15071216480

Committed 16 May 2025 02:49PM UTC coverage: 69.877% (+2.4%) from 67.475%

Build # 15071216480

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push

github

Committed by

web-flow

Commit Message

Merge pull request #30 from torand/access-support

Access support

Run Details

229 of 414 branches covered (55.31%)

Branch coverage included in aggregate %.

105 of 152 new or added lines in 26 files covered. (69.08%)

3 existing lines in 3 files now uncovered.

1193 of 1621 relevant lines covered (73.6%)

3.92 hits per line

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93.33

/src/main/java/io/github/torand/fastersql/expression/arithmetic/Subtraction.java

/*
 * Copyright (c) 2024-2025 Tore Eide Andersen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.github.torand.fastersql.expression.arithmetic;

import io.github.torand.fastersql.Column;
import io.github.torand.fastersql.Context;
import io.github.torand.fastersql.alias.ColumnAlias;
import io.github.torand.fastersql.expression.Expression;
import io.github.torand.fastersql.order.OrderExpression;
import io.github.torand.fastersql.projection.Projection;

import java.util.Optional;
import java.util.stream.Stream;

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

/**
 * Implements the subtraction (difference) expression.
 */
public class Subtraction implements Expression, OrderExpression {
    private final Expression minuend;
    private final Expression subtrahend;
    private final ColumnAlias alias;

    Subtraction(Expression minuend, Expression subtrahend, String alias) {
        this.minuend = requireNonNull(minuend, "No left operand (minuend) specified");
        this.subtrahend = requireNonNull(subtrahend, "No right operand (subtrahend) specified");
        this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();
    }

    // Sql

    @Override
    public String sql(Context context) {
        return minuend.sql(context) + " - " + subtrahend.sql(context);
    }

    @Override
    public Stream<Object> params(Context context) {
        return Stream.concat(minuend.params(context), subtrahend.params(context));
    }

    @Override
    public Stream<Column> columnRefs() {
        return Stream.concat(minuend.columnRefs(), subtrahend.columnRefs());
    }

    @Override
    public Stream<ColumnAlias> aliasRefs() {
        return Stream.concat(minuend.aliasRefs(), subtrahend.aliasRefs());
    }

    // Projection

    @Override
    public Projection as(String alias) {
        requireNonBlank(alias, "No alias specified");
        return new Subtraction(minuend, subtrahend, alias);
    }

    @Override
    public Optional<ColumnAlias> alias() {
        return Optional.ofNullable(alias);
    }

    private ColumnAlias defaultAlias() {
        return ColumnAlias.generate("MINUS_");
    }
}

1	/*
2	* Copyright (c) 2024-2025 Tore Eide Andersen
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package io.github.torand.fastersql.expression.arithmetic;
17
18	import io.github.torand.fastersql.Column;
19	import io.github.torand.fastersql.Context;
20	import io.github.torand.fastersql.alias.ColumnAlias;
21	import io.github.torand.fastersql.expression.Expression;
22	import io.github.torand.fastersql.order.OrderExpression;
23	import io.github.torand.fastersql.projection.Projection;
24
25	import java.util.Optional;
26	import java.util.stream.Stream;
27
28	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
29	import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
30	import static java.util.Objects.requireNonNull;
31
32	/**
33	* Implements the subtraction (difference) expression.
34	*/
35	public class Subtraction implements Expression, OrderExpression {
36	private final Expression minuend;
37	private final Expression subtrahend;
38	private final ColumnAlias alias;
39
40	Subtraction(Expression minuend, Expression subtrahend, String alias) {	2✔
41	this.minuend = requireNonNull(minuend, "No left operand (minuend) specified");	6✔
42	this.subtrahend = requireNonNull(subtrahend, "No right operand (subtrahend) specified");	6✔
43	this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();	12✔
44	}	1✔
45
46	// Sql
47
48	@Override
49	public String sql(Context context) {
50	return minuend.sql(context) + " - " + subtrahend.sql(context);	10✔
51	}
52
53	@Override
54	public Stream<Object> params(Context context) {
55	return Stream.concat(minuend.params(context), subtrahend.params(context));	10✔
56	}
57
58	@Override
59	public Stream<Column> columnRefs() {
60	return Stream.concat(minuend.columnRefs(), subtrahend.columnRefs());	8✔
61	}
62
63	@Override
64	public Stream<ColumnAlias> aliasRefs() {
NEW 65	return Stream.concat(minuend.aliasRefs(), subtrahend.aliasRefs());	×
66	}
67
68	// Projection
69
70	@Override
71	public Projection as(String alias) {
72	requireNonBlank(alias, "No alias specified");	6✔
73	return new Subtraction(minuend, subtrahend, alias);	9✔
74	}
75
76	@Override
77	public Optional<ColumnAlias> alias() {
78	return Optional.ofNullable(alias);	4✔
79	}
80
81	private ColumnAlias defaultAlias() {
82	return ColumnAlias.generate("MINUS_");	3✔
83	}
84	}

torand / FasterSQL / 15071216480

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