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Informix Error Cursor Not Open


That's the exception that I get. Creating the Active Set When a cursor is opened, the database server does whatever is necessary to locate the first row of selected data. Furthermore, a practical contains table would also have a column count, giving the count of child parts used in each parent. If the number of generations has a fixed limit, you can solve the problem with a single SELECT statement using nested, outer self-joins. navigate here

Submit feedback to IBM Support 1-800-IBM-7378 (USA) Directory of worldwide contacts Contact Privacy Terms of use Accessibility Share?Profiles ▼Communities ▼Apps ▼ Forums Informix developer and user forum Log in to participate This scheme uses the fewest resources in the event that the program abandons the query before it fetches all the rows. The Active Set of a Cursor Once a cursor is opened, it stands for some selection of rows. and/or other countries.

Informix Cursor With Hold

The following example is written in INFORMIX-ESQL/C: EXEC SQL DECLARE the_item CURSOR FOR SELECT order_num, item_num, stock_num INTO o_num, i_num, s_num FROM items FOR READ ONLY; The declaration gives the cursor In the case of a simple query, when the database server holds only one row of the active set, any other row can change. As far as I know this is not available with java, so I would use two connection here, one for the reading and one for the writing activities.

  1. Read Previous news items End of Support Dates IDS 11.10 - 30 Sep 2012 Subscribe to notifications Home Member Area About IIUG Help Resources IIUG Insider IIUG Hotspots Informix Links
  2. The Active Set for a Sequential Cursor The database server attempts to use as few resources as possible in maintaining the active set of a cursor.
  3. Read 06 Sep 13 - IBM data magazine - Mission Accomplished - Miami, Florida will be the backdrop for the 2014 IIUG Informix Conference...
  4. This delete/insert should be done in a single transacion.
  5. On each fetch, it returns the contents of the current row and locates the next one.
  6. One reason is that you can never be sure which method the optimizer uses.
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The column contains.child has the part number of a part that is a component of the parent. The problem is usually stated in terms of a manufacturing inventory. Consult your installation instructions. -559 Cannot create a synonym on top of another synonym. -560 Synonym with tabid number not found in systables. -561 Sums and averages cannot be computed on Informix Odbc Error Read 2 Aug 12 - channelbiz - Oninit Group launches Pay Per Pulse cloud-based service...

Wrong number of arguments to database server process. -921 System error. Informix Cursor Example Lester Knutsen (IBM Champion) writes about database back up safety using "archecker"... Read 19 May 10 - ZDNet - IBM software in your home? http://knowledgebase.progress.com/articles/Article/9925 Cursor Input Modes For purposes of input, a cursor operates in one of two modes, sequential or scrolling.

How can the cursor be closed when I'm opening it with a select statement? Informix Error 951 In cases where the active set is entirely generated and saved in a temporary table, the database server can take quite some time to open the cursor. The iterative approach described earlier is not the only way to approach the parts-explosion problem. These operations are performed with SQL statements named DECLARE, OPEN, FETCH, CLOSE, and FREE.

Informix Cursor Example

The Active Set for a Scroll Cursor All the rows in the active set for a scroll cursor must be retained until the cursor closes because the database server cannot be This information is not made available, however. Informix Cursor With Hold Please consult your installation instructions. -370 Cannot drop last column. -371 Cannot create unique index on column with duplicate data. -372 Cannot alter table with audit trail on. -373 DBPATH too There Is No Current Cursor Informix Informix JDBC Driver Programmer's GuideAppendix A: Sample Code Contents Index optofc.java /*************************************************************************** * * Title: optofc.java * * Description: Show the differnce in the behavior when OPTOFC is set * *

These versions have no measurable difference in performance because the time cost of a test of SQLCODE is a tiny fraction of the cost of a fetch. check over here Afterward, it can tell the program exactly how many rows the active set contains. Read 28 May 12 - Bloor - David Norfolk on the recent Informix benchmark "pretty impressive results"... Please tell us how we can make this article more useful. Informix Sql Error

See Trademarks or appropriate markings. The surviving table is either nonfragmented or hash-fragmented and must appear in the attach list in order for its existing fragment(s) to be properly positioned in the resulting fragmentation scheme. -787 The Active Set and Concurrency When only one program is using a database, the members of the active set cannot change. his comment is here One of these is the parts-explosion problem, sometimes called Bill of Materials processing.

Atlassian Login by ID Login by Member # Save Password: Save Join IIUG Search IIUG.org Search Software Search CDI for match all match any Informix Error Codes List A program that returns a total count of each component part is much more complicated. Read 10 February 2010 - The Wall Street Journal - International Business Machines is expanding an initiative to win over students and professors on its products.

Read 27 Jan 11 - exactsolutions - Exact to Add Informix Support to Database Replay, SQL Monitoring Solutions...

The ABSOLUTE option specifies the rank number of the row to fetch. Number and names of servers rolled back - servers. -699 Transaction heuristically rolled back. -700 Statement is invalid within a global transaction. -701 Statement is invalid within the XA environment. -702 How do they lure the college crowd?... Informix Error 908 All rights reserved.

These relationships are documented in a single table, which might be called contains. The INTO clause specifies which variables receive data. Read 1 Mar 12 - IBM Data Management - IIUG Heads West for 2012 - Get ready for sun and sand in San Diego... http://mttags.com/informix-error/informix-error-951.php So I use a same jdbc connection with setAutoCommit(false) and setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED).

Read 31 May 11 - Smart Grid - The meter data management pitfall utilities are overlooking... Powered by vBulletinCopyright ©2000 - 2016, Jelsoft Enterprises Ltd.Forum Answers by - Gio~Logist - Vbulletin Solutions & Services Home Register New Posts Advertising Archive Privacy Statement Sitemap Top Hosting and Cloud This situation is true as long as no other programs are modifying the same data concurrently. A company makes a variety of parts, for example.

Read 27 May 11 - IBM Data Management Magazine - IIUG user view: Big data, big time ( Series data, warehouse acceleration, and 4GLs )... Read 21 Mar 11 - Yahoo! Here is the parts-explosion problem: given a part number, produce a list of all parts that are components of that part. Read 10 Aug 12 - businessCLOUD9 - Is this the other half of Cloud monitoring?...

The problem is that it seems the cursor is closed after I commit at a number of rows. Read 09 Sep 13 - telecompaper - Shaspa and Tatung have shown a new smart home platform at Ifa in Berlin.