https://issues.apache.org/bugzilla/show_bug.cgi?id=53757
Priority: P2
Bug ID: 53757
Assignee: [email protected]
Summary: RewriteMap of type txt should allow specifying columns
Severity: enhancement
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: All
Status: NEW
Version: 2.4-HEAD
Component: mod_rewrite
Product: Apache httpd-2
In my particular case to improve a site's search-engine rankings, I needed two
RewriteMaps:
1. Mapping old, numbered URLs to new ones containing article-titles.
2. Mapping new SEO URLs to the old numbered ones.
The current implementation of txt-map requires me to keep two files for this --
with columns swapped between them:
RewriteMap old2new txt:old2new.txt
RewriteMap new2old txt:new2old.txt
I'd like to be able to tell, when defining a txt-map, which column in the
specified file to treat as the map's key and which -- as value. Something like:
RewriteMap old2new txt:1,2:old2new.txt
RewriteMap new2old txt:2,1:old2new.txt
The run-time memory requirements would be exactly the same, but the
mapping-synchronization issues I am currently facing would disappear -- there
will be no need to maintain the separate new2old.txt file.
I can also imagine other use-cases, where the same file may be used for other
purposes and contain multiple columns -- only two of which would be used for
building a particular map. BTW, the idea is based on the GNUPlot's flexibility
in this regard.
Going further along these lines, being able to specify the column-separator may
be useful to some people... I can cook-up a patch, if the idea seems sound to
the would-be committer(s).
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