Class: ParamsReady::Query::ExistsPredicateBuilder

Inherits:
Builder show all
Includes:
GroupingLike, HavingArelTable, Parameter::AbstractStructParameterBuilder::StructLike
Defined in:
lib/params_ready/query/exists_predicate.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Parameter::AbstractStructParameterBuilder::StructLike

#add

Methods inherited from Builder

#helper

Methods inherited from AbstractBuilder

#build, builder, define_parameter, define_registered_parameter, #fetch, fetch_builder, #include, #initialize, #open?, register, register_deprecated, resolve

Methods included from Extensions::Registry

#human_string, #registry

Constructor Details

This class inherits a constructor from ParamsReady::AbstractBuilder

Class Method Details

.instance(name, altn: nil, coll: nil) ⇒ Object 



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# File 'lib/params_ready/query/exists_predicate.rb', line 64

def self.instance(name, altn: nil, coll: nil)
  new ExistsPredicateDefinition.new(name, altn: altn, path_to_collection: Array(coll))
end

Instance Method Details

#existence(&block) ⇒ Object 



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# File 'lib/params_ready/query/exists_predicate.rb', line 77

def existence(&block)
  definition = Builder.define_symbol(:existence, altn: :ex) do
    constrain :enum, [:some, :none]
    include &block
  end
  add definition
end

#outer_table(arel_table) ⇒ Object 



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# File 'lib/params_ready/query/exists_predicate.rb', line 73

def outer_table(arel_table)
  @definition.set_outer_table arel_table
end

#related(on: nil, eq: nil, &block) ⇒ Object 



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# File 'lib/params_ready/query/exists_predicate.rb', line 68

def related(on: nil, eq: nil, &block)
  join_statement = JoinStatement::Builder.new(on: on, eq: eq, &block)
  @definition.set_related(join_statement.build)
end