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FULLTEXTCATALOGPROPERTY (Transact-SQL)

  • Article

Returns information about full-text catalog properties in SQL Server 2012.

Topic link icon Transact-SQL Syntax Conventions

Syntax

FULLTEXTCATALOGPROPERTY ('catalog_name' ,'property')

Arguments

Note

The following properties will be removed in a future release of SQL Server: LogSize and PopulateStatus. Avoid using these properties in new development work, and plan to modify applications that currently use any of them.

  • catalog_name
    Is an expression containing the name of the full-text catalog.

  • property
    Is an expression containing the name of the full-text catalog property. The table lists the properties and provides descriptions of the information returned.

    Property

    Description

    AccentSensitivity

    Accent-sensitivity setting.

    0 = Accent insensitive

    1 = Accent sensitive

    IndexSize

    Logical size of the full-text catalog in megabytes (MB). Includes the size of semantic key phrase and document similarity indexes.

    For more information, see "Remarks," later in this topic.

    ItemCount

    Number of indexed items including all full-text, keyphrase and document similarity indexes in a catalog

    LogSize

    Supported for backward compatibility only. Always returns 0.

    Size, in bytes, of the combined set of error logs associated with a Microsoft Search Service full-text catalog.

    MergeStatus

    Whether a master merge is in progress.

    0 = master merge not in progress

    1 = master merge in progress

    PopulateCompletionAge

    The difference in seconds between the completion of the last full-text index population and 01/01/1990 00:00:00.

    Only updated for full and incremental crawls. Returns 0 if no population has occurred.

    PopulateStatus

    0 = Idle

    1 = Full population in progress

    2 = Paused

    3 = Throttled

    4 = Recovering

    5 = Shutdown

    6 = Incremental population in progress

    7 = Building index

    8 = Disk is full. Paused.

    9 = Change tracking

    UniqueKeyCount

    Number of unique keys in the full-text catalog.

    ImportStatus

    Whether the full-text catalog is being imported.

    0 = The full-text catalog is not being imported.

    1 = The full-text catalog is being imported.

Return Types

int

Exceptions

Returns NULL on error or if a caller does not have permission to view the object.

In SQL Server 2012, a user can only view the metadata of securables that the user owns or on which the user has been granted permission. This means that metadata-emitting, built-in functions such as FULLTEXTCATALOGPROPERTY may return NULL if the user does not have any permission on the object. For more information, see sp_help_fulltext_catalogs (Transact-SQL).

Remarks

FULLTEXTCATALOGPROPERTY ('catalog_name' ,'IndexSize') looks at only fragments with status 4 or 6 as shown in sys.fulltext_index_fragments. These fragments are part of the logical index. Therefore, the IndexSize property returns only the logical index size. During an index merge, however, the actual index size might be double its logical size. To find the actual size that is being consumed by a full-text index during a merge, use the sp_spaceused system stored procedure. That procedure looks at all fragments associated with a full-text index. If you restrict the growth of the full-text catalog file and do not allow enough space for the merge process, the full-text population may fail. In this case, FULLTEXTCATALOGPROPERTY ('catalog_name' ,'IndexSize') returns 0 and the following error is written to the full-text log:

Error: 30059, Severity: 16, State: 1. A fatal error occurred during a full-text population and caused the population to be cancelled. Population type is: FULL; database name is FTS_Test (id: 13); catalog name is t1_cat (id: 5); table name t1 (id: 2105058535). Fix the errors that are logged in the full-text crawl log. Then, resume the population. The basic Transact-SQL syntax for this is: ALTER FULLTEXT INDEX ON table_name RESUME POPULATION.

It is important that applications do not wait in a tight loop, checking for the PopulateStatus property to become idle (indicating that population has completed) because this takes CPU cycles away from the database and full-text search processes, and causes timeouts. In addition, it is usually a better option to check the corresponding PopulateStatus property at the table level, TableFullTextPopulateStatus in the OBJECTPROPERTYEX system function. This and other new full-text properties in OBJECTPROPERTYEX provide more granular information about full-text indexing tables. For more information, see OBJECTPROPERTYEX (Transact-SQL).

Examples

The following example returns the number of full-text indexed items in a full-text catalog named Cat_Desc.

USE AdventureWorks2012;
GO
SELECT fulltextcatalogproperty('Cat_Desc', 'ItemCount');
GO

See Also

Reference

FULLTEXTSERVICEPROPERTY (Transact-SQL)

Metadata Functions (Transact-SQL)

sp_help_fulltext_catalogs (Transact-SQL)