Fix: Remove obsolete code in database partitioning functions

[emabassi-ext]

Description

Queries should be sanitized (if possible) and bound using PDO statement to reduce attack surface and clean legacy code

Where

www/class/centreon-partition/partEngine.class.php

Remove optimizeTablePartitions function

Fixes # MON-14974

Type of change

• Patch fixing an issue (non-breaking change)
• New functionality (non-breaking change)
• Breaking change (patch or feature) that might cause side effects breaking part of the Software

Target serie

• 21.04.x
• 21.10.x
• 22.04.x
• 22.10.x (master)

How this pull request can be tested ?

Get number of current partition for “data_bin”:

ls /var/lib/mysql/centreon_storage/ | egrep data_bin#P#* | wc -l
38
Increase “Forward provisioning” from “Administration > Parameters > Options” menu (+10)

Run script manually

/usr/bin/php /usr/share/centreon/cron/centreon-partitioning.php
Check that partitions have been created using:

ls /var/lib/mysql/centreon_storage/ | egrep data_bin#P#* | wc -l
48
Reduce “Retention duration for performance data in MySQL database” from “Administration > Parameters > Options” menu

Run script manually

/usr/bin/php /usr/share/centreon/cron/centstorage_purge.php
Check that partitions have been deleted

ls /var/lib/mysql/centreon_storage/ | egrep data_bin#P#* | wc -l
35

Checklist

Community contributors & Centreon team

• I have followed the coding style guidelines provided by Centreon
• I have commented my code, especially new classes, functions or any legacy code modified. (docblock)
• I have commented my code, especially hard-to-understand areas of the PR.
• I have rebased my development branch on the base branch (master, maintenance).

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