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Attempt at improving performance of a query - can not be improved:

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The query is slow due to lack of table normalization on plan_user_info
This commit is contained in:
Rsl1122 2018-05-25 11:27:15 +03:00
parent 04f426aca1
commit d9f8d09607
2 changed files with 9 additions and 5 deletions
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9
Plan/src/main/java/com/djrapitops/plan/system/database/databases/sql/tables/UserInfoTable.java
View File

@ -170,16 +170,21 @@ public class UserInfoTable extends UserIDTable {
}
public List<UserInfo> getServerUserInfo(UUID serverUUID) throws SQLException {
Optional<Integer> serverID = serverTable.getServerID(serverUUID);
if (!serverID.isPresent()) {
return new ArrayList<>();
}
Map<UUID, String> playerNames = usersTable.getPlayerNames();
Map<Integer, UUID> uuidsByID = usersTable.getUUIDsByID();
String sql = "SELECT * FROM " + tableName +
" WHERE " + Col.SERVER_ID + "=" + serverTable.statementSelectServerID;
" WHERE " + Col.SERVER_ID + "=?";
return query(new QueryStatement<List<UserInfo>>(sql, 20000) {
@Override
public void prepare(PreparedStatement statement) throws SQLException {
statement.setString(1, serverUUID.toString());
statement.setInt(1, serverID.get());
}
@Override

5
Plan/src/test/java/com/djrapitops/plan/system/database/databases/SQLiteTest.java
View File

@ -20,7 +20,6 @@ import com.djrapitops.plan.system.info.server.Server;
import com.djrapitops.plan.system.info.server.ServerInfo;
import com.djrapitops.plan.system.processing.processors.player.RegisterProcessor;
import com.djrapitops.plan.utilities.Base64Util;
import com.djrapitops.plan.utilities.ManageUtils;
import com.djrapitops.plan.utilities.SHA256Hash;
import com.djrapitops.plan.utilities.analysis.MathUtils;
import com.djrapitops.plugin.StaticHolder;
@ -759,7 +758,7 @@ public class SQLiteTest {
}
@Test
public void testBackupAndRestore() throws SQLException, DBInitException, UnsupportedEncodingException, NoSuchAlgorithmException {
public void testBackupAndRestore() throws SQLException, DBException, UnsupportedEncodingException, NoSuchAlgorithmException {
System.out.println("- Creating Backup Database -");
SQLiteDB backup = new SQLiteDB("debug-backup" + System.currentTimeMillis());
backup.init();
@ -767,7 +766,7 @@ public class SQLiteTest {
saveAllData(db);
ManageUtils.clearAndCopy(backup, db);
db.backup().backup(backup);
UserInfoTable userInfoTable = backup.getUserInfoTable();
UsersTable usersTable = backup.getUsersTable();