Class: Polars::QueryOptFlags

Inherits:
Object
  • Object
show all
Defined in:
lib/polars/query_opt_flags.rb

Overview

Note:

This functionality is considered unstable. It may be changed at any point without it being considered a breaking change.

The set of the optimizations considered during query optimization.

Instance Method Summary collapse

Constructor Details

#initialize(predicate_pushdown: nil, projection_pushdown: nil, simplify_expression: nil, slice_pushdown: nil, comm_subplan_elim: nil, comm_subexpr_elim: nil, cluster_with_columns: nil, collapse_joins: nil, check_order_observe: nil, fast_projection: nil) ⇒ QueryOptFlags

Returns a new instance of QueryOptFlags.



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# File 'lib/polars/query_opt_flags.rb', line 8

def initialize(
  predicate_pushdown: nil,
  projection_pushdown: nil,
  simplify_expression: nil,
  slice_pushdown: nil,
  comm_subplan_elim: nil,
  comm_subexpr_elim: nil,
  cluster_with_columns: nil,
  collapse_joins: nil,
  check_order_observe: nil,
  fast_projection: nil
)
  @_rboptflags = RbOptFlags.default
  update(
    predicate_pushdown: predicate_pushdown,
    projection_pushdown: projection_pushdown,
    simplify_expression: simplify_expression,
    slice_pushdown: slice_pushdown,
    comm_subplan_elim: comm_subplan_elim,
    comm_subexpr_elim: comm_subexpr_elim,
    cluster_with_columns: cluster_with_columns,
    collapse_joins: collapse_joins,
    check_order_observe: check_order_observe,
    fast_projection: fast_projection
  )
end

Instance Method Details

#update(predicate_pushdown: nil, projection_pushdown: nil, simplify_expression: nil, slice_pushdown: nil, comm_subplan_elim: nil, comm_subexpr_elim: nil, cluster_with_columns: nil, collapse_joins: nil, check_order_observe: nil, fast_projection: nil) ⇒ Object

Raises:

  • (Todo) 


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# File 'lib/polars/query_opt_flags.rb', line 35

def update(
  predicate_pushdown: nil,
  projection_pushdown: nil,
  simplify_expression: nil,
  slice_pushdown: nil,
  comm_subplan_elim: nil,
  comm_subexpr_elim: nil,
  cluster_with_columns: nil,
  collapse_joins: nil,
  check_order_observe: nil,
  fast_projection: nil
)
  raise Todo
end