Adaptation SRC_GRADE octopus pour éviter les doublons

doc/Connecteurs-Import/Octopus/SRC_GRADE.sql

 CREATE
 OR REPLACE FORCE VIEW SRC_GRADE AS
-SELECT g.lib_court libelle_court,
-       g.lib_long  libelle_long,
-       s.id        source_id,
-       g.c_grade   source_code,
-       null        echelle,
-       --null        corps_id
-FROM grade@octoprod g
-         JOIN source s ON s.code = 'Octopus'
-WHERE SYSDATE BETWEEN COALESCE(g.d_ouverture, SYSDATE) AND COALESCE(g.d_fermeture + 1, SYSDATE)
+ SELECT
+    g.lib_court libelle_court,
+    g.lib_long  libelle_long,
+    s.id        source_id,
+    g.c_grade   source_code
+FROM octo.grade@octoprod g
+JOIN octo.grade_map@octoprod gm ON gm.grade_id = g.id AND gm.c_source = 'SIHAM'
+JOIN source s ON s.code = 'Octopus'
+WHERE SYSDATE BETWEEN COALESCE(g.d_ouverture, SYSDATE) AND COALESCE(g.d_fermeture + 1, SYSDATE) AND histo_destruction IS NULL