Tortuga.Chain Namespace
Tortuga.Chain.Access Namespace
Tortuga.Chain.Aggregates Namespace
Tortuga.Chain.Appenders Namespace
Tortuga.Chain.AuditRules Namespace
Tortuga.Chain.CommandBuilders Namespace
Tortuga.Chain.Core Namespace
Tortuga.Chain.DataSources Namespace
Tortuga.Chain.Materializers Namespace
Tortuga.Chain.Metadata Namespace
Tortuga.Chain.MySql Namespace
Tortuga.Chain.MySql.CommandBuilders Namespace
Tortuga.Chain.PostgreSql Namespace
Tortuga.Chain.PostgreSql.CommandBuilders Namespace
Tortuga.Chain.SQLite Namespace
Tortuga.Chain.SqlServer Namespace
Tortuga.Chain.SqlServer.CommandBuilders Namespace

SqlServerAppenders..::..AsCountDistinctApproximate Method (TableDbCommandBuilder<(Of <(<'SqlCommand, SqlParameter, SqlServerLimitOption>)>)>)

Return the approximate row count using the APPROX_COUNT_DISTINCT function.

Namespace:  Tortuga.Chain.SqlServer
Assembly:  Tortuga.Chain.SqlServer.MDS (in Tortuga.Chain.SqlServer.MDS.dll)

Syntax

public static ILink<long> AsCountDistinctApproximate(
	this TableDbCommandBuilder<SqlCommand, SqlParameter, SqlServerLimitOption> tableDbCommand
)
<ExtensionAttribute> _
Public Shared Function AsCountDistinctApproximate ( _
	tableDbCommand As TableDbCommandBuilder(Of SqlCommand, SqlParameter, SqlServerLimitOption) _
) As ILink(Of Long)
[ExtensionAttribute]
public:
static ILink<long long^>^ AsCountDistinctApproximate(
	TableDbCommandBuilder<SqlCommand^, SqlParameter^, SqlServerLimitOption^>^ tableDbCommand
)

Parameters

tableDbCommand
Type: Tortuga.Chain.CommandBuilders..::..TableDbCommandBuilder<(Of <(<'SqlCommand, SqlParameter, SqlServerLimitOption>)>)>
The table database command.

Remarks

This is only available on tables with a single primary key.

See Also

SqlServerAppenders Class
AsCountDistinctApproximate Overload
Tortuga.Chain.SqlServer Namespace