org.apache.calcite.rel.core.Filter.getInput()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中org.apache.calcite.rel.core.Filter.getInput()方法的一些代码示例，展示了Filter.getInput()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Filter.getInput()方法的具体详情如下：
包路径：org.apache.calcite.rel.core.Filter
类名称：Filter
方法名：getInput

Filter.getInput介绍

暂无

代码示例

代码示例来源：origin: apache/hive

public void handle(Filter filter) {
 RelNode child = filter.getInput();
 if (child instanceof Aggregate && !((Aggregate) child).getGroupSet().isEmpty()) {
  ASTConverter.this.having = filter;
 } else {
  ASTConverter.this.where = filter;
 }
}

代码示例来源：origin: apache/hive

static HiveTableScan getTableScan(RelNode r, boolean traverseProject) {

  while (r != null && !(r instanceof HiveTableScan)) {
   if (r instanceof HepRelVertex) {
    r = ((HepRelVertex) r).getCurrentRel();
   } else if (r instanceof Filter) {
    r = ((Filter) r).getInput();
   } else if (traverseProject && r instanceof Project) {
    r = ((Project) r).getInput();
   } else {
    r = null;
   }
  }
  return r == null ? null : (HiveTableScan) r;
 }
}

代码示例来源：origin: apache/drill

public void handle(Filter filter) {
 RelNode child = filter.getInput();
 if (child instanceof Aggregate && !((Aggregate) child).getGroupSet().isEmpty()) {
  ASTConverter.this.having = filter;
 } else {
  ASTConverter.this.where = filter;
 }
}

代码示例来源：origin: apache/hive

public RelNode align(Filter rel, List<RelFieldCollation> collations) {
 final RelNode child = dispatchAlign(rel.getInput(), collations);
 return rel.copy(rel.getTraitSet(), ImmutableList.of(child));
}

代码示例来源：origin: apache/drill

static HiveTableScan getTableScan(RelNode r, boolean traverseProject) {
 while (r != null && !(r instanceof HiveTableScan)) {
  if (r instanceof HepRelVertex) {
   r = ((HepRelVertex) r).getCurrentRel();
  } else if (r instanceof Filter) {
   r = ((Filter) r).getInput();
  } else if (traverseProject && r instanceof Project) {
   r = ((Project) r).getInput();
  } else {
   r = null;
  }
 }
 return r == null ? null : (HiveTableScan) r;
}

代码示例来源：origin: apache/drill

public RelNode align(Filter rel, List<RelFieldCollation> collations) {
 final RelNode child = dispatchAlign(rel.getInput(), collations);
 return rel.copy(rel.getTraitSet(), ImmutableList.of(child));
}

代码示例来源：origin: apache/storm

@Override
  public RelNode convert(RelNode rel) {
    final Filter filter = (Filter) rel;
    final RelNode input = filter.getInput();

    return new StreamsFilterRel(filter.getCluster(),
                  filter.getTraitSet().replace(StreamsLogicalConvention.INSTANCE),
                  convert(input, input.getTraitSet().replace(StreamsLogicalConvention.INSTANCE)),
                  filter.getCondition());
  }
}

代码示例来源：origin: apache/hive

private boolean isPartitionPredicate(RexNode expr, RelNode r) {
 if (r instanceof Project) {
  expr = RelOptUtil.pushFilterPastProject(expr, (Project) r);
  return isPartitionPredicate(expr, ((Project) r).getInput());
 } else if (r instanceof Filter) {
  return isPartitionPredicate(expr, ((Filter) r).getInput());
 } else if (r instanceof HiveTableScan) {
  RelOptHiveTable table = (RelOptHiveTable) ((HiveTableScan) r).getTable();
  ImmutableBitSet cols = RelOptUtil.InputFinder.bits(expr);
  return table.containsPartitionColumnsOnly(cols);
 }
 return false;
}

代码示例来源：origin: apache/drill

private boolean isPartitionPredicate(RexNode expr, RelNode r) {
 if (r instanceof Project) {
  expr = RelOptUtil.pushFilterPastProject(expr, (Project) r);
  return isPartitionPredicate(expr, ((Project) r).getInput());
 } else if (r instanceof Filter) {
  return isPartitionPredicate(expr, ((Filter) r).getInput());
 } else if (r instanceof HiveTableScan) {
  RelOptHiveTable table = (RelOptHiveTable) ((HiveTableScan) r).getTable();
  ImmutableBitSet cols = RelOptUtil.InputFinder.bits(expr);
  return table.containsPartitionColumnsOnly(cols);
 }
 return false;
}

代码示例来源：origin: apache/hive

if (!inputRef.getType().isNullable()) {
 if (alwaysTrue) {
  call.transformTo(filter.getInput());
 } else {
  call.transformTo(createEmptyRelOrEquivalent(call, filter));

代码示例来源：origin: apache/hive

@Override
 public void onMatch(RelOptRuleCall call) {
  final Filter filter = call.rel(0);
  final RexBuilder rexBuilder = filter.getCluster().getRexBuilder();
  final RexNode condition = RexUtil.pullFactors(rexBuilder, filter.getCondition());
  RexNode newCondition = analyzeRexNode(rexBuilder, condition);
  // If we could not transform anything, we bail out
  if (newCondition.toString().equals(condition.toString())) {
   return;
  }
  RelNode newNode = filter.copy(filter.getTraitSet(), filter.getInput(), newCondition);
  call.transformTo(newNode);
 }
}

代码示例来源：origin: apache/drill

if (!inputRef.getType().isNullable()) {
 if (alwaysTrue) {
  call.transformTo(filter.getInput());
 } else {
  call.transformTo(createEmptyRelOrEquivalent(call, filter));

代码示例来源：origin: apache/hive

final RelMetadataQuery mq = call.getMetadataQuery();
final RelOptPredicateList predicates =
  mq.getPulledUpPredicates(filter.getInput());
if (reduceExpressions(filter, expList, predicates, true, false)) {
 assert expList.size() == 1;
   filter.getInput());
} else if (reduced) {
 if (RexUtil.isNullabilityCast(filter.getCluster().getTypeFactory(),
   push(filter.getInput()).filter(newConditionExp).build());
} else {
 if (newConditionExp instanceof RexCall) {

代码示例来源：origin: apache/hive

@Override
public void onMatch(RelOptRuleCall call) {
 final Filter filter = call.rel(0);
 final RexBuilder rexBuilder = filter.getCluster().getRexBuilder();
 final RelMetadataQuery metadataProvider = call.getMetadataQuery();
 // 1. Recompose filter possibly by pulling out common elements from DNF
 // expressions
 RexNode newFilterCondition = RexUtil.pullFactors(rexBuilder, filter.getCondition());
 // 2. Reduce filter with stats information
 RexReplacer replacer = new RexReplacer(filter, rexBuilder, metadataProvider);
 newFilterCondition = replacer.apply(newFilterCondition);
 // 3. Transform if we have created a new filter operator
 if (!filter.getCondition().toString().equals(newFilterCondition.toString())) {
  Filter newFilter = filter.copy(filter.getTraitSet(), filter.getInput(), newFilterCondition);
  call.transformTo(newFilter);
 }
}

代码示例来源：origin: apache/drill

@Override
public void onMatch(RelOptRuleCall call) {
 final Filter filter = call.rel(0);
 final RexBuilder rexBuilder = filter.getCluster().getRexBuilder();
 final RelMetadataQuery metadataProvider = RelMetadataQuery.instance();
 // 1. Recompose filter possibly by pulling out common elements from DNF
 // expressions
 RexNode newFilterCondition = RexUtil.pullFactors(rexBuilder, filter.getCondition());
 // 2. Reduce filter with stats information
 RexReplacer replacer = new RexReplacer(filter, rexBuilder, metadataProvider);
 newFilterCondition = replacer.apply(newFilterCondition);
 // 3. Transform if we have created a new filter operator
 if (!filter.getCondition().toString().equals(newFilterCondition.toString())) {
  Filter newFilter = filter.copy(filter.getTraitSet(), filter.getInput(), newFilterCondition);
  call.transformTo(newFilter);
 }
}

代码示例来源：origin: apache/drill

public void onMatch(RelOptRuleCall call) {
 final Filter filter = call.rel(0);
 final RexBuilder rexBuilder = filter.getCluster().getRexBuilder();
 final RexNode condition = RexUtil.pullFactors(rexBuilder, filter.getCondition());
 // 1. We try to transform possible candidates
 RexTransformIntoInClause transformIntoInClause = new RexTransformIntoInClause(rexBuilder, filter,
     minNumORClauses);
 RexNode newCondition = transformIntoInClause.apply(condition);
 // 2. We merge IN expressions
 RexMergeInClause mergeInClause = new RexMergeInClause(rexBuilder);
 newCondition = mergeInClause.apply(newCondition);
 // 3. If we could not transform anything, we bail out
 if (newCondition.toString().equals(condition.toString())) {
  return;
 }
 // 4. We create the filter with the new condition
 RelNode newFilter = filter.copy(filter.getTraitSet(), filter.getInput(), newCondition);
 call.transformTo(newFilter);
}

代码示例来源：origin: apache/incubator-druid

newWhereFilter = whereFilter.copy(
  whereFilter.getTraitSet(),
  whereFilter.getInput(),
  RexUtil.flatten(
    getCluster().getRexBuilder(),

代码示例来源：origin: apache/drill

public void onMatch(RelOptRuleCall call) {
    final Filter filter = call.rel(0);
    //final RelBuilder builder = call.builder();
    //TODO: replace HiveSubQRemoveRelBuilder with calcite's once calcite 1.11.0 is released
    final HiveSubQRemoveRelBuilder builder = new HiveSubQRemoveRelBuilder(null, call.rel(0).getCluster(), null);
    final RexSubQuery e =
        RexUtil.SubQueryFinder.find(filter.getCondition());
    assert e != null;
    final RelOptUtil.Logic logic =
        LogicVisitor.find(RelOptUtil.Logic.TRUE,
            ImmutableList.of(filter.getCondition()), e);
    builder.push(filter.getInput());
    final int fieldCount = builder.peek().getRowType().getFieldCount();
    assert(filter instanceof HiveFilter);
    Set<RelNode> corrScalarQueries = filter.getCluster().getPlanner().getContext().unwrap(Set.class);
    boolean isCorrScalarQuery = corrScalarQueries.contains(e.rel);
    final RexNode target = apply(e, HiveFilter.getVariablesSet(e), logic,
        builder, 1, fieldCount, isCorrScalarQuery);
    final RexShuttle shuttle = new ReplaceSubQueryShuttle(e, target);
    builder.filter(shuttle.apply(filter.getCondition()));
    builder.project(fields(builder, filter.getRowType().getFieldCount()));
    call.transformTo(builder.build());
  }
};

代码示例来源：origin: apache/hive

LogicVisitor.find(RelOptUtil.Logic.TRUE,
    ImmutableList.of(filter.getCondition()), e);
builder.push(filter.getInput());
final int fieldCount = builder.peek().getRowType().getFieldCount();

代码示例来源：origin: apache/drill

final MutableRel input = toMutable(filter.getInput());
return MutableFilter.of(input, filter.getCondition());

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