Difference between revisions of "OpenDBX/C API/odbx field value"
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= Description: = | = Description: = | ||
| − | Returns the field value specified by "pos" of the current row. The value of "pos" must be in the range from 0 to odbx_column_count()-1. All values except binary objects are | + | Returns the field value specified by "pos" of the current row. The value of "pos" must be in the range from 0 to [[OpenDBX_column_count|odbx_column_count()]]-1. All values except binary objects are strings terminated by \0 but NULL is also a valid field value. Numbers have to be converted to their binary representation before arithmetic operations are allowed. |
= Parameters: = | = Parameters: = | ||
Revision as of 16:21, 5 June 2006
const char* odbx_field_value(
odbx_result_t* result,
unsigned long pos )
Description:
Returns the field value specified by "pos" of the current row. The value of "pos" must be in the range from 0 to odbx_column_count()-1. All values except binary objects are strings terminated by \0 but NULL is also a valid field value. Numbers have to be converted to their binary representation before arithmetic operations are allowed.
Parameters:
- result: Object created by odbx_result()
- pos: Column number in the current result set
Return values:
- Address of a string or binary object for the specified field. Is NULL if the field is a NULL value or pos is out of range.
Errors:
- None
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