[英]How to dynamically select columns from a given table in snowflake stored procedure?
[英]Retrieving two columns from a table using stored procedure in Snowflake
我正在尝试使用该函数从表中检索数据并将它们存储在一个数组中。 但是当我试图返回两个数组之一时,我没有得到任何数据。 不明白我哪里出错了。
CREATE OR REPLACE PROCEDURE GET_DATE()
RETURNS VARCHAR NOT NULL
LANGUAGE JAVASCRIPT
AS
$$
var array1 = [];
var array2 = [];
array1,array2 = get_columns_data(); // want to get those two array values from the function for further use
return array1; //This is not printing or returning anything
function get_columns_data()
{
var arr1 = [];
var arr2 = [];
cmdl = {sqlText: `SELECT COUNT(*) AS TOTAL, COUNT(DISTINCT(ID)) AS UNIQUE FROM TABLE1;`} //query to get two column values
stmt = snowflake.createStatement(cmdl);
var a = stmt.execute();
while(a.next())
{
var one = a.getColumnValue('TOTAL');
arr1.push(one);
var two = a.getColumnValue('UNIQUE');
arr2.push(two);
}
return arr1,arr2; //returning two arrays; Don't know if this is the correct method to return two arryas
}
$$
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