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The 'AVG' aggregate function is specified in the SQL standard and supported by MySQL, PostgreSQL, and SQLite. Include tests, too.
42 lines
762 B
JavaScript
42 lines
762 B
JavaScript
module.exports = function(knex) {
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describe('Aggregate', function() {
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it('has a sum', function() {
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return knex('accounts').logMe().sum('logins');
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});
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it('has an avg', function() {
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return knex('accounts').logMe().avg('logins');
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});
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it('has a count', function() {
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return knex('accounts').logMe().count('id');
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});
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it('supports multiple aggregate functions', function() {
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return knex('accounts').logMe().count('id').max('logins').min('logins');
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});
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it("support the groupBy function", function() {
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return knex('accounts').logMe().count('id').groupBy('logins').then(function() {
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return knex('accounts').logMe().count('id').groupBy('first_name');
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});
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});
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});
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};
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