Package com.facebook.presto.byteCode.control.IfStatement

Examples of com.facebook.presto.byteCode.control.IfStatement.IfStatementBuilder.comment()

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        if (!acceptNulls) {
            //  Wrap with null checks
            for (Variable variable : parameterVariables) {
                IfStatementBuilder builder = ifStatementBuilder(context);
                builder.comment("if(!%s.isNull(position))", variable.getName())
                        .condition(new Block(context)
                                .getVariable(variable)
                                .getVariable(positionVariable)
                                .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
                        .ifTrue(NOP)
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                .getVariable(position)
                .invokeStatic(ApproximateUtils.class, "computeSampleWeight", long.class, com.facebook.presto.spi.block.Block.class, com.facebook.presto.spi.block.Block.class, int.class)
                .putVariable(sampleWeight);

        IfStatementBuilder builder = ifStatementBuilder(context);
        builder.comment("if(sampleWeight > 0)")
                .condition(new Block(context)
                        .getVariable(sampleWeight)
                        .invokeStatic(CompilerOperations.class, "longGreaterThanZero", boolean.class, long.class))
                .ifTrue(body)
                .ifFalse(NOP);
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                .getVariable("block")
                .invokeInterface(com.facebook.presto.spi.block.Block.class, "getPositionCount", int.class)
                .putVariable(rowsVariable);

        IfStatementBuilder builder = ifStatementBuilder(context);
        builder.comment("if(!block.isNull(position))")
                .condition(new Block(context)
                        .getVariable("block")
                        .getVariable(positionVariable)
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
                .ifTrue(NOP)
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        checkState(nullable.size() == parameterVariables.size(), "Number of parameters does not match");
        for (int i = 0; i < parameterVariables.size(); i++) {
            if (!nullable.get(i)) {
                IfStatementBuilder builder = ifStatementBuilder(context);
                Variable variableDefinition = parameterVariables.get(i);
                builder.comment("if(!%s.isNull(position))", variableDefinition.getName())
                        .condition(new Block(context)
                                .getVariable(variableDefinition)
                                .getVariable(positionVariable)
                                .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
                        .ifTrue(NOP)
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            loopBody = generateComputeSampleWeightAndCheckGreaterThanZero(context, loopBody, sampleWeightVariable, masksBlock, sampleWeightsBlock, positionVariable);
        }
        // Otherwise just check the mask
        else {
            IfStatementBuilder builder = ifStatementBuilder(context);
            builder.comment("if(testMask(%s, position))", masksBlock.getName())
                    .condition(new Block(context)
                            .getVariable(masksBlock)
                            .getVariable(positionVariable)
                            .invokeStatic(CompilerOperations.class, "testMask", boolean.class, com.facebook.presto.spi.block.Block.class, int.class))
                    .ifTrue(loopBody)
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                .getVariable(position)
                .invokeStatic(ApproximateUtils.class, "computeSampleWeight", long.class, com.facebook.presto.spi.block.Block.class, com.facebook.presto.spi.block.Block.class, int.class)
                .putVariable(sampleWeight);

        IfStatementBuilder builder = ifStatementBuilder(context);
        builder.comment("if(sampleWeight > 0)")
                .condition(new Block(context)
                        .getVariable(sampleWeight)
                        .invokeStatic(CompilerOperations.class, "longGreaterThanZero", boolean.class, long.class))
                .ifTrue(body)
                .ifFalse(NOP);
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                .getVariable("block")
                .invokeInterface(com.facebook.presto.spi.block.Block.class, "getPositionCount", int.class)
                .putVariable(rowsVariable);

        IfStatementBuilder builder = ifStatementBuilder(context);
        builder.comment("if(!block.isNull(position))")
                .condition(new Block(context)
                        .getVariable("block")
                        .getVariable(positionVariable)
                        .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
                .ifTrue(NOP)
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        checkState(nullable.size() == parameterVariables.size(), "Number of parameters does not match");
        for (int i = 0; i < parameterVariables.size(); i++) {
            if (!nullable.get(i)) {
                IfStatementBuilder builder = ifStatementBuilder(context);
                Variable variableDefinition = parameterVariables.get(i);
                builder.comment("if(!%s.isNull(position))", variableDefinition.getName())
                        .condition(new Block(context)
                                .getVariable(variableDefinition)
                                .getVariable(positionVariable)
                                .invokeInterface(com.facebook.presto.spi.block.Block.class, "isNull", boolean.class, int.class))
                        .ifTrue(NOP)
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            loopBody = generateComputeSampleWeightAndCheckGreaterThanZero(context, loopBody, sampleWeightVariable, masksBlock, sampleWeightsBlock, positionVariable);
        }
        // Otherwise just check the mask
        else {
            IfStatementBuilder builder = ifStatementBuilder(context);
            builder.comment("if(testMask(%s, position))", masksBlock.getName())
                    .condition(new Block(context)
                            .getVariable(masksBlock)
                            .getVariable(positionVariable)
                            .invokeStatic(CompilerOperations.class, "testMask", boolean.class, com.facebook.presto.spi.block.Block.class, int.class))
                    .ifTrue(loopBody)
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                .getVariable(position)
                .invokeStatic(ApproximateUtils.class, "computeSampleWeight", long.class, com.facebook.presto.spi.block.Block.class, com.facebook.presto.spi.block.Block.class, int.class)
                .putVariable(sampleWeight);

        IfStatementBuilder builder = ifStatementBuilder(context);
        builder.comment("if(sampleWeight > 0)")
                .condition(new Block(context)
                        .getVariable(sampleWeight)
                        .invokeStatic(CompilerOperations.class, "longGreaterThanZero", boolean.class, long.class))
                .ifTrue(body)
                .ifFalse(NOP);
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