added support for flatten nested

plugins/doc_fragments/client_inst_opts.py

@@ -49,6 +49,14 @@ class ModuleDocFragment(object):
     type: dict
     default: {}
 
+  flatten_nested:
+    description:
+      - Updates flatten_nested setting on session before running
+        query 
+      - Only runs the update if set to 0
+    type: int
+    default: 1
+
 requirements: [ 'clickhouse-driver' ]
 
 notes:

plugins/module_utils/clickhouse.py

@@ -37,6 +37,7 @@ def client_common_argument_spec():
         login_user=dict(type='str', default=None),
         login_password=dict(type='str', default=None, no_log=True),
         client_kwargs=dict(type='dict', default={}),
+        flatten_nested=dict(type='int', default=1),
     )
 
 

plugins/modules/clickhouse_client.py

@@ -260,6 +260,7 @@ def main():
     client_kwargs = module.params['client_kwargs']
     query = module.params['execute']
     execute_kwargs = module.params['execute_kwargs']
+    flatten_nested = module.params['flatten_nested']
     # The reason why these arguments are separate from client_kwargs
     # is that we need to protect some sensitive data like passwords passed
     # to the module from logging (see the arguments above with no_log=True);
@@ -283,6 +284,8 @@ def main():
     substituted_query = get_substituted_query(module, client, query, execute_kwargs)
 
     # Execute query
+    if flatten_nested == 0:
+        execute_query(module, client,"set flatten_nested=0;", execute_kwargs)
     result = execute_query(module, client, query, execute_kwargs)
 
     # Convert values not supported by ansible-core