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/reader_test.go

@@ -0,0 +1,90 @@
+/*
+ * Minio Cloud Storage, (C) 2018 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 parquet
+
+import (
+	"io"
+	"os"
+	"testing"
+
+	"github.com/minio/minio-go/v6/pkg/set"
+)
+
+func getReader(name string, offset int64, length int64) (io.ReadCloser, error) {
+	file, err := os.Open(name)
+	if err != nil {
+		return nil, err
+	}
+
+	fi, err := file.Stat()
+	if err != nil {
+		return nil, err
+	}
+
+	if offset < 0 {
+		offset = fi.Size() + offset
+	}
+
+	if _, err = file.Seek(offset, os.SEEK_SET); err != nil {
+		return nil, err
+	}
+
+	return file, nil
+}
+
+func TestReader(t *testing.T) {
+	name := "example.parquet"
+	reader, err := NewReader(
+		func(offset, length int64) (io.ReadCloser, error) {
+			return getReader(name, offset, length)
+		},
+		set.CreateStringSet("one", "two", "three"),
+	)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	expectedRecords := []string{
+		`map[one:{-1 DOUBLE} three:{true BOOLEAN} two:{[102 111 111] BYTE_ARRAY}]`,
+		`map[one:{<nil> DOUBLE} three:{false BOOLEAN} two:{[98 97 114] BYTE_ARRAY}]`,
+		`map[one:{2.5 DOUBLE} three:{true BOOLEAN} two:{[98 97 122] BYTE_ARRAY}]`,
+	}
+
+	i := 0
+	for {
+		record, err := reader.Read()
+		if err != nil {
+			if err != io.EOF {
+				t.Error(err)
+			}
+
+			break
+		}
+
+		if i == len(expectedRecords) {
+			t.Fatalf("read more than expected record count %v", len(expectedRecords))
+		}
+
+		if record.String() != expectedRecords[i] {
+			t.Fatalf("record%v: expected: %v, got: %v", i+1, expectedRecords[i], record.String())
+		}
+
+		i++
+	}
+
+	reader.Close()
+}