Class: ArelExtensions::Nodes::DateDiff
- Defined in:
- lib/arel_extensions/nodes/date_diff.rb
Overview
difference entre colonne date et date string/date
Constant Summary collapse
- RETURN_TYPE =
by default…
:integer
Instance Attribute Summary collapse
-
#left_node_type ⇒ Object
Returns the value of attribute left_node_type.
-
#right_node_type ⇒ Object
Returns the value of attribute right_node_type.
Instance Method Summary collapse
-
#initialize(expr) ⇒ DateDiff
constructor
A new instance of DateDiff.
Methods inherited from Function
#!=, #==, #as, #convert_to_date_node, #convert_to_datetime_node, #convert_to_node, #convert_to_number, #convert_to_string_node, #expr, #left, #return_type, #right, #type_of_attribute
Methods included from Predications
#cast, #convert_to_node, #imatches, #in, #matches, #not_in, #when
Constructor Details
#initialize(expr) ⇒ DateDiff
Returns a new instance of DateDiff.
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# File 'lib/arel_extensions/nodes/date_diff.rb', line 11 def initialize(expr) res = [] col = expr.first case col when Arel::Nodes::Node, Arel::Attributes::Attribute @left_node_type = type_of_attribute(col) when Date @left_node_type = :ruby_date when DateTime, Time @left_node_type = :ruby_time end res << ([:date, :ruby_date].include?(@left_node_type) ? convert_to_date_node(col) : convert_to_datetime_node(col)) case expr[1] when Arel::Nodes::Node, Arel::Attributes::Attribute @right_node_type = type_of_attribute(expr[1]) when Date @right_node_type = :ruby_date when DateTime, Time @right_node_type = :ruby_time end res << ([:date, :ruby_date].include?(@left_node_type) ? convert_to_date_node(expr[1]) : convert_to_datetime_node(expr[1])) super res end |
Instance Attribute Details
#left_node_type ⇒ Object
Returns the value of attribute left_node_type.
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# File 'lib/arel_extensions/nodes/date_diff.rb', line 6 def left_node_type @left_node_type end |
#right_node_type ⇒ Object
Returns the value of attribute right_node_type.
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# File 'lib/arel_extensions/nodes/date_diff.rb', line 7 def right_node_type @right_node_type end |