fix path resolution

Author: chernser

performance/src/main/java/com/clickhouse/benchmark/data/DataSetGenerator.java

@@ -9,6 +9,7 @@
 import java.io.IOException;
 import java.io.StringReader;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.Duration;
 import java.time.LocalDateTime;
@@ -69,7 +70,13 @@ public static void main(String[] args) throws IOException {
             return;
         }
 
-        inputSQL = new String(Files.readAllBytes(Paths.get(inputSQL)));
+        try {
+            Path path = Paths.get(inputSQL);
+            System.out.println("SQL file path: " + path + " cwd: " + System.getProperty("user.dir"));
+            inputSQL = new String(Files.readAllBytes(path));
+        }catch (Exception e) {
+            e.printStackTrace();
+        }
 
         // Parse the SQL create table statement
         List<Column> originalColumns;