add Teradata by-basetype conversion

Author: martinjunger

src/Definition/Teradata.php

@@ -677,6 +677,29 @@ public function getBasetype(): string
 
     public static function getTypeByBasetype(string $basetype): string
     {
-        throw new LogicException('Method is not implemented yet.');
+        $basetype = strtoupper($basetype);
+
+        if (!BaseType::isValid($basetype)) {
+            throw new InvalidTypeException(sprintf('Base type "%s" is not valid.', $basetype));
+        }
+
+        switch ($basetype) {
+            case BaseType::BOOLEAN:
+                return self::TYPE_BYTEINT;
+            case BaseType::DATE:
+                return self::TYPE_DATE;
+            case BaseType::FLOAT:
+                return self::TYPE_FLOAT;
+            case BaseType::INTEGER:
+                return self::TYPE_INTEGER;
+            case BaseType::NUMERIC:
+                return self::TYPE_NUMBER;
+            case BaseType::STRING:
+                return self::TYPE_VARCHAR;
+            case BaseType::TIMESTAMP:
+                return self::TYPE_TIMESTAMP;
+        }
+
+        throw new LogicException(sprintf('Definition for base type "%s" is missing.', $basetype));
     }
 }

tests/TeradataDatatypeTest.php

@@ -347,4 +347,18 @@ public function invalidLengths(): array
             ['INTERVAL YEAR TO MONTH', '5'],
         ];
     }
+
+    public function testGetTypeByBasetype(): void
+    {
+        $this->assertSame('DATE', Teradata::getTypeByBasetype('DATE'));
+
+        $this->assertSame('VARCHAR', Teradata::getTypeByBasetype('STRING'));
+
+        // not only upper case
+        $this->assertSame('DATE', Teradata::getTypeByBasetype('Date'));
+
+        $this->expectException(InvalidTypeException::class);
+        $this->expectExceptionMessage('Base type "FOO" is not valid.');
+        Teradata::getTypeByBasetype('foo');
+    }
 }