module QueryBuilder::CQL::Modifiers::Selected
Provides the list of selected columns for SELECT statement
Public Instance Methods
select(*values)
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Adds a column
@param [Array] values
@return [QueryBuilder::Core::Statement] updated statement
# File lib/query_builder/cql/modifiers/selected.rb, line 17 def select(*values) return self if values.empty? hash = values.last.instance_of?(Hash) ? values.pop : {} list = values.map { |name| Clause.new(name: name) } list += hash.map { |as, name| Clause.new(name: name, as: as) } list.inject(self, :<<) end
Private Instance Methods
maybe_selected()
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# File lib/query_builder/cql/modifiers/selected.rb, line 27 def maybe_selected list = clauses(:selected) list.any? ? list.join(", ") : "*" end