removed spark RDD and geni (#455)

Author: behrica

deps.edn

@@ -82,15 +82,7 @@
                                                 org.slf4j/slf4j-api]}
     org.lz4/lz4-java {:mvn/version "1.8.0"}
     com.cnuernber/jarrow {:mvn/version "1.000"}
-    zero.one/geni  {:mvn/version "0.0.34"
-                    :exclusions [commons-codec/commons-codec]}
-    org.apache.spark/spark-avro_2.12 {:mvn/version "3.0.1"}
-    org.apache.spark/spark-core_2.12 {:mvn/version "3.0.1"
-                                      :exclusions [org.slf4j/slf4j-log4j12]}
-    org.apache.spark/spark-hive_2.12 {:mvn/version "3.0.1"}
-    org.apache.spark/spark-mllib_2.12 {:mvn/version "3.0.1"}
-    org.apache.spark/spark-sql_2.12 {:mvn/version "3.0.1"}
-    org.apache.spark/spark-streaming_2.12 {:mvn/version "3.0.1"}
+    
     org.tribuo/tribuo-all {:mvn/version "4.3.1" :extension "pom"}
     }
    :extra-paths ["neanderthal" "test"]}

java/tech/v3/dataset/SimpleRDD.java

@@ -15,7 +15,6 @@
            [org.apache.spark.sql.types StructType StructField
             DataTypes DataType]
            [tech.v3.datatype ObjectReader]
-           [tech.v3.dataset SimpleRDD]
            [java.time LocalDate Instant]
            [java.util List]))
 
@@ -167,40 +166,8 @@
    (ds->spark-dataset ds session nil)))
 
 
-(defn default-ds-fn
-  [src]
-  (-> (ds-io/->dataset src)
-      (prepare-ds-for-spark)
-      (dataset->row-list)))
 
 
-(defn ds-src-data->rdd
-  "Given a session, a full namespaced name that resolves to an IFn,
-  and a list of serializable data produce an RDD."
-  (^Dataset [^SparkSession spark-session
-             ^String ds-fn-name
-             ds-src-data]
-   (SimpleRDD. (.sparkContext spark-session)
-               (vec ds-src-data)
-               ds-fn-name)))
-
-
-(comment
-  (require '[zero-one.geni.core :as g])
-  (require '[zero-one.geni.defaults :as geni-defaults])
-  (def dataframe (g/read-csv! "test/data/stocks.csv"))
-  (require '[tech.v3.dataset :as ds])
-  (def stocks (ds/->dataset "test/data/stocks.csv"))
-  (def session @geni-defaults/spark)
-  (def schema (-> (ds/->dataset "test/data/stocks.csv")
-                  (prepare-ds-for-spark)
-                  (ds-schema)))
-  (def rdd (ds-src-data->dataset @geni-defaults/spark
-                                 schema
-                                 "tech.v3.libs.spark/default-ds-fn"
-                                 [[{:a 1} {:a 2}]]))
-  )
-
 
 (defn collect-spark-dataset->ds
   [^Dataset dataset]
@@ -227,3 +194,27 @@
                                  nil
                                  []))))
          (ds-impl/new-dataset))))
+
+
+
+(comment
+  ;; databricks-connect specific classes
+  ;; should work similar for spark-connect
+
+;;Tested with hese deps
+;;org.scala-lang/scala-reflect {:mvn/version "2.12.18"}
+;;com.databricks/databricks-connect {:mvn/version "16.1.0"}
+    
+
+  (import
+   '[com.databricks.connect DatabricksSession]
+   '[com.databricks.sdk.core DatabricksConfig])
+  
+  (def config (.. (DatabricksConfig.) (setProfile "adb-xxxxx")))
+  (def spark (.. (DatabricksSession/builder) (sdkConfig config) getOrCreate))
+
+  (->
+    (.sql spark "show catalogs;")
+    collect-spark-dataset->ds)
+
+  )