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1 | 1 | -- ============================================== |
2 | | --- Fetch two rows randomly from csv: |
| 2 | +-- 1447686 |
| 3 | +-- fd 54 dc 73 48 5d da 70 |
3 | 4 | -- ============================================== |
4 | | -with csc_random as |
5 | | - (select |
6 | | - cs_sold_date_sk, |
7 | | - cs_sold_time_sk, |
8 | | - cs_ship_date_sk, |
9 | | - cs_bill_customer_sk, |
10 | | - cs_bill_cdemo_sk, |
11 | | - cs_bill_hdemo_sk, |
12 | | - cs_bill_addr_sk, |
13 | | - cs_ship_customer_sk, |
14 | | - cs_ship_cdemo_sk, |
15 | | - cs_ship_hdemo_sk, |
16 | | - cs_ship_addr_sk, |
17 | | - cs_call_center_sk, |
18 | | - cs_catalog_page_sk, |
19 | | - cs_ship_mode_sk, |
20 | | - cs_warehouse_sk, |
21 | | - cs_item_sk, |
22 | | - cs_promo_sk, |
23 | | - cs_order_number, |
24 | | - cs_quantity, |
25 | | - cs_wholesale_cost, |
26 | | - cs_list_price, |
27 | | - cs_sales_price, |
28 | | - cs_ext_discount_amt, |
29 | | - cs_ext_sales_price, |
30 | | - cs_ext_wholesale_cost, |
31 | | - cs_ext_list_price, |
32 | | - cs_ext_tax, |
33 | | - cs_coupon_amt, |
34 | | - cs_ext_ship_cost, |
35 | | - cs_net_paid, |
36 | | - cs_net_paid_inc_tax, |
37 | | - cs_net_paid_inc_ship, |
38 | | - cs_net_paid_inc_ship_tax, |
39 | | - cs_net_profit |
40 | | - from csv |
41 | | - where cs_sold_time_sk >= (select floor( max(cs_sold_time_sk) * rand()) from csv ) |
42 | | - order by cs_sold_time_sk limit 2) |
| 5 | +select count(*) from catalog_sales; |
43 | 6 |
|
44 | | --- ======================================================== |
45 | | --- Verify the row can be selected from catalog_sales: |
46 | | --- ======================================================== |
47 | | - |
48 | | -select |
49 | | - catalog_sales.cs_sold_date_sk, |
50 | | - catalog_sales.cs_sold_time_sk, |
51 | | - catalog_sales.cs_ship_date_sk, |
52 | | - catalog_sales.cs_bill_customer_sk, |
53 | | - catalog_sales.cs_bill_cdemo_sk, |
54 | | - catalog_sales.cs_bill_hdemo_sk, |
55 | | - catalog_sales.cs_bill_addr_sk, |
56 | | - catalog_sales.cs_ship_customer_sk, |
57 | | - catalog_sales.cs_ship_cdemo_sk, |
58 | | - catalog_sales.cs_ship_hdemo_sk, |
59 | | - catalog_sales.cs_ship_addr_sk, |
60 | | - catalog_sales.cs_call_center_sk, |
61 | | - catalog_sales.cs_catalog_page_sk, |
62 | | - catalog_sales.cs_ship_mode_sk, |
63 | | - catalog_sales.cs_warehouse_sk, |
64 | | - catalog_sales.cs_item_sk, |
65 | | - catalog_sales.cs_promo_sk, |
66 | | - catalog_sales.cs_order_number, |
67 | | - catalog_sales.cs_quantity, |
68 | | - catalog_sales.cs_wholesale_cost, |
69 | | - catalog_sales.cs_list_price, |
70 | | - catalog_sales.cs_sales_price, |
71 | | - catalog_sales.cs_ext_discount_amt, |
72 | | - catalog_sales.cs_ext_sales_price, |
73 | | - catalog_sales.cs_ext_wholesale_cost, |
74 | | - catalog_sales.cs_ext_list_price, |
75 | | - catalog_sales.cs_ext_tax, |
76 | | - catalog_sales.cs_coupon_amt, |
77 | | - catalog_sales.cs_ext_ship_cost, |
78 | | - catalog_sales.cs_net_paid, |
79 | | - catalog_sales.cs_net_paid_inc_tax, |
80 | | - catalog_sales.cs_net_paid_inc_ship, |
81 | | - catalog_sales.cs_net_paid_inc_ship_tax, |
82 | | - catalog_sales.cs_net_profit |
83 | | -from catalog_sales, csc_random |
84 | | -where |
85 | | - catalog_sales.cs_sold_date_sk = csc_random.cs_sold_date_sk and |
86 | | - catalog_sales.cs_sold_time_sk = csc_random.cs_sold_time_sk and |
87 | | - catalog_sales.cs_ship_date_sk = csc_random.cs_ship_date_sk and |
88 | | - catalog_sales.cs_bill_customer_sk = csc_random.cs_bill_customer_sk and |
89 | | - catalog_sales.cs_bill_cdemo_sk = csc_random.cs_bill_cdemo_sk and |
90 | | - catalog_sales.cs_bill_hdemo_sk = csc_random.cs_bill_hdemo_sk and |
91 | | - catalog_sales.cs_bill_addr_sk = csc_random.cs_bill_addr_sk and |
92 | | - catalog_sales.cs_ship_customer_sk = csc_random.cs_ship_customer_sk and |
93 | | - catalog_sales.cs_ship_cdemo_sk = csc_random.cs_ship_cdemo_sk and |
94 | | - catalog_sales.cs_ship_hdemo_sk = csc_random.cs_ship_hdemo_sk and |
95 | | - catalog_sales.cs_ship_addr_sk = csc_random.cs_ship_addr_sk and |
96 | | - catalog_sales.cs_call_center_sk = csc_random.cs_call_center_sk and |
97 | | - catalog_sales.cs_catalog_page_sk = csc_random.cs_catalog_page_sk and |
98 | | - catalog_sales.cs_ship_mode_sk = csc_random.cs_ship_mode_sk and |
99 | | - catalog_sales.cs_warehouse_sk = csc_random.cs_warehouse_sk and |
100 | | - catalog_sales.cs_item_sk = csc_random.cs_item_sk and |
101 | | - catalog_sales.cs_promo_sk = csc_random.cs_promo_sk; |
| 7 | +with column_checksums as ( |
| 8 | + select array[ |
| 9 | + checksum(cs_sold_date_sk), |
| 10 | + checksum(cs_sold_time_sk), |
| 11 | + checksum(cs_ship_date_sk), |
| 12 | + checksum(cs_bill_customer_sk), |
| 13 | + checksum(cs_bill_cdemo_sk), |
| 14 | + checksum(cs_bill_hdemo_sk), |
| 15 | + checksum(cs_bill_addr_sk), |
| 16 | + checksum(cs_ship_customer_sk), |
| 17 | + checksum(cs_ship_cdemo_sk), |
| 18 | + checksum(cs_ship_hdemo_sk), |
| 19 | + checksum(cs_ship_addr_sk), |
| 20 | + checksum(cs_call_center_sk), |
| 21 | + checksum(cs_catalog_page_sk), |
| 22 | + checksum(cs_ship_mode_sk), |
| 23 | + checksum(cs_warehouse_sk), |
| 24 | + checksum(cs_item_sk), |
| 25 | + checksum(cs_promo_sk), |
| 26 | + checksum(cs_order_number), |
| 27 | + checksum(cs_quantity), |
| 28 | + checksum(cs_wholesale_cost), |
| 29 | + checksum(cs_list_price), |
| 30 | + checksum(cs_sales_price), |
| 31 | + checksum(cs_ext_discount_amt), |
| 32 | + checksum(cs_ext_sales_price), |
| 33 | + checksum(cs_ext_wholesale_cost), |
| 34 | + checksum(cs_ext_list_price), |
| 35 | + checksum(cs_ext_tax), |
| 36 | + checksum(cs_coupon_amt), |
| 37 | + checksum(cs_ext_ship_cost), |
| 38 | + checksum(cs_net_paid), |
| 39 | + checksum(cs_net_paid_inc_tax), |
| 40 | + checksum(cs_net_paid_inc_ship), |
| 41 | + checksum(cs_net_paid_inc_ship_tax), |
| 42 | + checksum(cs_net_profit) |
| 43 | + ] checksums |
| 44 | +from catalog_sales |
| 45 | + ) |
| 46 | +select checksum(cs) as table_checksum |
| 47 | +from column_checksums |
| 48 | + cross join unnest(column_checksums.checksums) as x(cs); |
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