2017-02-13 18:58:58 +00:00
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# frozen_string_literal: true
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2018-02-24 06:45:50 +00:00
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require "arel/errors"
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require "arel/crud"
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require "arel/factory_methods"
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require "arel/expressions"
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require "arel/predications"
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2020-10-30 17:11:19 +00:00
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require "arel/filter_predications"
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2018-02-24 06:45:50 +00:00
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require "arel/window_predications"
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require "arel/math"
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require "arel/alias_predication"
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require "arel/order_predications"
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require "arel/table"
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2019-06-15 14:50:45 +00:00
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require "arel/attributes/attribute"
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2018-02-24 06:45:50 +00:00
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require "arel/visitors"
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require "arel/collectors/sql_string"
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require "arel/tree_manager"
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require "arel/insert_manager"
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require "arel/select_manager"
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require "arel/update_manager"
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require "arel/delete_manager"
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require "arel/nodes"
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2010-08-12 21:55:31 +00:00
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2019-09-26 23:37:42 +00:00
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module Arel
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2018-02-24 06:45:50 +00:00
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VERSION = "10.0.0"
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2010-09-26 23:06:37 +00:00
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2019-09-26 23:37:42 +00:00
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# Wrap a known-safe SQL string for passing to query methods, e.g.
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#
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2021-08-06 21:58:38 +00:00
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# Post.order(Arel.sql("REPLACE(title, 'misc', 'zzzz') asc")).pluck(:id)
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2019-09-26 23:37:42 +00:00
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#
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# Great caution should be taken to avoid SQL injection vulnerabilities.
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# This method should not be used with unsafe values such as request
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# parameters or model attributes.
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2018-02-24 06:45:50 +00:00
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def self.sql(raw_sql)
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2010-09-29 00:08:28 +00:00
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Arel::Nodes::SqlLiteral.new raw_sql
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end
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2010-12-23 02:02:56 +00:00
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2019-09-26 23:37:42 +00:00
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def self.star # :nodoc:
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2018-02-24 06:45:50 +00:00
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sql "*"
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2010-12-23 02:02:56 +00:00
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end
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2018-09-27 19:53:43 +00:00
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2019-09-26 23:37:42 +00:00
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def self.arel_node?(value) # :nodoc:
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2020-03-13 17:48:08 +00:00
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value.is_a?(Arel::Nodes::Node) || value.is_a?(Arel::Attribute) || value.is_a?(Arel::Nodes::SqlLiteral)
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2018-09-27 19:53:43 +00:00
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end
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2019-11-13 22:35:28 +00:00
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def self.fetch_attribute(value, &block) # :nodoc:
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2020-03-10 17:20:32 +00:00
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unless String === value
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value.fetch_attribute(&block)
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2018-05-06 17:26:31 +00:00
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end
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end
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2010-09-26 23:06:37 +00:00
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end
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