Merge pull request #61 from mcwdsi/fix-duplicate-ndc-issue

Updating script to avoid duplicating NDC classes.

Author: hoganwr

src/scripts/update-dron-from-rxnorm.sql

@@ -239,32 +239,33 @@ WHERE r.RELA = 'has_inactive_ingredient'
   AND c2.RXAUI = r.RXAUI2
   AND c2.RXCUI = bd.rxcui;
 
--- Add NDCs for clinical drugs not already in that table.
-INSERT OR IGNORE INTO ndc_clinical_drug
+-- Add NDCs for branded drugs not already in that table.
+INSERT OR IGNORE INTO ndc_branded_drug
 SELECT DISTINCT
     NULL AS curie,
     s.ATV AS ndc,
-    cd.curie AS drug
+    bd.curie AS drug
 FROM rxnorm.RXNSAT AS s
-LEFT JOIN clinical_drug AS cd
-LEFT JOIN ndc_clinical_drug AS n
+LEFT JOIN branded_drug AS bd
+LEFT JOIN ndc_branded_drug AS n
   ON s.ATV = n.ndc
-WHERE s.RXCUI = cd.rxcui
+WHERE s.RXCUI = bd.rxcui
   AND s.SAB = 'RXNORM'
   AND s.ATN = 'NDC'
   AND n.curie IS NULL;
 
--- Add NDCs for branded drugs not already in that table.
-INSERT OR IGNORE INTO ndc_branded_drug
+-- Add NDCs for clinical drugs not already in that table.
+INSERT OR IGNORE INTO ndc_clinical_drug
 SELECT DISTINCT
     NULL AS curie,
     s.ATV AS ndc,
-    bd.curie AS drug
+    cd.curie AS drug
 FROM rxnorm.RXNSAT AS s
-LEFT JOIN branded_drug AS bd
-LEFT JOIN ndc_branded_drug AS n
+LEFT JOIN clinical_drug AS cd
+LEFT JOIN ndc_clinical_drug AS n
   ON s.ATV = n.ndc
-WHERE s.RXCUI = bd.rxcui
+WHERE s.RXCUI = cd.rxcui
   AND s.SAB = 'RXNORM'
   AND s.ATN = 'NDC'
-  AND n.curie IS NULL;
+  AND n.curie IS NULL
+  AND s.ATV not in (select ndc from ndc_branded_drug);