Function odbc_sys::SQLNumResultCols

pub unsafe extern "system" fn SQLNumResultCols(
    statement_handle: SQLHSTMT, 
    column_count_ptr: *mut SQLSMALLINT
) -> SQLRETURN

Returns the number of columns in a result set

Returns

SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_ERROR, SQL_INVALID_HANDLE or SQL_STILL_EXECUTING