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sp_check_join_filter (Transact-SQL)

Is used to verify a join filter between two tables to determine if the join filter clause is valid. This stored procedure also returns information about the supplied join filter, including if it can be used with precomputed partitions for the given table. This stored procedure is executed at the Publisher on the publication. For more information, see Optimizing Parameterized Filter Performance with Precomputed Partitions.

Topic link iconTransact-SQL Syntax Conventions

Syntax

sp_check_join_filter [ @filtered_table = ] 'filtered_table', [@join_table = ] 'join_table', [ @join_filterclause = ] 'join_filterclause'

Arguments

  • [ @filtered_table= ] 'filtered_table'
    Is the name of a filtered table. filtered_table is nvarchar(400), with no default.

  • [ @join_table= ] 'join_table'
    Is the name of a table being joined to filtered_table. join_table is nvarchar(400), with no default.

  • [ @join_filterclause = ] 'join_filterclause'
    Is the join filter clause being tested. join_filterclause is nvarchar(1000), with no default.

Result Sets

Column name

Data type

Description

can_use_partition_groups

bit

Is if the publication qualifies for precomputed partitions; where 1 means that precomupted partitions can be used, and 0 means that they cannot be used.

has_dynamic_filters

bit

Is if the supplied filter clause includes at least one parameterized filtering function; where 1 means that a parameterized filtering function is used, and 0 means that such a function is not used.

dynamic_filters_function_list

nvarchar(500)

List of the functions in the filter clause that define a parameterized filter for an article, where each function is separated by a semi-colon.

uses_host_name

bit

If the HOST_NAME() function is used in the filter clause, where 1 means that this function is present.

uses_suser_sname

bit

If the SUSER_SNAME() function is used in the filter clause, where 1 means that this function is present.

Return Code Values

0 (success) or 1 (failure)

Remarks

sp_check_join_filter is used in merge replication.

sp_check_join_filter can be executed against any related tables even if they are not published. This stored procedure can be used to verify a join filter clause before defining a join filter between two articles.

Permissions

Only members of the sysadmin fixed server role or db_owner fixed database role can execute sp_check_join_filter.