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Adjust getTableTypes() test for new table type: LOCAL TEMPORARY VIEW, added in 11.53.4 (Mar2025-SP1)
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 03 Apr 2025 15:01:33 +0200 (3 days ago)
parents d416e9b6b3d0
children
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1 /*
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2 * SPDX-License-Identifier: MPL-2.0
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3 *
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4 * This Source Code Form is subject to the terms of the Mozilla Public
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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7 *
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8 * Copyright 2024, 2025 MonetDB Foundation;
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9 * Copyright August 2008 - 2023 MonetDB B.V.;
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10 * Copyright 1997 - July 2008 CWI.
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11 */
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12
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13 import java.sql.*;
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14 import java.util.*;
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15 import org.monetdb.mcl.net.MapiSocket;
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16 import org.monetdb.mcl.io.BufferedMCLReader;
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17 import org.monetdb.mcl.io.BufferedMCLWriter;
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18
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19 /**
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20 * This program demonstrates how the MonetDB JDBC driver can facilitate
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21 * in performing COPY INTO ... FROM STDIN sequences.
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22 * It shows how a data stream via MapiSocket to STDIN can be performed.
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23 *
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24 * @author Fabian Groffen, Martin van Dinther
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25 */
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26
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27 public final class SQLcopyinto {
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28 final private static String tablenm = "exampleSQLCopyInto";
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29
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30 public static void main(String[] args) throws Exception {
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31 System.out.println("SQLcopyinto started");
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32 if (args.length == 0) {
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33 System.err.println("Error: missing startup argument: the jdbc connection url !");
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34 System.err.println("Usage: java -cp monetdb-jdbc-3.0.jre8.jar:. SQLcopyinto \"jdbc:monetdb://localhost:50000/demo?user=monetdb&password=monetdb\"");
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35 System.exit(-1);
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36 }
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37 String jdbc_url = args[0];
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38
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39 // request a connection to MonetDB server via the driver manager
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40 Connection conn = DriverManager.getConnection(jdbc_url);
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41 System.out.println("Connected to MonetDB server");
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43 Statement stmt = null;
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44 ResultSet rs = null;
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45 try {
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46 stmt = conn.createStatement();
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47 stmt.execute("CREATE TABLE IF NOT EXISTS " + tablenm + " (id int, val varchar(24))");
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48
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49 fillTableUsingCopyIntoSTDIN(conn);
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50
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51 // check content of the table populated via COPY INTO ... FROM STDIN
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52 System.out.println("Listing uploaded data:");
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53 rs = stmt.executeQuery("SELECT * FROM " + tablenm);
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54 if (rs != null) {
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55 while (rs.next()) {
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56 System.out.println("Row data: " + rs.getString(1) + ", " + rs.getString(2));
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57 }
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58 rs.close();
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59 rs = null;
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60 }
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61
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62 stmt.execute("DROP TABLE " + tablenm);
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63
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64 System.out.println("SQLcopyinto completed");
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65 } catch (SQLException e) {
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66 System.err.println("SQLException: " + e.getMessage());
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67 } catch (Exception e) {
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68 System.err.println("Exception: " + e.getMessage());
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69 } finally {
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70 // free resources
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71 if (rs != null)
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72 rs.close();
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73 if (stmt != null)
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74 stmt.close();
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75 // close the JDBC connection to MonetDB server
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76 if (conn != null)
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77 conn.close();
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78 }
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79 }
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81 public static void fillTableUsingCopyIntoSTDIN(Connection mcon) throws Exception {
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82 System.out.println();
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83 System.out.println("CopyInto STDIN begin");
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84
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85 MapiSocket server = new MapiSocket();
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86 try {
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87 server.setLanguage("sql");
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88
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89 // extract from MonetConnection object the used connection properties
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90 String host = mcon.getClientInfo("host");
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91 int port = Integer.parseInt(mcon.getClientInfo("port"));
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92 String login = mcon.getClientInfo("user");
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93 String passw = mcon.getClientInfo("password");
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94 // System.out.println("host: " + host + " port: " + port + " login: " + login + " passwd: " + passw);
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95
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96 System.out.println("Before connecting to MonetDB server via MapiSocket");
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97 List<String> warning = server.connect(host, port, login, passw);
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98 if (warning != null) {
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99 for (Iterator<String> it = warning.iterator(); it.hasNext(); ) {
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100 System.out.println("Warning: " + it.next().toString());
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101 }
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102 }
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103 System.out.println("Connected to MonetDB server via MapiSocket");
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104
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105 BufferedMCLReader mclIn = server.getReader();
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106 BufferedMCLWriter mclOut = server.getWriter();
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108 String error = mclIn.discardRemainder();
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109 if (error != null)
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110 System.err.println("Received start error: " + error);
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111
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112 System.out.println("Before sending data to STDIN");
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113
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114 // the leading 's' is essential, since it is a protocol marker
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115 // that should not be omitted, likewise the trailing semicolon
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116 mclOut.write('s');
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117 mclOut.write("COPY INTO " + tablenm + " FROM STDIN USING DELIMITERS ',',E'\\n';");
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118 mclOut.newLine();
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119 // now write the row data values as csv data lines to the STDIN stream
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120 for (int i = 0; i < 40; i++) {
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121 mclOut.write("" + i + ",val_" + i);
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122 mclOut.newLine();
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123 }
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124
251
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125 mclOut.writeLine(""); // need this one for synchronisation over flush()
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126 error = mclIn.discardRemainder();
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127 if (error != null)
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128 System.err.println("Received error: " + error);
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129
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130 mclOut.writeLine(""); // need this one for synchronisation over flush()
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131 error = mclIn.discardRemainder();
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132 if (error != null)
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133 System.err.println("Received finish error: " + error);
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134
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135 System.out.println("Completed sending data via STDIN");
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136 } catch (Exception e) {
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137 System.err.println("Mapi Exception: " + e.getMessage());
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138 } finally {
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139 // close MapiSocket connection to MonetDB server
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140 server.close();
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141 }
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142
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143 System.out.println("CopyInto STDIN end");
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144 System.out.println();
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145 }
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146 }