 'c'], 'or')->toSql());
     }
 
     /**
@@ -313,7 +314,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
 
         $query = new Builder($this->con);
         $sql   = 'INSERT INTO `a` (`test`, `test2`) VALUES (:test, :test2);';
-        self::assertEquals($sql, $query->insert('test', 'test2')->into('a')->values(':test', ':test2')->toSql());
+        self::assertEquals($sql, $query->insert('test', 'test2')->into('a')->values(new Parameter('test'), new Parameter('test2'))->toSql());
     }
 
     /**
@@ -328,7 +329,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
 
         $query = new Builder($this->con);
         $sql   = 'DELETE FROM `a` WHERE `a`.`test` = :testVal;';
-        self::assertEquals($sql, $query->delete()->from('a')->where('a.test', '=', ':testVal')->toSql());
+        self::assertEquals($sql, $query->delete()->from('a')->where('a.test', '=', new Parameter('testVal'))->toSql());
     }
 
     /**
@@ -347,7 +348,7 @@ class BuilderTest extends \PHPUnit\Framework\TestCase
 
         $query = new Builder($this->con);
         $sql   = 'UPDATE `a` SET `a`.`test` = 1, `a`.`test2` = :test2 WHERE `a`.`test` = :test3;';
-        self::assertEquals($sql, $query->update('a')->set(['a.test' => 1])->set(['a.test2' => ':test2'])->where('a.test', '=', ':test3')->toSql());
+        self::assertEquals($sql, $query->update('a')->set(['a.test' => 1])->set(['a.test2' => new Parameter('test2')])->where('a.test', '=', new Parameter('test3'))->toSql());
     }
 
     /**