47 lines
2.0 KiB
Java
47 lines
2.0 KiB
Java
 
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// • ▌ ▄ ·. ▄▄▄· ▄▄ • ▪ ▄▄· ▄▄▄▄· ▄▄▄· ▐▄▄▄ ▄▄▄ .
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// ·██ ▐███▪▐█ ▀█ ▐█ ▀ ▪██ ▐█ ▌▪▐█ ▀█▪▐█ ▀█ •█▌ ▐█▐▌·
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// ▐█ ▌▐▌▐█·▄█▀▀█ ▄█ ▀█▄▐█·██ ▄▄▐█▀▀█▄▄█▀▀█ ▐█▐ ▐▌▐▀▀▀
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// ██ ██▌▐█▌▐█ ▪▐▌▐█▄▪▐█▐█▌▐███▌██▄▪▐█▐█ ▪▐▌██▐ █▌▐█▄▄▌
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// ▀▀ █▪▀▀▀ ▀ ▀ ·▀▀▀▀ ▀▀▀·▀▀▀ ·▀▀▀▀ ▀ ▀ ▀▀ █▪ ▀▀▀
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// Magicbane Emulator Project © 2013 - 2026
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// https://www.magicbane.com
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package engine.db.handlers;
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import engine.gameManager.DbManager;
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import org.pmw.tinylog.Logger;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.HashMap;
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public class dbStaticWorldHandler extends dbHandlerBase {
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public dbStaticWorldHandler() {
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}
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// Table and column come from StaticManifest's fixed list, never from input. -1 means "none" and is skipped.
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public HashMap<Integer, Integer> GET_NEGATIVE_REFERENCES(String table, String column) {
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HashMap<Integer, Integer> rowsByValue = new HashMap<>();
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try (Connection connection = DbManager.getConnection();
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PreparedStatement preparedStatement = connection.prepareStatement("SELECT `" + column + "` AS `value`, COUNT(*) AS `rows` FROM `"
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+ table + "` WHERE `" + column + "` < -1 GROUP BY `" + column + "`;")) {
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ResultSet rs = preparedStatement.executeQuery();
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while (rs.next())
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rowsByValue.put(rs.getInt("value"), rs.getInt("rows"));
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} catch (SQLException e) {
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Logger.error(table + "." + column + ": " + e);
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return null;
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}
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return rowsByValue;
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}
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}
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