diff options
Diffstat (limited to 'extra/mariabackup/write_filt.cc')
| -rw-r--r-- | extra/mariabackup/write_filt.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/extra/mariabackup/write_filt.cc b/extra/mariabackup/write_filt.cc index 052cea26..13f19ca6 100644 --- a/extra/mariabackup/write_filt.cc +++ b/extra/mariabackup/write_filt.cc @@ -144,6 +144,18 @@ wf_incremental_process(xb_write_filt_ctxt_t *ctxt, ds_file_t *dstfile) return false; } + /* Check whether TRX_SYS page has been changed */ + if (mach_read_from_4(page + FIL_PAGE_SPACE_ID) + == TRX_SYS_SPACE + && mach_read_from_4(page + FIL_PAGE_OFFSET) + == TRX_SYS_PAGE_NO) { + msg(cursor->thread_n, + "--incremental backup is impossible if " + "the server had been restarted with " + "different innodb_undo_tablespaces."); + return false; + } + /* updated page */ if (cp->npages == page_size / 4) { /* flush buffer */ |