Package com.facebook.presto.operator

Examples of com.facebook.presto.operator.JoinProbe

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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(types, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(types, 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        Block probeBlock = page.getBlock(0);
        PageBuilder pageBuilder = new PageBuilder(types);
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(position, probeBlock));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertPageEquals(types, pageBuilder.build(), page);
    }
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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(1, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        BlockCursor probeCursor = page.getBlock(0).cursor();
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR));
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(probeCursor.advanceNextPosition());
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(probeCursor));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertBlockEquals(pageBuilder.build().getBlock(0), page.getBlock(0));
    }
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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(types, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(types, 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        Block probeBlock = page.getBlock(0);
        PageBuilder pageBuilder = new PageBuilder(types);
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(position, probeBlock));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertPageEquals(types, pageBuilder.build(), page);
    }
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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(1, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        BlockCursor probeCursor = page.getBlock(0).cursor();
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR));
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(probeCursor.advanceNextPosition());
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(probeCursor));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertBlockEquals(pageBuilder.build().getBlock(0), page.getBlock(0));
    }
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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(1, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        Block probeBlock = page.getBlock(0);
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR));
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(position, probeBlock));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertBlockEquals(pageBuilder.build().getBlock(0), page.getBlock(0));
    }
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        JoinProbeCompiler joinProbeCompiler = new JoinProbeCompiler();
        JoinProbeFactory probeFactory = joinProbeCompiler.internalCompileJoinProbe(1, Ints.asList(0));

        Page page = SequencePageBuilder.createSequencePage(ImmutableList.of(VARCHAR), 10, 10);
        JoinProbe joinProbe = probeFactory.createJoinProbe(lookupSource, page);

        // verify channel count
        assertEquals(joinProbe.getChannelCount(), 1);

        BlockCursor probeCursor = page.getBlock(0).cursor();
        PageBuilder pageBuilder = new PageBuilder(ImmutableList.of(VARCHAR));
        for (int position = 0; position < page.getPositionCount(); position++) {
            assertTrue(probeCursor.advanceNextPosition());
            assertTrue(joinProbe.advanceNextPosition());

            joinProbe.appendTo(pageBuilder);

            assertEquals(joinProbe.getCurrentJoinPosition(), lookupSource.getJoinPosition(probeCursor));
        }
        assertFalse(joinProbe.advanceNextPosition());
        assertBlockEquals(pageBuilder.build().getBlock(0), page.getBlock(0));
    }
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