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53 lines
1.8 KiB
Plaintext
53 lines
1.8 KiB
Plaintext
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<%@ page contentType="text/html" %>
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<%@ page import="java.sql.*" %>
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<%@ page import="org.sqlite.*" %>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>Database dump</title>
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</head>
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<body>
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<h1>Database stats</h1>
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<%
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Connection conn =
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DriverManager.getConnection("jdbc:sqlite:" + getServletContext().getRealPath("/WEB-INF/files/database.sqlite"));
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Statement stmt = conn.createStatement();
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ResultSet rs = stmt.executeQuery("select * from sqlite_master where type='table' and name='grids';");
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if(rs.next()) {
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// we have a row and are probably ok
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} else {
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// Initialise the schema
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PreparedStatement pstmt = conn.prepareStatement("CREATE TABLE grids (id integer primary key, ts timestamp default current_timestamp, remotehost varchar, input, size_x int, size_y int, simple tinyint, result varchar);");
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pstmt.execute();
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}
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rs.close();
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PreparedStatement ps_count = conn.prepareStatement("SELECT COUNT(*) FROM grids");
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PreparedStatement ps_last = conn.prepareStatement("SELECT max(ts) FROM grids;");
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ResultSet rs_count = ps_count.executeQuery();
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ResultSet rs_last = ps_last.executeQuery();
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int count = -1;
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String last = "unknown";
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if(rs_count.next()) {
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count = rs_count.getInt(1);
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}
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if(rs_last.next()) {
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last = rs_last.getString(1);
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}
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rs_count.close();
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rs_last.close();
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%>
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<ul>
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<li>Number of grids generated: <%= count %></li>
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<li>Last grid generated at: <%= last %></li>
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<li>Path to db: <pre><%= getServletContext().getRealPath("/WEB-INF/files/database.sqlite") %></pre></li>
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</ul>
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</body>
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<%
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conn.close();
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%>
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</html>
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