A Meltano target for MySQL.
Project description
macrometa-target-mongo
macrometa-target-mysql
is a Macrometa connector for writing data into MySQL, can be used as a target for any
Data Mesh Integration.
Installation
Use PIP for installation:
pip install macrometa-target-mysql
Configuration
The available configuration options for macrometa-target-mysql
are:
Property | Type | Required? | Description |
---|---|---|---|
host | String | Yes | MySQL host |
port | Int | Yes | MySQL port |
username | String | Yes | MySQL user |
password | Password | Yes | MySQL password |
database | String | Yes | MySQL database name |
target_table | String | Yes | Destination table name |
batch_flush_size | Int | No | Maximum size of batch. Exceeding this will trigger a batch flush |
batch_flush_interval | Int | No | Time between batch flush executions |
hard_delete | Boolean | No | When hard_delete option is true, DELETE SQL commands will be performed in MySQL to delete rows |
add_metadata_columns | Boolean | No | Metadata columns add extra row level information about data ingestion, |
(i.e. when was the row read in source, when was inserted or deleted in MySQL etc.) Metadata | |||
columns are created automatically by adding extra columns to the tables with a column prefix _SDC_ . |
|||
The column names are following the stitch naming conventions documented at | |||
link. | |||
ssl | Boolean | No | If set to true then use SSL for connecting with MySQL. |
If the server does not accept SSL connections or the client certificate is not recognized | |||
then the connection will fail. | |||
ssl_check_hostname | Boolean | No | Flag to configure whether SSL handshake should verify that the certificate |
matches the DB hostname. | |||
ssl_root_ca_cert | File | No | Specific CA certificate in PEM string format. This is most often the case |
when using self-signed server certificate. |
|||
ssl_client_certificate | File | No | Specific client certificate in PEM string format. The private key for the client |
certificate should be specified in a different parameter, SSL Client Key. | |||
ssl_client_key | File | No | Specific client key in PEM string format. |
Configurations can be stored in a JSON configuration file and specified using the --config
flag with
macrometa-target-mysql
.
Usage
cat <input_stream> | macrometa-target-mysql --config <config.json>
<input_stream>
: Input data stream<config.json>
: JSON configuration file
macrometa-target-mysql
reads data from a Singer Tap and writes it to a MySQL database. Run Singer Tap to generate
data before launching macrometa-target-mysql
.
Here's an example of using Singer Tap with macrometa-target-mysql
:
tap-exchangeratesapi | target-mysql --config config.json
In this case, tap-exchangeratesapi
is a Singer Tap that generates exchange rate data. The data is passed to
macrometa-target-mysql
through a pipe(|
), and macrometa-target-mysql
writes it to a MySQL database. config.json
contains
macrometa-target-mysql
settings.
Developer Resources
Initializing the Development Environment
pipx install poetry
poetry install
Creating and Running Tests
Create tests in the macrometa_target_mysql/tests
subfolder and run:
poetry run pytest
Use poetry run
to test macrometa-target-mysql
CLI interface:
poetry run target-mysql --help
Testing with Meltano
Note: This target functions within a Singer environment and does not require Meltano.
Firstly, install Meltano and necessary plugins:
# Install Meltano
pipx install meltano
# Initialize Meltano in this directory
cd target-mysql
meltano install
Then, test and orchestrate with Meltano:
# Call tests:
meltano invoke macrometa-target-mysql --version
# Or execute pipeline with Carbon Intensity sample tap:
meltano run tap-carbon-intensity target-mysql
Reference Links
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