我正试图使用星火SQL中的嵌套案例,如下所示CAST(CASE WHEN 2 > 0 THEN 2.0 ELSE 1.2 END ASError in SQL statement: ParseException: mismatched input '1' expecting {<EOF>, ';'}(line 1, pos 17)== 浏览20提问于2022-07-20得票数 0 回答已采纳 1回答 是否可以
SELECT * FROM tblCustomersAND CASE @accountType WHEN 'Doemstic' ELSE city IN ('mumbai') 浏览0提问于2014-06-19得票数 0 1回答 使用spark在数据库中嵌套案例 、、 我正试图使用星火SQL中的嵌套案例,如下所示CAST(CASE WHEN 2 > 0 THEN 2.0 ELSE 1.2 END ASError in SQL statement: ParseException...
CASE selector WHEN selector_value_1 THEN statements_1 WHEN selector_value_1 THEN statement_2 ... ELSE else_statements END CASE; Code language: PostgreSQL SQL dialect and PL/pgSQL (pgsql) Let’s examine the syntax of the simple CASE statement in detail: 1) selector The selector is an...
SQL: CASE Statement 1.CASE 写法如下: CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 WHEN conditionN THEN resultN ELSE result END; 解释:1)先匹配第一条,不匹配的话继续第二条,如此循环,
SELECT CASE WHEN department IN ('IT', 'Finance') THEN 'Group A' ELSE 'Group B' END AS group_name, COUNT(*) AS employee_count FROM employees GROUP BY group_name; In this query, theCASEstatement checks if the "department" value is in the list ('IT', 'Finance'). If it matches, ...
SQL INSERT INTO SELECT Statement SQL RIGHT JOIN SQL SUM With GROUP BY SQL JOINS SQL CASEThe SQL CASE statement evaluates a list of conditions and adds a column with values based on the condition. For example, -- add a new column 'order_volume' in the Orders table -- and flag an...
SQL---CASE WHEN条件表达式(conditional statement) CASE表达式是用来判断条件的,条件成立时返回某个值,条件不成立时返回另一个值。 语法: CASEWHENComparsionConditionTHENresultWHENComparsionConditionTHENresultELSEotherEND (注:各分支返回的数据类型需一致。)...
Simple Case Statement CASE [input_expression] WHEN when_expression THEN when_true_result_expression [...n] [ELSE else_result_expression] END Search Case Statement CASE WHEN Boolean_expression THEN when_true_result_expression [...n] [ELSE else_result_expression] END ...
搜索型 CASE 语句使用一个或多个布尔表达式来确定所要执行的语句。 语法 CASEWHENboolean-expressionTHENstatementsELSEstatementsEND CASE 描述 CASE 此关键字引入 CASE 语句中的第一个 WHEN 子句。 WHEN 布尔表达式 指定一个表达式,当控制流进入定义此表达式的 WHEN 子句时,将对此表达式进行求值。 如果 布尔表达式 ...
SELECT STATEMENTand throw in the rest of the necessary pieces to build a SQL query, it all take shape below. step into the Data Pipeline, we’ll get a table properly arranged in the proper format to set up a line chart showing how clicks are compared over time. ...