/// <summary>
/// Initializes a new instance of <see cref="SpannerCommand"/>.
/// </summary>
/// <param name="connection">The <see cref="SpannerConnection"/> that is
/// associated with this <see cref="SpannerCommand"/>. Must not be null.</param>
/// <param name="transaction">The <see cref="SpannerTransaction"/>
/// used when creating the <see cref="CommandPartition"/>.
/// </param>
/// <param name="commandPartition">
/// The partition which this command is restricted to.
/// See <see cref="SpannerConnection.BeginReadOnlyTransaction(TransactionId)"/>
/// </param>
public SpannerCommand(
SpannerConnection connection,
SpannerTransaction transaction,
CommandPartition commandPartition)
: this(connection, transaction, null, commandPartition)
{
GaxPreconditions.CheckNotNull(connection, nameof(connection));
GaxPreconditions.CheckNotNull(transaction, nameof(transaction));
GaxPreconditions.CheckNotNull(commandPartition, nameof(commandPartition));
SpannerCommandTextBuilder = SpannerCommandTextBuilder.FromCommandText(commandPartition.ExecuteSqlRequest.Sql);
}
private SpannerCommand(
SpannerConnection connection,
SpannerTransaction transaction,
SpannerParameterCollection parameters,
CommandPartition commandPartition) : this(connection)
{
_transaction = transaction;
Partition = commandPartition;
if (parameters != null)
{
Parameters = parameters;
}
}
/// <summary>
/// Initializes a new instance of <see cref="SpannerCommand"/>.
/// </summary>
/// <param name="connection">The <see cref="SpannerConnection"/> that is
/// associated with this <see cref="SpannerCommand"/>. Must not be null.</param>
/// <param name="transaction">The <see cref="SpannerTransaction"/>
/// used when creating the <see cref="CommandPartition"/>.
/// </param>
/// <param name="commandPartition">
/// The partition which this command is restricted to.
/// See <see cref="SpannerConnection.BeginReadOnlyTransaction(TransactionId)"/>
/// </param>
public SpannerCommand(
SpannerConnection connection,
SpannerTransaction transaction,
CommandPartition commandPartition)
: this(connection, transaction, null, commandPartition)
{
GaxPreconditions.CheckNotNull(connection, nameof(connection));
GaxPreconditions.CheckNotNull(transaction, nameof(transaction));
GaxPreconditions.CheckNotNull(commandPartition, nameof(commandPartition));
SpannerCommandTextBuilder = commandPartition.Request.IsQuery
? SpannerCommandTextBuilder.FromCommandText(commandPartition.Request.ExecuteSqlRequest.Sql)
: SpannerCommandTextBuilder.CreateReadTextBuilder(
commandPartition.Request.ReadRequest.Table,
ReadOptions.FromColumns(commandPartition.Request.ReadRequest.Columns));
}