progress 4gl session variables

• 8 September 2023

In this scenario the extra time taken for the ambiguousness test may take a few milliseconds, however, if the FIND statement is inside a block that is executed many thousand (or hundreds of thousands of times) the cumulative effect of those 'few milliseconds' will quickly add up and may well be the root cause of what is perceived to be a poorly performing query. However, it should appear somewhere in the EDITING phrase because Progress does not automatically read keystrokes when you use an EDITING phrase. It can be done using the extent statement during the variable declaration. Not the answer you're looking for? As it is certain features that are prone to mis-use (such as shared variables, CAN-DO and USE-INDEX) are far too prominently featured in the documentation and, in many cases, are held up as exemplars when they should not be. How will you avoid that? Load data through online maintenance programs. What is the difference between find first and for each statement? If someone on the outside were to go through and make a list of all the bad examples, then it might be manageable to respond to those, but fixing them internally means that someone has to do the scan who would recognize a bad example. Find centralized, trusted content and collaborate around the technologies you use most. progress 4gl - OpenEdge SQL: 'variable' feature similar to Oracle PL I've an old desktop application developed in progress 4gl.There is a frame contained in a progress window now my task is to make the frame responsive ie based on the size of its container window the frame should resize dynamically.Is it possible in Progress any workaround will be appreciated.Thanks openedge progress-4gl Share Improve this question It gets used when one is ready, willing, and able to fix things that are undesireable without getting in the way of day to day development. A preprocessor directive is a statement that begins with an ampersand and is meaningful only to the preprocessor. language, and (b) update the docs to point them in that direction. A Widget is an object that provides visual and interactive capabilities for a progress application. put even more strongly, it's because the book was, trying to strike a balance between material for those, who may be maintaining older applications and those, There are a number of places in the book. Recently, figuring in a long chain of procedures, I had a question: u can check this by using the ETIME() Function to check the time taken by these two. What is the difference between Persistent and Non-Persistent Procedures? Ans:- Progress supports 12 types variable: 12.Blob (open edge-- for saving the images), 13.Clob (open edge-- for saving the images). And in a lot of cases it should be generally possible to largely automate many common code conversion issues. If the time does permit, one runs it through ProLint and deals with the report. I want to set SESSION:TEMP-DIRECTORY without hard-cording the value in pf file. Purchase order no need to approved again n again. Using code similar to the following: DEFINE VARIABLE v-cha-usr-tempdir AS CHARACTER NO-UNDO. I wrote a Progress 4GL procedure which is actually a script saved in OS (not in database). of a reverse reserved keyword kind of thing. Progress ABL is a programming language tied to the Progress OpenEdge environment, its database and surrounding utilities. Progress, Telerik, Ipswitch and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. I can go with that a few releases, but sooner or later the docs need to be gone over, updated, and cleaned up. Will look for the string "shared var" in any case in all *.p files. When this happens, these users are stuck (deadly embraced) and cannot continue processing. Ans: A supplier schedule is an agreement with a supplier that guarantees a specified order level. What are the different types of blocks available in progress? Sorts the pre-selected records by the value of expression. You will have to look into converting it to fit your form. So maybe we should be documenting "worst practices" instead of "best practices"? Primary Index Usually the most frequently used index. They may not be running fully-leading-edge code, but if they're running 10.1 systems, the runtime is leading edge, which means they can use newer, better ways of doing thing. Can I use the spell Immovable Object to create a castle which floats above the clouds? How do you find the end of its results list? More correctly, I think it is "Static variables get, used", but where are they a better solution than a. What will it return if expression is not in the list? Archive of former Progress Community Discussions, 10.1A Progress 4GL Handbook, by John Sadd and Shared Variab. Otherwise, it is the directory specified using the Temporary Directory (-T) parameter. Thanks for contributing an answer to Stack Overflow! You can also define a indeterminate array without a set length. Progress Documentation The variables need to be declared and the datatype cannot be changed during run time. People are just lazy about learning how. If you haven't got a Progress session then you can run it from the command prompt with the statement rrojo7229 gave. Making statements based on opinion; back them up with references or personal experience. You must log in or register to reply here. The Set Statement accepts the input and then puts the data in the screen buffer name and in the specified fields or variables. There are two types of procedures: External & Internal. And you think we, hear it about continuing old conventions, you should, hear what happens when we don't! If it was easier for legacy developers to move things forward, maybe they would. If a table is exclusive locked then other users cannot update that table but can view it using No-LOCK. The Handbook is intended as an extended language tutorial, not a best practices or application design guide. Q:- Diff b/w PUT, Set, Update and Display? where I try to describe outdated features, while leaving it to others in the company, to make formal definitions of what is "deprecated". Session triggers are defined as part of a particular application and are only in effect for that particular application. Boolean algebra of the lattice of subspaces of a vector space? Thanks for contributing an answer to Stack Overflow! It is easy to be dismissive but it would be more useful to be clear about what exceptions or qualifications you are making. DEFINE VARIABLE a AS CHARACTER EXTENT 5 NO-UNDO. ASSIGN statement - Progress.com //A variable with a label. Oh, you mean like all of the OERA code examples? Supporting a structure because one knows that it is in wide use doesn't mean that one can't also designate it as deprecated. Being able to use 'deprecated' langauge elements is one thing. I think there is an opportunity as the language evolves to find approprate places to move forward. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? DEFINE VARIABLE statement - Progress.com Word Index - An index that contains all the words from a text field or array of text fields so you can search for records containing specific words or phrases. 6. If you're writing instructions on how historical language elements worked, were used, and their general design techniques - that's fine. This, to me, is one of the very interesting challenges facing PSC. One is that a lot of the documentation was written a, long time ago when awareness of some best practice, standards was not nearly as widely understood as it, is today not that they are universally understood, even now. Yes, there are. Get monthly updates about new articles, cheatsheets, and tricks. By using the temp table we can reduce the network traffic on server to DB. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Certainly not "traditional." Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. But I would just like to mention a few things: 1) We are listening. Persistent Procedure creates it context when it executes and then maintains it context after it runs until the end of the progress session, or until it explicitly deleted. Why do we use index? You are using an out of date browser. It's a lot of work. INPUT PARAMETER - Defines a parameter that gets its value from one of the following sources: If the calling procedure runs the current (called) procedure synchronously, the value comes from the corresponding INPUT parameter of the RUN statement. How can I control PNP and NPN transistors together from one pin? To you and I and a bunch of other people, shared, variables are anathema, but there are still a lot of. (3260). There are a few areas where OO might be worth giving consideration to if the Progress implementation goes in good directions (such as the excellent decision to implement simple accessor syntax). Progress automatically puts a SHARE-LOCK on a record when it is read and automatically puts an EXCLUSIVE-LOCK on a record when it is updated. if data is exist then it returns TRUE otherwise it returns, Q:- What is the diff bet a function and a procedure, Ans:- 1. function can return the value through the return keyword,but procedure can't return the value. Progress uses transactions to automatically handle this processing. Please start with the problem, not the proposed solution. I was asked to administer the server progress 10.2B on SLES and software system written on it. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI.

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