Add pre and post SQL

src/test/java/com/rasilon/ujetl/TestJob.java

@@ -45,6 +45,8 @@ public class TestJob {
                 "SELECT -1 AS key",
                 "SELECT id,dat FROM src WHERE id > ?",
                 "INSERT INTO dest VALUES(?,?)",
+                null,
+                null,
                 100,
                 100,
                 100

src/test/java/com/rasilon/ujetl/TestPrePost.java

@@ -0,0 +1,62 @@
+package com.rasilon.ujetl;
+
+import java.sql.*;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.MethodOrderer.Alphanumeric;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.fail;
+
+
+public class TestPrePost {
+
+    private static String jdbcURL = "jdbc:h2:mem:dbtest";
+    @Test
+    public void test002verifyH2Works() {
+        try {
+            Connection conn = DriverManager.getConnection(jdbcURL, "sa", "");
+            conn.close();
+        } catch(Exception e) {
+            fail(e.toString());
+        }
+    }
+
+    @Test
+    public void testPrePost() {
+        try (
+                Connection src  = DriverManager.getConnection(jdbcURL, "sa", "");
+                Connection dest = DriverManager.getConnection(jdbcURL, "sa", "");
+
+            ) {
+            src.createStatement().executeUpdate("CREATE TABLE src(id bigint not null primary key, dat varchar);");
+            dest.createStatement().executeUpdate("CREATE TABLE dest(id bigint not null primary key, dat varchar);");
+            PreparedStatement inserter = src.prepareStatement("INSERT INTO src(id,dat) VALUES(?,'banana')");
+            for(int i=0; i<10000; i++) {
+                inserter.setInt(1,i);
+                inserter.executeUpdate();
+            }
+
+            Job j = new Job(
+                src,
+                dest,
+                "jUnit Test Config",
+                "jUnit Test Job",
+                "SELECT -1 AS key",
+                "SELECT id,dat FROM src WHERE id > ?",
+                "INSERT INTO tmp_dest VALUES(?,?)",
+                "CREATE TEMP TABLE tmp_dest(id bigint not null primary key, dat varchar);",
+                "INSERT INTO dest SELECT * from tmp_dest;",
+                100,
+                100,
+                100
+            );
+            j.start();
+            j.join();
+            // do stuff
+        } catch(Exception e) {
+            e.printStackTrace();
+            fail(e.toString());
+        }
+    }
+}