Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. A function actually don't have to return anything at all. I just tried this on 10.2B and I get 123. Its purpose is to help in understanding the peculiarities of PROGRESS 4GL and the requirements they impose on the query engine. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. This modified text is an extract of the original, Multiple return statements (but a single return value). Magic characters in the arguments, that might be embedded in your . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, what version of Progress are you using? progress-4gl Tutorial => IF THEN ELSE-statement To learn more, see our tips on writing great answers. Usage of CAN-DO Function | ProgressTalk.com To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? From-string and to-string don't need to be of the same length, to-string can also be nothing ("") to remove a character. Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? There are a couple of useful built in functions for working with string. CAN-DO behavior changed in 11.x using "@" sign - Progress Community http://documentation.progress.com/output/Progress91E/wwhelp/wwhimpl/js/html/wwhelp.htm, [Progress News] [Progress OpenEdge ABL] How I Manage Bipolar in the Workplace, Progress Trigger Button in Data Dict not working, [Progress News] [Progress OpenEdge ABL] Five Tips for Planning a Successful Operating System Migration, [Progress News] [Progress OpenEdge ABL] Chatbot Industry Use Cases and Examples. Using DYNAMIC-FUNCTION or the CALL-object you can dynamically call functions. Matches matches one string against another -- not a set of options. Here's an example of an INPUT-OUTPUT parameter: A function can call itself and thereby recurse. IF txt = txtBackwards THEN RETURN TRUE. //Returns an integer with the length of the string. Thank u Mr.TomBasCom, but here in our company we do have codes which contains CAN-DO functions. When I enter 4 at the runtime, the following program should return me the string "four" and similarly the string`s corresponding to 5, 6, 7 and 8. The compiler will not catch this (but your colleagues will so avoid it). You can also define a indeterminate array without a set length. Get monthly updates about new articles, cheatsheets, and tricks. A double-byte character registers as one character unit. Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? Is there any known 80-bit collision attack? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? There are a number of functions and methods for working with comma (or other character) separated lists in Progress 4GL. function is double-byte enabled. Its homegrown but there are some decisions on top level which is forcing. Can I specify the contents of the buffer while creating it in Progress-4GL? Parts of the syntax is actually not required: A function can be forward declared, this is similar to specifications in a C header file. factorial(200) will fill the stack and raise an error. In contrast to the INDEX function, R-INDEX performs the search from right to left. Try to assign the value of the function to a variable and use that variable in the. But only once! Syntax R-INDEX ( source, target[, starting]) source A constant, field name, variable name, or expression that results Not the answer you're looking for? You can optionally specify delimiter, comma is default NUM-ENTRIES (string [, delimiter]) Using comma, the default delimiter: To start the third example, run r-udf3.p in the Procedure Editor. Now what I want. Asking for help, clarification, or responding to other answers. NO-ERROR - don't fail if there isn't any record available. the Allied commanders were appalled to learn that 300 glider troops had drowned at sea. BEGINS uses indexes whenever is possible (and consequently uses collation tables if an index is used). [Progress News] [Progress OpenEdge ABL] Should Designers and Developers Feel Threatened by the Rise of GPT-3. Sep 9, 2011 Knowledge Title 4GL/ABL: How to remove all leading and trailing white space characters from all the CHARACTER fields of all the user data tables of a database? Search target within source (left to right) and return it's position. I am able to send basic messages using triggers. There are a number of functions and methods for working with comma (or other character) separated lists in Progress 4GL. NUM-ENTRIES Returns the number of entries in a list. Making statements based on opinion; back them up with references or personal experience. Something like this: In a large DB table, to make good use of indexes: Thanks for contributing an answer to Stack Overflow! SUBSTITUTE(string, param1, param2, , param9). Asking for help, clarification, or responding to other answers. END. Find centralized, trusted content and collaborate around the technologies you use most. The CALL object is not as lightweight as the DYNAMIC-FUNCTION. CHR and ASC - converts single characters to and from ascii. This modified text is an extract of the original, Defining, assing and displaying a string. INDEX() & LOOKUP() and their modern cousins are far better suited to almost all of the jobs that CAN-DO() is used for. = 100 x 99 x 98 x . What are the advantages of running a power tool on 240 V vs 120 V? LENGTH(string). If we had a video livestream of a clock being sent to Mars, what would we see? Returns "length" characters from "string" starting on position "starting-position". Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. REPLACE - replaces a string within a string. Dynamic Query with MATCHES in Progress 4GL, Is it possible to provide estimate hrs or minutes for progress completion? "Signpost" puzzle from Tatham's collection. This modified text is an extract of the original. First argument is x (the expression to locate in the list), then the list as a comma-delimited string b) No need for an ELSE. - PROGRESS 4GL, how to apply last key from a program itself without requiring a user input? is it the same to use MATCHES (* + "" + *) and no parameters in a FOR EACH in Progress 4GL? Progress performs a character by character integer value comparison to determine if two strings match. You can however invioke them dynamically using, Calling functions in your queries can lead to bad performance since index matching will hurt. If the null hypothesis is never really true, is there a point to using a statistical test without a priori power analysis? Why does Acts not mention the deaths of Peter and Paul? The length (extent) can be set in run-time. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? All functions working with the position of characters start with index 1 as the first character, not 0 as is common in many languages. Horizontal and vertical centering in xltabular. (Ep. progress-4gl Tutorial => Concatenating strings Get monthly updates about new articles, cheatsheets, and tricks. If no wildcard characters are used then MATCHES will result in an exact string match (case insensitive). SUBSTRING(string, starting-position, length). If the null hypothesis is never really true, is there a point to using a statistical test without a priori power analysis? display rpid. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? Asking for help, clarification, or responding to other answers. What differentiates living as mere roommates from living in a marriage-like relationship? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, ya i agree with you , but this program has to done using ENTRY function. ELSE IF i > 30 AND l = FALSE OR TODAY = DATE ("2017-08-20") THEN DO: END. URL Name SUBSTITUTE - substitutes paramters in a string. For a better experience, please enable JavaScript in your browser before proceeding. How to check the progress version, because in some environment I am also getting 123 but in some other environment I am getting '123/USER@PROSENJIT'. 4GL/ABL sample code to remove all leading and trailing white space characters from all the CHARACTER fields of all the user data tables of the connected database. A function must be declared in the "main" procedure. progress-4gl Tutorial => Lists Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. Examples I have version 11.3.3 does that has SQL-92 engine? You are using an out of date browser. openedge - Progress 4gl Matches Queries - Stack Overflow A CHARACTER expression that directs ABL to interpret the specified positionand lengthvalues as character units, bytes, or columns. When AI meets IP: Can artists sue AI imitators? LOOKUP function is not working in progress 4GL All rights reserved. a) Your LOOKUP function was wrong. Is there a generic term for these trajectories? In 5e D&D and Grim Hollow, how does the Specter transformation affect a human PC in regards to the 'undead' characteristics and spells? Hello, I am new to Progress world and trying to implement the below: Whenever any update / delete / insert is happening on OpenEdge database, send a message to messageQueue. So i need some clear cut idea on that. What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? The maximum size is 28000. This example converts the integer 2000 to the string "2000". In 5e D&D and Grim Hollow, how does the Specter transformation affect a human PC in regards to the 'undead' characteristics and spells? Can I use the spell Immovable Object to create a castle which floats above the clouds? As the UNDO, RETRY stops the current iteration of the loop c) Since show is an ARRAY, just referent the array-element. It can return an entry that contains double-byte characters from a specified list and the characterdelimiter can be a double-byte character. R-INDEX function R-INDEX function Returns an INTEGER value that indicates the position of the target string within the source string. I'm thinking there's something else going on that's causing your difficulty. You can however invioke them dynamically using, Calling functions in your queries can lead to bad performance since index matching will hurt. CAN-DO() is a horrible excuse for a string function. It cannot be declared inside a procedure or inside another function. NUM-ENTRIES I tried the below code, which should return 123 in lv_id but returning '123/USER@PROSENJIT'. Using the + operator you can easily concatenate two or more strings. This leaves you free to mess up your code in several ways: DEFINE VARIABLE i AS INTEGER NO-UNDO. Using MATCHES is also kind of silly since these are equality comparisons without wild-cards. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? LOOKUP function - Progress.com On Linux/Unix in the 4GL editor: F2 (or ctrl + X) (Compile -> Run) On Windows in Developer Studio: alt + shift + X, followed by G (Run -> Run As Progress OpenEdge Application) Installation or Setup Installing Progress Download your distribution from Progress. A parameter can appear more than once in a string, all will be replaced: Get monthly updates about new articles, cheatsheets, and tricks. progress-4gl Tutorial => Arrays - defining and accessing progress-4gl Variables Arrays - defining and accessing Fastest Entity Framework Extensions Bulk Insert Bulk Delete Bulk Update Bulk Merge Example # Progress supports one dimensional arrays, but they are called EXTENTS. How to matches two records using ENTRY in progress 4GL? Database schema triggers are not firing in the order of associated table appearance. END FUNCTION. TRIM - removes leading and trailing whitespaces (or other characters). One use deals with reusable code. How to use entry and lookup function in the same program to display the string corresponding to the numbers, When AI meets IP: Can artists sue AI imitators? It only leads to pain and suffering The 4gl has no IN function. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Replaces from-string with to-string in string. See also ENTRY function, ENTRY statement, LOOKUP function Preliminary Draft 2017 Progress Software Corporation and/or one of its subsidiaries or affiliates. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Wierd behaviour of an if statement in Progress 4gl. DEFINE VARIABLE l AS LOGICAL NO-UNDO. Extracting arguments from a list of function calls. cString = cString + " " + "GOODBYE". I can do this with a string and it works great. Removes all leading and trailing "characters". It can also invoke methods on objects and access getters/setters. MATCHES is typically used when wild-cards are involved. FIND FIRST Customer NO-LOCK WHERE CustNum = 1 NO-ERROR. "incompatible data types", OpenEdge has a SQL-92 engine but you aren't using that. How to subdivide triangles into four triangles with Geometry Nodes? You cannot pass a function as an input or output parameter.