Adding DBI write support + adding supporting helpers from volumes functions (bulk upload).

Author: Zac Davies

NAMESPACE

@@ -142,6 +142,7 @@ export(db_volume_dir_exists)
 export(db_volume_file_exists)
 export(db_volume_list)
 export(db_volume_read)
+export(db_volume_upload_dir)
 export(db_volume_write)
 export(db_vs_endpoints_create)
 export(db_vs_endpoints_delete)
@@ -249,6 +250,7 @@ export(wait_for_lib_installs)
 exportClasses(DatabricksConnection)
 exportClasses(DatabricksDriver)
 exportClasses(DatabricksResult)
+exportMethods(dbAppendTable)
 exportMethods(dbBegin)
 exportMethods(dbClearResult)
 exportMethods(dbColumnInfo)
@@ -265,14 +267,14 @@ exportMethods(dbGetRowCount)
 exportMethods(dbGetRowsAffected)
 exportMethods(dbGetStatement)
 exportMethods(dbHasCompleted)
-exportMethods(dbIsReadOnly)
 exportMethods(dbIsValid)
 exportMethods(dbListFields)
 exportMethods(dbListTables)
 exportMethods(dbQuoteIdentifier)
 exportMethods(dbRollback)
 exportMethods(dbSendQuery)
 exportMethods(dbSendStatement)
+exportMethods(dbWriteTable)
 exportMethods(show)
 import(DBI)
 import(cli)