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