13591799490

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

Build # 13591799490

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #14 from torand/having-support

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

Run Details

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
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85.71

/src/main/java/io/github/torand/fastersql/subquery/Subquery.java

/*
 * Copyright (c) 2024 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.Column;
import io.github.torand.fastersql.Context;
import io.github.torand.fastersql.Sql;
import io.github.torand.fastersql.alias.ColumnAlias;
import io.github.torand.fastersql.alias.TableAlias;
import io.github.torand.fastersql.statement.SelectStatement;

import java.util.stream.Stream;

import static io.github.torand.fastersql.util.collection.CollectionHelper.streamSafely;
import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
import static java.util.Objects.requireNonNull;

public class Subquery implements Sql {
    private final SelectStatement selectStatement;
    private final TableAlias alias; // When used as projection (scalar value) this is interpreted as a column alias

    public Subquery(SelectStatement selectStatement) {
        this.selectStatement = requireNonNull(selectStatement, "No select statement specified");
        this.alias = null;
    }

    private Subquery(SelectStatement selectStatement, String alias) {
        this.selectStatement = requireNonNull(selectStatement, "No select statement specified");
        this.alias = new TableAlias(requireNonBlank(alias, "No alias specified"));
    }

    // Sql

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

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

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

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

    // "Projection"

    public Subquery as(String alias) {
        return new Subquery(selectStatement, alias);
    }

    public String alias() {
        return alias.name();
    }
}

1	/*
2	* Copyright (c) 2024 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.Column;
19	import io.github.torand.fastersql.Context;
20	import io.github.torand.fastersql.Sql;
21	import io.github.torand.fastersql.alias.ColumnAlias;
22	import io.github.torand.fastersql.alias.TableAlias;
23	import io.github.torand.fastersql.statement.SelectStatement;
24
25	import java.util.stream.Stream;
26
27	import static io.github.torand.fastersql.util.collection.CollectionHelper.streamSafely;
28	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
29	import static java.util.Objects.requireNonNull;
30
31	public class Subquery implements Sql {
32	private final SelectStatement selectStatement;
33	private final TableAlias alias; // When used as projection (scalar value) this is interpreted as a column alias
34
35	public Subquery(SelectStatement selectStatement) {	2✔
36	this.selectStatement = requireNonNull(selectStatement, "No select statement specified");	6✔
37	this.alias = null;	3✔
38	}	1✔
39
40	private Subquery(SelectStatement selectStatement, String alias) {	2✔
41	this.selectStatement = requireNonNull(selectStatement, "No select statement specified");	6✔
42	this.alias = new TableAlias(requireNonBlank(alias, "No alias specified"));	10✔
43	}	1✔
44
45	// Sql
46
47	@Override
48	public String sql(Context context) {
49	return "(" + selectStatement.sql(context) + ")";	6✔
50	}
51
52	@Override
53	public Stream<Object> params(Context context) {
54	return streamSafely(selectStatement.params(context));	6✔
55	}
56
57	@Override
58	public Stream<Column> columnRefs() {
NEW 59	return Stream.empty();	×
60	}
61
62	@Override
63	public Stream<ColumnAlias> aliasRefs() {
NEW 64	return Stream.empty();	×
65	}
66
67	// "Projection"
68
69	public Subquery as(String alias) {
70	return new Subquery(selectStatement, alias);	7✔
71	}
72
73	public String alias() {
74	return alias.name();	4✔
75	}
76	}

torand / FasterSQL / 13591799490

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