Plan/Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/patches/KillsServerIDPatch.java

73 lines
2.7 KiB
Java

/*
* This file is part of Player Analytics (Plan).
*
* Plan is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License v3 as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Plan is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Plan. If not, see <https://www.gnu.org/licenses/>.
*/
package com.djrapitops.plan.storage.database.transactions.patches;
import com.djrapitops.plan.storage.database.queries.schema.SessionIDServerIDRelationQuery;
import com.djrapitops.plan.storage.database.sql.tables.KillsTable;
import com.djrapitops.plan.storage.database.transactions.ExecBatchStatement;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Map;
/**
* Adds server_id field to kills table.
* <p>
* The field is populated by querying the session table for server ids.
*
* @author AuroraLS3
* @see KillsOptimizationPatch for removal of this field later
*/
public class KillsServerIDPatch extends Patch {
@Override
public boolean hasBeenApplied() {
String tableName = KillsTable.TABLE_NAME;
String columnName = "server_id";
// KillsOptimizationPatch makes this patch incompatible with newer patch versions.
return hasColumn(tableName, KillsTable.SERVER_UUID)
|| hasColumn(tableName, columnName) && allValuesHaveValueZero(tableName, columnName);
}
@Override
protected void applyPatch() {
if (hasColumn(KillsTable.TABLE_NAME, KillsTable.SERVER_UUID)) {
return;
}
addColumn(KillsTable.TABLE_NAME, "server_id integer NOT NULL DEFAULT 0");
Map<Integer, Integer> sessionIDServerIDRelation = query(new SessionIDServerIDRelationQuery());
String sql = "UPDATE " + KillsTable.TABLE_NAME + " SET server_id=? WHERE " + KillsTable.SESSION_ID + "=?";
execute(new ExecBatchStatement(sql) {
@Override
public void prepare(PreparedStatement statement) throws SQLException {
for (Map.Entry<Integer, Integer> entry : sessionIDServerIDRelation.entrySet()) {
Integer sessionID = entry.getKey();
Integer serverID = entry.getValue();
statement.setInt(1, serverID);
statement.setInt(2, sessionID);
statement.addBatch();
}
}
});
}
}