hard-code columns

MIT-LCP · 10a6c70131388d8494afb1159f0ad981629084d6 · alistairewj committed May 25, 2017 · May 25, 2017 · 10a6c70
1 parent 4bbbdee
commit 10a6c70131388d8494afb1159f0ad981629084d6
Unified Split

Showing with 2 additions and 1 deletion.

+2 −1 tutorials/sql-crosstab.md
diff --git a/tutorials/sql-crosstab.md b/tutorials/sql-crosstab.md
@@ -65,7 +65,8 @@ FROM crosstab(
         ORDER BY 1,2'
       -- below, we list all the unique values in admission_type
       -- these will become the columns
-      ,'SELECT DISTINCT admission_type FROM admissions ORDER BY 1'
+      -- hard-coding them ensures that the order matches what we specify later
+      ,$$VALUES ('ELECTIVE'::text), ('EMERGENCY'::text), ('NEWBORN'::text),  ('URGENT'::text)$$
     )
 AS ct (
   -- first column has each unique value for the rows