mysql-python | Python DB API-2.0 compliant library | REST library
kandi X-RAY | mysql-python Summary
kandi X-RAY | mysql-python Summary
MySQLdb is a Python DB API-2.0 compliant library to interact with MySQL 3.23-5.1 (unofficial mirror)
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Top functions reviewed by kandi - BETA
- Convert a string to a Timestamp
- Parse a string into a DateTime object
- Parse a string into a date object
- Convert datetime to a string
- Format a datetime object
- Converts an array to a string
- Convert a thing to a literal
mysql-python Key Features
mysql-python Examples and Code Snippets
Community Discussions
Trending Discussions on mysql-python
QUESTION
I am trying to pass multiple Python variables to an SQL query in pymysql but always receive "TypeError: not all arguments converted during string formatting". For debugging purposes, there are no other records in this table:
...ANSWER
Answered 2022-Feb-02 at 23:09You are missing couple of %s
s. Correct statement:
QUESTION
I have been trying to install mysqlclient for hours now using a fresh anaconda environment in python 3.7.
I have looked up other post on stackoverflow.
when i try to import MYSQLdb in jupyter notebook:
...ANSWER
Answered 2021-Dec-04 at 21:04Try to import with error handling:
QUESTION
I am trying to develop a few data pipelines using Apache Airflow with scheduled Spark jobs.
For one of these pipelines, I am trying to write data from a PySpark DataFrame to MySQL and I keep running into a few problems. This is simply what my code looks like for now, but I do want to add more transformation to this in the future,
...ANSWER
Answered 2021-Oct-28 at 03:08
java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver
The first thing that I want to know is how I can solve the above issue.
You need to pass the JDBC connector when starting your Spark session https://spark.apache.org/docs/latest/sql-data-sources-jdbc.html.
Secondly, I would like to know what the best practice is when writing data from Spark to databases like MySQL. For instance, is there an option to make it so that data from a given column in the DataFrame is stored in a specified column in the table? Or should the column names of the table be the same as those of the DataFrame?
Yes, dataframe column names would match with table column names.
The other option that I can think of here is to convert the DataFrame to say, a list of tuples and then use something like the mysql-python-connector to load the data into the database,
rdd = df.rdd
b = rdd.map(tuple)
data = b.collect()
# write data to database using mysql-python-connector
No, never ever do this, this will defeat all purposes of using Spark (which is distributed computation). Check out the link above, you will find some good advises on where to start and how to read/write from/to a JDBC data source.
QUESTION
I am running Trac 1.2.2 on Python 2.7 with MariaDB on Ubuntu 18.04 and I have to move to Ubuntu 20.04 now. I know that Python 2.7 is not supported anymore, but I do still need to run it on my Ubuntu 20.04 server as I am running an older version of Trac which I can't upgrade right now because of plugins that are not working in the latest version...
So i migrated the MariaDB database, pip-installed MySQL-python with the help of this comment and I am now getting the following error in debugging-mode for Trac:
...ANSWER
Answered 2021-Mar-19 at 23:16I was able to solve this issue by my own. The file from this comment is not properly working under Ubuntu 20.04
I copied the file my_config.h from an Ubuntu 18.04 installation to my Ubuntu 20.04 into /usr/include/mysql and then did pip install MySQL-python again, and now everything works as it should :-)
QUESTION
There is a web page with a large piece of text on it.
I want to configure the state to perform a certain action if curl returns an error.
If the variable doesn't contain 'StatusDescription : OK'
How can I set up a check for a piece of text that is inside a variable
...ANSWER
Answered 2021-Mar-10 at 10:54I want to configure the state to perform a certain action if curl returns an error.
There is a Salt state called http which can query
a URL and return the status. Using this (instead of curl
) we can check for the status code(s) (200, 201, etc.), as well as matching text. Then we can use requisites to run subsequent states depending on the success/failure of the http.query
.
Example:
I have added a check for status code of 200, you can omit - status: 200
if you don't care about the status code.
QUESTION
I'm trying to install MySQL-python with pip. I'm using Python v2.7.18 and pip v20.3.4
I'm trying it with:
...ANSWER
Answered 2021-Feb-10 at 16:03You need to install dev libs for mysql client:
sudo apt-get install libmysqlclient-dev
QUESTION
During the execution of the state, the manager "Chocolate" installs the package RealVNC (Program Files\Real VNC) Next, I create a key in the registry. I want the keys to be created only if the VNC installation was successful. I have tried
...ANSWER
Answered 2021-Feb-02 at 06:08The requisites that we mention, such as require
, watch
, etc. should be references to other states that are "scheduled" to run on the targets.
About watch
Even though the path is created by installing the "realvnc" package, there is no Salt state to handle the path. That is why it is showing the error.
Quoting from documentation for watch
:
A
watch
requisite is used to add additional behavior when there are changes in other states.
So if you want to watch on a file, then there should be a state that "handles" the file using the file
module.
About require
Also, while specifying require
you are referring to pkg
module, so Saltstack would look for pkg.installed
for realvnc. Whereas you are using chocolatey.installed
.
So with below modifications it should work fine.
QUESTION
I am working on a short project that deals with simple MySQL-python functions and came with an error. Using sqlalchemy, I have tried connecting MySQL and python but an error keeps popping up.
...ANSWER
Answered 2020-Dec-27 at 16:15As mentioned in the comment to the question, engine.connect()
returns a SQLAlchemy Connection object which does not have an is_connected()
method.
If you want to access the is_connected() method of the MySQL Connector/Python connection object then you'll need to get a raw DBAPI connection by calling raw_connection()
…
QUESTION
I'm trying to write a recursive function to delete records using mysql-python-client: each time the function call depends on the last returning IntegrityError
message which can be used to create a new sql to be executed. At the beginning, the code ran smoothly, but it stops with an AssertionError
which cause by the err
is not a complete info like:
Cannot delete or update a parent row: a foreign key constraint fails (`db_name`.`a_table_name`, CONSTRAINT `FK_xxx` FOREIGN KEY (`foreign_key_name`) REFERENCES `incomplete_reference_table_name)
.
So, WHY is the error message incomplete and HOW to make it return a full complete message?
Additional Info: I tried with golang>"github.com/go-sql-driver/mysql"
and even navicat IDE the result is all the same. It seems it's a server side BUG?
ANSWER
Answered 2020-Nov-13 at 07:28Finally, I changed the implementation of how to query the reference tables in information_schema
, that solved the problem.
QUESTION
I'm facing a very strange error from few days now. I have a python2.7 project that was running smoothly but since few days its been throwing an error:
Process finished with exit code 134 (interrupted by signal 6: SIGABRT)
I'm using virtual environment for my project. What happened was that few days ago I tried installing nginx using brew command and what I believe is brew updated some dependencies that were being used for python2.7 project (this is what i think might be the case). Now since that day, I'm facing this issue and I have googled it everywhere but couldn't resolve. Below is some information you might need to figure out.
my requirements.txt file
...ANSWER
Answered 2020-Nov-09 at 09:08Seems like your libraries are unsigned/old. Try this: https://dbaontap.com/2019/11/11/python-abort-trap-6-fix-after-catalina-update/
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Install mysql-python
You can use mysql-python like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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