+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
# Mixin module providing a method to convert filters into a list of SQL
# fragments suitable to be fed to ActiveRecord #where.
#
# model_class
# Operates on:
# @objects
+
+require 'safe_json'
+
module RecordFilters
# Input:
# +filters+ array of conditions, each being [column, operator, operand]
- # +ar_table_name+ name of SQL table
+ # +model_class+ subclass of ActiveRecord being filtered
#
# Output:
- # Hash with two keys:
+ # Hash with the following keys:
# :cond_out array of SQL fragments for each filter expression
- # :param_out array of values for parameter substitution in cond_out
- def record_filters filters, ar_table_name
- cond_out = []
+ # :param_out array of values for parameter substitution in cond_out
+ # :joins array of joins: either [] or ["JOIN containers ON ..."]
+ def record_filters filters, model_class
+ conds_out = []
param_out = []
+ joins = []
+ model_table_name = model_class.table_name
filters.each do |filter|
- attr, operator, operand = filter
+ attrs_in, operator, operand = filter
+ if attrs_in == 'any' && operator != '@@'
+ attrs = model_class.searchable_columns(operator)
+ elsif attrs_in.is_a? Array
+ attrs = attrs_in
+ else
+ attrs = [attrs_in]
+ end
if !filter.is_a? Array
raise ArgumentError.new("Invalid element in filters array: #{filter.inspect} is not an array")
elsif !operator.is_a? String
raise ArgumentError.new("Invalid operator '#{operator}' (#{operator.class}) in filter")
- elsif !model_class.searchable_columns(operator).index attr.to_s
- raise ArgumentError.new("Invalid attribute '#{attr}' in filter")
end
- case operator.downcase
- when '=', '<', '<=', '>', '>=', '!=', 'like'
- if operand.is_a? String
- if operator == '!='
- operator = '<>'
+
+ cond_out = []
+
+ if attrs_in == 'any' && (operator.casecmp('ilike').zero? || operator.casecmp('like').zero?) && (operand.is_a? String) && operand.match('^[%].*[%]$')
+ # Trigram index search
+ cond_out << model_class.full_text_trgm + " #{operator} ?"
+ param_out << operand
+ # Skip the generic per-column operator loop below
+ attrs = []
+ end
+
+ if operator == '@@'
+ # Full-text search
+ if attrs_in != 'any'
+ raise ArgumentError.new("Full text search on individual columns is not supported")
+ end
+ if operand.is_a? Array
+ raise ArgumentError.new("Full text search not supported for array operands")
+ end
+
+ # Skip the generic per-column operator loop below
+ attrs = []
+ # Use to_tsquery since plainto_tsquery does not support prefix
+ # search. And, split operand and join the words with ' & '
+ cond_out << model_class.full_text_tsvector+" @@ to_tsquery(?)"
+ param_out << operand.split.join(' & ')
+ end
+ attrs.each do |attr|
+ subproperty = attr.split(".", 2)
+
+ if subproperty.length == 2 && subproperty[0] == 'container' && model_table_name == "container_requests"
+ # attr is "tablename.colname" -- e.g., ["container.state", "=", "Complete"]
+ joins = ["JOIN containers ON container_requests.container_uuid = containers.uuid"]
+ attr_model_class = Container
+ attr_table_name = "containers"
+ subproperty = subproperty[1].split(".", 2)
+ else
+ attr_model_class = model_class
+ attr_table_name = model_table_name
+ end
+
+ attr = subproperty[0]
+ proppath = subproperty[1]
+ col = attr_model_class.columns.select { |c| c.name == attr }.first
+
+ if proppath
+ if col.nil? or col.type != :jsonb
+ raise ArgumentError.new("Invalid attribute '#{attr}' for subproperty filter")
+ end
+
+ if proppath[0] == "<" and proppath[-1] == ">"
+ proppath = proppath[1..-2]
+ end
+
+ # jsonb search
+ case operator.downcase
+ when '=', '!='
+ not_in = if operator.downcase == "!=" then "NOT " else "" end
+ cond_out << "#{not_in}(#{attr_table_name}.#{attr} @> ?::jsonb)"
+ param_out << SafeJSON.dump({proppath => operand})
+ when 'in'
+ if operand.is_a? Array
+ operand.each do |opr|
+ cond_out << "#{attr_table_name}.#{attr} @> ?::jsonb"
+ param_out << SafeJSON.dump({proppath => opr})
+ end
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when '<', '<=', '>', '>='
+ cond_out << "#{attr_table_name}.#{attr}->? #{operator} ?::jsonb"
+ param_out << proppath
+ param_out << SafeJSON.dump(operand)
+ when 'like', 'ilike'
+ cond_out << "#{attr_table_name}.#{attr}->>? #{operator} ?"
+ param_out << proppath
+ param_out << operand
+ when 'not in'
+ if operand.is_a? Array
+ cond_out << "#{attr_table_name}.#{attr}->>? NOT IN (?) OR #{attr_table_name}.#{attr}->>? IS NULL"
+ param_out << proppath
+ param_out << operand
+ param_out << proppath
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when 'exists'
+ if operand == true
+ cond_out << "jsonb_exists(#{attr_table_name}.#{attr}, ?)"
+ elsif operand == false
+ cond_out << "(NOT jsonb_exists(#{attr_table_name}.#{attr}, ?)) OR #{attr_table_name}.#{attr} is NULL"
+ else
+ raise ArgumentError.new("Invalid operand '#{operand}' for '#{operator}' must be true or false")
+ end
+ param_out << proppath
+ when 'contains'
+ cond_out << "#{attr_table_name}.#{attr} @> ?::jsonb OR #{attr_table_name}.#{attr} @> ?::jsonb"
+ param_out << SafeJSON.dump({proppath => operand})
+ param_out << SafeJSON.dump({proppath => [operand]})
+ else
+ raise ArgumentError.new("Invalid operator for subproperty search '#{operator}'")
end
- cond_out << "#{ar_table_name}.#{attr} #{operator} ?"
- if (# any operator that operates on value rather than
- # representation:
- operator.match(/[<=>]/) and
- model_class.attribute_column(attr).type == :datetime)
- operand = Time.parse operand
+ elsif operator.downcase == "exists"
+ if col.type != :jsonb
+ raise ArgumentError.new("Invalid attribute '#{attr}' for operator '#{operator}' in filter")
end
+
+ cond_out << "jsonb_exists(#{attr_table_name}.#{attr}, ?)"
param_out << operand
- elsif operand.nil? and operator == '='
- cond_out << "#{ar_table_name}.#{attr} is null"
- elsif operand.nil? and operator == '!='
- cond_out << "#{ar_table_name}.#{attr} is not null"
else
- raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
- "for '#{operator}' operator in filters")
- end
- when 'in', 'not in'
- if operand.is_a? Array
- cond_out << "#{ar_table_name}.#{attr} #{operator} (?)"
- param_out << operand
- if operator == 'not in' and not operand.include?(nil)
- # explicitly allow NULL
- cond_out[-1] = "(#{cond_out[-1]} OR #{ar_table_name}.#{attr} IS NULL)"
+ if !attr_model_class.searchable_columns(operator).index attr
+ raise ArgumentError.new("Invalid attribute '#{attr}' in filter")
end
- else
- raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
- "for '#{operator}' operator in filters")
- end
- when 'is_a'
- operand = [operand] unless operand.is_a? Array
- cond = []
- operand.each do |op|
- cl = ArvadosModel::kind_class op
- if cl
- cond << "#{ar_table_name}.#{attr} like ?"
- param_out << cl.uuid_like_pattern
+
+ case operator.downcase
+ when '=', '<', '<=', '>', '>=', '!=', 'like', 'ilike'
+ attr_type = attr_model_class.attribute_column(attr).type
+ operator = '<>' if operator == '!='
+ if operand.is_a? String
+ if attr_type == :boolean
+ if not ['=', '<>'].include?(operator)
+ raise ArgumentError.new("Invalid operator '#{operator}' for " \
+ "boolean attribute '#{attr}'")
+ end
+ case operand.downcase
+ when '1', 't', 'true', 'y', 'yes'
+ operand = true
+ when '0', 'f', 'false', 'n', 'no'
+ operand = false
+ else
+ raise ArgumentError("Invalid operand '#{operand}' for " \
+ "boolean attribute '#{attr}'")
+ end
+ end
+ if operator == '<>'
+ # explicitly allow NULL
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ? OR #{attr_table_name}.#{attr} IS NULL"
+ else
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ end
+ if (# any operator that operates on value rather than
+ # representation:
+ operator.match(/[<=>]/) and (attr_type == :datetime))
+ operand = Time.parse operand
+ end
+ param_out << operand
+ elsif operand.nil? and operator == '='
+ cond_out << "#{attr_table_name}.#{attr} is null"
+ elsif operand.nil? and operator == '<>'
+ cond_out << "#{attr_table_name}.#{attr} is not null"
+ elsif (attr_type == :boolean) and ['=', '<>'].include?(operator) and
+ [true, false].include?(operand)
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ param_out << operand
+ elsif (attr_type == :integer)
+ cond_out << "#{attr_table_name}.#{attr} #{operator} ?"
+ param_out << operand
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when 'in', 'not in'
+ if operand.is_a? Array
+ cond_out << "#{attr_table_name}.#{attr} #{operator} (?)"
+ param_out << operand
+ if operator == 'not in' and not operand.include?(nil)
+ # explicitly allow NULL
+ cond_out[-1] = "(#{cond_out[-1]} OR #{attr_table_name}.#{attr} IS NULL)"
+ end
+ else
+ raise ArgumentError.new("Invalid operand type '#{operand.class}' "\
+ "for '#{operator}' operator in filters")
+ end
+ when 'is_a'
+ operand = [operand] unless operand.is_a? Array
+ cond = []
+ operand.each do |op|
+ cl = ArvadosModel::kind_class op
+ if cl
+ if attr == 'uuid'
+ if attr_model_class.uuid_prefix == cl.uuid_prefix
+ cond << "1=1"
+ else
+ cond << "1=0"
+ end
+ else
+ # Use a substring query to support remote uuids
+ cond << "substring(#{attr_table_name}.#{attr}, 7, 5) = ?"
+ param_out << cl.uuid_prefix
+ end
+ else
+ cond << "1=0"
+ end
+ end
+ cond_out << cond.join(' OR ')
else
- cond << "1=0"
+ raise ArgumentError.new("Invalid operator '#{operator}'")
end
end
- cond_out << cond.join(' OR ')
end
+ conds_out << cond_out.join(' OR ') if cond_out.any?
end
- {:cond_out => cond_out, :param_out => param_out}
+ {:cond_out => conds_out, :param_out => param_out, :joins => joins}
end
end