fix Exasol datatype when lowercase

Author: zajca

src/Definition/Exasol.php

@@ -184,7 +184,7 @@ public function __construct($type, $options = [])
     public function getSQLDefinition()
     {
         $type = $this->getType();
-        $definition = $type;
+        $definition = strtoupper($type);
         if (!in_array($definition, self::TYPES_WITHOUT_LENGTH)) {
             $length = $this->getLength() ?: $this->getDefaultLength();
             // length is set, use it
@@ -230,7 +230,7 @@ private function buildComplexLength($type, $lengthString)
     private function getDefaultLength()
     {
         $out = null;
-        switch ($this->type) {
+        switch (strtoupper($this->type)) {
             case self::TYPE_DECIMAL:
             case self::TYPE_DEC:
             case self::TYPE_NUMBER:

tests/ExasolDatatypeTest.php

@@ -138,6 +138,7 @@ public function expectedSqlDefinitions()
             'NCHAR' => ['NCHAR', [], 'NCHAR (2000)'],
 
             'VARCHAR' => ['VARCHAR', [], 'VARCHAR (2000000)'],
+            'VARCHAR lowercase' => ['varchar', [], 'VARCHAR (2000000)'],
             'CHAR VARYING' => ['CHAR VARYING', [], 'CHAR VARYING (2000000)'],
             'CHARACTER LARGE OBJECT' => ['CHARACTER LARGE OBJECT', [], 'CHARACTER LARGE OBJECT (2000000)'],
             'CHARACTER VARYING' => ['CHARACTER VARYING', [], 'CHARACTER VARYING (2000000)'],