Пример #1
0
        /// <summary>
        /// Clones the options and sets the optimizer statistics package to the given value.
        /// </summary>
        /// <returns>
        /// A clone of the options with the updated optimizer statistics package.
        /// </returns>
        /// <remarks>
        /// <para>The parameter allows individual queries to pick different query
        /// optimizer statistics packages.</para>
        /// <para>Specifying "latest" as a value instructs Cloud Spanner to use the
        /// latest supported query optimizer statistics package. If not specified,
        /// Cloud Spanner uses the optimizer statistics package set at the database
        /// level options. Any other supported statistics package value overrides
        /// the default optimizer statistics package for query execution.</para>
        /// </remarks>
        /// <param name="optimizerStatisticsPackage">Optimizer statistics package to set.</param>
        public QueryOptions WithOptimizerStatisticsPackage(string optimizerStatisticsPackage)
        {
            var protoCopy = Proto.Clone();

            protoCopy.OptimizerStatisticsPackage = optimizerStatisticsPackage;
            return(new QueryOptions(protoCopy));
        }
Пример #2
0
        /// <summary>
        /// Clones the options and sets the optimizer version to the given value.
        /// </summary>
        /// <returns>
        /// A clone of the options with the updated optimizer version.
        /// </returns>
        /// <remarks>
        /// <para>The parameter allows individual queries to pick different query
        /// optimizer versions.</para>
        /// <para>Specifying "latest" as a value instructs Cloud Spanner to use the
        /// latest supported query optimizer version. If not specified, Cloud Spanner
        /// uses optimizer version set at the database level options. Any other
        /// positive integer (from the list of supported optimizer versions)
        /// overrides the default optimizer version for query execution.</para>
        /// </remarks>
        /// <param name="optimizerVersion">Optimizer version to set.</param>
        public QueryOptions WithOptimizerVersion(string optimizerVersion)
        {
            var protoCopy = Proto.Clone();

            protoCopy.OptimizerVersion = optimizerVersion;
            return(new QueryOptions(protoCopy));
        }