Add EXTERNAL SQL scripts

EXTERNAL/CHPA/01 dwd_ims_nfc_hierarchy.sql

@@ -0,0 +1,26 @@
+-- Databricks notebook source
+--NFC 处理成宽表
+insert overwrite table dwd.dwd_ims_nfc_hierarchy 
+SELECT * 
+  FROM (SELECT NewFormClass_ID as NFC1_ID,
+               NewFormClass_Code as NFC1_CODE,
+               NewFormClass_Name as NFC1_DES
+          FROM dwd.dwd_ims_td_new_form_class NFC
+         WHERE NewFormClass_Level = '1') NFC1
+
+  LEFT JOIN (SELECT NewFormClass_ID as NFC2_ID,
+                    NewFormClass_Code as NFC2_CODE,
+                    NewFormClass_Name as NFC2_DES
+               FROM dwd.dwd_ims_td_new_form_class NFC
+              WHERE NewFormClass_Level = '2') NFC2
+    ON NFC1.NFC1_CODE =
+  LEFT (NFC2.NFC2_CODE, 1)
+
+  LEFT JOIN (SELECT NewFormClass_ID as NFC3_ID,
+                    NewFormClass_Code as NFC3_CODE,
+                    NewFormClass_Name as NFC3_DES
+               FROM dwd.dwd_ims_td_new_form_class NFC
+              WHERE NewFormClass_Level = '3') NFC3
+    ON NFC2.NFC2_CODE =
+  LEFT (NFC3.NFC3_CODE, 2)
+;