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feat: add sql solution to lc problem: No.2752 (#1084)

No.2752.Customers with Maximum Number of Transactions on Consecutive Days

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solution/2700-2799/2752.Customers with Maximum Number of Transactions on Consecutive Days

+71

-3

lines changed

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`@@ -29,7 +29,8 @@`
`29`	`29`	`"solution/1500-1599/1555.Bank Account Summary/Solution.sql",`
`30`	`30`	`"solution/1600-1699/1667.Fix Names in a Table/Solution.sql",`
`31`	`31`	`"solution/1900-1999/1972.First and Last Call On the Same Day/Solution.sql",`
`32`		`- "solution/2600-2699/2686.Immediate Food Delivery III/Solution.sql"`
	`32`	`+ "solution/2600-2699/2686.Immediate Food Delivery III/Solution.sql",`
	`33`	`+ "solution/2700-2799/2752.Customers with Maximum Number of Transactions on Consecutive Days/Solution.sql"`
`33`	`34`	`],`
`34`	`35`	`"options": {`
`35`	`36`	`"parser": "bigquery"`

Lines changed: 23 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,29 @@ In total, the highest number of consecutive transactions is 3, achieved by custo`
`71`	`71`	`<!-- 这里可写当前语言的特殊实现逻辑 -->`
`72`	`72`
`73`	`73`	```sql
`74`		`-`
	`74`	`+# Write your MySQL query statement below`
	`75`	`+WITH`
	`76`	`+ s AS (`
	`77`	`+ SELECT`
	`78`	`+ customer_id,`
	`79`	`+ date_sub(`
	`80`	`+ transaction_date,`
	`81`	`+ INTERVAL row_number() OVER (`
	`82`	`+ PARTITION BY customer_id`
	`83`	`+ ORDER BY transaction_date`
	`84`	`+ ) DAY`
	`85`	`+ ) AS transaction_date`
	`86`	`+ FROM Transactions`
	`87`	`+ ),`
	`88`	`+ t AS (`
	`89`	`+ SELECT customer_id, transaction_date, count(1) AS cnt`
	`90`	`+ FROM s`
	`91`	`+ GROUP BY 1, 2`
	`92`	`+ )`
	`93`	`+SELECT customer_id`
	`94`	`+FROM t`
	`95`	`+WHERE cnt = (SELECT max(cnt) FROM t)`
	`96`	`+ORDER BY customer_id;`
`75`	`97`	```
`76`	`98`
`77`	`99`	`<!-- tabs:end -->`

Lines changed: 23 additions & 1 deletion

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`@@ -65,7 +65,29 @@ In total, the highest number of consecutive transactions is 3, achieved by custo`
`65`	`65`	`### SQL`
`66`	`66`
`67`	`67`	```sql
`68`		`-`
	`68`	`+# Write your MySQL query statement below`
	`69`	`+WITH`
	`70`	`+ s AS (`
	`71`	`+ SELECT`
	`72`	`+ customer_id,`
	`73`	`+ date_sub(`
	`74`	`+ transaction_date,`
	`75`	`+ INTERVAL row_number() OVER (`
	`76`	`+ PARTITION BY customer_id`
	`77`	`+ ORDER BY transaction_date`
	`78`	`+ ) DAY`
	`79`	`+ ) AS transaction_date`
	`80`	`+ FROM Transactions`
	`81`	`+ ),`
	`82`	`+ t AS (`
	`83`	`+ SELECT customer_id, transaction_date, count(1) AS cnt`
	`84`	`+ FROM s`
	`85`	`+ GROUP BY 1, 2`
	`86`	`+ )`
	`87`	`+SELECT customer_id`
	`88`	`+FROM t`
	`89`	`+WHERE cnt = (SELECT max(cnt) FROM t)`
	`90`	`+ORDER BY customer_id;`
`69`	`91`	```
`70`	`92`
`71`	`93`	`<!-- tabs:end -->`

Lines changed: 23 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,23 @@`
	`1`	`+# Write your MySQL query statement below`
	`2`	`+WITH`
	`3`	`+ s AS (`
	`4`	`+ SELECT`
	`5`	`+ customer_id,`
	`6`	`+ date_sub(`
	`7`	`+ transaction_date,`
	`8`	`+ INTERVAL row_number() OVER (`
	`9`	`+ PARTITION BY customer_id`
	`10`	`+ ORDER BY transaction_date`
	`11`	`+ ) DAY`
	`12`	`+ ) AS transaction_date`
	`13`	`+ FROM Transactions`
	`14`	`+ ),`
	`15`	`+ t AS (`
	`16`	`+ SELECT customer_id, transaction_date, count(1) AS cnt`
	`17`	`+ FROM s`
	`18`	`+ GROUP BY 1, 2`
	`19`	`+ )`
	`20`	`+SELECT customer_id`
	`21`	`+FROM t`
	`22`	`+WHERE cnt = (SELECT max(cnt) FROM t)`
	`23`	`+ORDER BY customer_id;`

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