Package com.facebook.presto.byteCode.control

Examples of com.facebook.presto.byteCode.control.IfStatement

737
738
739
740
741
742
743
744
745
746
                .pop()
                .pop();

        projectionMethod.getBody()
                .comment("if the result was null, appendNull; otherwise append the value")
                .append(new IfStatement(context, new Block(context).getVariable("wasNull"), nullBlock, notNullBlock))
                .ret();

        return projectionType.getJavaType();
    }
View Full Code Here
358
359
360
361
362
363
364
365
366
367
368
        classDefinition.declareMethod(context,
                a(PUBLIC),
                "getCurrentJoinPosition",
                type(long.class))
                .getBody()
                .append(new IfStatement(
                        context,
                        new Block(context).append(context.getVariable("this").invoke("currentRowContainsNull", boolean.class)),
                        new Block(context).push(-1L).retLong(),
                        null
                ))
View Full Code Here
130
131
132
133
134
135
136
137
138
139
140
            // for huge IN lists, use a Set
            Binding constant = generatorContext.getCallSiteBinder().bind(constantValues, Set.class);

            switchBlock = new Block(context)
                    .comment("inListSet.contains(<stackValue>)")
                    .append(new IfStatement(context,
                            new Block(context)
                                    .comment("value (+boxing if necessary)")
                                    .dup(javaType)
                                    .append(ByteCodeUtils.boxPrimitive(context, javaType))
                                    .comment("set")
View Full Code Here
95
96
97
98
99
100
101
        if (!stackArgsToPop.isEmpty()) {
            popComment = format("pop(%s)", Joiner.on(", ").join(stackArgsToPop));
        }

        String comment = format("if wasNull then %s", Joiner.on(", ").skipNulls().join(clearComment, popComment, loadDefaultComment, "goto " + label.getLabel()));
        return new IfStatement(context, comment, nullCheck, isNull, NOP);
    }
View Full Code Here
71
72
73
74
75
76
77
78
79
                .putVariable("wasNull", true)
                .pop(first.getType().getJavaType())
                .pushJavaDefault(first.getType().getJavaType());

        // else return first (which is still on the stack
        block.append(new IfStatement(context, conditionBlock, trueBlock, notMatch));

        return block;
    }
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
        Block block = new Block(context)
                .comment("IS DISTINCT FROM")
                .comment("left")
                .append(generatorContext.generate(left))
                .append(new IfStatement(context,
                        new Block(context).getVariable("wasNull"),
                        new Block(context)
                                .pop(leftType.getJavaType())
                                .putVariable("wasNull", false)
                                .comment("right is not null")
                                .append(generatorContext.generate(right))
                                .pop(rightType.getJavaType())
                                .getVariable("wasNull")
                                .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class),
                        new Block(context)
                                .comment("right")
                                .append(generatorContext.generate(right))
                                .append(new IfStatement(context,
                                        new Block(context).getVariable("wasNull"),
                                        new Block(context)
                                                .pop(leftType.getJavaType())
                                                .pop(rightType.getJavaType())
                                                .push(true),
View Full Code Here
53
54
55
56
57
58
59
60
61
62
            Block nullBlock = new Block(context)
                    .pop(returnType.getJavaType())
                    .putVariable("wasNull", false)
                    .append(nullValue);

            nullValue = new IfStatement(context, condition, nullBlock, NOP);
        }

        return nullValue;
    }
View Full Code Here
316
317
318
319
320
321
322
323
324
325
326
        classDefinition.declareMethod(context,
                a(PUBLIC),
                "getCurrentJoinPosition",
                type(long.class))
                .getBody()
                .append(new IfStatement(
                        context,
                        new Block(context).append(context.getVariable("this").invoke("currentRowContainsNull", boolean.class)),
                        new Block(context).push(-1L).retLong(),
                        null
                ))
View Full Code Here
37
38
39
40
41
42
43
44
45
46
                .getVariable("wasNull")
                .invokeStatic(CompilerOperations.class, "not", boolean.class, boolean.class)
                .invokeStatic(CompilerOperations.class, "and", boolean.class, boolean.class, boolean.class)
                .putVariable("wasNull", false);

        return new IfStatement(context.getContext(),
                condition,
                context.generate(arguments.get(1)),
                context.generate(arguments.get(2)));
    }
View Full Code Here
124
125
126
127
128
129
130
131
132
133
134
            Block condition = new Block(context)
                    .append(equalsCall)
                    .putVariable("wasNull", false);

            elseValue = new IfStatement(context,
                    "when",
                    condition,
                    generatorContext.generate(result),
                    elseValue);
        }
View Full Code Here
TOP

Related Classes of com.facebook.presto.byteCode.control.IfStatement

  • com.facebook.presto.byteCode.Block
  • com.facebook.presto.sql.gen.ByteCodeExpressionVisitor
  • com.facebook.presto.sql.gen.ByteCodeUtils
  • com.facebook.presto.sql.gen.CoalesceCodeGenerator
  • com.facebook.presto.sql.gen.CursorProcessorCompiler
  • com.facebook.presto.sql.gen.ExpressionCompiler
  • com.facebook.presto.sql.gen.IfCodeGenerator
  • com.facebook.presto.sql.gen.InCodeGenerator
  • com.facebook.presto.sql.gen.IsDistinctFromCodeGenerator
  • com.facebook.presto.sql.gen.JoinProbeCompiler
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.