Class TransactionQueryOptions

A limited subset of QueryOptions that are usable in Transactions.

Inheritance

object

TransactionQueryOptions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Couchbase.Client.Transactions.Config

Assembly: Couchbase.NetClient.dll

Syntax

public class TransactionQueryOptions

Methods

AdHoc(bool)

Allows turning this request into a prepared statement query.

If set to false, the SDK will transparently perform "prepare and execute" logic the first time this query is seen and then subsequently reuse the prepared statement name when sending it to the server. If a query is executed frequently, this is a good way to speed it up since it will save the server the task of re-parsing and analyzing the query.

If you are using prepared statements, make sure that if certain parts of the query string change you are using named or positional parameters. If the statement string itself changes it cannot be cached.

Declaration

public TransactionQueryOptions AdHoc(bool adhoc)

Parameters

Type	Name	Description
bool	adhoc	If set to false this query will be turned into a prepared statement query.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance

ClientContextId(string)

Supports providing a custom client context ID for this query.

If no client context ID is provided by the user, a UUID is generated and sent automatically so by default it is always possible to identify a query when debugging. If you do not want to send one, pass either null or an empty string to this method.

Declaration

public TransactionQueryOptions ClientContextId(string clientContextId)

Parameters

Type	Name	Description
string	clientContextId	The client context ID - if null or empty it will not be sent.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

FlexIndex(bool)

Sets a value indicating whether or not to use FlexIndex.

Declaration

public TransactionQueryOptions FlexIndex(bool flexIndex)

Parameters

Type	Name	Description
bool	flexIndex	The FlexIndex boolean.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Parameter(object)

Sets a positional parameter for this query.

Declaration

public TransactionQueryOptions Parameter(object paramValue)

Parameters

Type	Name	Description
object	paramValue	The value to set.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Parameter(params object[])

Sets multiple parameter values by position.

Declaration

public TransactionQueryOptions Parameter(params object[] values)

Parameters

Type	Name	Description
object[]	values	The values to include.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Parameter(string, object)

Set a parameter by key and value.

Declaration

public TransactionQueryOptions Parameter(string key, object val)

Parameters

Type	Name	Description
string	key	The key of the parameter.
object	val	The value of the parameter.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

PipelineBatch(int)

Supports customizing the number of items execution operators can batch for fetch from the KV layer on the server.

Declaration

public TransactionQueryOptions PipelineBatch(int batchSize)

Parameters

Type	Name	Description
int	batchSize	The pipeline batch size.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance

Remarks

This is an advanced API and should only be tuned with care.

PipelineCap(int)

Allows customizing the maximum number of items each execution operator can buffer between various operators on the server.

Declaration

public TransactionQueryOptions PipelineCap(int capacity)

Parameters

Type	Name	Description
int	capacity	The pipeline cap size

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance

Remarks

This is an advanced API and should only be tuned with care.

Raw(string, object)

Allows providing custom JSON key/value pairs for advanced usage.

Declaration

public TransactionQueryOptions Raw(string key, object val)

Parameters

Type	Name	Description
string	key
object	val

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance

Readonly(bool)

Allows explicitly marking a query as being readonly and not mutating and documents on the server side.

In addition to providing some security in that you are not accidentally modifying data, setting this flag to true also helps the client to more proactively retry and re-dispatch a query since then it can be sure it is idempotent. As a result, if your query is readonly then it is a good idea to set this flag.

If set to true, then (at least) the following statements are not allowed:

1. CREATE INDEX
2. DROP INDEX
3. INSERT
4. MERGE
5. UPDATE
6. UPSERT
7. DELETE

Declaration

public TransactionQueryOptions Readonly(bool @readonly)

Parameters

Type	Name	Description
bool	readonly	True if readonly should be set, false is the default and will use the server side default.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance

ScanCap(int)

Supports customizing the maximum buffered channel size between the indexer and the query service.

Declaration

public TransactionQueryOptions ScanCap(int capacity)

Parameters

Type	Name	Description
int	capacity	The scan cap size, use 0 or negative number to disable.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Remarks

This is an advanced API and should only be tuned with care. Use 0 or a negative number to disable.

ScanConsistency(QueryScanConsistency)

Sets the Scan Consistency value for this query.

Declaration

public TransactionQueryOptions ScanConsistency(QueryScanConsistency scanConsistency)

Parameters

Type	Name	Description
QueryScanConsistency	scanConsistency	The ScanConsistency value

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

ScanWait(TimeSpan)

Allows customizing how long the query engine is willing to wait until the index catches up to whatever scan consistency is asked for in this query.

Declaration

public TransactionQueryOptions ScanWait(TimeSpan scanWait)

Parameters

Type	Name	Description
TimeSpan	scanWait	The maximum duration the query engine is willing to wait before failing.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Serializer(ITypeSerializer)

Sets the user-defined TypeSerializer to use for parameter values and results.

Declaration

public TransactionQueryOptions Serializer(ITypeSerializer serializer)

Parameters

Type	Name	Description
ITypeSerializer	serializer	A Type Serializer, such as DefaultJsonSerializer or a custom serializer.

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance.

Timeout(TimeSpan)

Declaration

public TransactionQueryOptions Timeout(TimeSpan timeout)

Parameters

Type	Name	Description
TimeSpan	timeout

Returns

Type	Description
TransactionQueryOptions	The same TransactionsQueryOptions instance