add oracle driver (#1613)

contrib/metadata-ingestion/README.md

@@ -12,8 +12,8 @@ i split the ingestion procedure to two part: [datahub-producer] and different [m
 
 - [X] datahub-producer load json avro data.
 - [X] add lineage-hive generator
-- [X] add dataset-jdbc generator[include [mysql, mssql, postgresql] driver]
-- [ ] enhance dataset-jdbc generator [oracle-driver]
+- [X] add dataset-jdbc generator[include [mysql, mssql, postgresql, oracle] driver]
+- [ ] enhance dataset-jdbc generator [hive-driver]
 - [ ] enhance lineage-jdbc generator to lazy iterator mode.
 - [ ] add lineage-oracle generator
 - [ ] enchance avro parser to show error information 
@@ -42,7 +42,7 @@ i split the ingestion procedure to two part: [datahub-producer] and different [m
     ls sample/hive_*.sql | bin/lineage_hive_generator.hs | bin/datahub-producer.hs config
 ```
 
-4. load jdbc schema(mysql, mssql, postgresql) to datahub [
+4. load jdbc schema(mysql, mssql, postgresql, oracle) to datahub
 ```
     bin/dataset-jdbc-generator.hs | bin/datahub-producer.hs config
 ```

contrib/metadata-ingestion/bin/dataset-jdbc-generator.hs

@@ -133,7 +133,12 @@ main = do
     dbUrl :: T.Text = "jdbc:mysql://localhost:3306/datahub?useSSL=false"
     dbUser :: T.Text  = "datahub"
     dbPassword :: T.Text = "datahub"
-    dbDriver :: T.Text = "com.mysql.jdbc.Driver"
+
+    -- dbDriver:: T.Text = "oracle.jdbc.OracleDriver" ;
+    dbDriver:: T.Text = "com.mysql.jdbc.Driver" ;
+    -- dbDriver:: T.Text = "org.postgresql.Driver" ;
+    -- dbDriver:: T.Text = "com.microsoft.sqlserver.jdbc.SQLServerDriver" ;
+
     dbSQL :: T.Text = datasetMysqlSql
   runInBoundThread $ withJVM jvmArgs $ do
     [jDbUrl, jDbUser, jDbPassword, jDbDriver, jDbSQL ] <-

contrib/metadata-ingestion/bin/dataset-jdbc-generator.hs.nix

@@ -38,6 +38,7 @@ mkShell {
     pkgs.postgresql_jdbc
     pkgs.mysql_jdbc
     pkgs.mssql_jdbc
+    pkgs.oracle-instantclient
 
     (haskellPackages.ghcWithPackages ( p: 
       [ p.bytestring p.string-conversions