Class PartitionQueryRequest

The request for PartitionQuery

Inheritance

object

PartitionQueryRequest

Implements

IDirectResponseSchema

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: Google.Apis.Spanner.v1.Data

Assembly: Google.Apis.Spanner.v1.dll

Syntax

public class PartitionQueryRequest : IDirectResponseSchema

Properties

ETag

The ETag of the item.

Declaration

public virtual string ETag { get; set; }

Property Value

Type	Description
string

ParamTypes

It isn't always possible for Cloud Spanner to infer the right SQL type from a JSON value. For example, values of type BYTES and values of type STRING both appear in params as JSON strings. In these cases, param_types can be used to specify the exact SQL type for some or all of the SQL query parameters. See the definition of Type for more information about SQL types.

Declaration

[JsonProperty("paramTypes")]
public virtual IDictionary<string, Type> ParamTypes { get; set; }

Property Value

Type	Description
IDictionary<string, Type>

Params__

Parameter names and values that bind to placeholders in the SQL string. A parameter placeholder consists of the @ character followed by the parameter name (for example, @firstName). Parameter names can contain letters, numbers, and underscores. Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: `"WHERE id > @msg_id AND id < @msg_id

• 100"` It's an error to execute a SQL statement with unbound parameters.

Declaration

[JsonProperty("params")]
public virtual IDictionary<string, object> Params__ { get; set; }

Property Value

Type	Description
IDictionary<string, object>

PartitionOptions

Additional options that affect how many partitions are created.

Declaration

[JsonProperty("partitionOptions")]
public virtual PartitionOptions PartitionOptions { get; set; }

Property Value

Type	Description
PartitionOptions

Sql

Required. The query request to generate partitions for. The request fails if the query isn't root partitionable. For a query to be root partitionable, it needs to satisfy a few conditions. For example, if the query execution plan contains a distributed union operator, then it must be the first operator in the plan. For more information about other conditions, see Read data in parallel. The query request must not contain DML commands, such as INSERT, UPDATE, or DELETE. Use ExecuteStreamingSql with a PartitionedDml transaction for large, partition-friendly DML operations.

Declaration

[JsonProperty("sql")]
public virtual string Sql { get; set; }

Property Value

Type	Description
string

Transaction

Read-only snapshot transactions are supported, read and write and single-use transactions are not.

Declaration

[JsonProperty("transaction")]
public virtual TransactionSelector Transaction { get; set; }

Property Value

Type	Description
TransactionSelector

Implements

IDirectResponseSchema