Add an example of the new Presto task (#9)

* Presto task

* flesh out

* feedback

* feedback2

* match flytekit example

* bump version

flytetester/app/workflows/presto_workflow.py

@@ -0,0 +1,27 @@
+from __future__ import absolute_import
+
+from flytekit.sdk.tasks import inputs
+from flytekit.sdk.types import Types
+from flytekit.sdk.workflow import workflow_class, Input, Output
+from flytekit.common.tasks.presto_task import SdkPrestoTask
+
+schema = Types.Schema([("a", Types.String), ("b", Types.Integer)])
+
+presto_task = SdkPrestoTask(
+    task_inputs=inputs(ds=Types.String, rg=Types.String),
+    statement="SELECT * FROM hive.city.fact_airport_sessions WHERE ds = '{{ .Inputs.ds}}' LIMIT 10",
+    output_schema=schema,
+    routing_group="{{ .Inputs.rg }}",
+    # catalog="hive",
+    # schema="city",
+)
+
+
+@workflow_class()
+class PrestoWorkflow(object):
+    ds = Input(Types.String, required=True, help="Test string with no default")
+    # routing_group = Input(Types.String, required=True, help="Test string with no default")
+
+    p_task = presto_task(ds=ds, rg='etl')
+
+    output_a = Output(p_task.outputs.results, sdk_type=schema)

flytetester/requirements.txt

@@ -1,4 +1,4 @@
-flytekit[sidecar,schema]==0.6.0b1
+flytekit[sidecar,schema]==0.6.0b6
 statsd
 opencv-python==3.4.4.19
 k8s-proto>=0.0.2