Examples of com.facebook.presto.byteCode.CompilerContext.declareVariable()

Class com.facebook.presto.byteCode.CompilerContext

Examples of com.facebook.presto.byteCode.CompilerContext.declareVariable()

com.facebook.presto.byteCode.CompilerContext.declareVariable()

                a(PUBLIC),
                "evaluateFinal",
                type(com.facebook.presto.spi.block.Block.class))
                .getBody();


        context.declareVariable(BlockBuilder.class, "out");


        body.pushThis()
                .invokeVirtual(getFinalType)
                .newObject(BlockBuilderStatus.class)
                .dup()

View Full Code Here

        Variable pageVariable = context.getVariable("page");
        Variable startVariable = context.getVariable("start");
        Variable endVariable = context.getVariable("end");
        Variable pageBuilderVariable = context.getVariable("pageBuilder");


        Variable positionVariable = context.declareVariable(int.class, "position");


        method.getBody()
                .comment("int position = start;")
                .getVariable(startVariable)
                .putVariable(positionVariable);

View Full Code Here

                .getVariable(startVariable)
                .putVariable(positionVariable);


        List<Integer> allInputChannels = getInputChannels(Iterables.concat(projections, ImmutableList.of(filter)));
        for (int channel : allInputChannels) {
            Variable blockVariable = context.declareVariable(com.facebook.presto.spi.block.Block.class, "block_" + channel);
            method.getBody()
                    .comment("Block %s = page.getBlock(%s);", blockVariable.getName(), channel)
                    .getVariable(pageVariable)
                    .push(channel)
                    .invokeVirtual(Page.class, "getBlock", com.facebook.presto.spi.block.Block.class, int.class)

View Full Code Here

                        .build());


        method.comment("Filter: %s", filter.toString());


        Variable positionVariable = context.getVariable("position");
        Variable wasNullVariable = context.declareVariable(type(boolean.class), "wasNull");


        ByteCodeExpressionVisitor visitor = new ByteCodeExpressionVisitor(
                callSiteBinder,
                fieldReferenceCompiler(callSiteBinder, positionVariable, wasNullVariable),
                metadata.getFunctionRegistry());

View Full Code Here

        method.comment("Projection: %s", projection.toString());


        Variable positionVariable = context.getVariable("position");
        Variable outputVariable = context.getVariable("output");


        Variable wasNullVariable = context.declareVariable(type(boolean.class), "wasNull");


        Block body = method.getBody()
                .comment("boolean wasNull = false;")
                .putVariable(wasNullVariable, false);

View Full Code Here

                arg("page", com.facebook.presto.operator.Page.class),
                arg("pageBuilder", PageBuilder.class));


        CompilerContext compilerContext = filterAndProjectMethod.getCompilerContext();


        LocalVariableDefinition positionVariable = compilerContext.declareVariable(int.class, "position");


        LocalVariableDefinition rowsVariable = compilerContext.declareVariable(int.class, "rows");
        filterAndProjectMethod.getBody()
                .comment("int rows = page.getPositionCount();")
                .getVariable("page")

View Full Code Here


        CompilerContext compilerContext = filterAndProjectMethod.getCompilerContext();


        LocalVariableDefinition positionVariable = compilerContext.declareVariable(int.class, "position");


        LocalVariableDefinition rowsVariable = compilerContext.declareVariable(int.class, "rows");
        filterAndProjectMethod.getBody()
                .comment("int rows = page.getPositionCount();")
                .getVariable("page")
                .invokeVirtual(com.facebook.presto.operator.Page.class, "getPositionCount", int.class)
                .putVariable(rowsVariable);

View Full Code Here


        List<LocalVariableDefinition> cursorVariables = new ArrayList<>();


        List<Integer> inputChannels = getInputChannels(expressionTypes.keySet());
        for (int channel : inputChannels) {
            LocalVariableDefinition cursorVariable = compilerContext.declareVariable(BlockCursor.class, "cursor_" + channel);
            cursorVariables.add(cursorVariable);
            filterAndProjectMethod.getBody()
                    .comment("BlockCursor %s = page.getBlock(%s).cursor();", cursorVariable.getName(), channel)
                    .getVariable("page")
                    .push(channel)

View Full Code Here

                arg("cursor", RecordCursor.class),
                arg("pageBuilder", PageBuilder.class));


        CompilerContext compilerContext = filterAndProjectMethod.getCompilerContext();


        LocalVariableDefinition completedPositionsVariable = compilerContext.declareVariable(int.class, "completedPositions");
        filterAndProjectMethod.getBody()
                .comment("int completedPositions = 0;")
                .putVariable(completedPositionsVariable, 0);


        //

View Full Code Here


        projectionMethod.comment("Projection: %s", projection.toString());


        // generate body code
        CompilerContext context = projectionMethod.getCompilerContext();
        context.declareVariable(type(boolean.class), "wasNull");
        Block getSessionByteCode = new Block(context).pushThis().getField(classDefinition.getType(), "session", type(ConnectorSession.class));
        ByteCodeExpressionVisitor visitor = new ByteCodeExpressionVisitor(metadata, bootstrap.getFunctionBinder(), expressionTypes, getSessionByteCode, sourceIsCursor, timeZoneKey);
        ByteCodeNode body = visitor.process(projection, context);


        projectionMethod

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

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.