use of org.apache.phoenix.schema.MetaDataEntityNotFoundException in project phoenix by apache.
the class UpsertCompiler method compile.
public MutationPlan compile(UpsertStatement upsert) throws SQLException {
final PhoenixConnection connection = statement.getConnection();
ConnectionQueryServices services = connection.getQueryServices();
final int maxSize = services.getProps().getInt(QueryServices.MAX_MUTATION_SIZE_ATTRIB, QueryServicesOptions.DEFAULT_MAX_MUTATION_SIZE);
final int maxSizeBytes = services.getProps().getInt(QueryServices.MAX_MUTATION_SIZE_BYTES_ATTRIB, QueryServicesOptions.DEFAULT_MAX_MUTATION_SIZE_BYTES);
List<ColumnName> columnNodes = upsert.getColumns();
TableRef tableRefToBe = null;
PTable table = null;
Set<PColumn> addViewColumnsToBe = Collections.emptySet();
Set<PColumn> overlapViewColumnsToBe = Collections.emptySet();
List<PColumn> allColumnsToBe = Collections.emptyList();
boolean isTenantSpecific = false;
boolean isSharedViewIndex = false;
String tenantIdStr = null;
ColumnResolver resolver = null;
int[] columnIndexesToBe;
int nColumnsToSet = 0;
int[] pkSlotIndexesToBe;
List<ParseNode> valueNodes = upsert.getValues();
List<PColumn> targetColumns;
NamedTableNode tableNode = upsert.getTable();
String tableName = tableNode.getName().getTableName();
String schemaName = tableNode.getName().getSchemaName();
QueryPlan queryPlanToBe = null;
int nValuesToSet;
boolean sameTable = false;
boolean runOnServer = false;
boolean serverUpsertSelectEnabled = services.getProps().getBoolean(QueryServices.ENABLE_SERVER_UPSERT_SELECT, QueryServicesOptions.DEFAULT_ENABLE_SERVER_UPSERT_SELECT);
UpsertingParallelIteratorFactory parallelIteratorFactoryToBe = null;
// Retry once if auto commit is off, as the meta data may
// be out of date. We do not retry if auto commit is on, as we
// update the cache up front when we create the resolver in that case.
boolean retryOnce = !connection.getAutoCommit();
boolean useServerTimestampToBe = false;
resolver = FromCompiler.getResolverForMutation(upsert, connection);
tableRefToBe = resolver.getTables().get(0);
table = tableRefToBe.getTable();
// - transactional table with a connection having an SCN
if (table.getType() == PTableType.VIEW && table.getViewType().isReadOnly()) {
throw new ReadOnlyTableException(schemaName, tableName);
} else if (table.isTransactional() && connection.getSCN() != null) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_SPECIFY_SCN_FOR_TXN_TABLE).setSchemaName(schemaName).setTableName(tableName).build().buildException();
}
boolean isSalted = table.getBucketNum() != null;
isTenantSpecific = table.isMultiTenant() && connection.getTenantId() != null;
isSharedViewIndex = table.getViewIndexId() != null;
tenantIdStr = isTenantSpecific ? connection.getTenantId().getString() : null;
int posOffset = isSalted ? 1 : 0;
// Setup array of column indexes parallel to values that are going to be set
allColumnsToBe = table.getColumns();
nColumnsToSet = 0;
if (table.getViewType() == ViewType.UPDATABLE) {
addViewColumnsToBe = Sets.newLinkedHashSetWithExpectedSize(allColumnsToBe.size());
for (PColumn column : allColumnsToBe) {
if (column.getViewConstant() != null) {
addViewColumnsToBe.add(column);
}
}
}
ImmutableBytesWritable ptr = new ImmutableBytesWritable();
// Allow full row upsert if no columns or only dynamic ones are specified and values count match
if (columnNodes.isEmpty() || columnNodes.size() == upsert.getTable().getDynamicColumns().size()) {
nColumnsToSet = allColumnsToBe.size() - posOffset;
columnIndexesToBe = new int[nColumnsToSet];
pkSlotIndexesToBe = new int[columnIndexesToBe.length];
targetColumns = Lists.newArrayListWithExpectedSize(columnIndexesToBe.length);
targetColumns.addAll(Collections.<PColumn>nCopies(columnIndexesToBe.length, null));
int minPKPos = 0;
if (isSharedViewIndex) {
PColumn indexIdColumn = table.getPKColumns().get(minPKPos);
columnIndexesToBe[minPKPos] = indexIdColumn.getPosition();
targetColumns.set(minPKPos, indexIdColumn);
minPKPos++;
}
if (isTenantSpecific) {
PColumn tenantColumn = table.getPKColumns().get(minPKPos);
columnIndexesToBe[minPKPos] = tenantColumn.getPosition();
targetColumns.set(minPKPos, tenantColumn);
minPKPos++;
}
for (int i = posOffset, j = 0; i < allColumnsToBe.size(); i++) {
PColumn column = allColumnsToBe.get(i);
if (SchemaUtil.isPKColumn(column)) {
pkSlotIndexesToBe[i - posOffset] = j + posOffset;
if (j++ < minPKPos) {
// Skip, as it's already been set above
continue;
}
minPKPos = 0;
}
columnIndexesToBe[i - posOffset + minPKPos] = i;
targetColumns.set(i - posOffset + minPKPos, column);
}
if (!addViewColumnsToBe.isEmpty()) {
// All view columns overlap in this case
overlapViewColumnsToBe = addViewColumnsToBe;
addViewColumnsToBe = Collections.emptySet();
}
} else {
// Size for worse case
int numColsInUpsert = columnNodes.size();
nColumnsToSet = numColsInUpsert + addViewColumnsToBe.size() + (isTenantSpecific ? 1 : 0) + +(isSharedViewIndex ? 1 : 0);
columnIndexesToBe = new int[nColumnsToSet];
pkSlotIndexesToBe = new int[columnIndexesToBe.length];
targetColumns = Lists.newArrayListWithExpectedSize(columnIndexesToBe.length);
targetColumns.addAll(Collections.<PColumn>nCopies(columnIndexesToBe.length, null));
// TODO: necessary? So we'll get an AIOB exception if it's not replaced
Arrays.fill(columnIndexesToBe, -1);
// TODO: necessary? So we'll get an AIOB exception if it's not replaced
Arrays.fill(pkSlotIndexesToBe, -1);
BitSet pkColumnsSet = new BitSet(table.getPKColumns().size());
int i = 0;
if (isSharedViewIndex) {
PColumn indexIdColumn = table.getPKColumns().get(i + posOffset);
columnIndexesToBe[i] = indexIdColumn.getPosition();
pkColumnsSet.set(pkSlotIndexesToBe[i] = i + posOffset);
targetColumns.set(i, indexIdColumn);
i++;
}
// Add tenant column directly, as we don't want to resolve it as this will fail
if (isTenantSpecific) {
PColumn tenantColumn = table.getPKColumns().get(i + posOffset);
columnIndexesToBe[i] = tenantColumn.getPosition();
pkColumnsSet.set(pkSlotIndexesToBe[i] = i + posOffset);
targetColumns.set(i, tenantColumn);
i++;
}
for (ColumnName colName : columnNodes) {
ColumnRef ref = resolver.resolveColumn(null, colName.getFamilyName(), colName.getColumnName());
PColumn column = ref.getColumn();
if (IndexUtil.getViewConstantValue(column, ptr)) {
if (overlapViewColumnsToBe.isEmpty()) {
overlapViewColumnsToBe = Sets.newHashSetWithExpectedSize(addViewColumnsToBe.size());
}
nColumnsToSet--;
overlapViewColumnsToBe.add(column);
addViewColumnsToBe.remove(column);
}
columnIndexesToBe[i] = ref.getColumnPosition();
targetColumns.set(i, column);
if (SchemaUtil.isPKColumn(column)) {
pkColumnsSet.set(pkSlotIndexesToBe[i] = ref.getPKSlotPosition());
}
i++;
}
for (PColumn column : addViewColumnsToBe) {
columnIndexesToBe[i] = column.getPosition();
targetColumns.set(i, column);
if (SchemaUtil.isPKColumn(column)) {
pkColumnsSet.set(pkSlotIndexesToBe[i] = SchemaUtil.getPKPosition(table, column));
}
i++;
}
// If a table has rowtimestamp col, then we always set it.
useServerTimestampToBe = table.getRowTimestampColPos() != -1 && !isRowTimestampSet(pkSlotIndexesToBe, table);
if (useServerTimestampToBe) {
PColumn rowTimestampCol = table.getPKColumns().get(table.getRowTimestampColPos());
// Need to resize columnIndexesToBe and pkSlotIndexesToBe to include this extra column.
columnIndexesToBe = Arrays.copyOf(columnIndexesToBe, columnIndexesToBe.length + 1);
pkSlotIndexesToBe = Arrays.copyOf(pkSlotIndexesToBe, pkSlotIndexesToBe.length + 1);
columnIndexesToBe[i] = rowTimestampCol.getPosition();
pkColumnsSet.set(pkSlotIndexesToBe[i] = table.getRowTimestampColPos());
targetColumns.add(rowTimestampCol);
if (valueNodes != null && !valueNodes.isEmpty()) {
valueNodes.add(getNodeForRowTimestampColumn(rowTimestampCol));
}
nColumnsToSet++;
}
for (i = posOffset; i < table.getPKColumns().size(); i++) {
PColumn pkCol = table.getPKColumns().get(i);
if (!pkColumnsSet.get(i)) {
if (!pkCol.isNullable() && pkCol.getExpressionStr() == null) {
throw new ConstraintViolationException(table.getName().getString() + "." + pkCol.getName().getString() + " may not be null");
}
}
}
}
boolean isAutoCommit = connection.getAutoCommit();
if (valueNodes == null) {
SelectStatement select = upsert.getSelect();
assert (select != null);
select = SubselectRewriter.flatten(select, connection);
ColumnResolver selectResolver = FromCompiler.getResolverForQuery(select, connection, false, upsert.getTable().getName());
select = StatementNormalizer.normalize(select, selectResolver);
select = prependTenantAndViewConstants(table, select, tenantIdStr, addViewColumnsToBe, useServerTimestampToBe);
SelectStatement transformedSelect = SubqueryRewriter.transform(select, selectResolver, connection);
if (transformedSelect != select) {
selectResolver = FromCompiler.getResolverForQuery(transformedSelect, connection, false, upsert.getTable().getName());
select = StatementNormalizer.normalize(transformedSelect, selectResolver);
}
sameTable = !select.isJoin() && tableRefToBe.equals(selectResolver.getTables().get(0));
tableRefToBe = adjustTimestampToMinOfSameTable(tableRefToBe, selectResolver.getTables());
/* We can run the upsert in a coprocessor if:
* 1) from has only 1 table or server UPSERT SELECT is enabled
* 2) the select query isn't doing aggregation (which requires a client-side final merge)
* 3) autoCommit is on
* 4) the table is not immutable with indexes, as the client is the one that figures out the additional
* puts for index tables.
* 5) no limit clause, as the limit clause requires client-side post processing
* 6) no sequences, as sequences imply that the order of upsert must match the order of
* selection. TODO: change this and only force client side if there's a ORDER BY on the sequence value
* Otherwise, run the query to pull the data from the server
* and populate the MutationState (upto a limit).
*/
if (!(select.isAggregate() || select.isDistinct() || select.getLimit() != null || select.hasSequence())) {
// We can pipeline the upsert select instead of spooling everything to disk first,
// if we don't have any post processing that's required.
parallelIteratorFactoryToBe = new UpsertingParallelIteratorFactory(connection, tableRefToBe, useServerTimestampToBe);
// If we're in the else, then it's not an aggregate, distinct, limited, or sequence using query,
// so we might be able to run it entirely on the server side.
// region space managed by region servers. So we bail out on executing on server side.
runOnServer = (sameTable || serverUpsertSelectEnabled) && isAutoCommit && !table.isTransactional() && !(table.isImmutableRows() && !table.getIndexes().isEmpty()) && !select.isJoin() && table.getRowTimestampColPos() == -1;
}
// If we may be able to run on the server, add a hint that favors using the data table
// if all else is equal.
// TODO: it'd be nice if we could figure out in advance if the PK is potentially changing,
// as this would disallow running on the server. We currently use the row projector we
// get back to figure this out.
HintNode hint = upsert.getHint();
if (!upsert.getHint().hasHint(Hint.USE_INDEX_OVER_DATA_TABLE)) {
hint = HintNode.create(hint, Hint.USE_DATA_OVER_INDEX_TABLE);
}
select = SelectStatement.create(select, hint);
// Use optimizer to choose the best plan
try {
QueryCompiler compiler = new QueryCompiler(statement, select, selectResolver, targetColumns, parallelIteratorFactoryToBe, new SequenceManager(statement), false);
queryPlanToBe = compiler.compile();
// steps and parallelIteratorFactory did not take effect.
if (queryPlanToBe.getTableRef().getTable().getType() == PTableType.PROJECTED || queryPlanToBe.getTableRef().getTable().getType() == PTableType.SUBQUERY) {
parallelIteratorFactoryToBe = null;
}
} catch (MetaDataEntityNotFoundException e) {
// don't retry if select clause has meta data entities that aren't found, as we already updated the cache
retryOnce = false;
throw e;
}
nValuesToSet = queryPlanToBe.getProjector().getColumnCount();
// Cannot auto commit if doing aggregation or topN or salted
// Salted causes problems because the row may end up living on a different region
} else {
nValuesToSet = valueNodes.size() + addViewColumnsToBe.size() + (isTenantSpecific ? 1 : 0) + (isSharedViewIndex ? 1 : 0);
}
// Resize down to allow a subset of columns to be specifiable
if (columnNodes.isEmpty() && columnIndexesToBe.length >= nValuesToSet) {
nColumnsToSet = nValuesToSet;
columnIndexesToBe = Arrays.copyOf(columnIndexesToBe, nValuesToSet);
pkSlotIndexesToBe = Arrays.copyOf(pkSlotIndexesToBe, nValuesToSet);
}
if (nValuesToSet != nColumnsToSet) {
// been removed and the added back and we wouldn't detect that here.
throw new UpsertColumnsValuesMismatchException(schemaName, tableName, "Numbers of columns: " + nColumnsToSet + ". Number of values: " + nValuesToSet);
}
final QueryPlan originalQueryPlan = queryPlanToBe;
RowProjector projectorToBe = null;
// Optimize only after all checks have been performed
if (valueNodes == null) {
queryPlanToBe = new QueryOptimizer(services).optimize(queryPlanToBe, statement, targetColumns, parallelIteratorFactoryToBe);
projectorToBe = queryPlanToBe.getProjector();
}
final List<PColumn> allColumns = allColumnsToBe;
final RowProjector projector = projectorToBe;
final QueryPlan queryPlan = queryPlanToBe;
final TableRef tableRef = tableRefToBe;
final Set<PColumn> addViewColumns = addViewColumnsToBe;
final Set<PColumn> overlapViewColumns = overlapViewColumnsToBe;
final UpsertingParallelIteratorFactory parallelIteratorFactory = parallelIteratorFactoryToBe;
final int[] columnIndexes = columnIndexesToBe;
final int[] pkSlotIndexes = pkSlotIndexesToBe;
final boolean useServerTimestamp = useServerTimestampToBe;
if (table.getRowTimestampColPos() == -1 && useServerTimestamp) {
throw new IllegalStateException("For a table without row timestamp column, useServerTimestamp cannot be true");
}
/////////////////////////////////////////////////////////////////////
if (valueNodes == null) {
// Before we re-order, check that for updatable view columns
// the projected expression either matches the column name or
// is a constant with the same required value.
throwIfNotUpdatable(tableRef, overlapViewColumnsToBe, targetColumns, projector, sameTable);
/////////////////////////////////////////////////////////////////////
if (runOnServer) {
// At most this array will grow bigger by the number of PK columns
int[] allColumnsIndexes = Arrays.copyOf(columnIndexes, columnIndexes.length + nValuesToSet);
int[] reverseColumnIndexes = new int[table.getColumns().size()];
List<Expression> projectedExpressions = Lists.newArrayListWithExpectedSize(reverseColumnIndexes.length);
Arrays.fill(reverseColumnIndexes, -1);
for (int i = 0; i < nValuesToSet; i++) {
projectedExpressions.add(projector.getColumnProjector(i).getExpression());
reverseColumnIndexes[columnIndexes[i]] = i;
}
/*
* Order projected columns and projected expressions with PK columns
* leading order by slot position
*/
int offset = table.getBucketNum() == null ? 0 : 1;
for (int i = 0; i < table.getPKColumns().size() - offset; i++) {
PColumn column = table.getPKColumns().get(i + offset);
int pos = reverseColumnIndexes[column.getPosition()];
if (pos == -1) {
// it's not valid to set a fixed width type to null.
if (column.getDataType().isFixedWidth()) {
continue;
}
// Add literal null for missing PK columns
pos = projectedExpressions.size();
Expression literalNull = LiteralExpression.newConstant(null, column.getDataType(), Determinism.ALWAYS);
projectedExpressions.add(literalNull);
allColumnsIndexes[pos] = column.getPosition();
}
// Swap select expression at pos with i
Collections.swap(projectedExpressions, i, pos);
// Swap column indexes and reverse column indexes too
int tempPos = allColumnsIndexes[i];
allColumnsIndexes[i] = allColumnsIndexes[pos];
allColumnsIndexes[pos] = tempPos;
reverseColumnIndexes[tempPos] = pos;
reverseColumnIndexes[i] = i;
}
// If any pk slots are changing and server side UPSERT SELECT is disabled, do not run on server
if (!serverUpsertSelectEnabled && ExpressionUtil.isPkPositionChanging(new TableRef(table), projectedExpressions)) {
runOnServer = false;
}
/////////////////////////////////////////////////////////////////////
if (runOnServer) {
// Iterate through columns being projected
List<PColumn> projectedColumns = Lists.newArrayListWithExpectedSize(projectedExpressions.size());
int posOff = table.getBucketNum() != null ? 1 : 0;
for (int i = 0; i < projectedExpressions.size(); i++) {
// Must make new column if position has changed
PColumn column = allColumns.get(allColumnsIndexes[i]);
projectedColumns.add(column.getPosition() == i + posOff ? column : new PColumnImpl(column, i + posOff));
}
// Build table from projectedColumns
// Hack to add default column family to be used on server in case no value column is projected.
PTable projectedTable = PTableImpl.makePTable(table, projectedColumns, PNameFactory.newName(SchemaUtil.getEmptyColumnFamily(table)));
SelectStatement select = SelectStatement.create(SelectStatement.COUNT_ONE, upsert.getHint());
StatementContext statementContext = queryPlan.getContext();
RowProjector aggProjectorToBe = ProjectionCompiler.compile(statementContext, select, GroupBy.EMPTY_GROUP_BY);
statementContext.getAggregationManager().compile(queryPlan.getContext(), GroupBy.EMPTY_GROUP_BY);
if (queryPlan.getProjector().projectEveryRow()) {
aggProjectorToBe = new RowProjector(aggProjectorToBe, true);
}
final RowProjector aggProjector = aggProjectorToBe;
/*
* Transfer over PTable representing subset of columns selected, but all PK columns.
* Move columns setting PK first in pkSlot order, adding LiteralExpression of null for any missing ones.
* Transfer over List<Expression> for projection.
* In region scan, evaluate expressions in order, collecting first n columns for PK and collection non PK in mutation Map
* Create the PRow and get the mutations, adding them to the batch
*/
final StatementContext context = queryPlan.getContext();
final Scan scan = context.getScan();
// Propagate IGNORE_NEWER_MUTATIONS when replaying mutations since there will be
// future dated data row mutations that will get in the way of generating the
// correct index rows on replay.
scan.setAttribute(BaseScannerRegionObserver.IGNORE_NEWER_MUTATIONS, PDataType.TRUE_BYTES);
scan.setAttribute(BaseScannerRegionObserver.UPSERT_SELECT_TABLE, UngroupedAggregateRegionObserver.serialize(projectedTable));
scan.setAttribute(BaseScannerRegionObserver.UPSERT_SELECT_EXPRS, UngroupedAggregateRegionObserver.serialize(projectedExpressions));
// Ignore order by - it has no impact
final QueryPlan aggPlan = new AggregatePlan(context, select, statementContext.getCurrentTable(), aggProjector, null, null, OrderBy.EMPTY_ORDER_BY, null, GroupBy.EMPTY_GROUP_BY, null);
return new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return queryPlan.getContext().getBindManager().getParameterMetaData();
}
@Override
public StatementContext getContext() {
return queryPlan.getContext();
}
@Override
public TableRef getTargetRef() {
return tableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
return originalQueryPlan.getSourceRefs();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public MutationState execute() throws SQLException {
ImmutableBytesWritable ptr = context.getTempPtr();
PTable table = tableRef.getTable();
table.getIndexMaintainers(ptr, context.getConnection());
byte[] txState = table.isTransactional() ? connection.getMutationState().encodeTransaction() : ByteUtil.EMPTY_BYTE_ARRAY;
if (ptr.getLength() > 0) {
byte[] uuidValue = ServerCacheClient.generateId();
scan.setAttribute(PhoenixIndexCodec.INDEX_UUID, uuidValue);
scan.setAttribute(PhoenixIndexCodec.INDEX_PROTO_MD, ptr.get());
scan.setAttribute(BaseScannerRegionObserver.TX_STATE, txState);
}
ResultIterator iterator = aggPlan.iterator();
try {
Tuple row = iterator.next();
final long mutationCount = (Long) aggProjector.getColumnProjector(0).getValue(row, PLong.INSTANCE, ptr);
for (PTable index : getNewIndexes(table)) {
new MetaDataClient(connection).buildIndex(index, tableRef, scan.getTimeRange().getMax(), scan.getTimeRange().getMax() + 1);
}
return new MutationState(maxSize, maxSizeBytes, connection) {
@Override
public long getUpdateCount() {
return mutationCount;
}
};
} finally {
iterator.close();
}
}
private List<PTable> getNewIndexes(PTable table) throws SQLException {
List<PTable> indexes = table.getIndexes();
List<PTable> newIndexes = new ArrayList<PTable>(2);
PTable newTable = PhoenixRuntime.getTableNoCache(connection, table.getName().getString());
for (PTable index : newTable.getIndexes()) {
if (!indexes.contains(index)) {
newIndexes.add(index);
}
}
return newIndexes;
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
List<String> queryPlanSteps = aggPlan.getExplainPlan().getPlanSteps();
List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size() + 1);
planSteps.add("UPSERT ROWS");
planSteps.addAll(queryPlanSteps);
return new ExplainPlan(planSteps);
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return aggPlan.getEstimatedRowsToScan();
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return aggPlan.getEstimatedBytesToScan();
}
};
}
}
/////////////////////////////////////////////////////////////////////
return new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return queryPlan.getContext().getBindManager().getParameterMetaData();
}
@Override
public StatementContext getContext() {
return queryPlan.getContext();
}
@Override
public TableRef getTargetRef() {
return tableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
return originalQueryPlan.getSourceRefs();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public MutationState execute() throws SQLException {
ResultIterator iterator = queryPlan.iterator();
if (parallelIteratorFactory == null) {
return upsertSelect(new StatementContext(statement), tableRef, projector, iterator, columnIndexes, pkSlotIndexes, useServerTimestamp, false);
}
try {
parallelIteratorFactory.setRowProjector(projector);
parallelIteratorFactory.setColumnIndexes(columnIndexes);
parallelIteratorFactory.setPkSlotIndexes(pkSlotIndexes);
Tuple tuple;
long totalRowCount = 0;
StatementContext context = queryPlan.getContext();
while ((tuple = iterator.next()) != null) {
// Runs query
Cell kv = tuple.getValue(0);
totalRowCount += PLong.INSTANCE.getCodec().decodeLong(kv.getValueArray(), kv.getValueOffset(), SortOrder.getDefault());
}
// Return total number of rows that have been updated. In the case of auto commit being off
// the mutations will all be in the mutation state of the current connection.
MutationState mutationState = new MutationState(maxSize, maxSizeBytes, statement.getConnection(), totalRowCount);
/*
* All the metrics collected for measuring the reads done by the parallel mutating iterators
* is included in the ReadMetricHolder of the statement context. Include these metrics in the
* returned mutation state so they can be published on commit.
*/
mutationState.setReadMetricQueue(context.getReadMetricsQueue());
return mutationState;
} finally {
iterator.close();
}
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
List<String> queryPlanSteps = queryPlan.getExplainPlan().getPlanSteps();
List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size() + 1);
planSteps.add("UPSERT SELECT");
planSteps.addAll(queryPlanSteps);
return new ExplainPlan(planSteps);
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return queryPlan.getEstimatedRowsToScan();
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return queryPlan.getEstimatedBytesToScan();
}
};
}
////////////////////////////////////////////////////////////////////
// UPSERT VALUES
/////////////////////////////////////////////////////////////////////
final byte[][] values = new byte[nValuesToSet][];
int nodeIndex = 0;
if (isSharedViewIndex) {
values[nodeIndex++] = MetaDataUtil.getViewIndexIdDataType().toBytes(table.getViewIndexId());
}
if (isTenantSpecific) {
PName tenantId = connection.getTenantId();
values[nodeIndex++] = ScanUtil.getTenantIdBytes(table.getRowKeySchema(), table.getBucketNum() != null, tenantId, isSharedViewIndex);
}
final int nodeIndexOffset = nodeIndex;
// Allocate array based on size of all columns in table,
// since some values may not be set (if they're nullable).
final StatementContext context = new StatementContext(statement, resolver, new Scan(), new SequenceManager(statement));
UpsertValuesCompiler expressionBuilder = new UpsertValuesCompiler(context);
final List<Expression> constantExpressions = Lists.newArrayListWithExpectedSize(valueNodes.size());
// and initialize them in one batch
for (ParseNode valueNode : valueNodes) {
if (!valueNode.isStateless()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.VALUE_IN_UPSERT_NOT_CONSTANT).build().buildException();
}
PColumn column = allColumns.get(columnIndexes[nodeIndex]);
expressionBuilder.setColumn(column);
Expression expression = valueNode.accept(expressionBuilder);
if (expression.getDataType() != null && !expression.getDataType().isCastableTo(column.getDataType())) {
throw TypeMismatchException.newException(expression.getDataType(), column.getDataType(), "expression: " + expression.toString() + " in column " + column);
}
constantExpressions.add(expression);
nodeIndex++;
}
byte[] onDupKeyBytesToBe = null;
List<Pair<ColumnName, ParseNode>> onDupKeyPairs = upsert.getOnDupKeyPairs();
if (onDupKeyPairs != null) {
if (table.isImmutableRows()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_USE_ON_DUP_KEY_FOR_IMMUTABLE).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).build().buildException();
}
if (table.isTransactional()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_USE_ON_DUP_KEY_FOR_TRANSACTIONAL).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).build().buildException();
}
if (connection.getSCN() != null) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_SET_SCN_IN_ON_DUP_KEY).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).build().buildException();
}
if (onDupKeyPairs.isEmpty()) {
// ON DUPLICATE KEY IGNORE
onDupKeyBytesToBe = PhoenixIndexBuilder.serializeOnDupKeyIgnore();
} else {
// ON DUPLICATE KEY UPDATE
int position = 1;
UpdateColumnCompiler compiler = new UpdateColumnCompiler(context);
int nColumns = onDupKeyPairs.size();
List<Expression> updateExpressions = Lists.newArrayListWithExpectedSize(nColumns);
LinkedHashSet<PColumn> updateColumns = Sets.newLinkedHashSetWithExpectedSize(nColumns + 1);
updateColumns.add(new PColumnImpl(// Use first PK column name as we know it won't conflict with others
table.getPKColumns().get(0).getName(), null, PVarbinary.INSTANCE, null, null, false, 0, SortOrder.getDefault(), 0, null, false, null, false, false, null));
for (Pair<ColumnName, ParseNode> columnPair : onDupKeyPairs) {
ColumnName colName = columnPair.getFirst();
PColumn updateColumn = resolver.resolveColumn(null, colName.getFamilyName(), colName.getColumnName()).getColumn();
if (SchemaUtil.isPKColumn(updateColumn)) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_UPDATE_PK_ON_DUP_KEY).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).setColumnName(updateColumn.getName().getString()).build().buildException();
}
final int columnPosition = position++;
if (!updateColumns.add(new DelegateColumn(updateColumn) {
@Override
public int getPosition() {
return columnPosition;
}
})) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.DUPLICATE_COLUMN_IN_ON_DUP_KEY).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).setColumnName(updateColumn.getName().getString()).build().buildException();
}
;
ParseNode updateNode = columnPair.getSecond();
compiler.setColumn(updateColumn);
Expression updateExpression = updateNode.accept(compiler);
// Check that updateExpression is coercible to updateColumn
if (updateExpression.getDataType() != null && !updateExpression.getDataType().isCastableTo(updateColumn.getDataType())) {
throw TypeMismatchException.newException(updateExpression.getDataType(), updateColumn.getDataType(), "expression: " + updateExpression.toString() + " for column " + updateColumn);
}
if (compiler.isAggregate()) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.AGGREGATION_NOT_ALLOWED_IN_ON_DUP_KEY).setSchemaName(table.getSchemaName().getString()).setTableName(table.getTableName().getString()).setColumnName(updateColumn.getName().getString()).build().buildException();
}
updateExpressions.add(updateExpression);
}
PTable onDupKeyTable = PTableImpl.makePTable(table, updateColumns);
onDupKeyBytesToBe = PhoenixIndexBuilder.serializeOnDupKeyUpdate(onDupKeyTable, updateExpressions);
}
}
final byte[] onDupKeyBytes = onDupKeyBytesToBe;
return new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return context.getBindManager().getParameterMetaData();
}
@Override
public StatementContext getContext() {
return context;
}
@Override
public TableRef getTargetRef() {
return tableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
return Collections.emptySet();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public MutationState execute() throws SQLException {
ImmutableBytesWritable ptr = context.getTempPtr();
final SequenceManager sequenceManager = context.getSequenceManager();
// Next evaluate all the expressions
int nodeIndex = nodeIndexOffset;
PTable table = tableRef.getTable();
Tuple tuple = sequenceManager.getSequenceCount() == 0 ? null : sequenceManager.newSequenceTuple(null);
for (Expression constantExpression : constantExpressions) {
PColumn column = allColumns.get(columnIndexes[nodeIndex]);
constantExpression.evaluate(tuple, ptr);
Object value = null;
if (constantExpression.getDataType() != null) {
value = constantExpression.getDataType().toObject(ptr, constantExpression.getSortOrder(), constantExpression.getMaxLength(), constantExpression.getScale());
if (!constantExpression.getDataType().isCoercibleTo(column.getDataType(), value)) {
throw TypeMismatchException.newException(constantExpression.getDataType(), column.getDataType(), "expression: " + constantExpression.toString() + " in column " + column);
}
if (!column.getDataType().isSizeCompatible(ptr, value, constantExpression.getDataType(), constantExpression.getSortOrder(), constantExpression.getMaxLength(), constantExpression.getScale(), column.getMaxLength(), column.getScale())) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.DATA_EXCEEDS_MAX_CAPACITY).setColumnName(column.getName().getString()).setMessage("value=" + constantExpression.toString()).build().buildException();
}
}
column.getDataType().coerceBytes(ptr, value, constantExpression.getDataType(), constantExpression.getMaxLength(), constantExpression.getScale(), constantExpression.getSortOrder(), column.getMaxLength(), column.getScale(), column.getSortOrder(), table.rowKeyOrderOptimizable());
if (overlapViewColumns.contains(column) && Bytes.compareTo(ptr.get(), ptr.getOffset(), ptr.getLength(), column.getViewConstant(), 0, column.getViewConstant().length - 1) != 0) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_UPDATE_VIEW_COLUMN).setColumnName(column.getName().getString()).setMessage("value=" + constantExpression.toString()).build().buildException();
}
values[nodeIndex] = ByteUtil.copyKeyBytesIfNecessary(ptr);
nodeIndex++;
}
// Add columns based on view
for (PColumn column : addViewColumns) {
if (IndexUtil.getViewConstantValue(column, ptr)) {
values[nodeIndex++] = ByteUtil.copyKeyBytesIfNecessary(ptr);
} else {
throw new IllegalStateException();
}
}
Map<ImmutableBytesPtr, RowMutationState> mutation = Maps.newHashMapWithExpectedSize(1);
IndexMaintainer indexMaintainer = null;
byte[][] viewConstants = null;
if (table.getIndexType() == IndexType.LOCAL) {
PTable parentTable = statement.getConnection().getMetaDataCache().getTableRef(new PTableKey(statement.getConnection().getTenantId(), table.getParentName().getString())).getTable();
indexMaintainer = table.getIndexMaintainer(parentTable, connection);
viewConstants = IndexUtil.getViewConstants(parentTable);
}
setValues(values, pkSlotIndexes, columnIndexes, table, mutation, statement, useServerTimestamp, indexMaintainer, viewConstants, onDupKeyBytes, 0);
return new MutationState(tableRef, mutation, 0, maxSize, maxSizeBytes, connection);
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
List<String> planSteps = Lists.newArrayListWithExpectedSize(2);
if (context.getSequenceManager().getSequenceCount() > 0) {
planSteps.add("CLIENT RESERVE " + context.getSequenceManager().getSequenceCount() + " SEQUENCES");
}
planSteps.add("PUT SINGLE ROW");
return new ExplainPlan(planSteps);
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return 0l;
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return 0l;
}
};
}
use of org.apache.phoenix.schema.MetaDataEntityNotFoundException in project phoenix by apache.
the class DeleteCompiler method compile.
public MutationPlan compile(DeleteStatement delete) throws SQLException {
final PhoenixConnection connection = statement.getConnection();
final boolean isAutoCommit = connection.getAutoCommit();
final boolean hasLimit = delete.getLimit() != null;
final ConnectionQueryServices services = connection.getQueryServices();
List<QueryPlan> queryPlans;
NamedTableNode tableNode = delete.getTable();
String tableName = tableNode.getName().getTableName();
String schemaName = tableNode.getName().getSchemaName();
boolean retryOnce = !isAutoCommit;
TableRef tableRefToBe;
boolean noQueryReqd = false;
boolean runOnServer = false;
SelectStatement select = null;
ColumnResolver resolverToBe = null;
Map<PTableKey, PTable> immutableIndex = Collections.emptyMap();
DeletingParallelIteratorFactory parallelIteratorFactory;
QueryPlan dataPlanToBe = null;
while (true) {
try {
resolverToBe = FromCompiler.getResolverForMutation(delete, connection);
tableRefToBe = resolverToBe.getTables().get(0);
PTable table = tableRefToBe.getTable();
// TODO: SchemaUtil.isReadOnly(PTable, connection)?
if (table.getType() == PTableType.VIEW && table.getViewType().isReadOnly()) {
throw new ReadOnlyTableException(schemaName, tableName);
} else if (table.isTransactional() && connection.getSCN() != null) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.CANNOT_SPECIFY_SCN_FOR_TXN_TABLE).setSchemaName(schemaName).setTableName(tableName).build().buildException();
}
immutableIndex = getNonDisabledImmutableIndexes(tableRefToBe);
boolean mayHaveImmutableIndexes = !immutableIndex.isEmpty();
noQueryReqd = !hasLimit;
// Can't run on same server for transactional data, as we need the row keys for the data
// that is being upserted for conflict detection purposes.
runOnServer = isAutoCommit && noQueryReqd && !table.isTransactional();
HintNode hint = delete.getHint();
if (runOnServer && !delete.getHint().hasHint(Hint.USE_INDEX_OVER_DATA_TABLE)) {
hint = HintNode.create(hint, Hint.USE_DATA_OVER_INDEX_TABLE);
}
List<AliasedNode> aliasedNodes = Lists.newArrayListWithExpectedSize(table.getPKColumns().size());
boolean isSalted = table.getBucketNum() != null;
boolean isMultiTenant = connection.getTenantId() != null && table.isMultiTenant();
boolean isSharedViewIndex = table.getViewIndexId() != null;
for (int i = (isSalted ? 1 : 0) + (isMultiTenant ? 1 : 0) + (isSharedViewIndex ? 1 : 0); i < table.getPKColumns().size(); i++) {
PColumn column = table.getPKColumns().get(i);
aliasedNodes.add(FACTORY.aliasedNode(null, FACTORY.column(null, '"' + column.getName().getString() + '"', null)));
}
select = FACTORY.select(delete.getTable(), hint, false, aliasedNodes, delete.getWhere(), Collections.<ParseNode>emptyList(), null, delete.getOrderBy(), delete.getLimit(), null, delete.getBindCount(), false, false, Collections.<SelectStatement>emptyList(), delete.getUdfParseNodes());
select = StatementNormalizer.normalize(select, resolverToBe);
SelectStatement transformedSelect = SubqueryRewriter.transform(select, resolverToBe, connection);
if (transformedSelect != select) {
resolverToBe = FromCompiler.getResolverForQuery(transformedSelect, connection, false, delete.getTable().getName());
select = StatementNormalizer.normalize(transformedSelect, resolverToBe);
}
parallelIteratorFactory = hasLimit ? null : new DeletingParallelIteratorFactory(connection);
QueryOptimizer optimizer = new QueryOptimizer(services);
QueryCompiler compiler = new QueryCompiler(statement, select, resolverToBe, Collections.<PColumn>emptyList(), parallelIteratorFactory, new SequenceManager(statement));
dataPlanToBe = compiler.compile();
queryPlans = Lists.newArrayList(mayHaveImmutableIndexes ? optimizer.getApplicablePlans(dataPlanToBe, statement, select, resolverToBe, Collections.<PColumn>emptyList(), parallelIteratorFactory) : optimizer.getBestPlan(dataPlanToBe, statement, select, resolverToBe, Collections.<PColumn>emptyList(), parallelIteratorFactory));
if (mayHaveImmutableIndexes) {
// FIXME: this is ugly
// Lookup the table being deleted from in the cache, as it's possible that the
// optimizer updated the cache if it found indexes that were out of date.
// If the index was marked as disabled, it should not be in the list
// of immutable indexes.
table = connection.getTable(new PTableKey(table.getTenantId(), table.getName().getString()));
tableRefToBe.setTable(table);
immutableIndex = getNonDisabledImmutableIndexes(tableRefToBe);
}
} catch (MetaDataEntityNotFoundException e) {
// Otherwise throw, as we'll just get the same error next time.
if (retryOnce) {
retryOnce = false;
MetaDataMutationResult result = new MetaDataClient(connection).updateCache(schemaName, tableName);
if (result.wasUpdated()) {
continue;
}
}
throw e;
}
break;
}
boolean isBuildingImmutable = false;
final boolean hasImmutableIndexes = !immutableIndex.isEmpty();
if (hasImmutableIndexes) {
for (PTable index : immutableIndex.values()) {
if (index.getIndexState() == PIndexState.BUILDING) {
isBuildingImmutable = true;
break;
}
}
}
final QueryPlan dataPlan = dataPlanToBe;
// tableRefs is parallel with queryPlans
TableRef[] tableRefs = new TableRef[hasImmutableIndexes ? immutableIndex.size() : 1];
if (hasImmutableIndexes) {
int i = 0;
Iterator<QueryPlan> plans = queryPlans.iterator();
while (plans.hasNext()) {
QueryPlan plan = plans.next();
PTable table = plan.getTableRef().getTable();
if (table.getType() == PTableType.INDEX) {
// index plans
tableRefs[i++] = plan.getTableRef();
immutableIndex.remove(table.getKey());
} else if (!isBuildingImmutable) {
// data plan
/*
* If we have immutable indexes that we need to maintain, don't execute the data plan
* as we can save a query by piggy-backing on any of the other index queries, since the
* PK columns that we need are always in each index row.
*/
plans.remove();
}
}
/*
* If we have any immutable indexes remaining, then that means that the plan for that index got filtered out
* because it could not be executed. This would occur if a column in the where clause is not found in the
* immutable index.
*/
if (!immutableIndex.isEmpty()) {
Collection<PTable> immutableIndexes = immutableIndex.values();
if (!isBuildingImmutable || hasNonPKIndexedColumns(immutableIndexes)) {
throw new SQLExceptionInfo.Builder(SQLExceptionCode.INVALID_FILTER_ON_IMMUTABLE_ROWS).setSchemaName(tableRefToBe.getTable().getSchemaName().getString()).setTableName(tableRefToBe.getTable().getTableName().getString()).build().buildException();
}
runOnServer = false;
}
}
List<TableRef> buildingImmutableIndexes = Lists.newArrayListWithExpectedSize(immutableIndex.values().size());
for (PTable index : immutableIndex.values()) {
buildingImmutableIndexes.add(new TableRef(index, dataPlan.getTableRef().getTimeStamp(), dataPlan.getTableRef().getLowerBoundTimeStamp()));
}
// Make sure the first plan is targeting deletion from the data table
// In the case of an immutable index, we'll also delete from the index.
final TableRef dataTableRef = tableRefs[0] = tableRefToBe;
/*
* Create a mutationPlan for each queryPlan. One plan will be for the deletion of the rows
* from the data table, while the others will be for deleting rows from immutable indexes.
*/
List<MutationPlan> mutationPlans = Lists.newArrayListWithExpectedSize(tableRefs.length);
for (int i = 0; i < tableRefs.length; i++) {
final TableRef tableRef = tableRefs[i];
final QueryPlan plan = queryPlans.get(i);
if (!plan.getTableRef().equals(tableRef) || !(plan instanceof BaseQueryPlan)) {
runOnServer = false;
// FIXME: why set this to false in this case?
noQueryReqd = false;
}
final int maxSize = services.getProps().getInt(QueryServices.MAX_MUTATION_SIZE_ATTRIB, QueryServicesOptions.DEFAULT_MAX_MUTATION_SIZE);
final int maxSizeBytes = services.getProps().getInt(QueryServices.MAX_MUTATION_SIZE_BYTES_ATTRIB, QueryServicesOptions.DEFAULT_MAX_MUTATION_SIZE_BYTES);
final StatementContext context = plan.getContext();
// may have been optimized out. Instead, we check that there's a single SkipScanFilter
if (noQueryReqd && (!context.getScan().hasFilter() || context.getScan().getFilter() instanceof SkipScanFilter) && context.getScanRanges().isPointLookup()) {
mutationPlans.add(new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return context.getBindManager().getParameterMetaData();
}
@Override
public MutationState execute() throws SQLException {
// We have a point lookup, so we know we have a simple set of fully qualified
// keys for our ranges
ScanRanges ranges = context.getScanRanges();
Iterator<KeyRange> iterator = ranges.getPointLookupKeyIterator();
Map<ImmutableBytesPtr, RowMutationState> mutation = Maps.newHashMapWithExpectedSize(ranges.getPointLookupCount());
while (iterator.hasNext()) {
mutation.put(new ImmutableBytesPtr(iterator.next().getLowerRange()), new RowMutationState(PRow.DELETE_MARKER, statement.getConnection().getStatementExecutionCounter(), NULL_ROWTIMESTAMP_INFO, null));
}
return new MutationState(tableRef, mutation, 0, maxSize, maxSizeBytes, connection);
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
return new ExplainPlan(Collections.singletonList("DELETE SINGLE ROW"));
}
@Override
public StatementContext getContext() {
return context;
}
@Override
public TableRef getTargetRef() {
return dataTableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
// Don't include the target
return Collections.emptySet();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return 0l;
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return 0l;
}
});
} else if (runOnServer) {
// TODO: better abstraction
Scan scan = context.getScan();
// Propagate IGNORE_NEWER_MUTATIONS when replaying mutations since there will be
// future dated data row mutations that will get in the way of generating the
// correct index rows on replay.
scan.setAttribute(BaseScannerRegionObserver.IGNORE_NEWER_MUTATIONS, PDataType.TRUE_BYTES);
scan.setAttribute(BaseScannerRegionObserver.DELETE_AGG, QueryConstants.TRUE);
// Build an ungrouped aggregate query: select COUNT(*) from <table> where <where>
// The coprocessor will delete each row returned from the scan
// Ignoring ORDER BY, since with auto commit on and no limit makes no difference
SelectStatement aggSelect = SelectStatement.create(SelectStatement.COUNT_ONE, delete.getHint());
RowProjector projectorToBe = ProjectionCompiler.compile(context, aggSelect, GroupBy.EMPTY_GROUP_BY);
context.getAggregationManager().compile(context, GroupBy.EMPTY_GROUP_BY);
if (plan.getProjector().projectEveryRow()) {
projectorToBe = new RowProjector(projectorToBe, true);
}
final RowProjector projector = projectorToBe;
final QueryPlan aggPlan = new AggregatePlan(context, select, tableRef, projector, null, null, OrderBy.EMPTY_ORDER_BY, null, GroupBy.EMPTY_GROUP_BY, null);
mutationPlans.add(new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return context.getBindManager().getParameterMetaData();
}
@Override
public StatementContext getContext() {
return context;
}
@Override
public TableRef getTargetRef() {
return dataTableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
return dataPlan.getSourceRefs();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public MutationState execute() throws SQLException {
// TODO: share this block of code with UPSERT SELECT
ImmutableBytesWritable ptr = context.getTempPtr();
PTable table = tableRef.getTable();
table.getIndexMaintainers(ptr, context.getConnection());
byte[] txState = table.isTransactional() ? connection.getMutationState().encodeTransaction() : ByteUtil.EMPTY_BYTE_ARRAY;
ServerCache cache = null;
try {
if (ptr.getLength() > 0) {
byte[] uuidValue = ServerCacheClient.generateId();
context.getScan().setAttribute(PhoenixIndexCodec.INDEX_UUID, uuidValue);
context.getScan().setAttribute(PhoenixIndexCodec.INDEX_PROTO_MD, ptr.get());
context.getScan().setAttribute(BaseScannerRegionObserver.TX_STATE, txState);
}
ResultIterator iterator = aggPlan.iterator();
try {
Tuple row = iterator.next();
final long mutationCount = (Long) projector.getColumnProjector(0).getValue(row, PLong.INSTANCE, ptr);
return new MutationState(maxSize, maxSizeBytes, connection) {
@Override
public long getUpdateCount() {
return mutationCount;
}
};
} finally {
iterator.close();
}
} finally {
if (cache != null) {
cache.close();
}
}
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
List<String> queryPlanSteps = aggPlan.getExplainPlan().getPlanSteps();
List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size() + 1);
planSteps.add("DELETE ROWS");
planSteps.addAll(queryPlanSteps);
return new ExplainPlan(planSteps);
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return aggPlan.getEstimatedRowsToScan();
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return aggPlan.getEstimatedBytesToScan();
}
});
} else {
List<TableRef> immutableIndexRefsToBe = Lists.newArrayListWithExpectedSize(dataPlan.getTableRef().getTable().getIndexes().size());
if (!buildingImmutableIndexes.isEmpty()) {
immutableIndexRefsToBe = buildingImmutableIndexes;
} else if (hasImmutableIndexes && !plan.getTableRef().equals(tableRef)) {
immutableIndexRefsToBe = Collections.singletonList(plan.getTableRef());
}
final List<TableRef> immutableIndexRefs = immutableIndexRefsToBe;
final DeletingParallelIteratorFactory parallelIteratorFactory2 = parallelIteratorFactory;
mutationPlans.add(new MutationPlan() {
@Override
public ParameterMetaData getParameterMetaData() {
return context.getBindManager().getParameterMetaData();
}
@Override
public StatementContext getContext() {
return context;
}
@Override
public TableRef getTargetRef() {
return dataTableRef;
}
@Override
public Set<TableRef> getSourceRefs() {
return dataPlan.getSourceRefs();
}
@Override
public Operation getOperation() {
return operation;
}
@Override
public MutationState execute() throws SQLException {
ResultIterator iterator = plan.iterator();
try {
if (!hasLimit) {
Tuple tuple;
long totalRowCount = 0;
if (parallelIteratorFactory2 != null) {
parallelIteratorFactory2.setRowProjector(plan.getProjector());
parallelIteratorFactory2.setTargetTableRef(tableRef);
parallelIteratorFactory2.setSourceTableRef(plan.getTableRef());
parallelIteratorFactory2.setIndexTargetTableRefs(immutableIndexRefs);
}
while ((tuple = iterator.next()) != null) {
// Runs query
Cell kv = tuple.getValue(0);
totalRowCount += PLong.INSTANCE.getCodec().decodeLong(kv.getValueArray(), kv.getValueOffset(), SortOrder.getDefault());
}
// Return total number of rows that have been delete. In the case of auto commit being off
// the mutations will all be in the mutation state of the current connection.
MutationState state = new MutationState(maxSize, maxSizeBytes, connection, totalRowCount);
// set the read metrics accumulated in the parent context so that it can be published when the mutations are committed.
state.setReadMetricQueue(plan.getContext().getReadMetricsQueue());
return state;
} else {
return deleteRows(plan.getContext(), tableRef, immutableIndexRefs, iterator, plan.getProjector(), plan.getTableRef());
}
} finally {
iterator.close();
}
}
@Override
public ExplainPlan getExplainPlan() throws SQLException {
List<String> queryPlanSteps = plan.getExplainPlan().getPlanSteps();
List<String> planSteps = Lists.newArrayListWithExpectedSize(queryPlanSteps.size() + 1);
planSteps.add("DELETE ROWS");
planSteps.addAll(queryPlanSteps);
return new ExplainPlan(planSteps);
}
@Override
public Long getEstimatedRowsToScan() throws SQLException {
return plan.getEstimatedRowsToScan();
}
@Override
public Long getEstimatedBytesToScan() throws SQLException {
return plan.getEstimatedBytesToScan();
}
});
}
}
return mutationPlans.size() == 1 ? mutationPlans.get(0) : new MultiDeleteMutationPlan(mutationPlans);
}
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