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sp_invalidate_textptr

SQL Server 2000

Makes the specified in-row text pointer, or all in-row text pointers, in the transaction invalid. sp_invalidate_textptr can be used only on in-row text pointers, which are from tables with the text in row option enabled.

Syntax

sp_invalidate_textptr [ [ @TextPtrValue = ] textptr_value ]

Arguments

[ @TextPtrValue = ] textptr_value

Is the in-row text pointer that will be invalidated. textptr_value is varbinary(16), with a default of NULL. If NULL, sp_invalidate_textptr will invalidate all in-row text pointers in the transaction.

Return Code Values

0 (success) or 1 (failure)

Remarks

SQL Server allows a maximum of 1024 active valid in-row text pointers per transaction per database; however, a transaction spanning more than one database can have 1024 in-row text pointers in each database. sp_invalidate_textptr can be used to invalidate in-row text pointers and thus free up space for additional in-row text pointers.

For more information about the text in row option, see sp_tableoption.

Permissions

Execute permissions for sp_invalidate_textptr default to all users.

See Also

Managing ntext, text, and image Data

sp_tableoption

TEXTPTR

TEXTVALID

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