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SQL Anywhere 11.0.1 (Français) » SQL Anywhere Server - SQL Reference » Using SQL » SQL functions » SQL functions (P-Z)

 

TEXTPTR function [Text and image]

Returns the 16-byte binary pointer to the first page of the specified text column.

Syntax
TEXTPTR(  column-name  )
Parameters
  • column-name   The name of a text column.

Returns

BINARY

Remarks

This function is included for Transact-SQL compatibility.

Standards and compatibility
  • SQL/2003   Vendor extension.

Example

Use TEXTPTR to locate the text column, copy, associated with au_id 486-29-1786 in the author's blurbs table.

The text pointer is put into a local variable @val and supplied as a parameter to the readtext command, which returns 5 bytes, starting at the second byte (offset of 1).

DECLARE @val VARBINARY(16)
SELECT @val = TEXTPTR(copy)
FROM blurbs
WHERE au_id = "486-29-1786"
READTEXT blurbs.copy @val 1 5;