15346133148

Committed 30 May 2025 11:50AM UTC coverage: 70.397% (+0.1%) from 70.298%

Build # 15346133148

Build Type

push

github

Committed by

torand

Commit Message

chore: test javadoc publish

Run Details

235 of 420 branches covered (55.95%)

Branch coverage included in aggregate %.

1237 of 1671 relevant lines covered (74.03%)

3.9 hits per line

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70.59

/src/main/java/io/github/torand/fastersql/subquery/TableSubquery.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.subquery;

import io.github.torand.fastersql.alias.ColumnAlias;
import io.github.torand.fastersql.alias.TableAlias;
import io.github.torand.fastersql.model.Column;
import io.github.torand.fastersql.relation.Relation;
import io.github.torand.fastersql.sql.Context;
import io.github.torand.fastersql.statement.SelectStatement;

import java.util.stream.Stream;

import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
import static java.util.Objects.nonNull;
import static java.util.Objects.requireNonNull;

/**
 * Implements a subquery to be used in a FROM clause.
 */
public class TableSubquery implements Subquery, Relation {
    private final SelectStatement query;
    private final TableAlias alias;

    /**
     * Creates a table subquery.
     * @param query the subquery.
     */
    public TableSubquery(SelectStatement query) {
        this.query = requireNonNull(query, "No query specified");
        this.alias = null;
    }

    private TableSubquery(SelectStatement query, String alias) {
        this.query = requireNonNull(query, "No query specified");
        this.alias = new TableAlias(requireNonBlank(alias, "No alias specified"));
    }

    // Sql

    @Override
    public String sql(Context context) {
        return "(" + query.sql(context) + ")" + (nonNull(alias) ? " " + alias.sql(context) : "");
    }

    @Override
    public Stream<Object> params(Context context) {
        return query.params(context);
    }

    @Override
    public Stream<Column> columnRefs() {
        return Stream.empty();
    }

    @Override
    public Stream<ColumnAlias> aliasRefs() {
        return Stream.empty();
    }

    // Subquery

    @Override
    public SelectStatement query() {
        return query;
    }

    // Relation

    @Override
    public TableSubquery as(String alias) {
        return new TableSubquery(query, alias);
    }

    @Override
    public TableAlias alias() {
        return alias;
    }
}

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.subquery;
17
18	import io.github.torand.fastersql.alias.ColumnAlias;
19	import io.github.torand.fastersql.alias.TableAlias;
20	import io.github.torand.fastersql.model.Column;
21	import io.github.torand.fastersql.relation.Relation;
22	import io.github.torand.fastersql.sql.Context;
23	import io.github.torand.fastersql.statement.SelectStatement;
24
25	import java.util.stream.Stream;
26
27	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
28	import static java.util.Objects.nonNull;
29	import static java.util.Objects.requireNonNull;
30
31	/**
32	* Implements a subquery to be used in a FROM clause.
33	*/
34	public class TableSubquery implements Subquery, Relation {
35	private final SelectStatement query;
36	private final TableAlias alias;
37
38	/**
39	* Creates a table subquery.
40	* @param query the subquery.
41	*/
42	public TableSubquery(SelectStatement query) {	2✔
43	this.query = requireNonNull(query, "No query specified");	6✔
44	this.alias = null;	3✔
45	}	1✔
46
47	private TableSubquery(SelectStatement query, String alias) {	2✔
48	this.query = requireNonNull(query, "No query specified");	6✔
49	this.alias = new TableAlias(requireNonBlank(alias, "No alias specified"));	10✔
50	}	1✔
51
52	// Sql
53
54	@Override
55	public String sql(Context context) {
56	return "(" + query.sql(context) + ")" + (nonNull(alias) ? " " + alias.sql(context) : "");	16!
57	}
58
59	@Override
60	public Stream<Object> params(Context context) {
61	return query.params(context);	5✔
62	}
63
64	@Override
65	public Stream<Column> columnRefs() {
66	return Stream.empty();	×
67	}
68
69	@Override
70	public Stream<ColumnAlias> aliasRefs() {
71	return Stream.empty();	×
72	}
73
74	// Subquery
75
76	@Override
77	public SelectStatement query() {
78	return query;	×
79	}
80
81	// Relation
82
83	@Override
84	public TableSubquery as(String alias) {
85	return new TableSubquery(query, alias);	7✔
86	}
87
88	@Override
89	public TableAlias alias() {
90	return alias;	×
91	}
92	}

torand / FasterSQL / 15346133148

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