#SQL

Hi,

Do you have any experience in server side pagination with IRIS using Angular on the client side?
Any idea on a typical SQL request on the server side?

Thanks!
Blaise

Hi!

Is there any simple way to query data about processed messages in all Ensemble productions?
What I ultimately would like to do is to periodically export that data to another system and run statistics on it.

I've been digging around in the SQL tables view and Ens.MessageHeader seems to contain most of what I'm after.
Using ODBC I could access that table view and query data, but only for one namespace per DSN it seems.

Say I have a persistent class in IRIS with an optional property EmailOptIn:

Class Person Extends %Persistent
{
Property Name As %String;
Property EmailOptIn As %Boolean;
}

I later realize that I'm doing a lot of null-checking on this property where I shouldn't need to. The solution is to make this a required property:

I'm having trouble accessing the snapshots EnsLib.SQL.Snapshot in %Library.ListOfObjects that are returned from method ExecuteProcedure in EnsLib.SQL.OutboundAdapter. The Microsoft SQL stored procedure I am executing returns multiple resultsets.

The issue I am having is that my code works fine when executed in the business operation (commented out in the code below) but when it is executed in the business process it errors. Any ideas as to why this happens? The error I get is:

My question is actually about IDKEY since Primary Key is the common concept of SQL.

Why do we need IDKEY? In what kind of scenario, the IDKEY would be different from Primary Key?

Thanks.

Hi,

I'm getting thousands of errors like the ones below:

2021-05-03 14:11:44 [SQLCODE: <-400>:<Ocorreu um erro fatal>] [Cache Error: <<READ>Dispatch+14^%SYS.BINDSRV>] [Location: <ServerLoop>] [Client info: <Username: KIORAS, Node Name: 3IK0VLS5UU, IP Address: 192.168.1.223, Executable Name: EXTRService.exe, Internal Function: B0>] [%protocol: <52>] $Id: //ce/2018.1.2/kernel/common/src/aclass.c#1 $ 23468 104

I use Documatic a lot to generate class documentation from comments embedded in the code. Is there a good way to create documentation for SQL views as well? Ideally I want to document each column in the view with HTML markup similar to how I document each method of a class with Documatic.

Hello Fellow Cache Developers:

Has anyone ever created an index on values of a list property? If so, would you be willing to share an example?

Also, feel free to offer input and suggestions regarding use of indexes on List values.

Here is my database scenario:

Parent Class:

PropertyA - %String

PropertyB - %Integer

Child Class:

PropertyC - %Integer

PropertyD - list of %Integer

Data illustration:

Hello Global masters!

I developed Web with Spring framework (JAVA, Jdbc Cache) and I wrote SQL when I made it.

And Window program with VB6, Cache Object and VisM.

Is there a significant performance gap? SQL and Cache Object?

same function, same computer performance just different Java and VB6.

Thank you.

Minsu.

I have an array of table names that I want to iterate over and for each table, get the number of rows. I was hoping I could do something like:

Hi,

when I using ObjectScript Trigger Code , I want to get whether the fields has changed by using "{fieldName*C}" , actually, fieldName in "{fieldName*C}" is a real field name ,but in my code, fieldName is a variable as follows:

I need to generate a DDL file from a .cls class that already exists, the idea is to create a mirror table in SQL. Is it possible to do this export or do I need to do the CREATE TABLE manually?

Hi! We have received a request to create a new rule on CachéQuality to identify when a developer uses double quotes (" ") within any SQL statement.

We have been asked many times about SQL validation rules, and we would like to open a debate to allow everyone discuss what would you like to be checked on a SQL statement.

Current examples are for basic situations: