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-rw-r--r--lib/arel/predicates.rb81
1 files changed, 0 insertions, 81 deletions
diff --git a/lib/arel/predicates.rb b/lib/arel/predicates.rb
deleted file mode 100644
index b639022b4e..0000000000
--- a/lib/arel/predicates.rb
+++ /dev/null
@@ -1,81 +0,0 @@
-module Arel
- class Predicate
- def or(other_predicate)
- Or.new(self, other_predicate)
- end
-
- def and(other_predicate)
- And.new(self, other_predicate)
- end
- end
-
- class Binary < Predicate
- attributes :operand1, :operand2
- deriving :initialize
-
- def ==(other)
- self.class === other and
- @operand1 == other.operand1 and
- @operand2 == other.operand2
- end
-
- def bind(relation)
- self.class.new(operand1.find_correlate_in(relation), operand2.find_correlate_in(relation))
- end
-
- def to_sql(formatter = nil)
- "#{operand1.to_sql} #{predicate_sql} #{operand1.format(operand2)}"
- end
- alias_method :to_s, :to_sql
- end
-
- class CompoundPredicate < Binary
- def to_sql(formatter = nil)
- "(#{operand1.to_sql(formatter)} #{predicate_sql} #{operand2.to_sql(formatter)})"
- end
- end
-
- class Or < CompoundPredicate
- def predicate_sql; "OR" end
- end
-
- class And < CompoundPredicate
- def predicate_sql; "AND" end
- end
-
- class Equality < Binary
- def ==(other)
- Equality === other and
- ((operand1 == other.operand1 and operand2 == other.operand2) or
- (operand1 == other.operand2 and operand2 == other.operand1))
- end
-
- def predicate_sql
- operand2.equality_predicate_sql
- end
- end
-
- class GreaterThanOrEqualTo < Binary
- def predicate_sql; '>=' end
- end
-
- class GreaterThan < Binary
- def predicate_sql; '>' end
- end
-
- class LessThanOrEqualTo < Binary
- def predicate_sql; '<=' end
- end
-
- class LessThan < Binary
- def predicate_sql; '<' end
- end
-
- class Match < Binary
- def predicate_sql; 'LIKE' end
- end
-
- class In < Binary
- def predicate_sql; operand2.inclusion_predicate_sql end
- end
-end