Frees an expression tree generated by cndxparse().
Declaration
cndxfree ( PTREE Tree );Description
cndxfree() releases en entire PTREE structure.
Return Values
| Value | Symbolic Constant | Explanation |
|---|---|---|
| 0 | CTDBRET_OK | Successful operation. |
See FairCom DB Error Codes for a complete listing of valid FairCom DB error values.
Example
PTREE ptree; /* Expression tree. */
....
ptree = cndxparse(schema, names, expr, strlen(expr));
if (!ptree)
printf("Error: Unable to parse expression.\n");
else
printf("Successfully parsed expression.\n");
....
if ( ptree )
cndxfree (ptree);See also
cndxeval, cndxparse, ctparsedoda, cndxrun, getcndxmem, putcndxmem