$P is not cleaned up by a FULL OPTIMIZE
Last updated on NOVEMBER 01, 2017
Applies to:Oracle Text - Version 18.104.22.168 and later
Information in this document applies to any platform.
On : 22.214.171.124 version, Query on context index (contains)
The optimize for Oracle Text leaves records in $P table.
The optimize FULL index does NOT clean the $P table. So when records are deleted for whatever reason the optimize will take care of the tokens that are a part of the deleted documents in the $I table but it does not touch the $P table.
Steps to show the behavior:
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