cleanup examples

python/examples/remote.py → python/examples/client_remote.py

@@ -16,16 +16,8 @@
 # under the License.
 
 # %% 
-
 from ballista import BallistaBuilder
 from datafusion.context import SessionContext
-
-# Ballista will initiate with an empty config
-# set config variables with `config`
-# ctx: SessionContext = BallistaBuilder()\
-#     .config("ballista.job.name", "example ballista")\
-#     .config("ballista.shuffle.partitions", "16")\
-#     .standalone()
 
 ctx: SessionContext = BallistaBuilder().remote("df://127.0.0.1:50050")
 

python/examples/readme_remote.py

@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# %%
+
+from ballista import BallistaBuilder
+from datafusion.context import SessionContext
+
+ctx: SessionContext = BallistaBuilder()\
+    .config("ballista.job.name", "Readme Example Remote")\
+    .config("datafusion.execution.target_partitions", "4")\
+    .remote("df://127.0.0.1:50050")
+
+ctx.sql("create external table t stored as parquet location '../testdata/test.parquet'")
+
+# %%
+df = ctx.sql("select * from t limit 5")
+pyarrow_batches = df.collect()
+pyarrow_batches[0].to_pandas()
+# %%
+df = ctx.read_parquet('../testdata/test.parquet').limit(5)
+pyarrow_batches = df.collect()
+pyarrow_batches[0].to_pandas()
+# %%

python/examples/readme.py → python/examples/readme_standalone.py

@@ -21,7 +21,7 @@
 from datafusion.context import SessionContext
 
 ctx: SessionContext = BallistaBuilder()\
-    .config("ballista.job.name", "Readme Examples")\
+    .config("ballista.job.name", "Readme Example")\
     .config("datafusion.execution.target_partitions", "4")\
     .standalone()