Using Merge Replication, Parameterized Filters

Oct 6, 2006



Dear ppl,

I am using Merge Replication between SQL Server 2005 (Publisher) and Pocket PC (SQL Mobile 2005-Subscriber). I have a Windows Mobile appliction on the Pocket PC that replicates data from the server.

I am using SqlCeReplication class on the Pocket PC application to synchronise the data. By default, when i call the Syncrhonise() method, it pulls all the data from the server. What I want is to pass a parameter from the Pocket PC and filter the data based on that paramter. E.g. from the Employee table, I want only those Employee that belongs to a CompanyID that I pass as a parameter.

Is there a way to do this, so that i can pass parameters from my PDA application (Windows Mobile), and make the Filters specified in the Publication to use that parameter to filter out the rows.

Regards
Nabeel Farid

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Merge Replication And Dynamic Filters

Jan 5, 2005

Hi,

I would like to setup a merge replication from a main database (publisher), to around 100 client databases (subscribers), that contain only subset information for each distinct client: each client has then its own database to view and modify its own data (Filtered on rows and columns). The client databases will initially be hosted on the same SQL server Instance.

I don't want to setup manually 100 publications with static filters, and more may come in the future: a pain to setup and maintain because I have to configure the tables, the columns and the row filters (and joins) each time.

I would like then to setup one publication with a dynamic filter, to filter in a way or another on a specific client. Creating subscribers becomes then a piece of cake. The dynamic filter would apply based on a property specific to the client, but... HOW?

Filtering on HOST_NAME() will not work because several subscribers are on the same server.

Filtering on SUSER_SNAME() will not work because merge agent will always use the same user name for connecting to the publisher (using push subcription, all merge agents are on the same server), and I have not find out how it can be configured by merge agent: even if the merge agent jobs have different owner, it is always the SQL Server Agent login that is used to connect to the publisher (I am using windows authentication).

I was thinking about using DB_NAME(), and have specific db name for each client DB, but DB_NAME() provides the name of the publisher DB, not the subscriber DB. etc ...

What could I use in this case to dynamically filter on client data without having to fall into heavy replication administration and setup.

Thanks for your help,

Best regards

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Parameterized Filters On Publication???

Oct 20, 2006

Does anyone know if you can use any other parameters in the row filters for merge replication besides the functions SUSER_NAME() and HOST_NAME()?

I would like to create a publication for a couple thousand mobile databases to replicate with one SQL Database but filter what data they get based on some parameters. Do I have to hard code WHERE statements into static filters and create a publication for every user (seems a little ridiculous)?

Is there a proper way to do this using the SUSER_NAME and give each user a different connection name that will filter data properly?

Thanks,

Patrick Kafka

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Disappearing Parameterised Filters And Filter Joins In Publication Properties Page Of Replication Monitor

Jan 22, 2007

Hi,

We have an issue with our replication configuration when viewed through replication monitor. Parameterised Filters and joined filters don't appear in the gui. However, when we script the publication all the filters are present.

This issue only seems to occur when we have a remote distributor.

I should also point out that we have a merge push topology that uses a custom RMO synchronisation component on a separate server to either the publisher or the distributor. Also all the databases in the topology are called the same name. This has caused us other issues relating to this topology in particular so I raise it here as well although I don't expect it to be the case in this instance.

Any help would be greatly appreciated in clarifying this matter.

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Aug 30, 2007

Hi all,

I know that adding a column using ALTER TABLE to add a column automatically allows SQLSERVER 2005 to replicate the schema changes to the subscribers, however, I would like to add a new column to an existing article that is being used for merge replication, however, I don't want this column to be replicated. Re-initialising the subscriptions is not a option. Help would be appreciated.

I am using SQLSERVER 2005 (SP1).

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Oct 9, 2007

I am working on bringing our disaster recovery site to be a live site. Currently we replicate to one of out servers (server B) with merge replication (from server A). Server A also does one way transactional replication form some table to several other servers including servers at the DR site.

This setup is not going to be fast enough for what we need so I am wondering if a table is receiving merge replication will the merge updates also replicate down the transaction path??

Example...
Server B update a row and merges to Server A. With this update them replicate (via transactional) to Server C??

thanks...

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Feb 14, 2002

Hi everbody,
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Thanks in advance

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Aug 12, 2002

Hi,

My production box is running on NT4.0,SP6, SQL Server7.0,SP2. We implemented Merge replication. Working fine last 7 months. Last weekend i disabled replication, Successfully removed Distributor and Publishor. After that try add new fileds but won't allowed me. It's give the error message. I Also found Some Conflict_tables found almost 20 tables. All system Tables. Can delete these these tables, if i delete any problem my database.
I added filelds many times but this time i got errors.

Please help me anybody.

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Jul 31, 2000

I have just installed replication on our production server to Merge Replicate with a Laptop server that will travel from time to time. I have now noticed that we cannot add or change any fields or attributes on the tables which are being replicated (which are all tables in the DB). This is a problem because we are changing and adding columns all of the time. Is there a way around this issue like shutting down the replication service or something? I have been unsuccessful in finding a way around this other than removing replication while we make changes.

Thank you in advance for any help!

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Jan 22, 2001

I have implemented a Merger replication on our development server and I get a fillowing error when I try to update one of the table in publisher.
"Transaction cannot start while in firehose mode"

What does this mean.

Thank You,
John

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Dec 19, 2000

Hi,
I read some where that replication has two types conflict resolution, 1. row based and 2. Column based...
If I am right...
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Thanks,

Mohammed.

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Sep 16, 1999

Hi all,

I have a merge replication going between 4 servers. The problem is when ever I do some BCP transfer to one of the tables in one of the servers. It puts the data in that table. But that Data does not get replicated to any other server like it should.

Please Advice on what to do. Is there any option I am forgetting to set or something.

Thank you for all your time in advance.
Aziz

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Sep 12, 2003

I have successfully tried merge replication on single server with 2 databases.
now i want to do the same with different servers,
when i create pull subcription on server 2 which user account should I use?
it is giving log in failure
i tried using windows admin account and also the 'sa' account.

please help me out
thanks

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Feb 23, 2004

Hi All,

I have posted this earlier and I am re-posting it simplifying what I had said.

The scenario is:

I have two sql server database instances with the same database schema and all. However, both of them have different data. I have not set them for replication at all. Now, I want to do merge replication between them such that the data between them could be syncronized.

When I do pull merge subscription I have two choices -
1.Bringing schema and data to subscriber from publisher

2.Not bringing the schema and data from publisher to subscriber.

Obviously, I chose the second choice. But upon syncronizing I dont see any data from publisher coming to subscriber and vice-versa. If I add new data to publisher and do syncronization, I can see ONLY the new data created after the replication setup in subscriber. If I add new data to subscriber and do syncronization then the new data is removed from subscriber and not propagated to publisher.

Is there any way I can make this work??

Niben

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Jan 2, 2007

Hi,

I have just set up Merge replication, I have two servers, server A and server B, the merge replication worked successfully but I don't quite sure which databases should or should not replicated? If not, what other methods should I use?

I would really appreciated any comments or advice out there!

-whitebelt

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Merge Replication

Mar 21, 2002

I had set up merge replication. I got these error messages where replications starts "Column names in each table must be unique. Column name 'PubID' in table 'bonflict_DBName_PHP_Data_Publications' is specified more than once "

PHP_Data_Publications table defind as:

CREATE TABLE [dbo].[PHP_Data_Publications] (
[PHP_Pub_ID] [uniqueidentifier] NOT NULL ,
[PHP_Data_ID] [uniqueidentifier] NOT NULL ,
[PubID] [uniqueidentifier] NOT NULL ,
[UserID] [uniqueidentifier] NOT NULL ,
[Username] [varchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Publication] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[Pub_Year] [datetime] NULL ,
[Pub_Name] [nvarchar] (50) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ,
[rowguid] uniqueidentifier ROWGUIDCOL NOT NULL
) ON [PRIMARY]
GO

ALTER TABLE [dbo].[PHP_Data_Publications] WITH NOCHECK ADD
CONSTRAINT [DF__PHP_Data___rowgu__01E91FA0] DEFAULT (newid()) FOR [rowguid]
GO

CREATE UNIQUE INDEX [index_1466488303] ON [dbo].[PHP_Data_Publications]([rowguid]) ON [PRIMARY]
GO


Thanks,

Chanthol

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Oct 11, 2001

Hi

Is it possible to modify or add new fields in sql 2000 when the instance
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Thanks
Pheckz

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Oct 12, 2001

Hi everbody,

Anybody tell me about implementation of oneway merge replication.
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Feb 5, 2001

Hi everyone

SQL Server BOL says merge replication can be done in only one direction. But my understanding is Merge replication happens in both ways between publisher and subscriber.

How can i allow data movement from only wince sql ce subscribers and not from publisher running sql 2000 and win 2k.

Please reply immediately bcoz i require a solution which has to be implemented very soon.

Thanks in advance

Satheesh

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Jun 29, 2004

hi,
in merge replication,i make a request subscriber with a priority 25.00,when i update the same date,it always choose the update from the publishing server,why????how does it work???
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Oct 5, 2004

I am using merge replication at remote connected via ISDN Dialup line. I got following error and replication fail.


publisher - PRSTGINDSQLIND
agent - PRSTGINDSQLIND-pml-pml-192.168.100.50SQLDWS-4
publication - pml
subsctription - 192.168.100.50SQLDWS:pml
error - The process could not deliver the snapshot to the Subscriber.
Agent Merge replication provider -2147201001
Agent 192.168.100.50sqldws 20037
ODBC 192.168.100.50sqldws


Agent - PRSTGINDSQLIND-pmst-pmst-192.168.100.50SQLDWS-3
error - The subscription to publication 'pmst' is invalid.
last command {call sp_MSgetreplicainfo(?,?,?,?,?,?,?)}


Thanking You

R.Mall

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Jan 4, 2005

I am in a process of learning Replication in MSDE, especially Merge Replication

Server runs on MS-XP Professional
--------------------------------------
I have a sample Access project 'ReplTest' which has only table with only 2 columns.
DatabaseName:ReplTestDB
Table Name :TestTable
MSDE Instance Name:SVRMYINSTANCE

Now I would like to know how I can configure this database for merge replication
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Laptop runs on MS-XP Professional
--------------------------------------
I have another access project which is running on computer 2 and connected to the
ReplicaTest database.

MSDE Instance Name:LPTMYINSTANCE

My task is, when I am disconnected from server I would like to have a local copy of
the database to work with and then, when reconnected, need synchronization with the
server database and continue working from server database.

How to write this replication process from scratch using SQL-DMO objects in both Server computer
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I dont have enterprise manager in both computers since they use only MSDE

Can anyone help me?

Thanks in advance

JP

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Jan 18, 2006

Hi,
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Aaron
:(

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Mar 7, 2006

Hello,

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