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module Arel
module Visitors
class PostgreSQL < Arel::Visitors::ToSql
private
def visit_Arel_Nodes_Matches o, collector
infix_value o, collector, ' ILIKE '
end
def visit_Arel_Nodes_DoesNotMatch o, collector
infix_value o, collector, ' NOT ILIKE '
end
def visit_Arel_Nodes_Regexp o, collector
infix_value o, collector, ' ~ '
end
def visit_Arel_Nodes_NotRegexp o, collector
infix_value o, collector, ' !~ '
end
def visit_Arel_Nodes_DistinctOn o, collector
collector << "DISTINCT ON ( "
visit(o.expr, collector) << " )"
end
end
end
end
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