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module Arel
module Visitors
class PostgreSQL < Arel::Visitors::ToSql
private
def visit_Arel_Nodes_Lock o
visit o.expr
end
def visit_Arel_Nodes_Matches o
"#{visit o.left} ILIKE #{visit o.right}"
end
def visit_Arel_Nodes_DoesNotMatch o
"#{visit o.left} NOT ILIKE #{visit o.right}"
end
def visit_Arel_Nodes_DistinctOn o
"DISTINCT ON ( #{visit o.expr} )"
end
end
end
end
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