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SQL Anywhere 12.0.0 » SQL Anywhere Server - Programming » Embedded SQL

 

Sending and retrieving long values

The method for sending and retrieving LONG VARCHAR, LONG NVARCHAR, and LONG BINARY values in embedded SQL applications is different from that for other data types. The standard SQLDA fields are limited to 32767 bytes of data as the fields holding the length information (sqldata, sqllen, sqlind) are 16-bit values. Changing these values to 32-bit values would break existing applications.

The method of describing LONG VARCHAR, LONG NVARCHAR, and LONG BINARY values is the same as for other data types.

For information about how to retrieve and send values, see Retrieving LONG data, and Sending LONG data.

 Static SQL structures
 Dynamic SQL structures
 Structure member definitions

Retrieving LONG data
Sending LONG data