Class: Olap::QueryBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/olap4r/query_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ QueryBuilder

Returns a new instance of QueryBuilder.



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# File 'lib/olap4r/query_builder.rb', line 3

def initialize
  @select = {:columns => [], :rows => []}
  @from = nil
  @conditions = []
end

Instance Method Details

#from(cube) ⇒ Object 



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# File 'lib/olap4r/query_builder.rb', line 14

def from cube
  @from = cube
  self
end

#select(axis, *fields) ⇒ Object 



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# File 'lib/olap4r/query_builder.rb', line 9

def select axis, *fields
  fields.flatten.each { |field| @select[axis] << field_as_string(field) }
  self
end

#to_s ⇒ Object 



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# File 'lib/olap4r/query_builder.rb', line 24

def to_s
  build_query
end

#where(*conditions) ⇒ Object 



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# File 'lib/olap4r/query_builder.rb', line 19

def where *conditions
  conditions.flatten.each { |condition| @conditions << condition }
  self
end