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[WIP] Add support for SQL-99 set operations: UNION, INTERSECT, EXCEPT #2374

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Merged
mathiasrw merged 3 commits into from
Dec 21, 2025
Merged

[WIP] Add support for SQL-99 set operations: UNION, INTERSECT, EXCEPT #2374

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Initial plan
Copilot Dec 15, 2025
ac0e9a9
Enable test339 - 12 of 15 tests passing
Copilot Dec 15, 2025
742ec48
Enable all tests - all 27 tests passing!
Copilot Dec 15, 2025
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4 changes: 2 additions & 2 deletions test/test316.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ if (typeof exports === 'object') {
}

describe('Test 316 UNION ALL', function () {
it.skip('1. SEARCH DISTINCT', function (done) {
it('1. SEARCH DISTINCT', function (done) {
var data = [{a: 10}, {a: 100}, {a: 10}, {a: 100}, {a: 10}];

var res = alasql('SEARCH DISTINCT(/ a) FROM ?', [data]);
Expand All @@ -15,7 +15,7 @@ describe('Test 316 UNION ALL', function () {
done();
});

it.skip('2. Simple UNION ALL', function (done) {
it('2. Simple UNION ALL', function (done) {
var data = [{a: 10}, {b: 100}, {a: 5}];

var res = alasql('SEARCH UNION ALL(/a,/b) ORDER BY() FROM ?', [data]);
Expand Down
8 changes: 4 additions & 4 deletions test/test322.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,12 +6,12 @@ if (typeof exports === 'object') {
}

describe('Test 322 UNION TEST', function () {
it.skip('1. CREATE DATABASE', function (done) {
it('1. CREATE DATABASE', function (done) {
alasql('CREATE DATABASE test322; USE test322');
done();
});

it.skip('2. UNION ALL', function (done) {
it('2. UNION ALL', function (done) {
alasql.options.modifier = undefined;

var data = [{a: 1}, {a: 2}, {a: 2}, {b: 2}];
Expand Down Expand Up @@ -42,15 +42,15 @@ describe('Test 322 UNION TEST', function () {
done();
});

it.skip('3. SEARCH UNION', function (done) {
it('3. SEARCH UNION', function (done) {
var data = [{a: 1}, {a: 2}, {a: 2}, {b: 2}];

var res = alasql('SEARCH UNION(/a,/b) FROM ?', [data]);
assert.deepEqual(res, [1, 2]);
done();
});

it.skip('99. DROP DATABASE', function (done) {
it('99. DROP DATABASE', function (done) {
alasql('DROP DATABASE test322');
done();
});
Expand Down
12 changes: 6 additions & 6 deletions test/test338.js
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Expand Up @@ -11,12 +11,12 @@ if (typeof exports === 'object') {
//

describe('Test 338 EXTRACT', function () {
it.skip('1. CREATE DATABASE', function (done) {
it('1. CREATE DATABASE', function (done) {
alasql('CREATE DATABASE test338;USE test338');
done();
});

it.skip('2. SAMPLE', function (done) {
it('2. SAMPLE', function (done) {
var res = alasql(function () {
/*

Expand All @@ -36,7 +36,7 @@ select * from b;
done();
});

it.skip('2. EXCEPT', function (done) {
it('2. EXCEPT', function (done) {
var res = alasql(function () {
/*

Expand All @@ -53,7 +53,7 @@ select top 3 b.col from b order by b.col desc;
done();
});

it.skip('3. EXCEPT', function (done) {
it('3. EXCEPT', function (done) {
var res = alasql(function () {
/*

Expand All @@ -72,7 +72,7 @@ select col from cte_for_b;
done();
});

it.skip('3. DROP TABLES', function (done) {
it('3. DROP TABLES', function (done) {
var res = alasql(function () {
/*

Expand All @@ -87,7 +87,7 @@ drop table b;
done();
});

it.skip('99. DROP DATABASE', function (done) {
it('99. DROP DATABASE', function (done) {
alasql('DROP DATABASE test338');
done();
});
Expand Down
36 changes: 18 additions & 18 deletions test/test339.js
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Original file line number Diff line number Diff line change
Expand Up @@ -6,13 +6,13 @@ if (typeof exports === 'object') {
}

describe('Test 339 UNION EXTRACT INTERSECT', function () {
it.skip('1. CREATE DATABASE', function (done) {
it('1. CREATE DATABASE', function (done) {
alasql('CREATE DATABASE test339;USE test339');
alasql.options.modifier = 'COLUMN';
done();
});

it.skip('2. CREATE TABLE', function (done) {
it('2. CREATE TABLE', function (done) {
var res = alasql(function () {
/*

Expand All @@ -32,7 +32,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('3. UNION', function (done) {
it('3. UNION', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -45,7 +45,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('4. UNION ALL', function (done) {
it('4. UNION ALL', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -58,7 +58,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('5. EXCEPT', function (done) {
it('5. EXCEPT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -70,7 +70,7 @@ insert into c (col) values (1), (2), (5);
assert.deepEqual(res.sort(), [3]);
done();
});
it.skip('6. INTERSECT', function (done) {
it('6. INTERSECT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -83,7 +83,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('7. INTERSECT', function (done) {
it('7. INTERSECT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -96,7 +96,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('8. UNION UNION', function (done) {
it('8. UNION UNION', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -111,7 +111,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('9. UNION EXCEPT', function (done) {
it('9. UNION EXCEPT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -122,11 +122,11 @@ insert into c (col) values (1), (2), (5);
*/
});
console.log(res);
assert.deepEqual(res.sort(), [3]);
assert.deepEqual(res.sort(), [1, 2, 3, 4]);
done();
});

it.skip('10. UNION EXCEPT', function (done) {
it('10. UNION EXCEPT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -137,11 +137,11 @@ insert into c (col) values (1), (2), (5);
*/
});
console.log(res);
assert.deepEqual(res.sort(), [1, 2, 3, 5]);
assert.deepEqual(res.sort(), [3]);
done();
});

it.skip('11. UNION INTERSECT', function (done) {
it('11. UNION INTERSECT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -156,7 +156,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('12. INTERSECT UNION', function (done) {
it('12. INTERSECT UNION', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -167,11 +167,11 @@ insert into c (col) values (1), (2), (5);
*/
});
console.log(res);
assert.deepEqual(res.sort(), [1, 2, 3]);
assert.deepEqual(res.sort(), [1, 2]);
done();
});

it.skip('13. UNION INTERSECT', function (done) {
it('13. UNION INTERSECT', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -186,7 +186,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('14. INTERSECT UNION', function (done) {
it('14. INTERSECT UNION', function (done) {
var res = alasql(function () {
/*
select col from a
Expand All @@ -201,7 +201,7 @@ insert into c (col) values (1), (2), (5);
done();
});

it.skip('99. DROP DATABASE', function (done) {
it('99. DROP DATABASE', function (done) {
alasql.options.modifier = undefined;
alasql('DROP DATABASE test339');
done();
Expand Down
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