bug fix: write when table doesn't exist

bin/transport

@@ -24,7 +24,8 @@ from multiprocessing import Process
 
 import os
 import transport
-from transport import etl
+# from transport import etl
+from transport.iowrapper import IETL
 # from transport import providers
 import typer
 from typing_extensions import Annotated
@@ -60,10 +61,13 @@ def apply (path:Annotated[str,typer.Argument(help="path of the configuration fil
             _config = [_config[ int(index)]]
         jobs = []            
         for _args in _config :
-            pthread = etl.instance(**_args) #-- automatically starts the process
+            # pthread = etl.instance(**_args) #-- automatically starts the process
+            _worker = IETL(**_args)
+            pthread = Process(target=_worker.run)
+            pthread.start()
             jobs.append(pthread)
         #
-        # @TODO: Log the number of processes started and estimated time
+        # @TODO: Log the number of processes started and estfrom transport impfrom transport impimated time
         while jobs :
              jobs = [pthread for pthread in jobs if pthread.is_alive()]
              time.sleep(1)
@@ -88,6 +92,7 @@ def version():
     """
 
     print (transport.__app_name__,'version ',transport.__version__)
+    print ()
     print (transport.__license__)
 
 @app.command()

transport/iowrapper.py

@@ -103,6 +103,14 @@ class IETL(IReader) :
         #
         # If the parent is already multiprocessing
         self._hasParentProcess = False if 'hasParentProcess' not in _args else _args['hasParentProcess']
+    def run(self) :
+        """
+        We should apply the etl here, if we are in multiprocessing mode
+        """
+        _data = super().read()
+        for _kwargs in self._targets :
+            self.post(_data,**_kwargs)
+
     def read(self,**_args):
         _data = super().read(**_args)
 

transport/warehouse/iceberg.py

@@ -85,7 +85,7 @@ class Writer (Iceberg):
     """
     def __init__(self,**_args):
         super().__init__(**_args)
-        self._mode = 'append'
+        self._mode = 'append' if 'mode' not in _args else _args['mode']
         self._table = None if 'table' not in _args else _args['table']
     def write(self,_data,**_args):
         _prefix = self._getPrefix(**_args)
@@ -94,5 +94,10 @@ class Writer (Iceberg):
         rdd = self._session.createDataFrame(_data)
         _mode = self._mode if 'mode' not in _args else _args['mode']
         _table = self._table if 'table' not in _args else _args['table']
-        _table = f'{_prefix}.{_table}'
-        rdd.write.format('iceberg').mode(self._mode).save(_table)
+        
+        if not self.has(table=_table) :
+            _mode = 'overwrite'
+            rdd.write.format('iceberg').mode(_mode).saveAsTable(_table)
+        else:
+            _table = f'{_prefix}.{_table}'
+            rdd.write.format('iceberg').mode(_mode).save(_table)