new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.
new UNIDAC (11.0) don't support Unicode? older version (9.3) done well.
ODAC 13.4.1 different behaviour related to ODAC 9.0.1 related to persistent fields on Delphi 7 and Oracle 19.22
Hello, Recently we updated our libraries on an old but important project from ODAC 9.0.1 to ODAC 13.4.1 and we observed the following: After the update in case an OraQuery gets a persistent field having the size property holding a value less than the
Maximum Depth Of An Expression Tree in direct mode on TUniConnection
Hi, how I can increase Maximum Depth Of An Expression Tree value in direct mode on TUniConnection?
Update Failed
Hi I upgraded to IBDAC 10.0.0 and now there is an error after inserting a record. (after the refresh) "Update Failed Found 0 records" Now I have downgraded to 9.3.0 and it works again. I have a TIBCQuery-Object with SQL: SELECT KDMANAG.*, (Select MINAME
Update from 9.5.15 for RAD Studio XE4 to most recently
Hello, I am currently using version 9.5.15 of your product with RAD Studio XE4. I would like to know if there are commercial options available to upgrade my license to a more recent version. Could you please provide details on the upgrade process, pricing,
MyDAC with Lazarus
I am currently using myDAC Professional 13 with Delphi 12.1 and would like to test with Lazarus. Just checking - I would need to upgrade to MyDAC Professional with Source Code? Are there any docs on how to install myDAC for Lazarus?
Firebird - RETURNING not working
Hello. I'm having problem in Firebird with RETURNING value with latest Unidac 10.1.0 on Delphi 11 update 3. Problem occurs when "same" query is used for SELECT and INSERT/UPDATE. I've attach db.txt with sample table T1 with three fields (ID,f1,f2). Here
Connecting to a PostgreSQL database using SSL when the server requires SNI
Hello, We have a problem connecting to a certain cloud PostgreSQL database using SSL, because the server requires a server name indicator (SNI). We tried the both connection ways described in the "Connection to PostgreSQL through SSL in Delphi" manual
RAD Studio 13 Florence
Hi, I was wondering when mysqldac delphi components would be available for RAD Studio 13 Florence?
Strange Refresh Failed error message
Hello, I have a TOraQuery component, with a relatively simple select. It joins tables for the master table called ATB. select atb.rowid, atb.*, sby.c_nev1 c_belep_szintnev, bko.c_nev c_szervezetnev, saj.c_nev1 c_uzemkodnev, bkp.c_nev c_onelszamolonev,
IBDAC - Firebird 5 and the Option: isc_wish_list
The release notes for Firebird 5.0.3 state the following on page 43: https://www.firebirdsql.org/file/documentation/release_notes/Firebird-5.0.3-ReleaseNotes.pdf Engine provider sets isc_wish_list error in status and returns zero, when appropriate. Remote
Invalid Typecast exception on Insert/Update blobs
Hello peeps We're doing a migration from XE3sp2 to XE12.3 and I've stumble on an issue with saving blobs to an Oracle database. I've tried with and without direct mode but both resulted in a Invalid Typecast exception. Our previous implementation in c++
I own UniDAC for SQLite dbs on Android, but should I be using LiteDAC?
I only access SQLite dbs, and only on Android. I've read that LiteDAC is possibly faster for accessing SQLite. But does it lack any features that UniDAC provides, insofar as working with SQLite dbs? If not, I will buy LitDAC as well. Thanks for your
The problem of UniDac implementing SQLite database through multiple third-party encryption connections via TUNiconnect.
I am building a Delphi application that can connect to SQLite databases, But because there are multiple DLL implementations for encrypting SQLite databases, At the same time, the encrypted SQLite database cannot know the type of encryption, So I created
Advice on which Unidac components to use in android app
I have a small personal android app which accesses a sqlite database with several tables. The app is single user, no db sharing. Only one table open at a time. Browse, add, edit, delete, search. I currently am trying out a TUniconnection, and a TUniQuery
Handling of NaN > DevArt Connection Exception
Hi, PostgreSQL DataAcess Components if there is "NaN" in a Numeric column (that is allowed per default by postgres). Devart will fail. The following easy example shows the problem, DevArt is unable to open this dataset. If there is one row in 1000000
Change order of ApplyUpdate
Hi Using CachedUpdate I need to have the delete statements to be fired before the inserts, is this possible? if not, i try to delete the deleted records before i can applyUpdates, but when i call apply after that i get error record to be deleted cant
Access Direct Mode Connection Fails if Database has a Query (View)
We get EAssertionFailed with a message beginning "jTYPE_ATTRIBUTE" (JetTable.pas line 5126) when using an Access database in Direct mode, but only if there is a query defined in the database. We are using UniDAC 10.3.1 for Rad Studio 10.4. Recent release
TUniLoader
I'm using TUniLoader with SQL Server and it works fine. I would to know when the component finishes writing data on the database. Is it at the end of OnPutData event?
Unidac connect to Oracle with LOAD_BALANCE
Hi, it's the first time I have to connect to an Oracle server in a datacenter with Load_Balance feature; I have received this connection string: PROD_SIT_DB_PROD= (DESCRIPTION=(CONNECT_TIMEOUT=5)(TRANSPORT_CONNECT_TIMEOUT=3)(RETRY_COUNT=3)(ADDRESS_LIST=(LOAD_BALANCE=on)(ADDRESS=(PROTOCOL=TCP)(HOST=178.168.75.148)(PORT=1521))(ADDRESS=(PROTOCOL=TCP)(HOST=178.168.75.149)(PORT=1521))(ADDRESS=(PROTOCOL=TCP)(HOST=178.168.75.150)(PORT=1521)))(CONNECT_DATA=(SERVICE_NAME=PDB.subset.vcnphx.oraclevcn.com)))
Unidaq Provider for NexusDB Embedded in Delphi 12.3
I'm trying to use UniDaq in Delphi12.3 to connect to an embedded NexusDB. I followed the instructions and recompiled nexusprovider290.bpk, which created a new nexusprovider290.bpl file in the ${DELPHICOMMONDIR}\Bpl folder, which is included in the path
ODAC - base class for BeforeOpen
Hi there. I'm trying to build an interposer class für TOraQuery. I couldn't find the correct base class, though. TOraQuery = class(Ora.TOraQuery) //TOraQuery = class(TMemDataSet) //TOraQuery = class(TCustomDADataSet) //TOraQuery = class(TOraDataset) //TOraQuery
#28000Access denied for user @localhost (using password: NO)
I have a large application where i : i have 14 datamodules. there's 1 main datamodule which contains the MyConnection component which is set at runtime and at design-time the connectionstring is empty every datamodule has a OnCreate event on all datamodules
New BOOLEAN datatype not supported with Oracle 23ai client
Hello, I am using the latest version of ODAC and Delphi. When I connect to an Oracle 23ai database, using an Oracle 23ai client, and I select (using TSmartQuery) from a table that has a column of datatype BOOLEAN (for example: Select * from user_domain_cols),
How to specify Time Zone format
Hello, It looks like there is now a way to specify time zone format in ODAC. How can I specify it in my code, if I want timestamps in query results (like a TSmartQuery attached to a grid) to always have a specific format. I want to use TZR, to solve the
Findkey in Cloned DataSet work?
Hello, I would like to confirm a question. Does the FindKey method work on a cloned dataset? In my tests, it does not work. In the IBDAC documentation, a restriction is that the cloned dataset does not allow the use of filters. Is the fact that FindKey
MyDAC login problems
I am using MyDAC 12.4.0 with Delphi 10.2 Using MyConnection1 and Myconnection Dialog Anytime there is a login mistake, wrong password or user, the second attempt throws the flowing error: assertion failure "d:\jenkins\workspace\DAC\MyDAC\Delphi\Dac\Common\Source\CRVioTcpSSL.pas"
dac290.bpl and pgdac290.bpl not compiled into exe
hello one and all, I'm getting back into Delphi, 12 right now, after last use with XE2. I started with 1 in 1995. anyway, I am evaluating PgDAV for direct connection into psql. when I copy and run the exe unto a native win11 machine and run it, the message
MyDAC MyConnection ignores Password
In various circumstances, the TMyConnection "Password" field doesn't seem to work properly. 1. In the Delphi Object Inspector, right after I enter a password into the Password field, if I then set Connected to True, a connect dialog pops up with the Password
Passing parameters to TUniStoredProc without SELECT privilege
Hello. I have MySQL database with some of the stored procedures for accessing data in it. The only global privilege enabled is EXECUTE, others are disabled. I'm trying to call a stored procedure in MySQL database with the help of TUniStoredProc using
Update SQLite Direct ?
Hello, Any ideas why you don't update the SQLite direct to the latest version ? Thank you
How to get entire BLOB content with dbExpress
I have a Firebird 3.x database with UTF8 characters, connected with Devart dbExpress from a Delphi Intraweb program and cannot get it to display more than one character of a BLOB memo field. Presumably I need to set something different when connecting
MyDAC and SDAC question
I am trying to retrieve data from MS SQL Server (about 40000 records) and copy them to TDictionary as fast as possible. My problem is that it is slow and some setting changes give strange results. What I do is: 1. I open TMSQuery object MSQArt, it takes
MyDAC Bug 12.4.0
I just switched to the new release and re-compiled my projects. Now I get this error, when I start my program: assertion failure "d:\jenkins\workspace\DAC\MyDAC\Delphi\Dac\Common\Source\CRVioTcpSSL.pas"
Unitable isindex and lookup do not work
Hello, i am using a UniDac UniTable to access a SQL server database. To view the structure of the table i need to know which fields are index fields and which ones are lookup connections. The tunitable has two properties which should give this information:
UniDAC 10.3.2 - Returning - Firebird 4 / Firebird 5
With 10.1.0 “Added support for multiple rows being returned by DML with the RETURNING clause” was introduced. I have now noticed that in a query with returning with Firebird 4 the returning is in the params (fields empty) and with Firebird 5 in the fields
UniDAC 10.4 Source Installation
Hi, I am trying to use Make.bat using Make.bat Delphi WIN32 but get the error: Embarcadero Delphi for Win32 compiler version 36.0 Copyright (c) 1983,2025 Embarcadero Technologies, Inc. odbcprovider290.dpk(28) Fatal: E2225 Never-build package 'rtl' must
Prevent ODAC from appearing in Delphi main menu
Hello, After I install ODAC components into Delphi, "ODAC" is inserted into Delphi's main menu. Is there a way to prevent (or remove) this? Thanks John Dorlon
Delphi 12.3 64bit-IDE support
Hi when can we expect the design-time controls for the 64bit IDE of Delphi 12.3 for the Delphi Data components ? Kind regards, Erik
[PgDAC] Error when executing SQL Query in table with blob files
Hi there, hope you'll ok. I recently started using PgDAC for queries that works with blob files, especially using the "execute" command of PostgreSQL (version 16). When i execute the query, i'm getting the following error: "ERROR: Assertion failure (D:\Jenkins\workspace\DAC\PgDAC\Delphi\Dac\PostgreSql\Source\PgSQLProtocol.pas,
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