• Home
  • Features
  • Pricing
  • Docs
  • Announcements
  • Sign In

torand / FasterSQL / 13591799490

28 Feb 2025 03:59PM UTC coverage: 65.237% (-1.3%) from 66.563%
13591799490

push

github

web-flow
Merge pull request #14 from torand/having-support

feat: supporting the HAVING clause + IS NULL operator now supports an…

214 of 408 branches covered (52.45%)

Branch coverage included in aggregate %.

273 of 389 new or added lines in 69 files covered. (70.18%)

3 existing lines in 3 files now uncovered.

1079 of 1574 relevant lines covered (68.55%)

3.68 hits per line

Source File
Press 'n' to go to next uncovered line, 'b' for previous

93.33
/src/main/java/io/github/torand/fastersql/expression/arithmetic/Subtraction.java
1
package io.github.torand.fastersql.expression.arithmetic;
2

3
import io.github.torand.fastersql.Column;
4
import io.github.torand.fastersql.Context;
5
import io.github.torand.fastersql.alias.ColumnAlias;
6
import io.github.torand.fastersql.expression.Expression;
7
import io.github.torand.fastersql.order.OrderExpression;
8
import io.github.torand.fastersql.projection.Projection;
9

10
import java.util.Optional;
11
import java.util.stream.Stream;
12

13
import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
14
import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
15
import static java.util.Objects.requireNonNull;
16

17
public class Subtraction implements Expression, OrderExpression {
18
    private final Expression left;
19
    private final Expression right;
20
    private final ColumnAlias alias;
21

22
    Subtraction(Expression left, Expression right, String alias) {
2✔
23
        this.left = requireNonNull(left, "No left operand specified");
6✔
24
        this.right = requireNonNull(right, "No right operand specified");
6✔
25
        this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();
12✔
26
    }
1✔
27

28
    // Sql
29

30
    @Override
31
    public String sql(Context context) {
32
        return left.sql(context) + " - " + right.sql(context);
10✔
33
    }
34

35
    @Override
36
    public Stream<Object> params(Context context) {
37
        return Stream.concat(left.params(context), right.params(context));
10✔
38
    }
39

40
    @Override
41
    public Stream<Column> columnRefs() {
42
        return Stream.concat(left.columnRefs(), right.columnRefs());
8✔
43
    }
44

45
    @Override
46
    public Stream<ColumnAlias> aliasRefs() {
NEW
47
        return Stream.concat(left.aliasRefs(), right.aliasRefs());
×
48
    }
49

50
    // Projection
51

52
    @Override
53
    public Projection as(String alias) {
54
        requireNonBlank(alias, "No alias specified");
6✔
55
        return new Subtraction(left, right, alias);
9✔
56
    }
57

58
    @Override
59
    public Optional<ColumnAlias> alias() {
60
        return Optional.ofNullable(alias);
4✔
61
    }
62

63
    private ColumnAlias defaultAlias() {
64
        return ColumnAlias.generate("MINUS_");
3✔
65
    }
66
}
STATUS · Troubleshooting · Open an Issue · Sales · Support · CAREERS · ENTERPRISE · START FREE · SCHEDULE DEMO
ANNOUNCEMENTS · TWITTER · TOS & SLA · Supported CI Services · What's a CI service? · Automated Testing

© 2026 Coveralls, Inc