method
table_has_constraints_or_dependencies?
v1.2.6 -
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Class: ActiveRecord::ConnectionAdapters::FirebirdAdapter
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table_has_constraints_or_dependencies?(table_name)
private
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# File activerecord/lib/active_record/connection_adapters/firebird_adapter.rb, line 701 def table_has_constraints_or_dependencies?(table_name) table_name = table_name.to_s.upcase sql = "SELECT 1 FROM rdb$relation_constraints\nWHERE rdb$relation_name = '\#{table_name}'\nAND rdb$constraint_type IN ('UNIQUE', 'FOREIGN KEY', 'CHECK')\nUNION\nSELECT 1 FROM rdb$dependencies\nWHERE rdb$depended_on_name = '\#{table_name}'\nAND rdb$depended_on_type = 0\n" !select(sql).empty? end