ETL: ExecuteSqlDouble

Execute a SQL query that returns a scalar double value. If the query returns a dataset, the value of the first column in the first row is returned.

Description

Execute a SQL query that returns a scalar double value. If the query returns a dataset, the value of the first column in the first row is returned.

Syntax

ExecuteSqlDouble(connection_id, sql_query[, param1] [,…paramN])

Arguments

connection_id (string) - The unique identifier of the connection to use to execute the query. You can find it in the connection’s page.

sql_query - String expression that evaluates to a query that returns a scalar value.

param11 … paramN - optional parameters to pass to the query. Use ? as placeholder in the query.

Examples

ExecuteSqlDouble('mysql_55','SELECT price FROM products WHERE product_id = ?', product_id)

Notes

This function only executes in job runtime. When validating a package with variables that use the function or in X-console, the function returns null.

Return value datatype

Double

Impact of null value

If the connection_id or sql_query are null, null is returned.