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SQL Anywhere 10.0.1 » SQL Anywhere Server - SQL Reference » SQL Statements

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WRITETEXT statement [T-SQL]


Permits non-logged, interactive updating of an existing text or image column.

Syntax

WRITETEXT table-name.column-name
text-pointer [ WITH LOG ] data

Remarks

Updates an existing text or image value. The update is not recorded in the transaction log, unless the WITH LOG option is supplied. You cannot carry out WRITETEXT operations on views.

Permissions

None.

Side effects

WRITETEXT does not fire triggers, and by default WRITETEXT operations are not recorded in the transaction log.

See also
Standards and compatibility
Example

The following code fragment illustrates the use of the WRITETEXT statement. The SELECT statement in this example returns a single row. The example replaces the contents of the column_name column on the specified row with the value newdata.

EXEC SQL create variable textpointer binary(16);
EXEC SQL set textpointer =
   (  SELECT textptr(column_name)
      FROM table_name WHERE ID = 5 );
EXEC SQL writetext table_name.column_name
   textpointer 'newdata';