Examples with QueryState org.apache.cassandra.service.QueryState used on opensource projects

Example 1 with QueryState

use of org.apache.cassandra.service.QueryState in project cassandra by apache.

the class AlterTableStatement method announceMigration.

public Event.SchemaChange announceMigration(QueryState queryState, boolean isLocalOnly) throws RequestValidationException {
    TableMetadata current = Schema.instance.validateTable(keyspace(), columnFamily());
    if (current.isView())
        throw new InvalidRequestException("Cannot use ALTER TABLE on Materialized View");
    TableMetadata.Builder builder = current.unbuild();
    ColumnIdentifier columnName = null;
    ColumnMetadata def = null;
    CQL3Type.Raw dataType = null;
    boolean isStatic = false;
    CQL3Type validator = null;
    List<ViewMetadata> viewUpdates = new ArrayList<>();
    Iterable<ViewMetadata> views = View.findAll(keyspace(), columnFamily());
    switch(oType) {
        case ALTER:
            throw new InvalidRequestException("Altering of types is not allowed");
        case ADD:
            if (current.isDense())
                throw new InvalidRequestException("Cannot add new column to a COMPACT STORAGE table");
            for (AlterTableStatementColumn colData : colNameList) {
                columnName = colData.getColumnName().getIdentifier(current);
                def = builder.getColumn(columnName);
                dataType = colData.getColumnType();
                assert dataType != null;
                isStatic = colData.getStaticType();
                validator = dataType.prepare(keyspace());
                if (isStatic) {
                    if (!current.isCompound())
                        throw new InvalidRequestException("Static columns are not allowed in COMPACT STORAGE tables");
                    if (current.clusteringColumns().isEmpty())
                        throw new InvalidRequestException("Static columns are only useful (and thus allowed) if the table has at least one clustering column");
                }
                if (def != null) {
                    switch(def.kind) {
                        case PARTITION_KEY:
                        case CLUSTERING:
                            throw new InvalidRequestException(String.format("Invalid column name %s because it conflicts with a PRIMARY KEY part", columnName));
                        default:
                            throw new InvalidRequestException(String.format("Invalid column name %s because it conflicts with an existing column", columnName));
                    }
                }
                // Cannot re-add a dropped counter column. See #7831.
                if (current.isCounter() && current.getDroppedColumn(columnName.bytes) != null)
                    throw new InvalidRequestException(String.format("Cannot re-add previously dropped counter column %s", columnName));
                AbstractType<?> type = validator.getType();
                if (type.isCollection() && type.isMultiCell()) {
                    if (!current.isCompound())
                        throw new InvalidRequestException("Cannot use non-frozen collections in COMPACT STORAGE tables");
                    if (current.isSuper())
                        throw new InvalidRequestException("Cannot use non-frozen collections with super column families");
                    // If there used to be a non-frozen collection column with the same name (that has been dropped),
                    // we could still have some data using the old type, and so we can't allow adding a collection
                    // with the same name unless the types are compatible (see #6276).
                    DroppedColumn dropped = current.droppedColumns.get(columnName.bytes);
                    if (dropped != null && dropped.column.type instanceof CollectionType && dropped.column.type.isMultiCell() && !type.isCompatibleWith(dropped.column.type)) {
                        String message = String.format("Cannot add a collection with the name %s because a collection with the same name" + " and a different type (%s) has already been used in the past", columnName, dropped.column.type.asCQL3Type());
                        throw new InvalidRequestException(message);
                    }
                }
                builder.addColumn(isStatic ? ColumnMetadata.staticColumn(current, columnName.bytes, type) : ColumnMetadata.regularColumn(current, columnName.bytes, type));
                // as well
                if (!isStatic)
                    for (ViewMetadata view : views) if (view.includeAllColumns)
                        viewUpdates.add(view.withAddedRegularColumn(ColumnMetadata.regularColumn(view.metadata, columnName.bytes, type)));
            }
            break;
        case DROP:
            if (!current.isCQLTable())
                throw new InvalidRequestException("Cannot drop columns from a non-CQL3 table");
            for (AlterTableStatementColumn colData : colNameList) {
                columnName = colData.getColumnName().getIdentifier(current);
                def = builder.getColumn(columnName);
                if (def == null)
                    throw new InvalidRequestException(String.format("Column %s was not found in table %s", columnName, columnFamily()));
                switch(def.kind) {
                    case PARTITION_KEY:
                    case CLUSTERING:
                        throw new InvalidRequestException(String.format("Cannot drop PRIMARY KEY part %s", columnName));
                    case REGULAR:
                    case STATIC:
                        builder.removeRegularOrStaticColumn(def.name);
                        builder.recordColumnDrop(def, deleteTimestamp == null ? queryState.getTimestamp() : deleteTimestamp);
                        break;
                }
                // If the dropped column is required by any secondary indexes
                // we reject the operation, as the indexes must be dropped first
                Indexes allIndexes = current.indexes;
                if (!allIndexes.isEmpty()) {
                    ColumnFamilyStore store = Keyspace.openAndGetStore(current);
                    Set<IndexMetadata> dependentIndexes = store.indexManager.getDependentIndexes(def);
                    if (!dependentIndexes.isEmpty()) {
                        throw new InvalidRequestException(String.format("Cannot drop column %s because it has " + "dependent secondary indexes (%s)", def, dependentIndexes.stream().map(i -> i.name).collect(Collectors.joining(","))));
                    }
                }
                // If a column is dropped which is included in a view, we don't allow the drop to take place.
                boolean rejectAlter = false;
                StringBuilder viewNames = new StringBuilder();
                for (ViewMetadata view : views) {
                    if (!view.includes(columnName))
                        continue;
                    if (rejectAlter)
                        viewNames.append(',');
                    rejectAlter = true;
                    viewNames.append(view.name);
                }
                if (rejectAlter)
                    throw new InvalidRequestException(String.format("Cannot drop column %s, depended on by materialized views (%s.{%s})", columnName.toString(), keyspace(), viewNames.toString()));
            }
            break;
        case OPTS:
            if (attrs == null)
                throw new InvalidRequestException("ALTER TABLE WITH invoked, but no parameters found");
            attrs.validate();
            TableParams params = attrs.asAlteredTableParams(current.params);
            if (!Iterables.isEmpty(views) && params.gcGraceSeconds == 0) {
                throw new InvalidRequestException("Cannot alter gc_grace_seconds of the base table of a " + "materialized view to 0, since this value is used to TTL " + "undelivered updates. Setting gc_grace_seconds too low might " + "cause undelivered updates to expire " + "before being replayed.");
            }
            if (current.isCounter() && params.defaultTimeToLive > 0)
                throw new InvalidRequestException("Cannot set default_time_to_live on a table with counters");
            builder.params(params);
            break;
        case RENAME:
            for (Map.Entry<ColumnMetadata.Raw, ColumnMetadata.Raw> entry : renames.entrySet()) {
                ColumnIdentifier from = entry.getKey().getIdentifier(current);
                ColumnIdentifier to = entry.getValue().getIdentifier(current);
                def = current.getColumn(from);
                if (def == null)
                    throw new InvalidRequestException(String.format("Cannot rename unknown column %s in table %s", from, current.name));
                if (current.getColumn(to) != null)
                    throw new InvalidRequestException(String.format("Cannot rename column %s to %s in table %s; another column of that name already exist", from, to, current.name));
                if (!def.isPrimaryKeyColumn())
                    throw new InvalidRequestException(String.format("Cannot rename non PRIMARY KEY part %s", from));
                if (!current.indexes.isEmpty()) {
                    ColumnFamilyStore store = Keyspace.openAndGetStore(current);
                    Set<IndexMetadata> dependentIndexes = store.indexManager.getDependentIndexes(def);
                    if (!dependentIndexes.isEmpty())
                        throw new InvalidRequestException(String.format("Cannot rename column %s because it has " + "dependent secondary indexes (%s)", from, dependentIndexes.stream().map(i -> i.name).collect(Collectors.joining(","))));
                }
                builder.renamePrimaryKeyColumn(from, to);
                // If the view includes a renamed column, it must be renamed in the view table and the definition.
                for (ViewMetadata view : views) {
                    if (!view.includes(from))
                        continue;
                    ColumnIdentifier viewFrom = entry.getKey().getIdentifier(view.metadata);
                    ColumnIdentifier viewTo = entry.getValue().getIdentifier(view.metadata);
                    viewUpdates.add(view.renamePrimaryKeyColumn(viewFrom, viewTo));
                }
            }
            break;
    }
    // FIXME: Should really be a single announce for the table and views.
    MigrationManager.announceTableUpdate(builder.build(), isLocalOnly);
    for (ViewMetadata viewUpdate : viewUpdates) MigrationManager.announceViewUpdate(viewUpdate, isLocalOnly);
    return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.TABLE, keyspace(), columnFamily());
}

Example 2 with QueryState

use of org.apache.cassandra.service.QueryState in project cassandra by apache.

the class CustomNowInSecondsTest method execute.

// prepared = false tests QueryMessage path, prepared = true tests ExecuteMessage path
private static ResultMessage execute(String query, int nowInSeconds, boolean prepared) {
    ClientState cs = ClientState.forInternalCalls();
    QueryState qs = new QueryState(cs);
    if (prepared) {
        CQLStatement statement = QueryProcessor.parseStatement(query, cs);
        return QueryProcessor.instance.processPrepared(statement, qs, queryOptions(nowInSeconds), emptyMap(), nanoTime());
    } else {
        CQLStatement statement = QueryProcessor.instance.parse(query, qs, queryOptions(nowInSeconds));
        return QueryProcessor.instance.process(statement, qs, queryOptions(nowInSeconds), emptyMap(), nanoTime());
    }
}

Example 3 with QueryState

use of org.apache.cassandra.service.QueryState in project cassandra by apache.

the class CustomNowInSecondsTest method testBatchMessage.

@Test
public void testBatchMessage() {
    // test BatchMessage path
    int now = (int) (System.currentTimeMillis() / 1000);
    int day = 86400;
    String ks = createKeyspace("CREATE KEYSPACE %s WITH replication={ 'class' : 'SimpleStrategy', 'replication_factor' : 1 }");
    String tbl = createTable(ks, "CREATE TABLE %s (id int primary key, val int)");
    List<String> queries = ImmutableList.of(format("INSERT INTO %s.%s (id, val) VALUES (0, 0) USING TTL %d;", ks, tbl, 1), format("INSERT INTO %s.%s (id, val) VALUES (1, 1) USING TTL %d;", ks, tbl, 1));
    ClientState cs = ClientState.forInternalCalls();
    QueryState qs = new QueryState(cs);
    List<ModificationStatement> statements = new ArrayList<>(queries.size());
    for (String query : queries) statements.add((ModificationStatement) QueryProcessor.parseStatement(query, cs));
    BatchStatement batch = new BatchStatement(BatchStatement.Type.UNLOGGED, VariableSpecifications.empty(), statements, Attributes.none());
    // execute an BATCH message with now set to [now + 1 day], with ttl = 1, making its effective ttl = 1 day + 1.
    QueryProcessor.instance.processBatch(batch, qs, batchQueryOptions(now + day), emptyMap(), nanoTime());
    // verify that despite TTL having passed at now + 1 the rows are still there.
    assertEquals(2, executeSelect(format("SELECT * FROM %s.%s", ks, tbl), now + 1, false).size());
    // jump in time by one day, make sure the row expired.
    assertEquals(0, executeSelect(format("SELECT * FROM %s.%s", ks, tbl), now + day + 1, false).size());
}

Example 4 with QueryState

use of org.apache.cassandra.service.QueryState in project cassandra by apache.

the class GuardrailTester method execute.

protected ResultMessage execute(ClientState state, String query) {
    QueryState queryState = new QueryState(state);
    String formattedQuery = formatQuery(query);
    CQLStatement statement = QueryProcessor.parseStatement(formattedQuery, queryState.getClientState());
    statement.validate(state);
    QueryOptions options = QueryOptions.forInternalCalls(Collections.emptyList());
    return statement.executeLocally(queryState, options);
}

Example 5 with QueryState

use of org.apache.cassandra.service.QueryState in project cassandra by apache.

the class CompactionAllocationTest method testTinyPartitions.

private static void testTinyPartitions(String name, int numSSTable, int sstablePartitions, boolean overlap) throws Throwable {
    String ksname = "ks_" + name.toLowerCase();
    SchemaLoader.createKeyspace(ksname, KeyspaceParams.simple(1), CreateTableStatement.parse("CREATE TABLE tbl (k INT PRIMARY KEY, v INT)", ksname).build());
    ColumnFamilyStore cfs = Schema.instance.getColumnFamilyStoreInstance(Schema.instance.getTableMetadata(ksname, "tbl").id);
    Assert.assertNotNull(cfs);
    cfs.disableAutoCompaction();
    List<Runnable> reads = new ArrayList<>(numSSTable * (overlap ? 1 : sstablePartitions));
    measure(new Workload() {

        public void setup() {
            cfs.disableAutoCompaction();
            String insert = String.format("INSERT INTO %s.%s (k, v) VALUES (?,?)", ksname, "tbl");
            String read = String.format("SELECT * FROM %s.%s WHERE k = ?", ksname, "tbl");
            SelectStatement select = (SelectStatement) QueryProcessor.parseStatement(read).prepare(ClientState.forInternalCalls());
            QueryState queryState = QueryState.forInternalCalls();
            for (int f = 0; f < numSSTable; f++) {
                for (int p = 0; p < sstablePartitions; p++) {
                    int key = overlap ? p : (f * sstablePartitions) + p;
                    QueryProcessor.executeInternal(insert, key, key);
                    if (!overlap || f == 0) {
                        QueryOptions options = QueryProcessor.makeInternalOptions(select, new Object[] { f });
                        ReadQuery query = select.getQuery(options, queryState.getNowInSeconds());
                        reads.add(() -> runQuery(query, cfs.metadata.get()));
                    }
                }
                cfs.forceBlockingFlush();
            }
            Assert.assertEquals(numSSTable, cfs.getLiveSSTables().size());
        }

        public List<Runnable> getReads() {
            return reads;
        }

        public ColumnFamilyStore getCfs() {
            return cfs;
        }

        public String name() {
            return name;
        }
    });
}