class_docstr: Builds a dataflow plan to satisfy a given query.
class_docstr_tok: ["Builds","a","dataflow","plan","to","satisfy","a","given","query","."]
docstr: Builds a node to compute a metric that is not defined from other metrics.
docstr_tok: ["Builds","a","node","to","compute","a","metric","that","is","not","defined","from","other","metrics","."]
code: def _build_base_metric_output_node(
      self,
      metric_spec: MetricSpec,
      queried_linkable_specs: LinkableSpecSet,
      filter_spec_factory: WhereSpecFactory,
      time_range_constraint: Optional[TimeRangeConstraint] = None,
  ) -> ComputeMetricsNode:
      """Builds a node to compute a metric that is not defined from other metrics."""
      metric_reference = metric_spec.reference
      metric = self._metric_lookup.get_metric(metric_reference)
      metric_input_measure_spec = self._build_input_measure_spec_for_base_metric(
          filter_spec_factory=filter_spec_factory,
          metric_reference=metric_reference,
          query_contains_metric_time=queried_linkable_specs.contains_metric_time,
          child_metric_offset_window=metric_spec.offset_window,
          child_metric_offset_to_grain=metric_spec.offset_to_grain,
          culmination_description=CumulativeMeasureDescription(
              cumulative_window=metric.type_params.window,
              cumulative_grain_to_date=metric.type_params.grain_to_date,
          )
          if metric.type is MetricType.CUMULATIVE
          else None,
          descendent_filter_specs=metric_spec.filter_specs,
      )
  
      logger.info(
          f"For {metric_spec}, needed measure is:\n"
          f"{pformat_big_objects(metric_input_measure_spec=metric_input_measure_spec)}"
      )
  
      aggregated_measures_node = self.build_aggregated_measure(
          metric_input_measure_spec=metric_input_measure_spec,
          queried_linkable_specs=queried_linkable_specs,
          time_range_constraint=time_range_constraint,
      )
      return self.build_computed_metrics_node(
          metric_spec=metric_spec,
          aggregated_measures_node=aggregated_measures_node,
      )
  
imports: from __future__ import annotations
  import logging
  import time
  from dataclasses import dataclass
  from typing import Dict, List, Optional, Sequence, Set, Tuple, Union
  from dbt_semantic_interfaces.enum_extension import assert_values_exhausted
  from dbt_semantic_interfaces.implementations.metric import PydanticMetricTimeWindow
  from dbt_semantic_interfaces.pretty_print import pformat_big_objects
  from dbt_semantic_interfaces.protocols.metric import ConstantPropertyInput, ConversionTypeParams, MetricInputMeasure, MetricTimeWindow, MetricType
  from dbt_semantic_interfaces.references import MeasureReference, MetricReference, TimeDimensionReference
  from dbt_semantic_interfaces.type_enums.time_granularity import TimeGranularity
  from dbt_semantic_interfaces.validations.unique_valid_name import MetricFlowReservedKeywords
  from metricflow.dag.id_generation import DATAFLOW_PLAN_PREFIX, IdGeneratorRegistry
  from metricflow.dataflow.builder.node_data_set import DataflowPlanNodeOutputDataSetResolver
  from metricflow.dataflow.builder.node_evaluator import JoinLinkableInstancesRecipe, LinkableInstanceSatisfiabilityEvaluation, NodeEvaluatorForLinkableInstances
  from metricflow.dataflow.dataflow_plan import AddGeneratedUuidColumnNode, AggregateMeasuresNode, BaseOutput, CombineAggregatedOutputsNode, ComputeMetricsNode, ConstrainTimeRangeNode, DataflowPlan, FilterElementsNode, JoinConversionEventsNode, JoinDescription, JoinOverTimeRangeNode, JoinToBaseOutputNode, JoinToTimeSpineNode, MinMaxNode, OrderByLimitNode, ReadSqlSourceNode, SemiAdditiveJoinNode, SinkOutput, WhereConstraintNode, WriteToResultDataframeNode, WriteToResultTableNode
  from metricflow.dataflow.dataflow_plan_to_text import dataflow_dag_as_text
  from metricflow.dataflow.optimizer.dataflow_plan_optimizer import DataflowPlanOptimizer
  from metricflow.dataflow.sql_table import SqlTable
  from metricflow.dataset.dataset import DataSet
  from metricflow.errors.errors import UnableToSatisfyQueryError
  from metricflow.filters.time_constraint import TimeRangeConstraint
  from metricflow.mf_logging.pretty_print import mf_pformat
  from metricflow.mf_logging.runtime import log_runtime
  from metricflow.model.semantic_manifest_lookup import SemanticManifestLookup
  from metricflow.plan_conversion.column_resolver import DunderColumnAssociationResolver
  from metricflow.plan_conversion.node_processor import PreJoinNodeProcessor
  from metricflow.query.group_by_item.filter_spec_resolution.filter_location import WhereFilterLocation
  from metricflow.query.group_by_item.filter_spec_resolution.filter_spec_lookup import FilterSpecResolutionLookUp
  from metricflow.specs.column_assoc import ColumnAssociationResolver
  from metricflow.specs.specs import ConstantPropertySpec, CumulativeMeasureDescription, EntitySpec, InstanceSpecSet, JoinToTimeSpineDescription, LinkableInstanceSpec, LinkableSpecSet, LinklessEntitySpec, MeasureSpec, MetadataSpec, MetricFlowQuerySpec, MetricInputMeasureSpec, MetricSpec, NonAdditiveDimensionSpec, OrderBySpec, TimeDimensionSpec, WhereFilterSpec
  from metricflow.specs.where_filter_transform import WhereSpecFactory
  from metricflow.sql.sql_plan import SqlJoinType
label_desc: Use image node_id 6 for calling the DataflowPlanBuilder obj's underlying member method code with example usage: obj._build_base_metric_output_node(metric_spec, queried_linkable_specs, filter_spec_factory, time_range_constraint) and returns: self