class PaperTrail::Queries::Versions::WhereObjectChangesFrom
For public API documentation, see ‘where_object_changes_from` in `paper_trail/version_concern.rb`. @api private
Public Class Methods
new(version_model_class, attributes)
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-
version_model_class - The class that
VersionConcern
was mixed into. -
attributes - A ‘Hash` of attributes and values. See the public API documentation for details.
@api private
# File lib/paper_trail/queries/versions/where_object_changes_from.rb, line 14 def initialize(version_model_class, attributes) @version_model_class = version_model_class @attributes = attributes end
Public Instance Methods
execute()
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@api private
# File lib/paper_trail/queries/versions/where_object_changes_from.rb, line 20 def execute if PaperTrail.config.object_changes_adapter.respond_to?(:where_object_changes_from) return PaperTrail.config.object_changes_adapter.where_object_changes_from( @version_model_class, @attributes ) end column_type = @version_model_class.columns_hash["object_changes"].type case column_type when :jsonb, :json json else raise UnsupportedColumnType.new( method: "where_object_changes_from", expected: "json or jsonb", actual: column_type ) end end
Private Instance Methods
json()
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@api private
# File lib/paper_trail/queries/versions/where_object_changes_from.rb, line 42 def json predicates = [] values = [] @attributes.each do |field, value| predicates.push( "(object_changes->>? ILIKE ?)" ) values.concat([field, "[#{value.to_json},%"]) end sql = predicates.join(" and ") @version_model_class.where(sql, *values) end