method

remove_index

v7.1.3.4 - Show latest stable - 0 notes - Class: SchemaStatements

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remove_index(table_name, column_name = nil, **options) public

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# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 489
        def remove_index(table_name, column_name = nil, **options) # :nodoc:
          table = Utils.extract_schema_qualified_name(table_name.to_s)

          if options.key?(:name)
            provided_index = Utils.extract_schema_qualified_name(options[:name].to_s)

            options[:name] = provided_index.identifier
            table = PostgreSQL::Name.new(provided_index.schema, table.identifier) unless table.schema.present?

            if provided_index.schema.present? && table.schema != provided_index.schema
              raise ArgumentError.new("Index schema '#{provided_index.schema}' does not match table schema '#{table.schema}'")
            end
          end

          return if options[:if_exists] && !index_exists?(table_name, column_name, **options)

          index_to_remove = PostgreSQL::Name.new(table.schema, index_name_for_remove(table.to_s, column_name, options))

          execute "DROP INDEX #{index_algorithm(options[:algorithm])} #{quote_table_name(index_to_remove)}"
        end

remove_index

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