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annotate tests/Test_Sbatching.java @ 0:a5a898f6886c

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Copy of MonetDB java directory changeset e6e32756ad31.
author Sjoerd Mullender <sjoerd@acm.org>
date Wed, 21 Sep 2016 09:34:48 +0200 (2016-09-21)
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children 04fbf3655452
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1 /*
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2 * This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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5 *
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6 * Copyright 1997 - July 2008 CWI, August 2008 - 2016 MonetDB B.V.
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7 */
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8
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9 import java.sql.*;
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10
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11 public class Test_Sbatching {
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12 public static void main(String[] args) throws Exception {
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13 Class.forName("nl.cwi.monetdb.jdbc.MonetDriver");
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14 Connection con = DriverManager.getConnection(args[0]);
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15 Statement stmt = con.createStatement();
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16 ResultSet rs = null;
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17 //DatabaseMetaData dbmd = con.getMetaData();
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18
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19 // >> true: auto commit should be on by default
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20 System.out.println("0. true\t" + con.getAutoCommit());
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21
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22 try {
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23 System.out.print("1. create...");
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24 if (stmt.executeUpdate("CREATE TABLE table_Test_Sbatching ( id int )") != Statement.SUCCESS_NO_INFO)
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25 throw new SQLException("Wrong return status");
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26 System.out.println("passed :)");
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27
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28 // start batching a large amount of inserts
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29 for (int i = 1; i <= 30000; i++) {
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30 stmt.addBatch("INSERT INTO table_Test_Sbatching VALUES (" + i + ")");
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31 if (i % 400 == 0) {
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32 System.out.print("2. executing batch (400 inserts)...");
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33 int[] cnts = stmt.executeBatch();
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34 System.out.println("passed :)");
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35 System.out.print("3. checking number of update counts...");
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36 if (cnts.length != 400) throw new SQLException("Invalid size: " + cnts.length);
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37 System.out.println(cnts.length + " passed :)");
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38 System.out.print("4. checking update counts (should all be 1)...");
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39 for (int j = 0; j < cnts.length; j++) {
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40 if (cnts[j] != 1) throw new SQLException("Unexpected value: " + cnts[j]);
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41 }
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42 System.out.println("passed :)");
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43 System.out.print("5. clearing the batch...");
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44 stmt.clearBatch();
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45 System.out.println("passed :)");
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46 }
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47 }
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48 System.out.print("6. executing batch...");
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49 stmt.executeBatch();
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50 System.out.println("passed :)");
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51
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52 System.out.print("7. checking table count...");
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53 rs = stmt.executeQuery("SELECT COUNT(*) FROM table_Test_Sbatching");
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54 rs.next();
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55 System.out.println(rs.getInt(1) + " passed :)");
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56
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57 System.out.print("8. clean up mess we made...");
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58 if (stmt.executeUpdate("DROP TABLE table_Test_Sbatching") != Statement.SUCCESS_NO_INFO)
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59 throw new SQLException("Wrong return status");
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60 System.out.println("passed :)");
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61 } catch (SQLException e) {
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62 // this means we failed (table not there perhaps?)
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63 System.out.println("FAILED :( " + e.getMessage());
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64 System.out.println("ABORTING TEST!!!");
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65 }
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66
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67 if (rs != null) rs.close();
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68
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69 con.close();
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70 }
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71 }