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Value
Mathias Rangel Wulff edited this page Nov 24, 2015
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6 revisions
Syntax:
VALUE OF SELECT ...Alternative syntax:
SELECT VALUE ...Usually AlaSQL returns array of records (JavaScript objects), but you can modify SELECT statement to return single value from the first line and first column of result recordset:
var data = [{a:1},{a:2}];
var res = alasql('VALUE OF SELECT SUM(a) FROM ?',[data]);
// returns 3
var res = alasql('SELECT COUNT(*) FROM ?',[data]);
// returns [{'COUNT(*)':2}]
var res = alasql('SELECT VALUE COUNT(*) FROM ?',[data]);
// returns 2
You can set query modifier for all SELECTs:
alasql.options.modifier = 'VALUE';© 2014-2024, Andrey Gershun & Mathias Rangel Wulff
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