15071216480

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

Build # 15071216480

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push

github

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web-flow

Commit Message

Merge pull request #30 from torand/access-support

Access support

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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.

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78.79

/src/main/java/io/github/torand/fastersql/expression/arithmetic/Modulo.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.dialect.Capability.MODULO_OPERATOR;
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 modulo (division remainder) expression.
 */
public class Modulo implements Expression, OrderExpression {
    private final Expression dividend;
    private final Expression divisor;
    private final ColumnAlias alias;

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

    // Sql

    @Override
    public String sql(Context context) {
        if (context.getDialect().supports(MODULO_OPERATOR)) {
            String dividendSql = dividend.sql(context);
            if (dividend instanceof Addition || dividend instanceof Subtraction) {
                dividendSql = "(" + dividendSql + ")";
            }

            String divisorSql = divisor.sql(context);
            if (divisor instanceof Addition || divisor instanceof Subtraction) {
                divisorSql = "(" + divisorSql + ")";
            }

            return dividendSql + " % " + divisorSql;
        }

        return context.getDialect().formatModuloFunction(dividend.sql(context), divisor.sql(context));
    }

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

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

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

    // Projection

    @Override
    public Projection as(String alias) {
        requireNonBlank(alias, "No alias specified");
        return new Modulo(dividend, divisor, alias);
    }

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

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

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.dialect.Capability.MODULO_OPERATOR;
29	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
30	import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
31	import static java.util.Objects.requireNonNull;
32
33	/**
34	* Implements the modulo (division remainder) expression.
35	*/
36	public class Modulo implements Expression, OrderExpression {
37	private final Expression dividend;
38	private final Expression divisor;
39	private final ColumnAlias alias;
40
41	Modulo(Expression dividend, Expression divisor, String alias) {	2✔
42	this.dividend = requireNonNull(dividend, "No left operand (dividend) specified");	6✔
43	this.divisor = requireNonNull(divisor, "No right operand (divisor) specified");	6✔
44	this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();	12✔
45	}	1✔
46
47	// Sql
48
49	@Override
50	public String sql(Context context) {
51	if (context.getDialect().supports(MODULO_OPERATOR)) {	5✔
52	String dividendSql = dividend.sql(context);	5✔
53	if (dividend instanceof Addition \|\| dividend instanceof Subtraction) {	8!
NEW 54	dividendSql = "(" + dividendSql + ")";	×
55	}
56
57	String divisorSql = divisor.sql(context);	5✔
58	if (divisor instanceof Addition \|\| divisor instanceof Subtraction) {	8!
NEW 59	divisorSql = "(" + divisorSql + ")";	×
60	}
61
62	return dividendSql + " % " + divisorSql;	4✔
63	}
64
65	return context.getDialect().formatModuloFunction(dividend.sql(context), divisor.sql(context));	12✔
66	}
67
68	@Override
69	public Stream<Object> params(Context context) {
70	return Stream.concat(dividend.params(context), divisor.params(context));	10✔
71	}
72
73	@Override
74	public Stream<Column> columnRefs() {
75	return Stream.concat(dividend.columnRefs(), divisor.columnRefs());	8✔
76	}
77
78	@Override
79	public Stream<ColumnAlias> aliasRefs() {
NEW 80	return Stream.concat(dividend.aliasRefs(), divisor.aliasRefs());	×
81	}
82
83	// Projection
84
85	@Override
86	public Projection as(String alias) {
87	requireNonBlank(alias, "No alias specified");	6✔
88	return new Modulo(dividend, divisor, alias);	9✔
89	}
90
91	@Override
92	public Optional<ColumnAlias> alias() {
93	return Optional.ofNullable(alias);	4✔
94	}
95
96	private ColumnAlias defaultAlias() {
97	return ColumnAlias.generate("MODULO_");	3✔
98	}
99	}

torand / FasterSQL / 15071216480

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