Apache airflow pandas12/8/2023 Returns Trino specific information for OpenLineage. Get_openlineage_database_info ( connection ) ¶ Replace ( bool) – Whether to replace instead of insert Set to 0 to insert all rows in one transaction. Target_fields ( Iterable | None) – The names of the columns to fill in the tableĬommit_every ( int) – The maximum number of rows to insert in one I also save the dataframe to file to pass it to the next task. Get the hook mysqlserver MySqlHook ('Employees') Execute the query df mysqlserver.getpandasdf (sql'select from employees LIMIT 10') Kudos to y2k-shubham for the getpandasdf () tip. Rows ( Iterable ) – The rows to insert into the table Here is a very simple and basic example to read data from a database into a dataframe. Insert_rows ( table, rows, target_fields = None, commit_every = 0, replace = False, ** kwargs ) ¶Ī generic way to insert a set of tuples into a table. Kwargs – (optional) passed into pandas.io.sql.read_sql method Sql ( str) – the sql statement to be executed (str) or a list of sql statements to execute Get_pandas_df ( sql = '', parameters = None, ** kwargs ) ¶Įxecute the sql and returns a pandas dataframe. Get_first ( sql = '', parameters = None ) ¶Įxecute the sql and return the first resulting row. Parameters ( Iterable | Mapping | None) – The parameters to render the SQL query with. Sql ( str | list ) – the sql statement to be executed (str) or a list of sql statements to execute get_records ( sql = '', parameters = None ) ¶Įxecute the sql and return a set of records. ![]() get_records ( sql ) ] conn_name_attr = 'trino_conn_id' ¶ default_conn_name = 'trino_default' ¶ conn_type = 'trino' ¶ hook_name = 'Trino' ¶ query_id = '' ¶ placeholder = '?' ¶ get_conn ( ) ¶ ph = TrinoHook () > sql = "SELECT count(1) AS num FROM airflow.static_babynames" > ph.
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