Add archived parquet as int. package (#9912)

Since github.com/minio/parquet-go is archived add it as internal package.

pkg/s3select/internal/parquet-go/encoding/common.go

@@ -0,0 +1,38 @@
+/*
+ * Minio Cloud Storage, (C) 2019 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package encoding
+
+import (
+	"github.com/minio/minio/pkg/s3select/internal/parquet-go/common"
+)
+
+// Refer https://en.wikipedia.org/wiki/LEB128#Unsigned_LEB128
+func varIntEncode(ui64 uint64) []byte {
+	if ui64 == 0 {
+		return []byte{0}
+	}
+
+	length := int(common.BitWidth(ui64)+6) / 7
+	data := make([]byte, length)
+	for i := 0; i < length; i++ {
+		data[i] = byte(ui64&0x7F) | 0x80
+		ui64 >>= 7
+	}
+	data[length-1] &= 0x7F
+
+	return data
+}