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Code Issues Projects Releases Wiki Activity

Optimize loading lots of groups from SQL storage types (#2287)

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Luck 2020-05-11 12:54:42 +01:00
parent ec7994a561
commit fca2f1e6de
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1 changed files with 33 additions and 5 deletions
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38
common/src/main/java/me/lucko/luckperms/common/storage/implementation/sql/SqlStorage.java
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@ -63,6 +63,7 @@ import java.sql.Statement;
import java.time.Instant; import java.time.Instant;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collection; import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet; import java.util.HashSet;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
@ -93,6 +94,7 @@ public class SqlStorage implements StorageImplementation {
private static final String PLAYER_UPDATE_PRIMARY_GROUP_BY_UUID = "UPDATE '{prefix}players' SET primary_group=? WHERE uuid=?"; private static final String PLAYER_UPDATE_PRIMARY_GROUP_BY_UUID = "UPDATE '{prefix}players' SET primary_group=? WHERE uuid=?";
private static final String GROUP_PERMISSIONS_SELECT = "SELECT id, permission, value, server, world, expiry, contexts FROM '{prefix}group_permissions' WHERE name=?"; private static final String GROUP_PERMISSIONS_SELECT = "SELECT id, permission, value, server, world, expiry, contexts FROM '{prefix}group_permissions' WHERE name=?";
private static final String GROUP_PERMISSIONS_SELECT_ALL = "SELECT name, id, permission, value, server, world, expiry, contexts FROM '{prefix}group_permissions'";
private static final String GROUP_PERMISSIONS_DELETE_SPECIFIC = "DELETE FROM '{prefix}group_permissions' WHERE id=?"; private static final String GROUP_PERMISSIONS_DELETE_SPECIFIC = "DELETE FROM '{prefix}group_permissions' WHERE id=?";
private static final String GROUP_PERMISSIONS_DELETE = "DELETE FROM '{prefix}group_permissions' WHERE name=?"; private static final String GROUP_PERMISSIONS_DELETE = "DELETE FROM '{prefix}group_permissions' WHERE name=?";
private static final String GROUP_PERMISSIONS_INSERT = "INSERT INTO '{prefix}group_permissions' (name, permission, value, server, world, expiry, contexts) VALUES(?, ?, ?, ?, ?, ?, ?)"; private static final String GROUP_PERMISSIONS_INSERT = "INSERT INTO '{prefix}group_permissions' (name, permission, value, server, world, expiry, contexts) VALUES(?, ?, ?, ?, ?, ?, ?)";
@ -431,16 +433,28 @@ public class SqlStorage implements StorageImplementation {
@Override @Override
public void loadAllGroups() throws SQLException { public void loadAllGroups() throws SQLException {
Set<String> groups; Map<String, Collection<SqlNode>> groups = new HashMap<>();
try (Connection c = this.connectionFactory.getConnection()) { try (Connection c = this.connectionFactory.getConnection()) {
groups = selectGroups(c); selectGroups(c).forEach(name -> groups.put(name, new ArrayList<>()));
selectAllGroupPermissions(groups, c);
} }
if (!Iterators.tryIterate(groups, this::loadGroup)) { for (Map.Entry<String, Collection<SqlNode>> entry : groups.entrySet()) {
throw new RuntimeException("Exception occurred whilst loading a group"); Group group = this.plugin.getGroupManager().getOrMake(entry.getKey());
group.getIoLock().lock();
try {
Collection<SqlNode> nodes = entry.getValue();
if (!nodes.isEmpty()) {
group.setNodes(DataType.NORMAL, nodes.stream().map(SqlNode::toNode));
} else {
group.clearNodes(DataType.NORMAL, null, false);
}
} finally {
group.getIoLock().unlock();
}
} }
this.plugin.getGroupManager().retainAll(groups); this.plugin.getGroupManager().retainAll(groups.keySet());
} }
@Override @Override
@ -863,6 +877,20 @@ public class SqlStorage implements StorageImplementation {
return nodes; return nodes;
} }
private void selectAllGroupPermissions(Map<String, Collection<SqlNode>> nodes, Connection c) throws SQLException {
try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(GROUP_PERMISSIONS_SELECT_ALL))) {
try (ResultSet rs = ps.executeQuery()) {
while (rs.next()) {
String holder = rs.getString("name");
Collection<SqlNode> list = nodes.get(holder);
if (nodes != null) {
list.add(readNode(rs));
}
}
}
}
}
private void deleteGroupPermissions(Connection c, String group) throws SQLException { private void deleteGroupPermissions(Connection c, String group) throws SQLException {
try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(GROUP_PERMISSIONS_DELETE))) { try (PreparedStatement ps = c.prepareStatement(this.statementProcessor.apply(GROUP_PERMISSIONS_DELETE))) {
ps.setString(1, group); ps.setString(1, group);