This is my first time that i use flyway and i need help.
In lifetime of the microservice the postgres DB can shut down. I want to know how can flyway can get connection to the db again when it is up.
From what I know, you could use connectRetries while configuring flyway. For example:
flyway{
url = <Your url>
user = <Your user>
password = <Your password>
driver = <Mysql/Postgres Driver>
schemas = <Your schema>]
connectRetries = 3
locations = <Migration file location>
}
Related
I am able to connect with snowsql and in cli I am able to manually set warehousename, dbname & schema name. But when i try to put the details in config file in connection property, it is not setting that up in cli. Below are the details in my config file -
[connections.my_conc_dev]
accountname = xxxxxxxxxx
username = xxxxxxxxxx
warehousename = LOAD_WH
dbname = UDHDEV
authenticator = ExternalBrowser
I am using below command to connect to snowsql -
snowsql -c my_conc_dev
It allows me to logged with account and username but not setting up warehouse, db and schema.
xxxxxxxxxxx#(no warehouse)#(no database).(no schema)
I just tested this with my version of snowsql and I think some of those property names are not quite right. Try this instead:
[connections.my_conc_dev]
accountname = xxxxxxxxxx
username = xxxxxxxxxx
warehouse = LOAD_WH
database = UDHDEV
authenticator = ExternalBrowser
The documentation says to use warehousename and dbname but I think it's supposed to be warehouse and database?
Might be an issue with the doc / older versions of snowsql might use different property names...
I am accessing the other database using elastic queries. The data source was created like this:
CREATE EXTERNAL DATA SOURCE TheCompanyQueryDataSrc WITH (
TYPE = RDBMS,
--CONNECTION_OPTIONS = 'ApplicationIntent=ReadOnly',
CREDENTIAL = ElasticDBQueryCred,
LOCATION = 'thecompanysql.database.windows.net',
DATABASE_NAME = 'TheCompanyProd'
);
To reduce the database load, the read-only replica was created and should be used. As far as I understand it, I should add the CONNECTION_OPTIONS = 'ApplicationIntent=ReadOnly' (commented out in the above code). However, I get only the Incorrect syntax near 'CONNECTION_OPTIONS'
Both databases (the one that sets the connection + external tables, and the other to-be-read-only are at the same server (thecompanysql.database.windows.net). Both are set the compatibility lever SQL Server 2019 (150).
What else should I set to make it work?
The CREATE EXTERNAL DATA SOURCE Syntax doesn't support the option CONNECTION_OPTIONS = 'ApplicationIntent=ReadOnly'. We can't use that in the statements.
If you want achieve that readonly request, the way is that please use the user account which only has the readonly(db_reader) permission to login the external database.
For example:
CREATE MASTER KEY ENCRYPTION BY PASSWORD = '<password>' ;
CREATE DATABASE SCOPED CREDENTIAL SQL_Credential
WITH
IDENTITY = '<username>' -- readonly user account,
SECRET = '<password>' ;
CREATE EXTERNAL DATA SOURCE MyElasticDBQueryDataSrc
WITH
( TYPE = RDBMS ,
LOCATION = '<server_name>.database.windows.net' ,
DATABASE_NAME = 'Customers' ,
CREDENTIAL = SQL_Credential
) ;
Since the option is not supported, then we can't use it with elastic query. The only way to connect to the Azure SQL data with SSMS is like this:
HTH.
I migrated my database from sqlite3 to postgresql with the following three steps
I create a sqlite dump file with
sqlite3 app.db .dump > app_dump.sql
I create a postgresql database and initialized it with my models.py file as
python manage.py db init
where manage.py is
SQLALCHEMY_DATABASE_URI = 'postgresql+psycopg2://appuser:777#localhost/app_db'
migrate = Migrate(app, db)
manager = Manager(app)
manager.add_command('db', MigrateCommand)
if __name__ == '__main__':
manager.run()
I used only the insert lines in the dump file to populate the new database.
This worked well, however I do want to have a whoosh search in my User table.
My models.py looks like this
if sys.version_info >= (3, 0):
enable_search = False
else:
enable_search = True
import flask.ext.whooshalchemy as whooshalchemy
class User(db.Model):
__searchable__ = ['username','id']
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(100), index=True)
if enable_search:
whooshalchemy.whoosh_index(app, User)
However, the search does not seem to work at all. I fear that the table has not been properly indexed? Anybody know how I can fix this?
thanks
carl
EDIT:
Solved it... have a look at
https://gist.github.com/davb5/21fbffd7a7990f5e066c
By default flask_whooshalchemy indexes a record when the sqlalchemy session commits. So if you want to index all non-indexed-data you can try my fork which is called flask_whooshalchemyplus see the manually indexing introduction.
When I start phpMyAdmin, it does not list a database I have access too.
I know that the db exists and that I have access too, because its is the database used by one of my Joomla site.
I picked up the credential from my joomla configuration to the config.inc.php file.
Here is the file:
$cfg['Servers'][$i]['verbose'] = 'SQL9_MODULES';
$cfg['Servers'][$i]['host'] = 'sql9.modules';
$cfg['Servers'][$i]['port'] = '';
$cfg['Servers'][$i]['socket'] = '';
$cfg['Servers'][$i]['connect_type'] = 'tcp';
$cfg['Servers'][$i]['extension'] = 'mysql';
$cfg['Servers'][$i]['auth_type'] = 'config';
$cfg['Servers'][$i]['user'] = 'xxxx';
$cfg['Servers'][$i]['password'] = 'yyy';
$cfg['DefaultLang'] = 'en';
$cfg['ServerDefault'] = 1;
$cfg['UploadDir'] = '';
$cfg['SaveDir'] = '';
I tried as mentionned in other post this command :
SELECT SCHEMA_NAME AS `Database` FROM INFORMATION_SCHEMA.SCHEMATA;
The results is empty.
I have also started the "Synchronize" function from my joomla database to my joomla database and pma found all the tables !!!!
The I tried to write some selects directly on the tables but I got a
#1046 - No database selected
Last remark, this is shared hosting, so I cannot connect as root to grand me some extra privileges !!
Thanks for your help
MySQL version : 5.1.66-0+squeeze1-log - (Debian)
phpMyAdmin version : 3.5.3
Update:
SHOW GRANTS FOR CURRENT_USER
gives
GRANT USAGE ON *.* TO 'xxxx'#'%' IDENTIFIED BY PASSWORD '*****************'
GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE ON `xxxx`.* TO 'xxxx'#'%'
Any missing grants ?
Got answer from my ISP support. Needed to add the following line in the configuration:
$cfg['Servers'][$i]['only_db'] = 'my-database';
Now it works.
I am new to PowerBuilder.
I want to retrieve the data from MSAccess tables and update it to corresponding SQL tables. I am not able to create a permanent DSN for MSAccess because I have to select different MSAccess files with same table information. I can create a permanent DSN for SQL server.
Please help me to create DSN dynamically when selecting the MSAccess file and push all the tables data to SQL using PowerBuilder.
Also give the full PowerBuilder code to complete the problem if its possible.
In Access we strongly suggest not using DSNs at all as it is one less thing for someone to have to configure and one less thing for the users to screw up. Using DSN-Less Connections You should see if PowerBuilder has a similar option.
Create the DSN manually in the ODBC administrator
Locate the entry in the registry
Export the registry syntax into a .reg file
Read and edit the .reg file dynamically in PB
Write it back to the registry using PB's RegistrySet ( key, valuename, valuetype, value )
Once you've got your DSN set up, there are many options to push data from one database to the other.
You'll need two transaction objects in PB, each pointing to its own database. Then, you could use a Data Pipeline object to manage the actual data transfer.
You want to do the DSNLess connection referenced by Tony. I show an example of doing it at PBDJ and have a code sample over at Sybase's CodeXchange.
I am using this code, try it!
//// Profile access databases accdb format
SQLCA.DBMS = "OLE DB"
SQLCA.AutoCommit = False
SQLCA.DBParm = "PROVIDER='Microsoft.ACE.OLEDB.12.0',DATASOURCE='C:\databasename.accdb',DelimitIdentifier='No',CommitOnDisconnect='No'"
Connect using SQLCA;
If SQLCA.SQLCode = 0 Then
Open ( w_rsre_frame )
else
MessageBox ("Cannot Connect to Database", SQLCA.SQLErrText )
End If
or
//// Profile access databases mdb format
transaction aTrx
long resu
string database
database = "C:\databasename.mdb"
aTrx = create transaction
aTrx.DBMS = "OLE DB"
aTrx.AutoCommit = True
aTrx.DBParm = "PROVIDER='Microsoft.Jet.OLEDB.4.0',DATASOURCE='"+database+"',PBMaxBlobSize=100000,StaticBind='No',PBNoCatalog='YES'"
connect using aTrx ;
if atrx.sqldbcode = 0 then
messagebox("","Connection success to database")
else
messagebox("Error code: "+string(atrx.sqlcode),atrx.sqlerrtext+ " DB Code Error: "+string(atrx.sqldbcode))
end if
// do stuff...
destroy atrx