72 lines
2.4 KiB
Java
72 lines
2.4 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.sql.tables.GeoInfoTable;
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import static com.djrapitops.plan.storage.database.sql.building.Sql.*;
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/**
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* Replaces user_id foreign keys with user_uuid fields in geolocation table.
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*
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* @author AuroraLS3
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*/
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public class GeoInfoOptimizationPatch extends Patch {
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private final String tempTableName;
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private final String oldTableName;
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public GeoInfoOptimizationPatch() {
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oldTableName = "plan_ips";
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tempTableName = "temp_ips";
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}
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@Override
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public boolean hasBeenApplied() {
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return !hasTable(oldTableName)
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|| hasColumn(oldTableName, GeoInfoTable.ID)
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&& hasColumn(oldTableName, GeoInfoTable.USER_UUID)
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&& !hasColumn(oldTableName, "user_id")
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&& !hasTable(tempTableName); // If this table exists the patch has failed to finish.
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}
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@Override
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protected void applyPatch() {
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tempOldTable();
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execute(GeoInfoTable.createTableSQL(dbType));
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execute("INSERT INTO " + GeoInfoTable.TABLE_NAME + " (" +
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GeoInfoTable.USER_UUID + ',' +
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GeoInfoTable.LAST_USED + ',' +
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GeoInfoTable.GEOLOCATION +
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") " + SELECT + DISTINCT +
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"(SELECT plan_users.uuid FROM plan_users WHERE plan_users.id = " + tempTableName + ".user_id LIMIT 1), " +
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GeoInfoTable.LAST_USED + ',' +
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GeoInfoTable.GEOLOCATION +
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FROM + tempTableName
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);
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dropTable(tempTableName);
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}
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private void tempOldTable() {
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if (!hasTable(tempTableName)) {
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renameTable(oldTableName, tempTableName);
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}
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}
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}
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