mirror of
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Refactor: Remove unused experimental files [#427]
This commit is contained in:
gnosygnu
parent
f22a0cca43
commit
367a3a94b9
@ -2,7 +2,6 @@
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<classpath>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="src" path="tst"/>
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<classpathentry kind="src" path="tst"/>
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<classpathentry kind="src" path="xtn"/>
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<classpathentry kind="src" path="/100_core"/>
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<classpathentry kind="src" path="/100_core"/>
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<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
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<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
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<classpathentry combineaccessrules="false" kind="src" path="/110_gfml"/>
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<classpathentry combineaccessrules="false" kind="src" path="/110_gfml"/>
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@ -1,174 +0,0 @@
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.dbs;
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import gplx.String_;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.sql.*;
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//public class Bug_Utf8 {
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// public static void main(String[] s) throws SQLException, java.io.UnsupportedEncodingException {
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// // init connection
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// Connection conn = DriverManager.getConnection
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// ( "jdbc:mysql://localhost/bug_utf8?characterEncoding=UTF8"
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//// ( "jdbc:mysql://localhost/bug_utf8?useUnicode=true&characterEncoding=UTF8&character_set_client=UTF8&character_set_database=UTF8&character_set_results=UTF8&character_set_server=UTF8&character_set_system=UTF8"
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// , "root"
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// , "mysql7760"
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//
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// );
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//
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// // retrieve resultSet
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// Statement cmd = conn.createStatement();
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// cmd.execute("select * from simple_table;");
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// ResultSet rdr = cmd.getResultSet();
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//
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// // get value
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// rdr.next();
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// String name = rdr.getNString("name");
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//
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// // output results
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// System.out.println("name=" + name + " len=" + name.getBytes().length + " 0=" + name.getBytes()[0]);
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// System.out.println("name=" + name + " len=" + name.getBytes("UTF8").length + " 0=" + name.getBytes("UTF8")[0] + " 1=" + name.getBytes("UTF8")[1]);
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//
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// Charset utf8charset = Charset.forName("UTF-8");
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// Charset iso88591charset = Charset.forName("ISO-8859-1");
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//
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// ByteBuffer inputBuffer = ByteBuffer.wrap(name.getBytes());
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//
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// // decode ISO-8559-1
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// CharBuffer data = iso88591charset.decode(inputBuffer);
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//
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// // encode UTF-8
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// ByteBuffer outputBuffer = utf8charset.encode(data);
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// byte[] outputData = outputBuffer.array();
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// name = new String(outputData, "UTF-8");
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// System.out.println("name=" + name + " len=" + name.getBytes().length + " 0=" + name.getBytes()[0]);
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// System.out.println("name=" + name + " len=" + name.getBytes("UTF8").length + " 0=" + name.getBytes("UTF8")[0] + " 1=" + name.getBytes("UTF8")[1]);
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// }
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//}
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/*
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Hi all. The topic is pretty straightforward, but I've been staring at it for quite some time.
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I'm trying to retrieve non-English characters from a MySQL database in UTF-8. In my example below, I use "à" (U+00E0: Latin Small Letter A With Grave) but I've also tried with random Japanese characters (Hex=E7A798). I'm new to java/jdbc, so I may be missing something basic, but I've searched for quite a while, and not discovered anything.
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I've made sure that my database was created in UTF-8, and that my connection is in UTF8. I've tried enabling all jdbc connection string options (see commented line below) and it makes no difference. I've also tried System.setProperty("file.encoding", "UTF-8");.
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The odd thing is that somehow the code below works when I run it from a JUnit test. (the actual results match the expected ones)
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Any help would be appreciated. Thanks in advance.
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[list]SQL to create data[/list]
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[code]
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CREATE DATABASE bug_utf8 CHARACTER SET utf8 COLLATE utf8_general_ci;
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USE bug_utf8;
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DROP TABLE IF EXISTS simple_table;
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CREATE TABLE simple_table (name varchar(255) NOT NULL);
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INSERT INTO simple_table (name) VALUES ('à');
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SELECT Hex(name) from simple_table; -- returns C3A0
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[/code]
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[list]Java code[/list]
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[code]
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import java.sql.*;
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public class Bug_Utf8 {
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public static void main(String[] s) throws SQLException, java.io.UnsupportedEncodingException {
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// init connection
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Connection conn = DriverManager.getConnection
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( "jdbc:mysql://localhost/bug_utf8?useUnicode=true&characterEncoding=UTF8"
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// ( "jdbc:mysql://localhost/bug_utf8?useUnicode=true&characterEncoding=UTF8&character_set_client=UTF8&character_set_database=UTF8&character_set_results=UTF8&character_set_server=UTF8&character_set_system=UTF8"
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, "root"
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, "yourpassword"
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);
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// retrieve resultSet
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Statement cmd = conn.createStatement();
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cmd.execute("select * from simple_table;");
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ResultSet rdr = cmd.getResultSet();
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// get value
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rdr.next();
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String name = rdr.getNString("name");
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// output results
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// actual
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System.out.println("name=" + name + " len=" + name.getBytes().length + " 0=" + name.getBytes()[0]);
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// expecting: C3 A0
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System.out.println("name=" + name + " len=" + name.getBytes("UTF8").length + " 0=" + name.getBytes("UTF8")[0] + " 1=" + name.getBytes("UTF8")[1]);
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}
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}
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[/code]
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[list]Environment Details[/list]
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OS: Windows XP SP3
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MySQL: Server version: 5.1.40-community MySQL Community Server (GPL)
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Java: java version "1.6.0_20"
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JDBC: 5.1.12
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JUnit: 4_4.5 v20090824
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IDE: Eclipse 20090920-1017 (not that it should matter)
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*/
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import java.sql.*;
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public class Bug_Utf8 {
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public static void main(String[] args) throws Exception {
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Like();
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}
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public static void Utf8() throws Exception {
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Class.forName("org.sqlite.JDBC");
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Connection conn = DriverManager.getConnection("jdbc:sqlite:test.db");
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Statement stat = conn.createStatement();
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stat.executeUpdate("drop table if exists people;");
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stat.executeUpdate("create table people (name, occupation);");
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PreparedStatement prep = conn.prepareStatement("insert into people values (?, ?);");
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prep.setString(1, "Gandhi");
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prep.setString(2, "politics");
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prep.addBatch();
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prep.setString(1, "Turing");
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prep.setString(2, "computers");
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prep.addBatch();
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prep.setString(1, "Wittgenstein");
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prep.setString(2, "smartypants");
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prep.addBatch();
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conn.setAutoCommit(false);
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prep.executeBatch();
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conn.setAutoCommit(true);
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ResultSet rs = stat.executeQuery("select * from people;");
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while (rs.next()) {
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System.out.println("name = " + rs.getString("name"));
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System.out.println("job = " + rs.getString("occupation"));
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}
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rs.close();
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conn.close();
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}
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private static void Like() throws Exception {
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Class.forName("org.sqlite.JDBC");
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Connection conn = DriverManager.getConnection("jdbc:sqlite:C:/xowa/wiki/en.wikipedia.org/en.wikipedia.org-xtn.search.link-title-ns.000-db.001.xowa");
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conn.createStatement().execute("ATTACH DATABASE 'C:\\xowa\\wiki\\en.wikipedia.org\\en.wikipedia.org-core.xowa' AS page_db");
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conn.createStatement().execute("ATTACH DATABASE 'C:\\xowa\\wiki\\en.wikipedia.org\\en.wikipedia.org-xtn.search.core.xowa' AS word_db");
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String sql = "SELECT * FROM word_db.search_word INDEXED BY temp WHERE word_text LIKE 'bug%' AND link_score_max > 0 AND link_score_min < 1000000 LIMIT 1";
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PreparedStatement stat = conn.prepareStatement(sql);
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ResultSet rs = stat.executeQuery();
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while (rs.next()) {
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System.out.println(rs.getObject(1).toString());
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}
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rs.close();
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conn.close();
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}
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}
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@ -1,245 +0,0 @@
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.dbs;
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import gplx.*; import gplx.core.consoles.*; import gplx.core.envs.Env_;
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import gplx.core.envs.System_;
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import gplx.dbs.engines.sqlite.*;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.sql.*;
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public class SqliteDbMain {
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public static void main(String[] args) throws Exception {
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SqliteDbMain main = new SqliteDbMain();
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// main.JdbcInit(args);
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// main.Read();
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// main.Mass_upload(Io_url_.new_dir_("J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\"));
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// main.CreateMany(20, 0);
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main.CreateMany(20, 1000000 + 1);
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}// 179,167,161,147,160,165,159
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/*
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'5281' '189'
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'5266' '189'
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'5640' '177'
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'5719' '174'
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'5766' '173'
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*/
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// private void JdbcInit(String[] args) {
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// try {
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// Class.forName("SQLite.JDBCDriver");
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// }
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// catch (Exception e) {
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// ConsoleAdp._.WriteLine(e.getMessage());
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// }
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// }
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private void CreateMany(int number, int base_val) {
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long time_bgn = System_.Ticks();
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Db_conn provider = Db_conn_pool.Instance.Get_or_new(Db_conn_info_.sqlite_(Io_url_.new_fil_("E:\\test.sqlite3")));
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String tbl_sql = String_.Concat_lines_nl
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( "CREATE TABLE fsdb_xtn_thm"
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, "( thm_id integer NOT NULL PRIMARY KEY"
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, ", thm_owner_id integer NOT NULL"
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, ", thm_w integer NOT NULL"
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, ", thm_h integer NOT NULL"
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, ", thm_thumbtime integer NOT NULL"
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, ", thm_bin_db_id integer NOT NULL"
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, ", thm_size bigint NOT NULL"
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, ", thm_modified varchar(14) NOT NULL"
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, ", thm_hash varchar(40) NOT NULL"
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, ");"
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);
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Sqlite_engine_.Tbl_create_and_delete(provider, "fsdb_xtn_thm", tbl_sql);
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// provider.Txn_mgr().Txn_bgn();
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Db_stmt stmt = Db_stmt_.new_insert_(provider, "fsdb_xtn_thm", "thm_id", "thm_owner_id", "thm_w", "thm_h", "thm_thumbtime", "thm_bin_db_id", "thm_size", "thm_modified", "thm_hash");
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for (int i = 0; i < number; i++) {
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stmt.Clear()
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.Val_int(base_val + i)
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.Val_int(base_val + i)
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.Val_int(220)
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.Val_int(200)
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.Val_int(-1)
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.Val_int(15)
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.Val_long(23456)
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.Val_str("")
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.Val_str("")
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.Exec_insert();
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}
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long time_elapsed = (System_.Ticks() - time_bgn);
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// provider.Txn_mgr().Txn_end();
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provider.Rls_conn();
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Tfds.Write(time_elapsed, number / time_elapsed);
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// 250; 260
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Tfds.Write("");
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}
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Connection conn; PreparedStatement stmt;
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void Read() {
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try {
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Class.forName("org.sqlite.JDBC");
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conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
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Statement stat = conn.createStatement();
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// stat.executeUpdate("DROP TABLE temp;");
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// stat.executeUpdate("CREATE TABLE temp (ttl varchar(1024));");
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// PreparedStatement prep = conn.prepareStatement("INSERT INTO temp VALUES (?);");
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// conn.setAutoCommit(false);
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// prep.setString(1, "Rembrandt auto 1627.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt van Rijn 184.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt laughing.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt van Rijn 199.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt Harmensz. van Rijn 144.jpg"); prep.addBatch();
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// prep.setString(1, "Self-portrait at 34 by Rembrandt.jpg"); prep.addBatch();
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// prep.setString(1, "Selfportrait Rembrandt1641.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt Harmensz. van Rijn 127b.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt Harmensz. van Rijn 132.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt - Self Portrait111.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt self portrait.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrant Self-Portrait, 1660.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt van rijn-self portrait.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt, Auto-portrait, 1660.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt van Rijn 142 version 02.jpg"); prep.addBatch();
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// prep.setString(1, "Rembrandt Harmensz. van Rijn 135.jpg"); prep.addBatch();
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// prep.executeBatch();
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// conn.setAutoCommit(true);
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// ResultSet rs = stat.executeQuery("SELECT TOP 10 files.* FROM files JOIN temp ON files.ttl = temp.ttl;");
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// ResultSet rs = stat.executeQuery("SELECT files.* FROM files LIMIT 100;");
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ResultSet rs = stat.executeQuery("SELECT files.* FROM files WHERE ttl IN ('380CHANGI.jpg', '20120523Palmen_Hockenheim1.jpg') ;");
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while (rs.next()) {
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System.out.println("ttl = " + rs.getString("ttl") + "; orig_w = " + rs.getString("orig_w") + "; orig_h = " + rs.getString("orig_h"));
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}
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rs.close();
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}catch(Exception e) {
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Err_.Noop(e);
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}
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}
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void Index() {
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try {
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Class.forName("org.sqlite.JDBC");
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conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
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Statement stat = conn.createStatement();
|
|
||||||
stat.executeUpdate("PRAGMA synchronous=OFF");
|
|
||||||
stat.executeUpdate("PRAGMA count_changes=OFF");
|
|
||||||
stat.executeUpdate("PRAGMA journal_mode=MEMORY");
|
|
||||||
stat.executeUpdate("PRAGMA temp_store=MEMORY");
|
|
||||||
conn.setAutoCommit(false);
|
|
||||||
stat.executeUpdate("CREATE INDEX files_ndx ON files (ttl);");
|
|
||||||
conn.commit();
|
|
||||||
conn.setAutoCommit(true);
|
|
||||||
}catch(Exception e) {
|
|
||||||
Err_.Noop(e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
void Mass_upload(Io_url dir) {
|
|
||||||
try {
|
|
||||||
Class.forName("org.sqlite.JDBC");
|
|
||||||
conn = DriverManager.getConnection("jdbc:sqlite:J:\\gplx\\xowl\\file\\all#meta\\en.wikipedia.org\\meta.db");
|
|
||||||
Statement stat = conn.createStatement();
|
|
||||||
stat.executeUpdate("drop table if exists files;");
|
|
||||||
String sql = String_.Concat_lines_nl
|
|
||||||
( "CREATE TABLE files"
|
|
||||||
, "( ttl varchar(1024)"
|
|
||||||
, ", redirect varchar(1024)"
|
|
||||||
, ", ext int"
|
|
||||||
, ", orig_mode int"
|
|
||||||
, ", orig_w int"
|
|
||||||
, ", orig_h int"
|
|
||||||
, ", thumbs varchar(2048)" // assuming 10 bytes per thumb, roughly 200 thumbs
|
|
||||||
, ");"
|
|
||||||
);
|
|
||||||
stat.executeUpdate(sql);
|
|
||||||
|
|
||||||
Console_adp__sys.Instance.Write_str_w_nl(Datetime_now.Get().XtoStr_fmt_yyyyMMdd_HHmmss_fff());
|
|
||||||
// stat.executeUpdate("BEGIN TRANSACTION");
|
|
||||||
stat.executeUpdate("PRAGMA synchronous=OFF");
|
|
||||||
stat.executeUpdate("PRAGMA count_changes=OFF");
|
|
||||||
stat.executeUpdate("PRAGMA journal_mode=MEMORY");
|
|
||||||
stat.executeUpdate("PRAGMA temp_store=MEMORY");
|
|
||||||
conn.setAutoCommit(false);
|
|
||||||
stmt = conn.prepareStatement("insert into files values (?, ?, ?, ?, ?, ?, ?);");
|
|
||||||
Iterate_dir(dir);
|
|
||||||
// stat.executeUpdate("COMMIT TRANSACTION");
|
|
||||||
stmt.executeBatch();
|
|
||||||
conn.commit();
|
|
||||||
conn.setAutoCommit(true);
|
|
||||||
}catch(Exception e) {
|
|
||||||
Err_.Noop(e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
void Iterate_dir(Io_url dir) {
|
|
||||||
Io_url[] urls = Io_mgr.Instance.QueryDir_args(dir).DirInclude_().ExecAsUrlAry();
|
|
||||||
int urls_len = urls.length;
|
|
||||||
Console_adp__sys.Instance.Write_str_w_nl(dir.Raw());
|
|
||||||
boolean is_root = false;
|
|
||||||
for (int i = 0; i < urls_len; i++) {
|
|
||||||
Io_url url = urls[i];
|
|
||||||
if (url.Type_dir())
|
|
||||||
Iterate_dir(url);
|
|
||||||
else {
|
|
||||||
try {
|
|
||||||
is_root = true;
|
|
||||||
Insert_file(url);
|
|
||||||
}catch(Exception e) {
|
|
||||||
Err_.Noop(e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
try {
|
|
||||||
if (is_root) {
|
|
||||||
stmt.executeBatch();
|
|
||||||
stmt.clearBatch();
|
|
||||||
}
|
|
||||||
}catch(Exception e) {
|
|
||||||
Err_.Noop(e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
void Insert_file(Io_url url) {
|
|
||||||
if (String_.EqNot(url.Ext(), ".csv")) return;
|
|
||||||
String raw = Io_mgr.Instance.LoadFilStr(url);
|
|
||||||
String[] lines = String_.SplitLines_nl(raw);
|
|
||||||
int lines_len = lines.length;
|
|
||||||
for (int i = 0; i < lines_len; i++) {
|
|
||||||
String line = lines[i];
|
|
||||||
Insert_line(line);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
void Insert_line(String line) {
|
|
||||||
try {
|
|
||||||
String[] flds = String_.Split(line, '|');
|
|
||||||
int flds_len = flds.length;
|
|
||||||
if (flds_len == 0) return;
|
|
||||||
stmt.setString(1, flds[2]);
|
|
||||||
if (flds_len == 4)
|
|
||||||
stmt.setString(2, flds[3]);
|
|
||||||
if (flds_len > 4) {
|
|
||||||
stmt.setInt(3, Bry_.new_a7(flds[3])[0] - 32);
|
|
||||||
byte[] orig = Bry_.new_a7(flds[4]);
|
|
||||||
int orig_mode = orig[0] - Byte_ascii.Num_0;
|
|
||||||
int comma_pos = Bry_find_.Find_fwd(orig, Byte_ascii.Comma);
|
|
||||||
int orig_w = Bry_.To_int_or(orig, 2, comma_pos, -1);
|
|
||||||
int orig_h = Bry_.To_int_or(orig, comma_pos + 1, orig.length, -1);
|
|
||||||
stmt.setInt(4, orig_mode);
|
|
||||||
stmt.setInt(5, orig_w);
|
|
||||||
stmt.setInt(6, orig_h);
|
|
||||||
if (flds_len > 5)
|
|
||||||
stmt.setString(7, flds[4]);
|
|
||||||
}
|
|
||||||
stmt.addBatch();
|
|
||||||
}catch(Exception e) {
|
|
||||||
Err_.Noop(e);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user