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"""
A example workflow for task datax.

This example will create a workflow named `task_datax`.
`task_datax` is true workflow define and run task task_datax.
You can create data sources `first_mysql` and `first_mysql` through UI.
It creates a task to synchronize datax from the source database to the target database.
"""


from pydolphinscheduler.core.process_definition import ProcessDefinition
from pydolphinscheduler.tasks.datax import CustomDataX, DataX

# datax json template
JSON_TEMPLATE = ""

with ProcessDefinition(
    name="task_datax_example",
    tenant="tenant_exists",
) as pd:
    # This task synchronizes the data in `t_ds_project`
    # of `first_mysql` database to `target_project` of `second_mysql` database.
    task1 = DataX(
        name="task_datax",
        datasource_name="first_mysql",
        datatarget_name="second_mysql",
        sql="select id, name, code, description from source_table",
        target_table="target_table",
    )

    # you can custom json_template of datax to sync data.
    task2 = CustomDataX(name="task_custom_datax", json=JSON_TEMPLATE)
    pd.run()