13316818541

Committed 13 Feb 2025 08:49PM UTC coverage: 56.762%. First build

Build # 13316818541

Build Type

Pull #8

github

Committed by

web-flow

Commit Message

Merge a7d313d14 into 1f252c094

Pull Request Pull Request #8: feat: misc additions

Run Details

143 of 336 branches covered (42.56%)

Branch coverage included in aggregate %.

97 of 171 new or added lines in 34 files covered. (56.73%)

772 of 1276 relevant lines covered (60.5%)

3.21 hits per line

Source File
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71.43

/src/main/java/io/github/torand/fastersql/function/singlerow/Substring.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.singlerow;

import io.github.torand.fastersql.Context;
import io.github.torand.fastersql.Field;
import io.github.torand.fastersql.expression.Expression;
import io.github.torand.fastersql.projection.Projection;

import java.util.Random;
import java.util.stream.Stream;

import static io.github.torand.fastersql.util.contract.Requires.require;
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;

public class Substring implements SingleRowFunction {
    private final Expression expression;
    private final int startPos;
    private final int length;
    private final String alias;

    Substring(Expression expression, int startPos, int length, String alias) {
        require(() -> startPos >= 1, "startPos must be 1 or greater");
        require(() -> length >= 1, "length must be 1 or greater");

        this.expression = requireNonNull(expression, "No expression specified");
        this.alias = nonBlank(alias) ? alias : defaultAlias();
        this.startPos = startPos;
        this.length = length;
    }

    // Sql

    @Override
    public String sql(Context context) {
        return context.getDialect().formatSubstringFunction(expression.sql(context), startPos, length);
    }

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

    // Projection

    @Override
    public Projection as(String alias) {
        requireNonBlank(alias, "No alias specified");
        return new Substring(expression, length, startPos, alias);
    }

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

    // Expression

    @Override
    public Stream<Field> fieldRefs() {
        return expression.fieldRefs();
    }

    private String defaultAlias() {
        return "SUBSTRING_" + new Random().nextInt(999) + 1;
    }
}

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.singlerow;
17
18	import io.github.torand.fastersql.Context;
19	import io.github.torand.fastersql.Field;
20	import io.github.torand.fastersql.expression.Expression;
21	import io.github.torand.fastersql.projection.Projection;
22
23	import java.util.Random;
24	import java.util.stream.Stream;
25
26	import static io.github.torand.fastersql.util.contract.Requires.require;
27	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
28	import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
29	import static java.util.Objects.requireNonNull;
30
31	public class Substring implements SingleRowFunction {
32	private final Expression expression;
33	private final int startPos;
34	private final int length;
35	private final String alias;
36
37	Substring(Expression expression, int startPos, int length, String alias) {	2✔
38	require(() -> startPos >= 1, "startPos must be 1 or greater");	12!
39	require(() -> length >= 1, "length must be 1 or greater");	12!
40
41	this.expression = requireNonNull(expression, "No expression specified");	6✔
42	this.alias = nonBlank(alias) ? alias : defaultAlias();	7!
43	this.startPos = startPos;	3✔
44	this.length = length;	3✔
45	}	1✔
46
47	// Sql
48
49	@Override
50	public String sql(Context context) {
51	return context.getDialect().formatSubstringFunction(expression.sql(context), startPos, length);	12✔
52	}
53
54	@Override
55	public Stream<Object> params(Context context) {
56	return expression.params(context);	5✔
57	}
58
59	// Projection
60
61	@Override
62	public Projection as(String alias) {
63	requireNonBlank(alias, "No alias specified");	×
NEW 64	return new Substring(expression, length, startPos, alias);	×
65	}
66
67	@Override
68	public String alias() {
69	return alias;	×
70	}
71
72	// Expression
73
74	@Override
75	public Stream<Field> fieldRefs() {
76	return expression.fieldRefs();	4✔
77	}
78
79	private String defaultAlias() {
80	return "SUBSTRING_" + new Random().nextInt(999) + 1;	7✔
81	}
82	}

torand / FasterSQL / 13316818541

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