2017-02-13 13:58:58 -05:00
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# frozen_string_literal: true
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2018-02-24 01:45:50 -05:00
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2018-02-24 02:41:47 -05:00
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module Arel # :nodoc: all
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2010-12-07 14:44:32 -05:00
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###
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# Methods for creating various nodes
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module FactoryMethods
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2011-05-30 23:40:11 -04:00
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def create_true
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Arel::Nodes::True.new
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end
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def create_false
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Arel::Nodes::False.new
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end
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2018-02-24 01:45:50 -05:00
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def create_table_alias(relation, name)
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2011-03-30 12:54:23 -04:00
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Nodes::TableAlias.new(relation, name)
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end
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2018-02-24 01:45:50 -05:00
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def create_join(to, constraint = nil, klass = Nodes::InnerJoin)
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2010-12-14 12:43:19 -05:00
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klass.new(to, constraint)
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2010-12-07 14:44:32 -05:00
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end
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2010-12-07 17:59:13 -05:00
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2018-02-24 01:45:50 -05:00
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def create_string_join(to)
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2010-12-14 13:22:39 -05:00
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create_join to, nil, Nodes::StringJoin
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2010-12-07 17:59:13 -05:00
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end
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2010-12-09 18:42:29 -05:00
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2018-02-24 01:45:50 -05:00
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def create_and(clauses)
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2010-12-09 18:42:29 -05:00
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Nodes::And.new clauses
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end
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2010-12-10 17:45:38 -05:00
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2018-02-24 01:45:50 -05:00
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def create_on(expr)
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2010-12-10 17:45:38 -05:00
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Nodes::On.new expr
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end
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2010-12-26 21:56:07 -05:00
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2018-02-24 01:45:50 -05:00
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def grouping(expr)
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2010-12-26 21:56:07 -05:00
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Nodes::Grouping.new expr
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end
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2011-04-25 15:01:22 -04:00
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###
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# Create a LOWER() function
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2018-02-24 01:45:50 -05:00
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def lower(column)
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Nodes::NamedFunction.new "LOWER", [Nodes.build_quoted(column)]
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2011-04-25 15:01:22 -04:00
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end
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2010-12-07 14:44:32 -05:00
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end
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end
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