279 lines
12 KiB
Plaintext
279 lines
12 KiB
Plaintext
set tidb_cost_model_version=1;
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drop table if exists t1, t2;
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create table t1 (c1 int primary key, c2 int, index c2 (c2));
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create table t2 (c1 int unique, c2 int);
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insert into t1 values(1, 0), (2, 1);
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insert into t2 values(1, 0), (2, 1);
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# simple cte
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explain with cte(a) as (select 1) select * from cte;
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explain with cte(a) as (select c1 from t1) select * from cte;
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explain with cte(a,b,c,d) as (select * from t1, t2) select * from cte;
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# recursive cte
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explain with recursive cte(a) as (select 1 union select a+1 from cte where a < 10) select * from cte;
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explain with recursive cte(a) as (select c2 from t1 union select a+1 from cte where a < 10) select * from cte;
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# nested cte
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explain with cte(a) as (with recursive cte1(a) as (select 1 union select a + 1 from cte1 where a < 10) select * from cte1) select * from cte;
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# cte with join
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explain with recursive cte(a) as (select 1 union select a+1 from cte where a < 10) select * from cte t1, cte t2;
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explain with cte(a) as (with recursive cte1(a) as (select 1 union select a + 1 from cte1 where a < 10) select * from cte1) select * from cte t1, cte t2;
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# multiple cte
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explain with recursive cte1(a) as (select 1 union select a+1 from cte1 where a < 10), cte2(a) as (select c2 from t1 union select a+1 from cte2 where a < 10) select * from cte1, cte2;
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# other
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explain with q(a,b) as (select * from t1) select /*+ merge(q) no_merge(q1) */ * from q, q q1 where q.a=1 and q1.a=2;
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# explain with cte(a,b) as (select * from t1) select (select 1 from cte limit 1) from cte;
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explain with recursive cte(a,b) as (select 1, concat('a', 1) union select a+1, concat(b, 1) from cte where a < 5) select * from cte;
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explain select * from t1 dt where exists(with recursive qn as (select c1*0+1 as b union all select b+1 from qn where b=0) select * from qn where b=1);
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# recursive limit
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explain with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 1) select * from cte1;
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explain with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 100 offset 100) select * from cte1;
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explain with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 0 offset 0) select * from cte1;
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explain with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 1) select * from cte1 dt1 join cte1 dt2 on dt1.c1 = dt2.c1;
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explain with recursive cte1(c1) as (select c1 from t1 union select c1 + 1 c1 from cte1 limit 0 offset 0) select * from cte1 dt1 join cte1 dt2 on dt1.c1 = dt2.c1;
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# TPC-DS Q11
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CREATE TABLE `customer` (
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`c_customer_sk` int(11) NOT NULL,
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`c_customer_id` char(16) NOT NULL,
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`c_current_cdemo_sk` int(11) DEFAULT NULL,
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`c_current_hdemo_sk` int(11) DEFAULT NULL,
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`c_current_addr_sk` int(11) DEFAULT NULL,
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`c_first_shipto_date_sk` int(11) DEFAULT NULL,
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`c_first_sales_date_sk` int(11) DEFAULT NULL,
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`c_salutation` char(10) DEFAULT NULL,
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`c_first_name` char(20) DEFAULT NULL,
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`c_last_name` char(30) DEFAULT NULL,
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`c_preferred_cust_flag` char(1) DEFAULT NULL,
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`c_birth_day` int(11) DEFAULT NULL,
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`c_birth_month` int(11) DEFAULT NULL,
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`c_birth_year` int(11) DEFAULT NULL,
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`c_birth_country` varchar(20) DEFAULT NULL,
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`c_login` char(13) DEFAULT NULL,
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`c_email_address` char(50) DEFAULT NULL,
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`c_last_review_date_sk` int(11) DEFAULT NULL,
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PRIMARY KEY (`c_customer_sk`) /*T![clustered_index] NONCLUSTERED */
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);
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CREATE TABLE `store_sales` (
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`ss_sold_date_sk` int(11) DEFAULT NULL,
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`ss_sold_time_sk` int(11) DEFAULT NULL,
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`ss_item_sk` int(11) NOT NULL,
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`ss_customer_sk` int(11) DEFAULT NULL,
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`ss_cdemo_sk` int(11) DEFAULT NULL,
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`ss_hdemo_sk` int(11) DEFAULT NULL,
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`ss_addr_sk` int(11) DEFAULT NULL,
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`ss_store_sk` int(11) DEFAULT NULL,
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`ss_promo_sk` int(11) DEFAULT NULL,
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`ss_ticket_number` int(11) NOT NULL,
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`ss_quantity` int(11) DEFAULT NULL,
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`ss_wholesale_cost` decimal(7,2) DEFAULT NULL,
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`ss_list_price` decimal(7,2) DEFAULT NULL,
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`ss_sales_price` decimal(7,2) DEFAULT NULL,
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`ss_ext_discount_amt` decimal(7,2) DEFAULT NULL,
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`ss_ext_sales_price` decimal(7,2) DEFAULT NULL,
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`ss_ext_wholesale_cost` decimal(7,2) DEFAULT NULL,
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`ss_ext_list_price` decimal(7,2) DEFAULT NULL,
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`ss_ext_tax` decimal(7,2) DEFAULT NULL,
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`ss_coupon_amt` decimal(7,2) DEFAULT NULL,
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`ss_net_paid` decimal(7,2) DEFAULT NULL,
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`ss_net_paid_inc_tax` decimal(7,2) DEFAULT NULL,
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`ss_net_profit` decimal(7,2) DEFAULT NULL,
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PRIMARY KEY (`ss_item_sk`,`ss_ticket_number`) /*T![clustered_index] NONCLUSTERED */
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);
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CREATE TABLE `date_dim` (
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`d_date_sk` int(11) NOT NULL,
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`d_date_id` char(16) NOT NULL,
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`d_date` date DEFAULT NULL,
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`d_month_seq` int(11) DEFAULT NULL,
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`d_week_seq` int(11) DEFAULT NULL,
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`d_quarter_seq` int(11) DEFAULT NULL,
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`d_year` int(11) DEFAULT NULL,
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`d_dow` int(11) DEFAULT NULL,
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`d_moy` int(11) DEFAULT NULL,
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`d_dom` int(11) DEFAULT NULL,
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`d_qoy` int(11) DEFAULT NULL,
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`d_fy_year` int(11) DEFAULT NULL,
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`d_fy_quarter_seq` int(11) DEFAULT NULL,
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`d_fy_week_seq` int(11) DEFAULT NULL,
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`d_day_name` char(9) DEFAULT NULL,
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`d_quarter_name` char(6) DEFAULT NULL,
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`d_holiday` char(1) DEFAULT NULL,
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`d_weekend` char(1) DEFAULT NULL,
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`d_following_holiday` char(1) DEFAULT NULL,
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`d_first_dom` int(11) DEFAULT NULL,
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`d_last_dom` int(11) DEFAULT NULL,
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`d_same_day_ly` int(11) DEFAULT NULL,
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`d_same_day_lq` int(11) DEFAULT NULL,
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`d_current_day` char(1) DEFAULT NULL,
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`d_current_week` char(1) DEFAULT NULL,
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`d_current_month` char(1) DEFAULT NULL,
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`d_current_quarter` char(1) DEFAULT NULL,
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`d_current_year` char(1) DEFAULT NULL,
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PRIMARY KEY (`d_date_sk`) /*T![clustered_index] NONCLUSTERED */
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);
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CREATE TABLE `web_sales` (
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`ws_sold_date_sk` int(11) DEFAULT NULL,
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`ws_sold_time_sk` int(11) DEFAULT NULL,
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`ws_ship_date_sk` int(11) DEFAULT NULL,
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`ws_item_sk` int(11) NOT NULL,
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`ws_bill_customer_sk` int(11) DEFAULT NULL,
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`ws_bill_cdemo_sk` int(11) DEFAULT NULL,
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`ws_bill_hdemo_sk` int(11) DEFAULT NULL,
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`ws_bill_addr_sk` int(11) DEFAULT NULL,
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`ws_ship_customer_sk` int(11) DEFAULT NULL,
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`ws_ship_cdemo_sk` int(11) DEFAULT NULL,
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`ws_ship_hdemo_sk` int(11) DEFAULT NULL,
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`ws_ship_addr_sk` int(11) DEFAULT NULL,
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`ws_web_page_sk` int(11) DEFAULT NULL,
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`ws_web_site_sk` int(11) DEFAULT NULL,
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`ws_ship_mode_sk` int(11) DEFAULT NULL,
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`ws_warehouse_sk` int(11) DEFAULT NULL,
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`ws_promo_sk` int(11) DEFAULT NULL,
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`ws_order_number` int(11) NOT NULL,
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`ws_quantity` int(11) DEFAULT NULL,
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`ws_wholesale_cost` decimal(7,2) DEFAULT NULL,
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`ws_list_price` decimal(7,2) DEFAULT NULL,
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`ws_sales_price` decimal(7,2) DEFAULT NULL,
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`ws_ext_discount_amt` decimal(7,2) DEFAULT NULL,
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`ws_ext_sales_price` decimal(7,2) DEFAULT NULL,
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`ws_ext_wholesale_cost` decimal(7,2) DEFAULT NULL,
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`ws_ext_list_price` decimal(7,2) DEFAULT NULL,
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`ws_ext_tax` decimal(7,2) DEFAULT NULL,
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`ws_coupon_amt` decimal(7,2) DEFAULT NULL,
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`ws_ext_ship_cost` decimal(7,2) DEFAULT NULL,
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`ws_net_paid` decimal(7,2) DEFAULT NULL,
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`ws_net_paid_inc_tax` decimal(7,2) DEFAULT NULL,
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`ws_net_paid_inc_ship` decimal(7,2) DEFAULT NULL,
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`ws_net_paid_inc_ship_tax` decimal(7,2) DEFAULT NULL,
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`ws_net_profit` decimal(7,2) DEFAULT NULL,
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PRIMARY KEY (`ws_item_sk`,`ws_order_number`) /*T![clustered_index] NONCLUSTERED */
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);
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desc format='brief' with year_total as (
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select c_customer_id customer_id
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,c_first_name customer_first_name
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,c_last_name customer_last_name
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,c_preferred_cust_flag customer_preferred_cust_flag
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,c_birth_country customer_birth_country
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,c_login customer_login
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,c_email_address customer_email_address
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,d_year dyear
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,sum(ss_ext_list_price-ss_ext_discount_amt) year_total
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,'s' sale_type
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from customer
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,store_sales
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,date_dim
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where c_customer_sk = ss_customer_sk
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and ss_sold_date_sk = d_date_sk
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group by c_customer_id
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,c_first_name
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,c_last_name
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,c_preferred_cust_flag
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,c_birth_country
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,c_login
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,c_email_address
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,d_year
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union all
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select c_customer_id customer_id
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,c_first_name customer_first_name
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,c_last_name customer_last_name
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,c_preferred_cust_flag customer_preferred_cust_flag
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,c_birth_country customer_birth_country
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,c_login customer_login
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,c_email_address customer_email_address
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,d_year dyear
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,sum(ws_ext_list_price-ws_ext_discount_amt) year_total
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,'w' sale_type
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from customer
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,web_sales
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,date_dim
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where c_customer_sk = ws_bill_customer_sk
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and ws_sold_date_sk = d_date_sk
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group by c_customer_id
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,c_first_name
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,c_last_name
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,c_preferred_cust_flag
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,c_birth_country
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,c_login
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,c_email_address
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,d_year
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)
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select
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t_s_secyear.customer_id
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,t_s_secyear.customer_first_name
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,t_s_secyear.customer_last_name
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,t_s_secyear.customer_email_address
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from year_total t_s_firstyear
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,year_total t_s_secyear
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,year_total t_w_firstyear
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,year_total t_w_secyear
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where t_s_secyear.customer_id = t_s_firstyear.customer_id
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and t_s_firstyear.customer_id = t_w_secyear.customer_id
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and t_s_firstyear.customer_id = t_w_firstyear.customer_id
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and t_s_firstyear.sale_type = 's'
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and t_w_firstyear.sale_type = 'w'
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and t_s_secyear.sale_type = 's'
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and t_w_secyear.sale_type = 'w'
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and t_s_firstyear.dyear = 2001
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and t_s_secyear.dyear = 2001+1
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and t_w_firstyear.dyear = 2001
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and t_w_secyear.dyear = 2001+1
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and t_s_firstyear.year_total > 0
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and t_w_firstyear.year_total > 0
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and case when t_w_firstyear.year_total > 0 then t_w_secyear.year_total / t_w_firstyear.year_total else 0.0 end
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> case when t_s_firstyear.year_total > 0 then t_s_secyear.year_total / t_s_firstyear.year_total else 0.0 end
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order by t_s_secyear.customer_id
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,t_s_secyear.customer_first_name
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,t_s_secyear.customer_last_name
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,t_s_secyear.customer_email_address
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limit 100;
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# predicate pushdown
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drop table if exists t1;
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create table t1 (id int, bench_type varchar(10),version varchar(10),tps int(20));
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insert into t1 (id,bench_type,version,tps) values (1,'sysbench','5.4.0',1111111);
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insert into t1 (id,bench_type,version,tps) values (2,'sysbench','6.0.0',222222);
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with all_data as
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(select * from t1
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),version1 as (select * from all_data where version ='5.4.0'
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),version2 as(select * from all_data where version ='6.0.0')
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select v1.tps v1_tps,v2.tps v2_tps
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from version1 v1, version2 v2
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where v1.bench_type =v2.bench_type;
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desc format='brief' with all_data as
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(select * from t1
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),version1 as (select * from all_data where version ='5.4.0'
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),version2 as(select * from all_data where version ='6.0.0')
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select v1.tps v1_tps,v2.tps v2_tps
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from version1 v1, version2 v2
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where v1.bench_type =v2.bench_type;
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# issue 35404
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drop table if exists tbl;
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create table tbl (id int);
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explain with t1 as (select id from tbl), t2 as (select a.id from t1 a join t1 b on a.id = b.id) select * from t2 where id in (select id from t2);
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# issue 35758
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drop table if exists t1, t2, t3;
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create table t1 (a int, b int);
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create table t2 (c int, d int);
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create table t3 (e int, f int);
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insert into t1 values(1,1);
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insert into t2 values(1,1);
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insert into t3 values(1,1234);
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explain update t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c set t1.b = 4321;
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update t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c set t1.b = 4321;
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select * from t1;
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explain insert into t1 select t1.a, t1.b from t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c;
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insert into t1 select t1.a, t1.b from t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c;
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select * from t1;
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explain delete from t1 using t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c;
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delete from t1 using t1 inner join (select t2.c from t2 inner join (with temp as (select e from t3 where t3.f = 1234) select e from temp) tt on t2.d = tt.e) t on t1.a = t.c;
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select * from t1;
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