13591799490

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

Build # 13591799490

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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…

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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%)

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75.0

/src/main/java/io/github/torand/fastersql/function/aggregate/CountAll.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.function.aggregate;

import io.github.torand.fastersql.Column;
import io.github.torand.fastersql.Context;
import io.github.torand.fastersql.alias.ColumnAlias;
import io.github.torand.fastersql.order.Order;
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;

public class CountAll implements AggregateFunction {
    private final ColumnAlias alias;

    CountAll(String alias) {
        this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();
    }

    // Sql

    @Override
    public String sql(Context context) {
        return "count(*)";
    }

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

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

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

    // Projection

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

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

    // OrderExpression

    @Override
    public Order ascIf(boolean condition) {
        throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");
    }

    @Override
    public Order asc() {
        throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");
    }

    @Override
    public Order desc() {
        throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");
    }

    private ColumnAlias defaultAlias() {
        return new ColumnAlias("COUNT_ALL");
    }
}

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.function.aggregate;
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.order.Order;
22	import io.github.torand.fastersql.projection.Projection;
23
24	import java.util.Optional;
25	import java.util.stream.Stream;
26
27	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
28	import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
29
30	public class CountAll implements AggregateFunction {
31	private final ColumnAlias alias;
32
33	CountAll(String alias) {	2✔
34	this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();	12✔
35	}	1✔
36
37	// Sql
38
39	@Override
40	public String sql(Context context) {
41	return "count(*)";	2✔
42	}
43
44	@Override
45	public Stream<Object> params(Context context) {
46	return Stream.empty();	2✔
47	}
48
49	@Override
50	public Stream<Column> columnRefs() {
51	return Stream.empty();	2✔
52	}
53
54	@Override
55	public Stream<ColumnAlias> aliasRefs() {
NEW 56	return Stream.empty();	×
57	}
58
59	// Projection
60
61	@Override
62	public Projection as(String alias) {
63	requireNonBlank(alias, "No alias specified");	6✔
64	return new CountAll(alias);	5✔
65	}
66
67	@Override
68	public Optional<ColumnAlias> alias() {
69	return Optional.ofNullable(alias);	4✔
70	}
71
72	// OrderExpression
73
74	@Override
75	public Order ascIf(boolean condition) {
76	throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");	×
77	}
78
79	@Override
80	public Order asc() {
81	throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");	×
82	}
83
84	@Override
85	public Order desc() {
86	throw new UnsupportedOperationException("The 'count(*)' function can't be used in an 'order by' clause");	×
87	}
88
89	private ColumnAlias defaultAlias() {
90	return new ColumnAlias("COUNT_ALL");	5✔
91	}
92	}

torand / FasterSQL / 13591799490

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