/// <summary>
/// Writes the SQL fields query.
/// </summary>
private static void WriteSqlFieldsQuery(IBinaryRawWriter writer, SqlFieldsQuery qry,
bool includeColumns = true)
{
Debug.Assert(qry != null);
writer.WriteString(qry.Schema);
writer.WriteInt(qry.PageSize);
writer.WriteInt(-1); // maxRows: unlimited
writer.WriteString(qry.Sql);
QueryBase.WriteQueryArgs(writer, qry.Arguments);
// .NET client does not discern between different statements for now.
// We could have ExecuteNonQuery method, which uses StatementType.Update, for example.
writer.WriteByte((byte)StatementType.Any);
writer.WriteBoolean(qry.EnableDistributedJoins);
writer.WriteBoolean(qry.Local);
#pragma warning disable 618
writer.WriteBoolean(qry.ReplicatedOnly);
#pragma warning restore 618
writer.WriteBoolean(qry.EnforceJoinOrder);
writer.WriteBoolean(qry.Colocated);
writer.WriteBoolean(qry.Lazy);
writer.WriteTimeSpanAsLong(qry.Timeout);
writer.WriteBoolean(includeColumns);
}
/** <inheritDoc /> */
public IQueryCursor <T> QueryFields <T>(SqlFieldsQuery qry, Func <IBinaryRawReader, int, T> readerFunc)
{
IgniteArgumentCheck.NotNull(qry, "qry");
IgniteArgumentCheck.NotNull(readerFunc, "readerFunc");
if (string.IsNullOrEmpty(qry.Sql))
{
throw new ArgumentException("Sql cannot be null or empty");
}
var cursor = DoOutOpObject((int)CacheOp.QrySqlFields, writer =>
{
writer.WriteBoolean(qry.Local);
writer.WriteString(qry.Sql);
writer.WriteInt(qry.PageSize);
QueryBase.WriteQueryArgs(writer, qry.Arguments);
writer.WriteBoolean(qry.EnableDistributedJoins);
writer.WriteBoolean(qry.EnforceJoinOrder);
writer.WriteBoolean(qry.Lazy); // Lazy flag.
writer.WriteInt((int)qry.Timeout.TotalMilliseconds);
writer.WriteBoolean(qry.ReplicatedOnly);
writer.WriteBoolean(qry.Colocated);
writer.WriteString(qry.Schema); // Schema
});
return(new FieldsQueryCursor <T>(cursor, _flagKeepBinary, readerFunc));
}
private IPlatformTargetInternal QueryFieldsInternal(SqlFieldsQuery qry)
{
IgniteArgumentCheck.NotNull(qry, "qry");
if (string.IsNullOrEmpty(qry.Sql))
{
throw new ArgumentException("Sql cannot be null or empty");
}
return(DoOutOpObject((int)CacheOp.QrySqlFields, writer =>
{
writer.WriteBoolean(qry.Local);
writer.WriteString(qry.Sql);
writer.WriteInt(qry.PageSize);
QueryBase.WriteQueryArgs(writer, qry.Arguments);
writer.WriteBoolean(qry.EnableDistributedJoins);
writer.WriteBoolean(qry.EnforceJoinOrder);
writer.WriteBoolean(qry.Lazy); // Lazy flag.
writer.WriteInt((int)qry.Timeout.TotalMilliseconds);
writer.WriteBoolean(qry.ReplicatedOnly);
writer.WriteBoolean(qry.Colocated);
writer.WriteString(qry.Schema); // Schema
}));
}
/// <summary>
/// Writes the SQL query.
/// </summary>
private static void WriteSqlQuery(IBinaryRawWriter writer, SqlQuery qry)
{
Debug.Assert(qry != null);
writer.WriteString(qry.QueryType);
writer.WriteString(qry.Sql);
QueryBase.WriteQueryArgs(writer, qry.Arguments);
writer.WriteBoolean(qry.EnableDistributedJoins);
writer.WriteBoolean(qry.Local);
writer.WriteBoolean(qry.ReplicatedOnly);
writer.WriteInt(qry.PageSize);
writer.WriteTimeSpanAsLong(qry.Timeout);
}