/**
* Assigns sequential identifiers to the provided <code>clusters</code> (and their sub-clusters).
* If a cluster already has an identifier, the identifier will not be changed.
*
* @param clusters Clusters to assign identifiers to.
* @throws IllegalArgumentException if the provided clusters contain non-unique identifiers
*/
public static void assignClusterIds(Collection<Cluster> clusters) {
final ArrayList<Cluster> flattened = Lists.newArrayListWithExpectedSize(clusters.size());
flatten(flattened, clusters);
synchronized (clusters) {
final HashSet<Integer> ids = Sets.newHashSet();
// First, find the start value for the id and check uniqueness of the ids
// already provided.
int maxId = Integer.MIN_VALUE;
for (final Cluster cluster : flattened) {
if (cluster.id != null) {
if (!ids.add(cluster.id)) {
throw new IllegalArgumentException("Non-unique cluster id found: " + cluster.id);
}
maxId = Math.max(maxId, cluster.id);
}
}
// We'd rather start with 0
maxId = Math.max(maxId, -1);
// Assign missing ids
for (final Cluster c : flattened) {
if (c.id == null) {
c.id = ++maxId;
}
}
}
}
@Override
public void readFields(DataInput input) throws IOException {
byte[] tableNameBytes = Bytes.readByteArray(input);
PName tableName = new PNameImpl(tableNameBytes);
PTableType tableType = PTableType.values()[WritableUtils.readVInt(input)];
long sequenceNumber = WritableUtils.readVLong(input);
long timeStamp = input.readLong();
byte[] pkNameBytes = Bytes.readByteArray(input);
String pkName = pkNameBytes.length == 0 ? null : Bytes.toString(pkNameBytes);
int nColumns = WritableUtils.readVInt(input);
List<PColumn> columns = Lists.newArrayListWithExpectedSize(nColumns);
for (int i = 0; i < nColumns; i++) {
PColumn column = new PColumnImpl();
column.readFields(input);
columns.add(column);
}
Map<String, byte[][]> guidePosts = new HashMap<String, byte[][]>();
int size = WritableUtils.readVInt(input);
for (int i = 0; i < size; i++) {
String key = WritableUtils.readString(input);
int valueSize = WritableUtils.readVInt(input);
byte[][] value = new byte[valueSize][];
for (int j = 0; j < valueSize; j++) {
value[j] = Bytes.readByteArray(input);
}
guidePosts.put(key, value);
}
PTableStats stats = new PTableStatsImpl(guidePosts);
init(tableName, tableType, timeStamp, sequenceNumber, pkName, columns, stats);
}
public MutationState dropColumn(DropColumnStatement statement) throws SQLException {
connection.rollback();
boolean wasAutoCommit = connection.getAutoCommit();
try {
connection.setAutoCommit(false);
TableName tableNameNode = statement.getTableName();
String schemaName = tableNameNode.getSchemaName();
String tableName = tableNameNode.getTableName();
PTable table = getLatestTable(schemaName, tableName); // TODO: Do in resolver?
boolean retried = false;
while (true) {
final ColumnResolver resolver = FromCompiler.getResolver(statement, connection);
ColumnRef columnRef = null;
try {
columnRef = resolver.resolveColumn((ColumnParseNode) statement.getColumnRef());
} catch (ColumnNotFoundException e) {
if (statement.ifExists()) {
return new MutationState(0, connection);
}
throw e;
}
TableRef tableRef = columnRef.getTableRef();
PColumn columnToDrop = columnRef.getColumn();
if (SchemaUtil.isPKColumn(columnToDrop)) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_DROP_PK)
.setColumnName(columnToDrop.getName().getString())
.build()
.buildException();
}
int columnCount = table.getColumns().size() - 1;
String familyName = null;
List<String> binds = Lists.newArrayListWithExpectedSize(4);
StringBuilder buf =
new StringBuilder(
"DELETE FROM " + TYPE_SCHEMA + ".\"" + TYPE_TABLE + "\" WHERE " + TABLE_SCHEM_NAME);
if (schemaName == null || schemaName.length() == 0) {
buf.append(" IS NULL AND ");
} else {
buf.append(" = ? AND ");
binds.add(schemaName);
}
buf.append(TABLE_NAME_NAME + " = ? AND " + COLUMN_NAME + " = ? AND " + TABLE_CAT_NAME);
binds.add(tableName);
binds.add(columnToDrop.getName().getString());
if (columnToDrop.getFamilyName() == null) {
buf.append(" IS NULL");
} else {
buf.append(" = ?");
binds.add(familyName = columnToDrop.getFamilyName().getString());
}
PreparedStatement colDelete = connection.prepareStatement(buf.toString());
for (int i = 0; i < binds.size(); i++) {
colDelete.setString(i + 1, binds.get(i));
}
colDelete.execute();
PreparedStatement colUpdate = connection.prepareStatement(UPDATE_COLUMN_POSITION);
colUpdate.setString(1, schemaName);
colUpdate.setString(2, tableName);
for (int i = columnToDrop.getPosition() + 1; i < table.getColumns().size(); i++) {
PColumn column = table.getColumns().get(i);
colUpdate.setString(3, column.getName().getString());
colUpdate.setString(
4, column.getFamilyName() == null ? null : column.getFamilyName().getString());
colUpdate.setInt(5, i);
colUpdate.execute();
}
final long seqNum = table.getSequenceNumber() + 1;
PreparedStatement tableUpsert = connection.prepareStatement(MUTATE_TABLE);
tableUpsert.setString(1, schemaName);
tableUpsert.setString(2, tableName);
tableUpsert.setString(3, table.getType().getSerializedValue());
tableUpsert.setLong(4, seqNum);
tableUpsert.setInt(5, columnCount);
tableUpsert.execute();
final List<Mutation> tableMetaData = connection.getMutationState().toMutations();
connection.rollback();
// If we're dropping the last KV colum, we have to pass an indication along to the
// dropColumn call
// to populate a new empty KV column
byte[] emptyCF = null;
if (table.getType() != PTableType.VIEW
&& !SchemaUtil.isPKColumn(columnToDrop)
&& table.getColumnFamilies().get(0).getName().equals(columnToDrop.getFamilyName())
&& table.getColumnFamilies().get(0).getColumns().size() == 1) {
emptyCF =
SchemaUtil.getEmptyColumnFamily(
table.getColumnFamilies().subList(1, table.getColumnFamilies().size()));
}
MetaDataMutationResult result =
connection
.getQueryServices()
.dropColumn(
tableMetaData,
emptyCF != null
&& Bytes.compareTo(emptyCF, QueryConstants.EMPTY_COLUMN_BYTES) == 0
? emptyCF
: null);
try {
MutationCode code = processMutationResult(schemaName, tableName, result);
if (code == MutationCode.COLUMN_NOT_FOUND) {
connection.addTable(schemaName, result.getTable());
if (!statement.ifExists()) {
throw new ColumnNotFoundException(
schemaName, tableName, familyName, columnToDrop.getName().getString());
}
return new MutationState(0, connection);
}
connection.removeColumn(
schemaName,
tableName,
familyName,
columnToDrop.getName().getString(),
seqNum,
result.getMutationTime());
// If we have a VIEW, then only delete the metadata, and leave the table data alone
if (table.getType() != PTableType.VIEW) {
connection.setAutoCommit(true);
Long scn = connection.getSCN();
// Delete everything in the column. You'll still be able to do queries at earlier
// timestamps
long ts = (scn == null ? result.getMutationTime() : scn);
MutationPlan plan =
new PostDDLCompiler(connection)
.compile(tableRef, emptyCF, Collections.singletonList(columnToDrop), ts);
return connection.getQueryServices().updateData(plan);
}
return new MutationState(0, connection);
} catch (ConcurrentTableMutationException e) {
if (retried) {
throw e;
}
table = connection.getPMetaData().getSchema(schemaName).getTable(tableName);
retried = true;
}
}
} finally {
connection.setAutoCommit(wasAutoCommit);
}
}
public MutationState addColumn(AddColumnStatement statement) throws SQLException {
connection.rollback();
boolean wasAutoCommit = connection.getAutoCommit();
try {
connection.setAutoCommit(false);
TableName tableNameNode = statement.getTableName();
String schemaName = tableNameNode.getSchemaName();
String tableName = tableNameNode.getTableName();
PTable table = getLatestTable(schemaName, tableName);
PSchema schema = connection.getPMetaData().getSchema(schemaName);
boolean retried = false;
while (true) {
int ordinalPosition = table.getColumns().size();
// TODO: disallow adding columns if last column is fixed width and nullable
List<PColumn> columns = Lists.newArrayListWithExpectedSize(1);
ColumnDef colDef = statement.getColumnDef();
if (!colDef.isNull() && colDef.isPK()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.NOT_NULLABLE_COLUMN_IN_ROW_KEY)
.setColumnName(colDef.getColumnDefName().getColumnName().getName())
.build()
.buildException();
}
PreparedStatement colUpsert = connection.prepareStatement(INSERT_COLUMN);
Pair<byte[], Map<String, Object>> family = null;
PColumn column = newColumn(ordinalPosition++, colDef, null);
addColumnMutation(schemaName, tableName, column, colUpsert);
columns.add(column);
if (column.getFamilyName() != null) {
family =
new Pair<byte[], Map<String, Object>>(
column.getFamilyName().getBytes(), statement.getProps());
}
final long seqNum = table.getSequenceNumber() + 1;
PreparedStatement tableUpsert = connection.prepareStatement(MUTATE_TABLE);
tableUpsert.setString(1, schemaName);
tableUpsert.setString(2, tableName);
tableUpsert.setString(3, table.getType().getSerializedValue());
tableUpsert.setLong(4, seqNum);
tableUpsert.setInt(5, ordinalPosition);
tableUpsert.execute();
final List<Mutation> tableMetaData = connection.getMutationState().toMutations();
connection.rollback();
byte[] emptyCF = null;
if (table.getType() != PTableType.VIEW
&& family != null
&& table.getColumnFamilies().isEmpty()) {
emptyCF = family.getFirst();
}
MetaDataMutationResult result =
connection
.getQueryServices()
.addColumn(tableMetaData, table.getType() == PTableType.VIEW, family);
try {
MutationCode code = processMutationResult(schemaName, tableName, result);
if (code == MutationCode.COLUMN_ALREADY_EXISTS) {
connection.addTable(schemaName, result.getTable());
if (!statement.ifNotExists()) {
throw new ColumnAlreadyExistsException(
schemaName, tableName, SchemaUtil.findExistingColumn(result.getTable(), columns));
}
return new MutationState(0, connection);
}
connection.addColumn(schemaName, tableName, columns, seqNum, result.getMutationTime());
if (emptyCF != null) {
Long scn = connection.getSCN();
connection.setAutoCommit(true);
// Delete everything in the column. You'll still be able to do queries at earlier
// timestamps
long ts = (scn == null ? result.getMutationTime() : scn);
TableRef tableRef = new TableRef(null, table, schema, ts);
MutationPlan plan =
new PostDDLCompiler(connection).compile(tableRef, emptyCF, null, ts);
return connection.getQueryServices().updateData(plan);
}
return new MutationState(0, connection);
} catch (ConcurrentTableMutationException e) {
if (retried) {
throw e;
}
table = connection.getPMetaData().getSchema(schemaName).getTable(tableName);
retried = true;
}
}
} finally {
connection.setAutoCommit(wasAutoCommit);
}
}
public MutationState createTable(CreateTableStatement statement, byte[][] splits)
throws SQLException {
PTableType tableType = statement.getTableType();
boolean isView = tableType == PTableType.VIEW;
if (isView && !statement.getProps().isEmpty()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.VIEW_WITH_TABLE_CONFIG)
.build()
.buildException();
}
connection.rollback();
boolean wasAutoCommit = connection.getAutoCommit();
try {
connection.setAutoCommit(false);
TableName tableNameNode = statement.getTableName();
String schemaName = tableNameNode.getSchemaName();
String tableName = tableNameNode.getTableName();
PrimaryKeyConstraint pkConstraint = statement.getPrimaryKeyConstraint();
String pkName = null;
Set<String> pkColumns = Collections.<String>emptySet();
Iterator<String> pkColumnsIterator = Iterators.emptyIterator();
if (pkConstraint != null) {
pkColumns = pkConstraint.getColumnNames();
pkColumnsIterator = pkColumns.iterator();
pkName = pkConstraint.getName();
}
List<ColumnDef> colDefs = statement.getColumnDefs();
List<PColumn> columns = Lists.newArrayListWithExpectedSize(colDefs.size());
PreparedStatement colUpsert = connection.prepareStatement(INSERT_COLUMN);
int columnOrdinal = 0;
Map<String, PName> familyNames = Maps.newLinkedHashMap();
boolean isPK = false;
for (ColumnDef colDef : colDefs) {
if (colDef.isPK()) {
if (isPK) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_ALREADY_EXISTS)
.setColumnName(colDef.getColumnDefName().getColumnName().getName())
.build()
.buildException();
}
isPK = true;
}
PColumn column = newColumn(columnOrdinal++, colDef, pkConstraint);
if (SchemaUtil.isPKColumn(column)) {
// TODO: remove this constraint?
if (!pkColumns.isEmpty()
&& !column.getName().getString().equals(pkColumnsIterator.next())) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_OUT_OF_ORDER)
.setSchemaName(schemaName)
.setTableName(tableName)
.setColumnName(column.getName().getString())
.build()
.buildException();
}
}
columns.add(column);
if (colDef.getDataType() == PDataType.BINARY && colDefs.size() > 1) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.BINARY_IN_ROW_KEY)
.setSchemaName(schemaName)
.setTableName(tableName)
.setColumnName(column.getName().getString())
.build()
.buildException();
}
if (column.getFamilyName() != null) {
familyNames.put(column.getFamilyName().getString(), column.getFamilyName());
}
}
if (!isPK && pkColumns.isEmpty()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PRIMARY_KEY_MISSING)
.setSchemaName(schemaName)
.setTableName(tableName)
.build()
.buildException();
}
List<Pair<byte[], Map<String, Object>>> familyPropList =
Lists.newArrayListWithExpectedSize(familyNames.size());
Map<String, Object> commonFamilyProps = Collections.emptyMap();
Map<String, Object> tableProps = Collections.emptyMap();
if (!statement.getProps().isEmpty()) {
if (statement.isView()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.VIEW_WITH_PROPERTIES)
.build()
.buildException();
}
for (String familyName : statement.getProps().keySet()) {
if (!familyName.equals(QueryConstants.ALL_FAMILY_PROPERTIES_KEY)) {
if (familyNames.get(familyName) == null) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.PROPERTIES_FOR_FAMILY)
.setFamilyName(familyName)
.build()
.buildException();
}
}
}
commonFamilyProps = Maps.newHashMapWithExpectedSize(statement.getProps().size());
tableProps = Maps.newHashMapWithExpectedSize(statement.getProps().size());
Collection<Pair<String, Object>> props =
statement.getProps().get(QueryConstants.ALL_FAMILY_PROPERTIES_KEY);
// Somewhat hacky way of determining if property is for HColumnDescriptor or
// HTableDescriptor
HColumnDescriptor defaultDescriptor =
new HColumnDescriptor(QueryConstants.DEFAULT_COLUMN_FAMILY_BYTES);
for (Pair<String, Object> prop : props) {
if (defaultDescriptor.getValue(prop.getFirst()) != null) {
commonFamilyProps.put(prop.getFirst(), prop.getSecond());
} else {
tableProps.put(prop.getFirst(), prop.getSecond());
}
}
}
for (PName familyName : familyNames.values()) {
Collection<Pair<String, Object>> props = statement.getProps().get(familyName.getString());
if (props.isEmpty()) {
familyPropList.add(
new Pair<byte[], Map<String, Object>>(familyName.getBytes(), commonFamilyProps));
} else {
Map<String, Object> combinedFamilyProps =
Maps.newHashMapWithExpectedSize(props.size() + commonFamilyProps.size());
combinedFamilyProps.putAll(commonFamilyProps);
for (Pair<String, Object> prop : props) {
combinedFamilyProps.put(prop.getFirst(), prop.getSecond());
}
familyPropList.add(
new Pair<byte[], Map<String, Object>>(familyName.getBytes(), combinedFamilyProps));
}
}
// Bootstrapping for our SYSTEM.TABLE that creates itself before it exists
if (tableType == PTableType.SYSTEM) {
PTable table =
new PTableImpl(
new PNameImpl(tableName),
tableType,
MetaDataProtocol.MIN_TABLE_TIMESTAMP,
0,
QueryConstants.SYSTEM_TABLE_PK_NAME,
null,
columns);
connection.addTable(schemaName, table);
}
for (PColumn column : columns) {
addColumnMutation(schemaName, tableName, column, colUpsert);
}
Integer saltBucketNum = (Integer) tableProps.remove(PhoenixDatabaseMetaData.SALT_BUCKETS);
if (saltBucketNum != null
&& (saltBucketNum <= 0 || saltBucketNum > SaltingUtil.MAX_BUCKET_NUM)) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.INVALID_BUCKET_NUM)
.build()
.buildException();
}
PreparedStatement tableUpsert = connection.prepareStatement(CREATE_TABLE);
tableUpsert.setString(1, schemaName);
tableUpsert.setString(2, tableName);
tableUpsert.setString(3, tableType.getSerializedValue());
tableUpsert.setInt(4, 0);
tableUpsert.setInt(5, columnOrdinal);
if (saltBucketNum != null) {
tableUpsert.setInt(6, saltBucketNum);
} else {
tableUpsert.setNull(6, Types.INTEGER);
}
tableUpsert.setString(7, pkName);
tableUpsert.execute();
final List<Mutation> tableMetaData = connection.getMutationState().toMutations();
connection.rollback();
MetaDataMutationResult result =
connection
.getQueryServices()
.createTable(tableMetaData, isView, tableProps, familyPropList, splits);
MutationCode code = result.getMutationCode();
switch (code) {
case TABLE_ALREADY_EXISTS:
connection.addTable(schemaName, result.getTable());
if (!statement.ifNotExists()) {
throw new TableAlreadyExistsException(schemaName, tableName);
}
break;
case NEWER_TABLE_FOUND:
// TODO: add table if in result?
throw new NewerTableAlreadyExistsException(schemaName, tableName);
case UNALLOWED_TABLE_MUTATION:
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_MUTATE_TABLE)
.setSchemaName(schemaName)
.setTableName(tableName)
.build()
.buildException();
default:
PTable table =
new PTableImpl(
new PNameImpl(tableName),
tableType,
result.getMutationTime(),
0,
pkName,
saltBucketNum,
columns);
connection.addTable(schemaName, table);
if (tableType == PTableType.USER) {
connection.setAutoCommit(true);
// Delete everything in the column. You'll still be able to do queries at earlier
// timestamps
Long scn = connection.getSCN();
long ts = (scn == null ? result.getMutationTime() : scn);
PSchema schema =
new PSchemaImpl(
schemaName,
ImmutableMap.<String, PTable>of(table.getName().getString(), table));
TableRef tableRef = new TableRef(null, table, schema, ts);
byte[] emptyCF = SchemaUtil.getEmptyColumnFamily(table.getColumnFamilies());
MutationPlan plan =
new PostDDLCompiler(connection).compile(tableRef, emptyCF, null, ts);
return connection.getQueryServices().updateData(plan);
}
break;
}
return new MutationState(0, connection);
} finally {
connection.setAutoCommit(wasAutoCommit);
}
}
private void init(
PName name,
PTableType type,
long timeStamp,
long sequenceNumber,
String pkName,
List<PColumn> columns,
PTableStats stats) {
this.name = name;
this.type = type;
this.timeStamp = timeStamp;
this.sequenceNumber = sequenceNumber;
this.columnsByName = ArrayListMultimap.create(columns.size(), 1);
this.pkName = pkName;
List<PColumn> pkColumns = Lists.newArrayListWithExpectedSize(columns.size() - 1);
PColumn[] allColumns = new PColumn[columns.size()];
RowKeySchemaBuilder builder = new RowKeySchemaBuilder();
for (int i = 0; i < allColumns.length; i++) {
PColumn column = columns.get(i);
allColumns[column.getPosition()] = column;
PName familyName = column.getFamilyName();
if (familyName == null) {
pkColumns.add(column);
builder.addField(column);
}
columnsByName.put(column.getName().getString(), column);
}
this.pkColumns = ImmutableList.copyOf(pkColumns);
this.rowKeySchema = builder.setMinNullable(pkColumns.size()).build();
this.allColumns = ImmutableList.copyOf(allColumns);
// Two pass so that column order in column families matches overall column order
// and to ensure that column family order is constant
int maxExpectedSize = allColumns.length - pkColumns.size();
// Maintain iteration order so that column families are ordered as they are listed
Map<PName, List<PColumn>> familyMap = Maps.newLinkedHashMap();
for (PColumn column : allColumns) {
PName familyName = column.getFamilyName();
if (familyName != null) {
List<PColumn> columnsInFamily = familyMap.get(familyName);
if (columnsInFamily == null) {
columnsInFamily = Lists.newArrayListWithExpectedSize(maxExpectedSize);
familyMap.put(familyName, columnsInFamily);
}
columnsInFamily.add(column);
}
}
Iterator<Map.Entry<PName, List<PColumn>>> iterator = familyMap.entrySet().iterator();
PColumnFamily[] families = new PColumnFamily[familyMap.size()];
ImmutableMap.Builder<String, PColumnFamily> familyByString = ImmutableMap.builder();
ImmutableSortedMap.Builder<byte[], PColumnFamily> familyByBytes =
ImmutableSortedMap.orderedBy(Bytes.BYTES_COMPARATOR);
for (int i = 0; i < families.length; i++) {
Map.Entry<PName, List<PColumn>> entry = iterator.next();
PColumnFamily family = new PColumnFamilyImpl(entry.getKey(), entry.getValue());
families[i] = family;
familyByString.put(family.getName().getString(), family);
familyByBytes.put(family.getName().getBytes(), family);
}
this.families = ImmutableList.copyOf(families);
this.familyByBytes = familyByBytes.build();
this.familyByString = familyByString.build();
this.stats = stats;
}