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Delphi Data Access Components

Delphi Data Access Components is a line of DB connectivity solutions for such databases as: Oracle, Microsoft SQL Server, MySQL, InterBase, Firebird, PostgreSQL, SQLite, Microsoft Access, DB2, Sybase Advantage Database Server, Sybase Adaptive Server Enterprise, and other databases (using ODBC provider).

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Delphi Data Access Components

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44 results found

  1. Add an Option "EnableMonitoring" to Diable TSQLMonitor.OnSQL Event for an Object and its dependent Objects

    OnSQL Event could so be used for Tracking & Logging into DB without Infinite loops.

    http://forums.devart.com/viewtopic.php?f=24&t=31476

    6 votes
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  2. Internal Calc fields

    Support for InternalCalc fields. This is really usefull feature. And is supported by FireDac and ClientDataset.

    5 votes
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  3. Add property AutoStartTransaction

    To control the implicit transaction

    4 votes
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  4. Add compression ability to saveToStream/file of TVirtualTable

    I think, the memoryTables are most usefull as secondary tables whith data saved in master tables as BLOBs.
    In this case, is big advantage to be saved compressed.
    Maybe this behavior is better to be default as it saves space and time.

    4 votes
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  5. Make CachedUpdates work on master-detail datasets without requiring LocalMasterDetail

    Scenario: 100K customer (master rows) with an average of 10 contact (detail) rows each... totaling about 1M detail rows.

    Without CachedUpdates I set LocalMasterDetail to false, and each time I scroll on the master dataset UniDAC fetches the 10 or so detail rows from the database. I can insert, modify and delete rows and all is saved immediately (on Delete or Post).

    With CachedUpdates I have to set LocalMasterDetail to true. This means UniDAC will fetch 1M detail rows and filter them out locally. With large networked databases this is really not feasible as it generates too much network traffic…

    3 votes
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  6. batchUpdates: get a RowsAffected array

    When using batchUpdate, we have a total RowsAffected, but cannot know how many rows were affected by each individual parameter array item.
    So if you take different actions according to return value of RowsAffected, batchUpdates cannot be used.
    It would be nice to have a RowsAffectedArray (DynamicArray<__int64>, size = params.ValueCount) holding this value.

    3 votes
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  7. dbMonitor -- update/insert/delete statements should be reflected in UpdateTransaction

    if you apply two different transaction in TIBCQuery.Transaction and TIBCQuery.UpdateTransaction property, then dbMonitor will show update/insert/delete statements in TIBCQuery.Transaction branch.

    Actually it should be shown in TIBCQuery.UpdateTransaction branch

    RUS
    Если вы применяете две различных транзакции в свойствах TBCQuery.Transaction и TIBCQuery.UpdateTransaction то dbMonitor показывает выражения update/insert/delete в ветке транзакции TBCQuery.Transaction.
    Однако хотелось бы видеть в ветке TIBCQuery.UpdateTransaction

    3 votes
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  8. Add OnFetched event to TOraSQL or TCustomDADataSet class

    It looks that there is no universal solution to notify about moment when TOraSQL / TCustomDADataSet class (and its descendants) finishes fetching all data in NonBlocking mode.

    There should be added some event that related to Fetched method

    3 votes
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  9. Multiple dataset result in Unidac

    Multiple dataset result in Unidac. In SDAC it is possible to have multiple dataset as a result of executing a query. With CanOpenNext it is possible to open the next dataset. MySql has the same capabilities. We would appreciate to have this functionality the same way Sql Server componentset has it.

    3 votes
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  10. Combine the IDE menus for the DAC products to be under one Devart menu as sub menus.

    With all the different DAC products, I don't have space in my IDE for all the pull down menus. Especially since I have RemObjects, GExpers, MMX, etc, etc. It would be more optimal to have one single DevArt pull down menu in the IDE and then have a submenu for each DAC product.

    3 votes
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  11. populate fields inside watches window

    It would be great if I can simply right click on a table component (TIBCQuery in case of IBDac) and choose a command to display list of fields and select some of them or all then after press on ok all these fields added to the debugger watches window in format of <module>.<table>.FieldByName('Field_Name').As<Proper Data Type>

    This way I can quickly add watches for many fields from as many tables as I want at a single click and debug become more easier and faster

    3 votes
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  12. Connection Manager fna BdeAdmin

    replacement for BdeAdmin and TQuery.DatabaseName. Alias manager.

    3 votes
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    under review  ·  0 comments  ·  Common  ·  Admin →
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  13. More Features in TCRBatchmove - Events on errorr

    Add Events in TCRBatchmove to react if an error occurs.

    2 votes
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  14. Improve naming mechanism of some components

    Happy New Year to everyone !

    I'm wondering if you can implement one new thing in your components...

    TIBCDataSource put by a TIBCQuery makes automatically connection to this TIBCQuery. Could you extend this procedure by adding code that would name TIBCDataSource not standard IBCDataSource1 but eg. ds_ + name of Query component.

    Example
    I have IBCQuery component named qcompanies. New TIBCDataSource should be named dsqcompanies instead of IBCDataSource1.
    If you are smart enough, you could recognize, that "q    " a prefix of query component and name DataSource as ds_companies.

    It concern every your DAC component set.

    It…

    2 votes
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  15. Manual with more details for newbie programmers

    user manual for beginners who exemplefique simplified models to use advanced functions.

    The help system is very simplified and UNIDAC says very little for those who are migrating to SQL universe.

    Do you use one language for those who already have a much better knowledge of advanced programming examples in its accompanying suite

    2 votes
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  16. Green tick mark for answered queries?

    Perhaps it's an idea to have an indicator on each specific post to show whether a topic has been answered?
    This could be as simple as a check box indicating the post has been answered - filled in by the original requester when the requester is happy with the response(s).
    Once the tick box is completed the post could be flagged with an icon - e.g. a green tick mark - and thus considered 'closed'.
    Would help responders to skip those posts already answered and those wishing to find answers to skip those posts that have not yet been answered.…

    1 vote
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  17. SqlMonitor : No "...monitoring is started/finished" event

    When I create a SqlMonitor but with Active := False the component or unit is sending a string to the monitor to say, that it has started, although it's inactive.
    Now imagine that with some 50 or 100 clients and you want to check the SQL of 1 certain workstation.

    Couldn't that be turned off ?

    1 vote
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  18. sql monitor: support query execution

    It would be helpful in the SQL Monitor to execute the query I'm seeing to see the result set my app receives.
    Sometimes I have to check something where the client is and I place the sql monitor to see, what SQL my app is sending and have to enter with a db explorer to check the sql with the parameters sent, what the result is. It would be cool, if the dbmon could have that built in, because the dbmon already has the sql and the params right there.

    This would often make my work much easier

    1 vote
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  19. Fix TMyDump

    TMyDump.Backup() writes all Views in alphabetical order. However, if there are inter-joins among Views the database may not be restored, as the Views must be restored according to their dependencies.

    I strongly suggest fixing TMyDump.Backup. The algorithm should analyze the dependencies among Views and account for the correct order of joins.

    1 vote
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  20. dbMonitor needs an upgrade, adding some basic common sense functionality

    It's about time dbMonitor had a long awaited upgrade with some really basic common sense pieces of functionality added.

    1) Add buttons to clear terminated processes and all processes. Come on guys, having to select each process one by one to clear it is, quite frankly, ridiculous and poor UI design.

    2) Parameters should be formatted according to the DB you're connected to.
    E.g. for Oracle
    Like this...
    :SrcSchema VARCHAR2(13) :='MY_SCHEMA' ;

    rather than this

    :SrcSchema(VARCHAR[13])='MY_SCHEMA'
    Why? Well it allows us developers to set up anonymous blocks quickly to test the same call, if say an error occurs. Currently I…

    1 vote
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