Package com.facebook.presto.sql.planner.optimizations

Examples of com.facebook.presto.sql.planner.optimizations.IndexJoinOptimizer$IndexSourceRewriter


                new PredicatePushDown(metadata, splitManager, featuresConfig.isExperimentalSyntaxEnabled()),
                new PredicatePushDown(metadata, splitManager, featuresConfig.isExperimentalSyntaxEnabled()), // Run predicate push down one more time in case we can leverage new information from generated partitions
                new MergeProjections(),
                new SimplifyExpressions(metadata), // Re-run the SimplifyExpressions to simplify any recomposed expressions from other optimizations
                new UnaliasSymbolReferences(), // Run again because predicate pushdown might add more projections
                new IndexJoinOptimizer(indexManager), // Run this after projections and filters have been fully simplified and pushed down
                new PruneUnreferencedOutputs(), // Make sure to run this at the end to help clean the plan for logging/execution and not remove info that other optimizers might need at an earlier point
                new PruneRedundantProjections()); // This MUST run after PruneUnreferencedOutputs as it may introduce new redundant projections
        // TODO: consider adding a formal final plan sanitization optimizer that prepares the plan for transmission/execution/logging
        // TODO: figure out how to improve the set flattening optimizer so that it can run at any point
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                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()),
                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()), // Run predicate push down one more time in case we can leverage new information from generated partitions
                new MergeProjections(),
                new SimplifyExpressions(metadata, sqlParser), // Re-run the SimplifyExpressions to simplify any recomposed expressions from other optimizations
                new UnaliasSymbolReferences(), // Run again because predicate pushdown might add more projections
                new IndexJoinOptimizer(indexManager), // Run this after projections and filters have been fully simplified and pushed down
                new PruneUnreferencedOutputs(), // Make sure to run this at the end to help clean the plan for logging/execution and not remove info that other optimizers might need at an earlier point
                new PruneRedundantProjections()); // This MUST run after PruneUnreferencedOutputs as it may introduce new redundant projections
        // TODO: consider adding a formal final plan sanitization optimizer that prepares the plan for transmission/execution/logging
        // TODO: figure out how to improve the set flattening optimizer so that it can run at any point
View Full Code Here

                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()),
                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()), // Run predicate push down one more time in case we can leverage new information from generated partitions
                new MergeProjections(),
                new SimplifyExpressions(metadata, sqlParser), // Re-run the SimplifyExpressions to simplify any recomposed expressions from other optimizations
                new UnaliasSymbolReferences(), // Run again because predicate pushdown might add more projections
                new IndexJoinOptimizer(indexManager), // Run this after projections and filters have been fully simplified and pushed down
                new CountConstantOptimizer(),
                new WindowFilterPushDown(metadata), // This must run after PredicatePushDown so that it squashes any successive filter nodes
                new PruneUnreferencedOutputs(), // Make sure to run this at the end to help clean the plan for logging/execution and not remove info that other optimizers might need at an earlier point
                new PruneRedundantProjections()); // This MUST run after PruneUnreferencedOutputs as it may introduce new redundant projections
        // TODO: consider adding a formal final plan sanitization optimizer that prepares the plan for transmission/execution/logging
View Full Code Here

                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()),
                new PredicatePushDown(metadata, sqlParser, splitManager, featuresConfig.isExperimentalSyntaxEnabled()), // Run predicate push down one more time in case we can leverage new information from generated partitions
                new MergeProjections(),
                new SimplifyExpressions(metadata, sqlParser), // Re-run the SimplifyExpressions to simplify any recomposed expressions from other optimizations
                new UnaliasSymbolReferences(), // Run again because predicate pushdown might add more projections
                new IndexJoinOptimizer(indexManager), // Run this after projections and filters have been fully simplified and pushed down
                new CountConstantOptimizer(),
                new WindowFilterPushDown(), // This must run after PredicatePushDown so that it squashes any successive filter nodes
                new PruneUnreferencedOutputs(), // Make sure to run this at the end to help clean the plan for logging/execution and not remove info that other optimizers might need at an earlier point
                new PruneRedundantProjections()); // This MUST run after PruneUnreferencedOutputs as it may introduce new redundant projections
        // TODO: consider adding a formal final plan sanitization optimizer that prepares the plan for transmission/execution/logging
View Full Code Here

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