ASA Programming Guide
Embedded SQL Programming
The SQL descriptor area (SQLDA)
The SQLDA fields have the following meanings:
Field | Description |
---|---|
sqldaid | An 8-byte character field that contains the string SQLDA as an identification of the SQLDA structure. This field helps in debugging when you are looking at memory contents. |
sqldabc | A long integer containing the length of the SQLDA structure. |
sqln | The number of variable descriptors in the sqlvar array. |
sqld | The number of variable descriptors which are valid (contain information describing a host variable). This field is set by the DESCRIBE statement and sometimes by the programmer when supplying data to the database server. |
sqlvar | An array of descriptors of type struct sqlvar, each describing a host variable. |