protected EvalNode visitIfThen(CONTEXT context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }
@Override public RESULT visitIfThen(CONTEXT context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { RESULT result; stack.push(evalNode); result = visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return result; }
@Override protected EvalNode visitIfThen(EvalCodeGenContext context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }
EvalNode result = ifThenList.get(i).getResult(); cases[i] = new TajoGeneratorAdapter.SwitchCase(key, result); context.methodvisitor.visitJumpInsn(Opcodes.IF_ICMPNE, (casesNum - 1) < i ? labels[i] : defaultLabel); // false codeGen.visit(context, ifThenEval.getResult(), stack); context.gotoLabel(afterAll); stack.pop();
EvalNode result = ifThenList.get(i).getResult(); cases[i] = new TajoGeneratorAdapter.SwitchCase(key, result); context.methodvisitor.visitJumpInsn(Opcodes.IF_ICMPNE, (casesNum - 1) < i ? labels[i] : defaultLabel); // false codeGen.visit(context, ifThenEval.getResult(), stack); context.gotoLabel(afterAll); stack.pop();
ifThen.setCondition(tobeReplaced); if (ifThen.getResult().equals(evalNode)) { ifThen.setResult(tobeReplaced);
ifThen.setCondition(tobeReplaced); if (ifThen.getResult().equals(evalNode)) { ifThen.setResult(tobeReplaced);
ifThen.setResult(convertType(ctx, ifThen.getResult(), toType));
ifThen.setResult(convertType(ctx, ifThen.getResult(), toType));
@Override public EvalNode visitCaseWhen(Context ctx, Stack<Expr> stack, CaseWhenPredicate caseWhen) throws TajoException { CaseWhenEval caseWhenEval = new CaseWhenEval(); EvalNode condition; EvalNode result; for (CaseWhenPredicate.WhenExpr when : caseWhen.getWhens()) { condition = visit(ctx, stack, when.getCondition()); result = visit(ctx, stack, when.getResult()); caseWhenEval.addIfCond(condition, result); } if (caseWhen.hasElseResult()) { caseWhenEval.setElseResult(visit(ctx, stack, caseWhen.getElseResult())); } // Getting the widest type from all if-then expressions and else expression. DataType widestType = convert(caseWhenEval.getIfThenEvals().get(0).getResult().getValueType()).getDataType(); for (int i = 1; i < caseWhenEval.getIfThenEvals().size(); i++) { widestType = CatalogUtil.getWidestType( convert(caseWhenEval.getIfThenEvals().get(i).getResult().getValueType()).getDataType(), widestType); } if (caseWhen.hasElseResult()) { widestType = CatalogUtil.getWidestType( widestType, convert(caseWhenEval.getElse().getValueType()).getDataType()); } assertEval(widestType != null, "Invalid Type Conversion for CaseWhen"); // implicit type conversion caseWhenEval = (CaseWhenEval) convertType(ctx, caseWhenEval, TypeConverter.convert(widestType)); return caseWhenEval; }
@Override public EvalNode visitCaseWhen(Context ctx, Stack<Expr> stack, CaseWhenPredicate caseWhen) throws TajoException { CaseWhenEval caseWhenEval = new CaseWhenEval(); EvalNode condition; EvalNode result; for (CaseWhenPredicate.WhenExpr when : caseWhen.getWhens()) { condition = visit(ctx, stack, when.getCondition()); result = visit(ctx, stack, when.getResult()); caseWhenEval.addIfCond(condition, result); } if (caseWhen.hasElseResult()) { caseWhenEval.setElseResult(visit(ctx, stack, caseWhen.getElseResult())); } // Getting the widest type from all if-then expressions and else expression. DataType widestType = caseWhenEval.getIfThenEvals().get(0).getResult().getValueType(); for (int i = 1; i < caseWhenEval.getIfThenEvals().size(); i++) { widestType = CatalogUtil.getWidestType(caseWhenEval.getIfThenEvals().get(i).getResult().getValueType(), widestType); } if (caseWhen.hasElseResult()) { widestType = CatalogUtil.getWidestType(widestType, caseWhenEval.getElse().getValueType()); } assertEval(widestType != null, "Invalid Type Conversion for CaseWhen"); // implicit type conversion caseWhenEval = (CaseWhenEval) convertType(ctx, caseWhenEval, widestType); return caseWhenEval; }
@Override protected EvalNode visitCaseWhen(Object o, CaseWhenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); CaseWhenPredicate caseWhenPredicate = new CaseWhenPredicate(); for (CaseWhenEval.IfThenEval ifThenEval : evalNode.getIfThenEvals()) { visit(o, ifThenEval.getCondition(), stack); Expr condition = exprs.pop(); visit(o, ifThenEval.getResult(), stack); Expr result = exprs.pop(); caseWhenPredicate.addWhen(condition, result); } if (evalNode.hasElse()) { visit(o, evalNode.getElse(), stack); Expr elseResult = exprs.pop(); caseWhenPredicate.setElseResult(elseResult); } exprs.push(caseWhenPredicate); stack.pop(); return null; } }
@Override public DataType getValueType() { // Find not null type for (IfThenEval eachWhen: whens) { if (eachWhen.getResult().getValueType().getType() != Type.NULL_TYPE) { return eachWhen.getResult().getValueType(); } } if (elseResult != null) { // without else clause return elseResult.getValueType(); } return NullDatum.getDataType(); }
@Override public org.apache.tajo.type.Type getValueType() { // Find not null type for (IfThenEval eachWhen: whens) { if (!eachWhen.getResult().getValueType().isNull()) { return eachWhen.getResult().getValueType(); } } if (elseResult != null) { // without else clause return elseResult.getValueType(); } return org.apache.tajo.type.Type.Null; }
@Override protected EvalNode visitIfThen(Context context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); context.append("WHEN"); visit(context, evalNode.getCondition(), stack); context.append("THEN"); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }
@Override protected EvalNode visitIfThen(EvalCodeGenContext context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }
@Override protected EvalNode visitIfThen(Context context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); context.append("WHEN"); visit(context, evalNode.getCondition(), stack); context.append("THEN"); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }
@Override public RESULT visitIfThen(CONTEXT context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { RESULT result; stack.push(evalNode); result = visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return result; }
protected EvalNode visitIfThen(CONTEXT context, CaseWhenEval.IfThenEval evalNode, Stack<EvalNode> stack) { stack.push(evalNode); visit(context, evalNode.getCondition(), stack); visit(context, evalNode.getResult(), stack); stack.pop(); return evalNode; }