IBM Data Platform Ideas Portal for Customers


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Search results: Informix

Showing 36 of 280

Support for ON DELETE SET NULL and ON UPDATE CASCADE clauses in FOREIGN KEY statements

A customer wanted to use a construction like ALTER TABLE detail_table ADD CONSTRAINT FOREIGN KEY (link_column) REFERENCES master_table ON DELETE SET NULL; so that referencing values would be updated to NULL automatically if a parent row was delete...
over 1 year ago in Informix / Informix Server 1 Submitted

Connection Manager should check if a secondary server is in sync before allowing connections to that server

When you have a primary and a secondary both server are in sync. But if you need to stop one of them for maintenaince reasons then it becomes out of sync. When you start it again the server might be so many log ahead and need to sync but the serve...
about 2 months ago in Informix / Informix Client Products 0 Submitted

Ability to sync tables to HDR & RSS secondaries when converting from RAW to STANDARD mode.

It is significantly faster to load a table in TYPE(RAW) mode than TYPE(STANDARD) mode. However, this option is not practical for sites using HDR and/or RSS secondary servers for replication as RAW mode tables do not replicate forcing the site to b...
over 8 years ago in Informix / Informix Server 0 Future consideration

Compatibility of SDS_ALTERNATE and logged SBSPACE

Our Standard Informix Cluster consists of Primary, SDS and RSS Server. While testing Failover with broken Network, we recognized that it is possible to get two Primarys when DRAUTO = 3 is set and the Network Connection of the Primary is interrupte...
3 months ago in Informix / Informix Server 0 Submitted

Full HDR switch between primary and secondary with a single command and without any downtime

We have 2 servers with 2 HDR instances each. For each cluster we have also 2 connection manager each. On server one there is the primary of cluster 1 and the secondary of cluster 2 On server two there is the primary of cluster 2 and the secondary ...
almost 6 years ago in Informix / Informix Server 0 Not under consideration

Make adoption of forest-of-trees indices easier with existing large tables

Rebuilding an index as a FOT is not supported using "alter fragment on index init". This would be useful to avoid dropping and later re-adding primary keys and referencing foreign keys. Building a FOT index is not possible in parallel. Building a ...
about 8 years ago in Informix / Informix Server 0 Not under consideration

CM should support majority-vote failover arbitration as an alternative to priority-based

Currently, the Informix Connection Manager handles failover arbitration on the basis of a priority setting in the ${CMCONFIG} file. This has the effect of making a single CM the judge, jury and executioner when it comes to failover events. And it ...
over 3 years ago in Informix / Informix Client Products 0 Future consideration

Unblocked Checkpoints on HDR

When a checkpoint occurs on a primary it blocks the checkpoint temporaily while the checkpoint is applied to the HDR. On an RSS this can be prevented by configuring the config value RSS_NONBLOCKING_CKPT so log replay continues during checkpointing...
over 5 years ago in Informix 1 Delivered

Allow renaming a database when BTS Index is defined

When renaming a database that has a BTS (Basic Text Search) index defined, it fails with error -9874. In the documentation it reads: [...] The RENAME DATABASE statement fails with error -9874, however, if the specified database contains any of the...
over 2 years ago in Informix / Informix Server 1 Not under consideration

Upgrade of secondary server without restore from primary

Assuming we're upgrading a sever which is a primary server in a MACH-11 cluster, it should be able to save all the new page images (of changed pages during the conversion) in the file system. Very similar to what we do in the CONVERSION_GUARD feat...
over 12 years ago in Informix / Informix Server 0 Not under consideration

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