Thanks,
Lance

-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of 
A. Razzak Memon
Sent: Tuesday, March 17, 2020 9:49 AM
To: [email protected]
Subject: [RBASE-L] - Tip of the Day: Check Indexes with Enhanced AUTOCHK Command

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Tuesday, March 17, 2020

Tip of the Day: Check Indexes with Enhanced AUTOCHK Command
Product.......: R:BASE X.5 and R:BASE X.5 Enterprise (Version 10.5)
Build.........: 10.5.2.20312 or higher
Sections......: Commands
Keywords......: AUTOCHK, Index, Check, Integrity

Did you know database indexes may now be checked with the AUTOCHK command?

The AUTOCHK command was enhanced to check all database indexes, or to check a 
specific index by name. The database must be connected in order to check 
indexes.

AUTOCHK INDEX
Specifies to have all the indexes checked.

AUTOCHK INDEX indexname
Specifies an index to check, which is displayed with the LIST INDEX command.

The process reviews each index (file 3) and walks through every pointer to the 
data file (file 2). An error is reported if:

  . The pointer from the index does not point to a valid location in the 2 file
  . The pointer from the index points to a valid location in the 2 file, but
    the row that lives there has been deleted
  . The row count from walking the entire index does not match the row count
    for the table as stored in file 1

Four additional error messages were added for routines to capture and act 
accordingly.

1609 - Index rows counted: <value1>, expected count: <value2>
1610 - The index points to an invalid row location
1611 - The index points to a row that has been deleted
1612 - The index cannot be examined

Very Best R:egards,

Razzak.

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