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method

view_exists?

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v5.0.0.1 - Show latest stable - 0 notes - Class: SchemaStatements
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view_exists?(view_name) public

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 131
        def view_exists?(view_name) # :nodoc:
          name = Utils.extract_schema_qualified_name(view_name.to_s)
          return false unless name.identifier

          select_values(            SELECT c.relname            FROM pg_class c            LEFT JOIN pg_namespace n ON n.oid = c.relnamespace            WHERE c.relkind IN ('v','m') -- (v)iew, (m)aterialized view            AND c.relname = '#{name.identifier}'            AND n.nspname = #{name.schema ? "'#{name.schema}'" : 'ANY (current_schemas(false))'}, 'SCHEMA').any?
        end
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