From 746f7af1c4ffbbf10de271058e930517765c9bd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Lamercerie?=
<aurelien.lamercerie@tetras-libre.fr>
Date: Fri, 15 Sep 2023 12:54:14 +0200
Subject: [PATCH] New Transduction Query Builder Method to select distinct row
---
tenet/transduction/query_builder.py | 40 ++++++++++++++++++++++++++++-
1 file changed, 39 insertions(+), 1 deletion(-)
diff --git a/tenet/transduction/query_builder.py b/tenet/transduction/query_builder.py
index 44a18620..a3e6affc 100644
--- a/tenet/transduction/query_builder.py
+++ b/tenet/transduction/query_builder.py
@@ -105,7 +105,45 @@ def generate_select_query(graph, select_data_list, clause_list):
query_code += f'\n SELECT {select_data_part}'
query_code += f'\n WHERE {{ {clause_part} \n }}'
- return query_code
+ return query_code
+
+
+def generate_select_distinct_query(graph, select_data_list, clause_list):
+ """ Generate a SELECT Sparql query with a select part (from select_data_list)
+ and a clause part (from clause_list).
+
+ Parameters
+ ----------
+ graph : RDFLIB Graph
+ target graph of the query.
+ select_data_list : List
+ list of sparql variables for the select part.
+ clause_list : List
+ list of clauses (as rdf triples or string) for the clause part.
+
+ Returns
+ -------
+ query_code : SPARQL query (string)
+ SELECT Sparql query.
+
+ """
+
+ prefix = get_prefix_def()
+
+ first = True
+ select_data_part = ''
+ for data in select_data_list:
+ if not first: select_data_part += ' '
+ select_data_part += f'{data}'
+ first = False
+
+ clause_part = __define_clause_part(graph, clause_list)
+
+ query_code = f'{prefix}'
+ query_code += f'\n SELECT DISTINCT {select_data_part}'
+ query_code += f'\n WHERE {{ {clause_part} \n }}'
+
+ return query_code
--
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