[英]How to get COUNT of records return by measures in JSON query of CubeJS
我想通过以下 CubeJS 的 JSON 查询获取返回的记录数。
{
"measures": [
"Employee.salaryTotal"
],
"timeDimensions": [
{
"dimension": "Employee.createdat"
}
],
"dimensions": [
"Employee.isactive"
],
"filters": []
}
此 JSON 查询在 CubeJS 中生成以下 SQL:
SELECT
`employee`.`isActive` `employee__isactive`,
SUM(salary) `employee__salary_total`
FROM
DEMO.Employee AS `employee`
GROUP BY
1
ORDER BY
2 DESC
LIMIT
10000
SQL的输出是:
+---------------------+------------------------+
| employee__isactive | employee__salary_total |
+---------------------+------------------------+
| Y | 17451 |
| N | 1249 |
+---------------------+------------------------+
但是如果我想通过上面的 SQL 返回记录计数怎么办。
例子:
SELECT COUNT(*) FROM
(SELECT
`employee`.`isActive` `employee__isactive`,
SUM(salary) `employee__salary_total`
FROM
DEMO.Employee AS `employee`
GROUP BY
1
ORDER BY
2 DESC
LIMIT
10000) AS EMPSAL
预期结果应该是这样的:
+------------+
| # COUNT(*) |
+------------+
| 2 |
+------------+
目前无法在最终的 Cube.js 查询之上执行COUNT
操作。 如果您尝试实现分页功能,您可以使用offset
和limit
查询参数通过limit
和行数比较来检查是否有下一页可用: https : //cube.dev/docs/query-format#query-属性。
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