use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.
the class TriggersSchemaTest method removeTriggerFromCf.
@Test
public void removeTriggerFromCf() throws Exception {
TriggerMetadata td = TriggerMetadata.create(triggerName, triggerClass);
TableMetadata tm = CreateTableStatement.parse(String.format("CREATE TABLE %s (k int PRIMARY KEY, v int)", cfName), ksName).triggers(Triggers.of(td)).build();
KeyspaceMetadata ksm = KeyspaceMetadata.create(ksName, KeyspaceParams.simple(1), Tables.of(tm));
MigrationManager.announceNewKeyspace(ksm);
TableMetadata tm1 = Schema.instance.getTableMetadata(ksName, cfName);
TableMetadata tm2 = tm1.unbuild().triggers(tm1.triggers.without(triggerName)).build();
MigrationManager.announceTableUpdate(tm2);
TableMetadata tm3 = Schema.instance.getTableMetadata(ksName, cfName);
assertTrue(tm3.triggers.isEmpty());
}
use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.
the class AuditTrigger method augment.
public Collection<Mutation> augment(Partition update) {
String auditKeyspace = properties.getProperty("keyspace");
String auditTable = properties.getProperty("table");
TableMetadata metadata = Schema.instance.getTableMetadata(auditKeyspace, auditTable);
PartitionUpdate.SimpleBuilder audit = PartitionUpdate.simpleBuilder(metadata, UUIDGen.getTimeUUID());
audit.row().add("keyspace_name", update.metadata().keyspace).add("table_name", update.metadata().table).add("primary_key", update.metadata().partitionKeyType.getString(update.partitionKey().getKey()));
return Collections.singletonList(audit.buildAsMutation());
}
use of org.apache.cassandra.schema.TableMetadata 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());
}
use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.
the class AlterViewStatement method announceMigration.
public Event.SchemaChange announceMigration(QueryState queryState, boolean isLocalOnly) throws RequestValidationException {
TableMetadata meta = Schema.instance.validateTable(keyspace(), columnFamily());
if (!meta.isView())
throw new InvalidRequestException("Cannot use ALTER MATERIALIZED VIEW on Table");
ViewMetadata current = Schema.instance.getView(keyspace(), columnFamily());
if (attrs == null)
throw new InvalidRequestException("ALTER MATERIALIZED VIEW WITH invoked, but no parameters found");
attrs.validate();
TableParams params = attrs.asAlteredTableParams(current.metadata.params);
if (params.gcGraceSeconds == 0) {
throw new InvalidRequestException("Cannot alter gc_grace_seconds 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 (params.defaultTimeToLive > 0) {
throw new InvalidRequestException("Cannot set or alter default_time_to_live for a materialized view. " + "Data in a materialized view always expire at the same time than " + "the corresponding data in the parent table.");
}
ViewMetadata updated = current.copy(current.metadata.unbuild().params(params).build());
MigrationManager.announceViewUpdate(updated, isLocalOnly);
return new Event.SchemaChange(Event.SchemaChange.Change.UPDATED, Event.SchemaChange.Target.TABLE, keyspace(), columnFamily());
}
use of org.apache.cassandra.schema.TableMetadata in project cassandra by apache.
the class ModificationStatement method buildCasFailureResultSet.
private static ResultSet buildCasFailureResultSet(RowIterator partition, Iterable<ColumnMetadata> columnsWithConditions, boolean isBatch, QueryOptions options) throws InvalidRequestException {
TableMetadata metadata = partition.metadata();
Selection selection;
if (columnsWithConditions == null) {
selection = Selection.wildcard(metadata);
} else {
// We can have multiple conditions on the same columns (for collections) so use a set
// to avoid duplicate, but preserve the order just to it follows the order of IF in the query in general
Set<ColumnMetadata> defs = new LinkedHashSet<>();
// of batches for compatibility sakes).
if (isBatch)
Iterables.addAll(defs, metadata.primaryKeyColumns());
Iterables.addAll(defs, columnsWithConditions);
selection = Selection.forColumns(metadata, new ArrayList<>(defs));
}
Selection.ResultSetBuilder builder = selection.resultSetBuilder(options, false);
SelectStatement.forSelection(metadata, selection).processPartition(partition, options, builder, FBUtilities.nowInSeconds());
return builder.build();
}
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