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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Welcome to the IBM Ideas Portal (https://www.ibm.com/ideas) - Use this site to find out additional information and details about the IBM Ideas process and statuses.

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Informix Server

Showing 309

Sort data calculations should not be used to determine number of passes for UPDATE STATISTICS MEDIUM/HIGH statements where an index is used, fix misleading explain output

UPDATE STATISTICS MEDIUM/HIGH can be used with an explain option. The explain file always shows a sort data calculation which then determines the number of table scans (passes) the database engine will undertake. These are calculated before any de...
about 1 year ago in Informix / Informix Server 0 Not under consideration

Do not allocate MGM memory to UPDATE STATISTICS MEDIUM/HIGH with PDQ if index is used for sort

If an UPDATE STATISTICS MEDIUM/HIGH statement with PDQ is run, Informix will allocate memory for sorts from the memory grant manager (MGM). This happens regardless of whether there is any sorting to do. If a single indexed column is specified in t...
about 1 year ago in Informix / Informix Server 0 Not under consideration

Avoid UPDATE STATISTICS [LOW] sampling failures due to data skew

If onconfig parameter USTLOW_SAMPLE is set, sampling will be used for all UPDATE STATISTICS LOW commands. On some tables this will always or nearly always fail due to data skew, printing a message like: Warning: update statistics low using samplin...
about 1 year ago in Informix / Informix Server 0 Not under consideration

IF NOT EXISTS should not be saved as part of stored routine source

When creating a stored procedure or function with the IF NOT EXISTS optional clause included, the option text is currently included in the saved source code for the procedure. This is not true of any other database object created with the IF NOT E...
over 4 years ago in Informix / Informix Server 2 Not under consideration

ifxclone to not change BUFFERPOOLS

ifxclone to not change BUFFERPOOLS when running.
about 1 year ago in Informix / Informix Server 0 Not under consideration

Improvement in the check for high serial values

I'm trying to check if a serial value has reached its upper limit. I noticed the following unpleasant behaviour. In the sysmaster tables sysptnhdr and sysactptnhdr the currently used serial values are in three fields for the datatypes serial, seri...
over 3 years ago in Informix / Informix Server 1 Not under consideration

Internal hash tables - remove limit on amount of data.

As per case TS006348841 currently internal hash tables have a limitation on the amount of data that can be copied into the internal hash table "At the end all the rows/columns must be copied into a hash table. And this is too much data." E.g. A gr...
4 months ago in Informix / Informix Server 0 Not under consideration

Table level restore

To enhance functionality of ontape/onbar utility to enable table level restore.
almost 8 years ago in Informix / Informix Server 1 Not under consideration

Add onstat -g vpcache detail to show breakdown of usage e.g. smx buffers

. When the vp-cache grows to gigabytes we need to see why it is growing. Currently shared memory dumps have to be sent to HCL for analysis. Propose 'onstat -g vpcache detail' to show what the vpcache on each cpu vp is being used for e.g. smx buffers.
about 1 year ago in Informix / Informix Server 0 Not under consideration

Add sql causing change when dictionary entries become dirty.

When onstat -g dic entries become dirty add sql causing this to the onstat -g dic output.This would allow diagnosing issues better. This does not need to be persisted to storage. When sysprocplan entries become invalid this would also allow diagno...
5 months ago in Informix / Informix Server 0 Not under consideration