Removing the trivial rewrites and using original tpcds query.

sample-queries-tpcds/query50.sql

@@ -10,14 +10,14 @@ select
   ,s_county
   ,s_state
   ,s_zip
-  ,sum(case when (sr_returned_date_sk - ss_sold_date_sk <= 30 ) then 1 else 0 end)  as "30 days" 
+  ,sum(case when (sr_returned_date_sk - ss_sold_date_sk <= 30 ) then 1 else 0 end)  as `30 days` 
   ,sum(case when (sr_returned_date_sk - ss_sold_date_sk > 30) and 
-                 (sr_returned_date_sk - ss_sold_date_sk <= 60) then 1 else 0 end )  as "31-60 days" 
+                 (sr_returned_date_sk - ss_sold_date_sk <= 60) then 1 else 0 end )  as `31-60 days` 
   ,sum(case when (sr_returned_date_sk - ss_sold_date_sk > 60) and 
-                 (sr_returned_date_sk - ss_sold_date_sk <= 90) then 1 else 0 end)  as "61-90 days" 
+                 (sr_returned_date_sk - ss_sold_date_sk <= 90) then 1 else 0 end)  as `61-90 days` 
   ,sum(case when (sr_returned_date_sk - ss_sold_date_sk > 90) and
-                 (sr_returned_date_sk - ss_sold_date_sk <= 120) then 1 else 0 end)  as "91-120 days" 
-  ,sum(case when (sr_returned_date_sk - ss_sold_date_sk  > 120) then 1 else 0 end)  as ">120 days" 
+                 (sr_returned_date_sk - ss_sold_date_sk <= 120) then 1 else 0 end)  as `91-120 days` 
+  ,sum(case when (sr_returned_date_sk - ss_sold_date_sk  > 120) then 1 else 0 end)  as `>120 days` 
 from
    store_sales
   ,store_returns

sample-queries-tpcds/query62.sql

@@ -3,14 +3,14 @@ select
    substr(w_warehouse_name,1,20)
   ,sm_type
   ,web_name
-  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk <= 30 ) then 1 else 0 end)  as "30 days" 
+  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk <= 30 ) then 1 else 0 end)  as `30 days` 
   ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 30) and 
-                 (ws_ship_date_sk - ws_sold_date_sk <= 60) then 1 else 0 end )  as "31-60 days" 
+                 (ws_ship_date_sk - ws_sold_date_sk <= 60) then 1 else 0 end )  as `31-60 days` 
   ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 60) and 
-                 (ws_ship_date_sk - ws_sold_date_sk <= 90) then 1 else 0 end)  as "61-90 days" 
+                 (ws_ship_date_sk - ws_sold_date_sk <= 90) then 1 else 0 end)  as `61-90 days` 
   ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 90) and
-                 (ws_ship_date_sk - ws_sold_date_sk <= 120) then 1 else 0 end)  as "91-120 days" 
-  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk  > 120) then 1 else 0 end)  as ">120 days" 
+                 (ws_ship_date_sk - ws_sold_date_sk <= 120) then 1 else 0 end)  as `91-120 days` 
+  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk  > 120) then 1 else 0 end)  as `>120 days` 
 from
    web_sales
   ,warehouse

sample-queries-tpcds/query92.sql

@@ -1,6 +1,6 @@
 -- start query 1 in stream 0 using template query92.tpl and seed 2031708268
 select  
-   sum(ws_ext_discount_amt)  as "Excess Discount Amount" 
+   sum(ws_ext_discount_amt)  as `Excess Discount Amount` 
 from 
     web_sales 
    ,item 

sample-queries-tpcds/query94.sql

@@ -1,8 +1,8 @@
 -- start query 1 in stream 0 using template query94.tpl and seed 2031708268
 select  
-   count(distinct ws_order_number) as "order count"
-  ,sum(ws_ext_ship_cost) as "total shipping cost"
-  ,sum(ws_net_profit) as "total net profit"
+   count(distinct ws_order_number) as `order count`
+  ,sum(ws_ext_ship_cost) as `total shipping cost`
+  ,sum(ws_net_profit) as `total net profit`
 from
    web_sales ws1
   ,date_dim

sample-queries-tpcds/query95.sql

@@ -5,9 +5,9 @@ with ws_wh as
  where ws1.ws_order_number = ws2.ws_order_number
    and ws1.ws_warehouse_sk <> ws2.ws_warehouse_sk)
  select  
-   count(distinct ws_order_number) as "order count"
-  ,sum(ws_ext_ship_cost) as "total shipping cost"
-  ,sum(ws_net_profit) as "total net profit"
+   count(distinct ws_order_number) as `order count`
+  ,sum(ws_ext_ship_cost) as `total shipping cost`
+  ,sum(ws_net_profit) as `total net profit`
 from
    web_sales ws1
   ,date_dim