func (stmt *Statement) Execute(params ...interface{}) *ODBCError {
if params != nil {
var cParams C.SQLSMALLINT
ret := C.SQLNumParams(C.SQLHSTMT(stmt.handle), &cParams)
if !Success(ret) {
err := FormatError(C.SQL_HANDLE_STMT, stmt.handle)
return err
}
for i := 0; i < int(cParams); i++ {
stmt.BindParam(i+1, params[i])
}
}
ret := C.SQLExecute(C.SQLHSTMT(stmt.handle))
if ret == C.SQL_NEED_DATA {
// TODO
// send_data(stmt)
} else if ret == C.SQL_NO_DATA {
// Execute NO DATA
} else if !Success(ret) {
err := FormatError(C.SQL_HANDLE_STMT, stmt.handle)
return err
}
stmt.executed = true
return nil
}
func (stmt *Statement) NumParams() int {
var cParams C.SQLSMALLINT
ret := C.SQLNumParams(C.SQLHSTMT(stmt.handle), &cParams)
if !Success(ret) {
return -1
}
return int(cParams)
}
func SQLNumParams(statementHandle SQLHSTMT, parameterCountPtr *SQLSMALLINT) (ret SQLRETURN) {
r := C.SQLNumParams(C.SQLHSTMT(statementHandle), (*C.SQLSMALLINT)(parameterCountPtr))
return SQLRETURN(r)
}