Class: ConceptQL::Operators::Numeric
- Defined in:
- lib/conceptql/operators/numeric.rb
Overview
Represents a operator that will either:
-
create a value_as_number value for every person in the database
-
change the value_as_number value for every every result passed in
-
either to a number
-
or a value from a column in the origin row
-
Accepts two params:
-
Either a number value or a symbol representing a column name
-
An optional stream
Instance Attribute Summary
Attributes inherited from Operator
#arguments, #errors, #nodifier, #options, #upstreams, #values
Instance Method Summary collapse
Methods inherited from Operator
#annotate, #cast_column, #code_list, codes_should_match, #columns, #create_upstreams, #data_model, #database_type, default_query_columns, #dup_values, #dynamic_columns, #evaluate, inherited, #initialize, #inspect, #label, new, #operator_name, #optimized, query_columns, register, require_column, #required_columns, #scope, #select_it, #setup_select, #sql, #stream, #to_op, #unionable?, #upstreams_valid?, #valid?
Methods included from Metadatable
#allows_many_upstreams, #allows_one_upstream, #argument, #auto_label, #basic_type, #category, #derive_metadata_from_validations, #desc, #get_desc, #humanized_class_name, #inherited, #just_class_name, #no_desc, #option, #predominant_domains, #pref_name, #preferred_name, #reset_categories, #standard_description, #to_metadata, #validate_at_least_one_upstream_to_metadata, #validate_at_most_one_upstream_to_metadata, #validate_no_arguments_to_metadata, #validate_no_upstreams_to_metadata, #validate_one_upstream_to_metadata, #validate_required_options_to_metadata, #warn_about_missing_metadata
Constructor Details
This class inherits a constructor from ConceptQL::Operators::Operator
Instance Method Details
#domains(db) ⇒ Object
43 44 45 |
# File 'lib/conceptql/operators/numeric.rb', line 43 def domains(db) stream.nil? ? [:person] : super end |
#query(db) ⇒ Object
39 40 41 |
# File 'lib/conceptql/operators/numeric.rb', line 39 def query(db) stream.nil? ? as_criterion(db) : with_kids(db) end |
#query_cols ⇒ Object
35 36 37 |
# File 'lib/conceptql/operators/numeric.rb', line 35 def query_cols dynamic_columns - [:value_as_number] + [:value_as_number] end |