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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).

http://www.devart.com/dac.html

Delphi Data Access Components

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241 results found

  1. Add DefaultFormat property to TIBCQuery for Date and Numeric fields.

    It would be nice to have more control over display formats for Date and Numeric fields.
    So having a DefaultFormats property like FIBPlus has, would be of great value.

    FIBPlus implementation:
    DefaultFormats: TFormatFields;

    TFormatFields = class(TPersistent)
    DisplayFormatDateTime:string;
    DisplayFormatDate:string;
    DisplayFormatTime:string;
    DisplayFormatNumeric:string;
    EditFormatNumeric:string;
    ....
    end;

    3 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  2. 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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    0 comments  ·  Common  ·  Admin →
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  3. Spatial datatypes

    Support for MySQL Spatial datatypes so that they could be read and written. Geometry is saved as CBLOB field, but not usable as is.

    7 votes
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    0 comments  ·  MySQL  ·  Admin →
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  4. TIBCAlerter.Synchronize property

    The component TIBCAlerter should have a property called Synchronize to listen for events in the background thread same like TFDEventAlerter component

    3 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  5. Adding 'Persistent Indexes' to the TVirtualTable

    Could you consider to add the 'Persistent Indexes' to the TVirtualTable ?

    In this case the table could be have a few indexes. Inserting/deleting records will modify all indexes. The searching data will use existing indexes without recreating them. Something like in DBF files with several *.ndx files. Before searching the presistent index will be chose by index name and searching will use this index.

    At this moment it is possible to use only one index by setting the VirtualTable.IndexFieldNames property. Changing this property recreates the index, and for large table (>3000) takes time.

    The 'Persistent Indexes' are used in…

    7 votes
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    0 comments  ·  Common  ·  Admin →
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  6. improve you web side by putting away the left side bar of facebook

    improve you web side by putting away the left side bar of facebook

    1 vote
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  7. Add savetoJSON to uniquery

    As JSON more popular。
    It's time to support JSON in uniquery.

    43 votes
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    2 comments  ·  UniDAC  ·  Admin →
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  8. dbMonitor - Allow the copy of the parameters value in the clipboard

    7 votes
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  9. Adding comment feature as property to UniDAC components

    Add a "comment" property to possible UniDAC components. It could be very helpfull to add comments to TUniConnection, TUniQuery, TUniTable, ... because technical names are often short or meaningless and a comment can translate it into a meaningful description.

    8 votes
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    0 comments  ·  UniDAC  ·  Admin →
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  10. Implementing UpdateOptions - TIBCQuery

    Two users modify the same field in the table,
    Error want to show the second user to save data.

    -) Using a TClientDataser and TDatasetProvider, no problem, works well.

    -) TFDQuery component FireDAC the Embarcadero it has the property
    Property: UpdateOpcions
    UpdateMode:
    upWhereAll
    upWhereChanged
    upWhereKeyOnly

    Implementing this property in TIBCQuery
    solve my problem of concurrency.

    thanks

    132 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  11. In TOraStoredProc storedproc editor "parameters" tabset please add a "mandatory" checkbox.

    At execproc runtime call when this option is checked and the value of the parameter is null display a warning message.

    When "mandatory" is not checked nothing is done and the component workd like before.

    The principe is a bit like "assertions" in code ... we want to make sure that parameters required by procedures are filled by programmers and not forgotten.

    Thanks
    Those who don't want the feature can just ignore it.

    The concept could be extended to an assertion formula, but for us a checkbox is enought

    1 vote
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    0 comments  ·  Oracle  ·  Admin →
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  12. CodeTyphon compatability.

    Would love to see the DevArt components have compatibility for CodeTyphon (FPC/Lazarus fork) as well as instructions for installing/compiling.

    12 votes
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    0 comments  ·  Common  ·  Admin →
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  13. Improve data type mapping feature

    1. Allow set field type mapping / rules by CHARSET
      Ex: if db field charset is UTF8 set field as TWideStringField

    2. set field type mapping / rules by DOMAIN
      Ex: if db field domain is DM_BOOLEAN set field as TBooleanField

    3. [Optional] Separate TFieldMappings component that allow to define custom field mappings. TConnection/TQuery should have a property of this type.
      Useful when use multiple connections (for example in threads), to define mapping rules once and link all Connections to one common component.

    108 votes
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    0 comments  ·  InterBase/Firebird  ·  Admin →
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  14. TIBCQuery.OnScrollFinish

    Implement OnScrollFinish event that is fired at the end of the scrolling process.

    For example we need to adjust some elements of interface on record change, even perform an aditional sql query or other heavy calculations.

    For example, if user scroll fast over 20 records in a grid, relying on AfterScroll event imply a lot of unused work. So instead executing it 20 times, we may do this once after scroll process is finished.

    In fact, such kind of logic in *Dac already have it on Master/Detail "wait" magic, so it's not too much to change to have this kind…

    103 votes
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    2 comments  ·  InterBase/Firebird  ·  Admin →
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  15. Transaction should be closed when TIBCQuery (DataSet) is closed, and Transaction was started by that component. Same as IBX TIBTransaction.

    When I use TClientDataSet + TDataSetProvider + TIBCQuery and I open the ClientDataSet and also the TIBQuery is opend and closed, but the transaction is automaticlally started but not closed. In a n-tier solution (e.g. DataSnap) I open the ClientDataSet in the the client but have no access to the underlying Query and Transaction which is on the server side.

    The TIBTransaction has that feature implemented and is very handy to use.

    6 votes
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    2 comments  ·  InterBase/Firebird  ·  Admin →
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  16. Fastreport support using lazarus

    Accessing firebird database from fastreport runtime designer
    using lazarus.

    20 votes
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  17. TIBCTransaction.OnEnd

    Implement TIBCTransaction.OnEnd(Action: TTransactionAction)
    This event should fire at any transaction finish action: Commit/CommitRetaining/Rollback/RollbackRetaining.

    111 votes
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  18. SQLite - HTTP tunneling

    Using HTTP tunneling for SQLite our applications can manage remote -shared- data using just SQL, not php or other server side solutions. This reduces the time for all data management tasks significant...

    3 votes
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  19. 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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    0 comments  ·  Common  ·  Admin →
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  20. SaveToXml method from tIBCStoredProc or tQuery splited into several files

    Sometimes results is to big to be save or more often to be loaded into a tVirtualTable (not enough memory). Solution should be to split the result files into several smaller ones (according to line numbers or size).

    1 vote
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