use of org.teiid.core.TeiidProcessingException in project teiid by teiid.
the class ExecDynamicSqlInstruction method process.
/**
* <p>
* Processing this instruction executes the ProcessorPlan for the command on
* the CommandStatement of the update procedure language. Executing this
* plan does not effect the values of any of the variables defined as part
* of the update procedure and hence the results of the ProcessPlan
* execution need not be stored for further processing. The results are
* removed from the buffer manager immediately after execution. The program
* counter is incremented after execution of the plan.
* </p>
*
* @throws BlockedException
* if this processing the plan throws a currentVarContext
*/
public void process(ProcedurePlan procEnv) throws BlockedException, TeiidComponentException, TeiidProcessingException {
VariableContext localContext = procEnv.getCurrentVariableContext();
String query = null;
try {
Clob value = (Clob) procEnv.evaluateExpression(dynamicCommand.getSql());
if (value == null) {
throw new QueryProcessingException(QueryPlugin.Util.getString(// $NON-NLS-1$
"ExecDynamicSqlInstruction.0"));
}
if (value.length() > MAX_SQL_LENGTH) {
throw new QueryProcessingException(QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31204, MAX_SQL_LENGTH));
}
query = value.getSubString(1, MAX_SQL_LENGTH);
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, // $NON-NLS-1$
new Object[] { "Executing dynamic sql ", query });
Command command = QueryParser.getQueryParser().parseCommand(query);
// special handling for dynamic anon blocks
if (command instanceof CreateProcedureCommand) {
if (dynamicCommand.getIntoGroup() != null || returnable) {
// and the creation of an inline view
throw new QueryProcessingException(QueryPlugin.Event.TEIID31250, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31250));
}
((CreateProcedureCommand) command).setResultSetColumns(Collections.EMPTY_LIST);
}
command.setExternalGroupContexts(dynamicCommand.getExternalGroupContexts());
command.setTemporaryMetadata(dynamicCommand.getTemporaryMetadata().clone());
updateContextWithUsingValues(procEnv, localContext);
TempMetadataStore metadataStore = command.getTemporaryMetadata();
if (dynamicCommand.getUsing() != null && !dynamicCommand.getUsing().isEmpty()) {
metadataStore.addTempGroup(Reserved.USING, new LinkedList<ElementSymbol>(dynamicCommand.getUsing().getClauseMap().keySet()));
GroupSymbol using = new GroupSymbol(Reserved.USING);
using.setMetadataID(metadataStore.getTempGroupID(Reserved.USING));
command.addExternalGroupToContext(using);
metadataStore.addTempGroup(ProcedureReservedWords.DVARS, new LinkedList<ElementSymbol>(dynamicCommand.getUsing().getClauseMap().keySet()));
using = new GroupSymbol(ProcedureReservedWords.DVARS);
using.setMetadataID(metadataStore.getTempGroupID(ProcedureReservedWords.DVARS));
command.addExternalGroupToContext(using);
}
QueryResolver.resolveCommand(command, metadata.getDesignTimeMetadata());
validateDynamicCommand(procEnv, command, value.toString());
// create a new set of variables including vars
Map<ElementSymbol, Expression> nameValueMap = createVariableValuesMap(localContext);
ValidationVisitor visitor = new ValidationVisitor();
Request.validateWithVisitor(visitor, metadata, command);
boolean insertInto = false;
boolean updateCommand = false;
if (!command.returnsResultSet() && !(command instanceof StoredProcedure)) {
if (dynamicCommand.isAsClauseSet()) {
if (dynamicCommand.getProjectedSymbols().size() != 1 || ((Expression) dynamicCommand.getProjectedSymbols().get(0)).getType() != DataTypeManager.DefaultDataClasses.INTEGER) {
throw new QueryProcessingException(QueryPlugin.Event.TEIID31157, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31157));
}
}
updateCommand = true;
} else if (dynamicCommand.getAsColumns() != null && !dynamicCommand.getAsColumns().isEmpty()) {
// $NON-NLS-1$
command = QueryRewriter.createInlineViewQuery(new GroupSymbol("X"), command, metadata, dynamicCommand.getAsColumns());
if (dynamicCommand.getIntoGroup() != null) {
Insert insert = new Insert(dynamicCommand.getIntoGroup(), dynamicCommand.getAsColumns(), Collections.emptyList());
insert.setQueryExpression((Query) command);
command = insert;
insertInto = true;
}
}
// if this is an update procedure, it could reassign variables
command = QueryRewriter.rewrite(command, metadata, procEnv.getContext(), command instanceof CreateProcedureCommand ? Collections.EMPTY_MAP : nameValueMap);
ProcessorPlan commandPlan = QueryOptimizer.optimizePlan(command, metadata, idGenerator, capFinder, AnalysisRecord.createNonRecordingRecord(), procEnv.getContext());
if (command instanceof CreateProcedureCommand && commandPlan instanceof ProcedurePlan) {
((ProcedurePlan) commandPlan).setValidateAccess(procEnv.isValidateAccess());
}
CreateCursorResultSetInstruction inst = new CreateCursorResultSetInstruction(null, commandPlan, (insertInto || updateCommand) ? Mode.UPDATE : returnable ? Mode.HOLD : Mode.NOHOLD) {
@Override
public void process(ProcedurePlan procEnv) throws BlockedException, TeiidComponentException, TeiidProcessingException {
boolean done = true;
try {
super.process(procEnv);
} catch (BlockedException e) {
done = false;
throw e;
} finally {
if (done) {
procEnv.getContext().popCall();
}
}
}
};
dynamicProgram = new Program(false);
dynamicProgram.addInstruction(inst);
if (dynamicCommand.getIntoGroup() != null) {
String groupName = dynamicCommand.getIntoGroup().getName();
if (!procEnv.getTempTableStore().hasTempTable(groupName, true)) {
// create the temp table in the parent scope
Create create = new Create();
create.setTable(new GroupSymbol(groupName));
for (ElementSymbol es : (List<ElementSymbol>) dynamicCommand.getAsColumns()) {
Column c = new Column();
c.setName(es.getShortName());
c.setRuntimeType(DataTypeManager.getDataTypeName(es.getType()));
create.getColumns().add(c);
}
procEnv.getDataManager().registerRequest(procEnv.getContext(), create, TempMetadataAdapter.TEMP_MODEL.getName(), new RegisterRequestParameter());
}
// backwards compatibility to support into with a rowcount
if (updateCommand) {
Insert insert = new Insert();
insert.setGroup(new GroupSymbol(groupName));
for (ElementSymbol es : (List<ElementSymbol>) dynamicCommand.getAsColumns()) {
ElementSymbol col = new ElementSymbol(es.getShortName(), insert.getGroup());
col.setType(es.getType());
insert.addVariable(col);
}
insert.addValue(new Constant(procEnv.getCurrentVariableContext().getValue(ProcedurePlan.ROWCOUNT)));
QueryResolver.resolveCommand(insert, metadata.getDesignTimeMetadata());
TupleSource ts = procEnv.getDataManager().registerRequest(procEnv.getContext(), insert, TempMetadataAdapter.TEMP_MODEL.getName(), new RegisterRequestParameter());
ts.nextTuple();
ts.closeSource();
}
}
// Add group to recursion stack
if (parentProcCommand.getUpdateType() != Command.TYPE_UNKNOWN) {
// $NON-NLS-1$
procEnv.getContext().pushCall(Command.getCommandToken(parentProcCommand.getUpdateType()) + " " + parentProcCommand.getVirtualGroup());
} else {
if (parentProcCommand.getVirtualGroup() != null) {
procEnv.getContext().pushCall(parentProcCommand.getVirtualGroup().toString());
}
}
procEnv.push(dynamicProgram);
} catch (SQLException e) {
Object[] params = { dynamicCommand, dynamicCommand.getSql(), e.getMessage() };
throw new QueryProcessingException(QueryPlugin.Event.TEIID30168, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30168, params));
} catch (TeiidProcessingException e) {
Object[] params = { dynamicCommand, query == null ? dynamicCommand.getSql() : query, e.getMessage() };
throw new QueryProcessingException(QueryPlugin.Event.TEIID30168, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30168, params));
}
}
use of org.teiid.core.TeiidProcessingException in project teiid by teiid.
the class ProcedurePlan method processProcedure.
/**
* <p>Process the procedure, using the stack of Programs supplied by the
* ProcessorEnvironment. With each pass through the loop, the
* current Program is gotten off the top of the stack, and the
* current instruction is gotten from that program; each call
* to an instruction's process method may alter the Program
* Stack and/or the current instruction pointer of a Program,
* so it's important that this method's loop refer to the
* call stack of the ProcessorEnvironment each time, and not
* cache things in local variables. If the current Program's
* current instruction is null, then it's time to pop that
* Program off the stack.</p>
*
* @return List a single tuple containing one Integer: the update
* count resulting from the procedure execution.
*/
private TupleSource processProcedure() throws TeiidComponentException, TeiidProcessingException, BlockedException {
// execute plan
ProgramInstruction inst = null;
while (!this.programs.empty()) {
Program program = peek();
inst = program.getCurrentInstruction();
if (inst == null) {
// $NON-NLS-1$
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, "Finished program", program);
// look ahead to see if we need to process in place
VariableContext vc = this.cursorStates.getParentContext();
CursorState last = (CursorState) this.cursorStates.getValue(null);
if (last != null) {
if (last.resultsBuffer == null && (last.usesLocalTemp || !txnTupleSources.isEmpty())) {
last.resultsBuffer = bufferMgr.createTupleBuffer(last.processor.getOutputElements(), getContext().getConnectionId(), TupleSourceType.PROCESSOR);
last.returning = true;
}
if (last.returning) {
while (last.ts.hasNext()) {
List<?> tuple = last.ts.nextTuple();
last.resultsBuffer.addTuple(tuple);
}
last.resultsBuffer.close();
last.ts = last.resultsBuffer.createIndexedTupleSource(true);
last.returning = false;
}
}
this.pop(true);
continue;
}
try {
getContext().setCurrentTimestamp(System.currentTimeMillis());
if (inst instanceof RepeatedInstruction) {
// $NON-NLS-1$
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, "Executing repeated instruction", inst);
RepeatedInstruction loop = (RepeatedInstruction) inst;
if (loop.testCondition(this)) {
// $NON-NLS-1$
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, "Passed condition, executing program " + loop.getNestedProgram());
inst.process(this);
this.push(loop.getNestedProgram());
continue;
}
// $NON-NLS-1$
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, "Exiting repeated instruction", inst);
loop.postInstruction(this);
} else {
// $NON-NLS-1$
LogManager.logTrace(org.teiid.logging.LogConstants.CTX_DQP, "Executing instruction", inst);
inst.process(this);
this.evaluator.close();
}
} catch (TeiidComponentException e) {
throw e;
} catch (Exception e) {
// processing or teiidsqlexception
boolean atomic = program.isAtomic();
while (program.getExceptionGroup() == null) {
this.pop(false);
if (this.programs.empty()) {
// reached the top without a handler, so throw
if (e instanceof TeiidProcessingException) {
throw (TeiidProcessingException) e;
}
throw new ProcedureErrorInstructionException(QueryPlugin.Event.TEIID30167, e);
}
program = peek();
atomic |= program.isAtomic();
}
try {
// allow the current program to go out of scope
this.pop(false);
if (atomic) {
TransactionContext tc = this.getContext().getTransactionContext();
if (tc != null && tc.getTransactionType() != Scope.NONE) {
// a non-completing atomic block under a higher level transaction
// this will not work correctly until we support
// checkpoints/subtransactions
tc.getTransaction().setRollbackOnly();
getContext().addWarning(TeiidSQLException.create(e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31266)));
}
}
} catch (IllegalStateException | SystemException | TeiidComponentException e1) {
// $NON-NLS-1$
LogManager.logDetail(LogConstants.CTX_DQP, "Caught exception while rolling back transaction", e1);
} catch (Throwable e1) {
LogManager.logWarning(LogConstants.CTX_DQP, e1);
}
if (e instanceof RuntimeException) {
LogManager.logWarning(LogConstants.CTX_DQP, e);
} else {
// $NON-NLS-1$
LogManager.logDetail(LogConstants.CTX_DQP, "Caught exception in exception hanlding block", e);
}
if (program.getExceptionProgram() == null) {
continue;
}
Program exceptionProgram = program.getExceptionProgram();
this.push(exceptionProgram);
TeiidSQLException tse = TeiidSQLException.create(e);
GroupSymbol gs = new GroupSymbol(program.getExceptionGroup());
this.currentVarContext.setValue(exceptionSymbol(gs, 0), tse.getSQLState());
this.currentVarContext.setValue(exceptionSymbol(gs, 1), tse.getErrorCode());
this.currentVarContext.setValue(exceptionSymbol(gs, 2), tse.getTeiidCode());
this.currentVarContext.setValue(exceptionSymbol(gs, 3), tse);
this.currentVarContext.setValue(exceptionSymbol(gs, 4), tse.getCause());
continue;
}
program.incrementProgramCounter();
}
CursorState last = (CursorState) this.cursorStates.getValue(null);
if (last == null) {
return CollectionTupleSource.createNullTupleSource();
}
return last.ts;
}
use of org.teiid.core.TeiidProcessingException in project teiid by teiid.
the class XMLTableNode method nextBatchDirect.
@Override
protected synchronized TupleBatch nextBatchDirect() throws BlockedException, TeiidComponentException, TeiidProcessingException {
evaluate(false);
if (streaming) {
while (state == State.BUILDING) {
try {
this.wait();
} catch (InterruptedException e) {
throw new TeiidRuntimeException(QueryPlugin.Event.TEIID30169, e);
}
}
unwrapException(asynchException);
TupleBatch batch = this.buffer.getBatch(outputRow);
outputRow = batch.getEndRow() + 1;
if (state != State.DONE && !batch.getTerminationFlag()) {
state = hasNextBatch() ? State.AVAILABLE : State.BUILDING;
}
return batch;
}
while (!isBatchFull() && !isLastBatch()) {
if (item == null) {
try {
item = result.iter.next();
} catch (XPathException e) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30170, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30170, e.getMessage()));
}
rowCount++;
if (item == null) {
terminateBatches();
break;
}
}
addBatchRow(processRow());
if (rowCount == rowLimit) {
terminateBatches();
break;
}
}
return pullBatch();
}
use of org.teiid.core.TeiidProcessingException in project teiid by teiid.
the class XMLTableNode method processRow.
private List<?> processRow() throws ExpressionEvaluationException, BlockedException, TeiidComponentException, TeiidProcessingException {
List<Object> tuple = new ArrayList<Object>(projectedColumns.size());
for (XMLColumn proColumn : projectedColumns) {
if (proColumn.isOrdinal()) {
if (rowCount > Integer.MAX_VALUE) {
throw new TeiidRuntimeException(new TeiidProcessingException(QueryPlugin.Event.TEIID31174, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID31174)));
}
tuple.add((int) rowCount);
} else {
try {
XPathExpression path = proColumn.getPathExpression();
XPathDynamicContext dynamicContext = path.createDynamicContext(item);
final SequenceIterator pathIter = path.iterate(dynamicContext);
Item colItem = pathIter.next();
if (colItem == null) {
if (proColumn.getDefaultExpression() != null) {
tuple.add(getEvaluator(Collections.emptyMap()).evaluate(proColumn.getDefaultExpression(), null));
} else {
tuple.add(null);
}
continue;
}
if (proColumn.getSymbol().getType() == DataTypeManager.DefaultDataClasses.XML) {
SequenceIterator pushBack = new PushBackSequenceIterator(pathIter, colItem);
XMLType value = table.getXQueryExpression().createXMLType(pushBack, this.getBufferManager(), false, getContext());
tuple.add(value);
continue;
}
if (proColumn.getSymbol().getType().isArray()) {
ArrayList<Object> vals = new ArrayList<Object>();
vals.add(getValue(proColumn.getSymbol().getType().getComponentType(), colItem, this.table.getXQueryExpression().getConfig(), getContext()));
Item next = null;
while ((next = pathIter.next()) != null) {
vals.add(getValue(proColumn.getSymbol().getType().getComponentType(), next, this.table.getXQueryExpression().getConfig(), getContext()));
}
Object value = new ArrayImpl(vals.toArray((Object[]) Array.newInstance(proColumn.getSymbol().getType().getComponentType(), vals.size())));
tuple.add(value);
continue;
} else if (pathIter.next() != null) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30171, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30171, proColumn.getName()));
}
Object value = getValue(proColumn.getSymbol().getType(), colItem, this.table.getXQueryExpression().getConfig(), getContext());
tuple.add(value);
} catch (XPathException e) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30172, e, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30172, proColumn.getName()));
}
}
}
item = null;
return tuple;
}
use of org.teiid.core.TeiidProcessingException in project teiid by teiid.
the class TextTableNode method parseDelimitedLine.
private List<String> parseDelimitedLine(StringBuilder line) throws TeiidProcessingException {
ArrayList<String> result = new ArrayList<String>();
StringBuilder builder = new StringBuilder();
boolean escaped = false;
boolean wasQualified = false;
boolean qualified = false;
while (true) {
if (line == null) {
if (escaped) {
// allow for escaped new lines
if (cr) {
builder.append('\r');
}
builder.append(newLine);
escaped = false;
line = readLine(lineWidth, false);
continue;
}
if (!qualified) {
// close the last entry
addValue(result, wasQualified || noTrim, builder.toString());
return result;
}
line = readLine(lineWidth, false);
if (line == null) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30182, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30182, systemId));
}
}
for (int i = 0; i < line.length(); i++) {
char chr = line.charAt(i);
if (chr == delimiter) {
if (escaped || qualified) {
builder.append(chr);
escaped = false;
} else {
addValue(result, wasQualified || noTrim, builder.toString());
wasQualified = false;
// next entry
builder = new StringBuilder();
}
} else if (chr == quote) {
if (noQuote) {
// it's the escape char
if (escaped) {
builder.append(quote);
}
escaped = !escaped;
} else {
if (qualified) {
qualified = false;
} else {
if (wasQualified) {
qualified = true;
builder.append(chr);
} else {
if (builder.toString().trim().length() != 0) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30183, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30183, textLine, systemId));
}
qualified = true;
// start the entry over
builder = new StringBuilder();
wasQualified = true;
}
}
}
} else {
if (escaped) {
// don't understand other escape sequences yet
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30184, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30184, chr, textLine, systemId));
}
if (wasQualified && !qualified) {
if (!Character.isWhitespace(chr)) {
throw new TeiidProcessingException(QueryPlugin.Event.TEIID30183, QueryPlugin.Util.gs(QueryPlugin.Event.TEIID30183, textLine, systemId));
}
// else just ignore
} else {
builder.append(chr);
}
}
}
line = null;
}
}
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