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

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0.0

/src/main/java/io/github/torand/fastersql/function/singlerow/ToNumber.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.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.projection.Projection;

import java.util.Optional;
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 ToNumber implements SingleRowFunction {
    private final Expression expression;
    private final int precision;
    private final int scale;
    private final ColumnAlias alias;

    ToNumber(Expression expression, int precision, int scale, String alias) {
        require(() -> precision >= 1, "precision must be 1 or greater");
        require(() -> scale >= 0, "scale must be 0 or greater");
        require(() -> scale <= precision, "scale must be less than or equal to precision");

        this.expression = requireNonNull(expression, "No expression specified");
        this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();
        this.precision = precision;
        this.scale = scale;
    }

    // Sql

    @Override
    public String sql(Context context) {
        return context.getDialect().formatToNumberFunction(expression.sql(context), precision, scale);
    }

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

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

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

    // Projection

    @Override
    public Projection as(String alias) {
        requireNonBlank(alias, "No alias specified");
        return new ToNumber(expression, precision, scale, alias);
    }

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

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

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.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.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.require;
28	import static io.github.torand.fastersql.util.contract.Requires.requireNonBlank;
29	import static io.github.torand.fastersql.util.lang.StringHelper.nonBlank;
30	import static java.util.Objects.requireNonNull;
31
32	public class ToNumber implements SingleRowFunction {
33	private final Expression expression;
34	private final int precision;
35	private final int scale;
36	private final ColumnAlias alias;
37
38	ToNumber(Expression expression, int precision, int scale, String alias) {	×
39	require(() -> precision >= 1, "precision must be 1 or greater");	×
40	require(() -> scale >= 0, "scale must be 0 or greater");	×
41	require(() -> scale <= precision, "scale must be less than or equal to precision");	×
42
43	this.expression = requireNonNull(expression, "No expression specified");	×
NEW 44	this.alias = nonBlank(alias) ? new ColumnAlias(alias) : defaultAlias();	×
45	this.precision = precision;	×
46	this.scale = scale;	×
47	}	×
48
49	// Sql
50
51	@Override
52	public String sql(Context context) {
53	return context.getDialect().formatToNumberFunction(expression.sql(context), precision, scale);	×
54	}
55
56	@Override
57	public Stream<Object> params(Context context) {
58	return expression.params(context);	×
59	}
60
61	@Override
62	public Stream<Column> columnRefs() {
NEW 63	return expression.columnRefs();	×
64	}
65
66	@Override
67	public Stream<ColumnAlias> aliasRefs() {
NEW 68	return expression.aliasRefs();	×
69	}
70
71	// Projection
72
73	@Override
74	public Projection as(String alias) {
75	requireNonBlank(alias, "No alias specified");	×
76	return new ToNumber(expression, precision, scale, alias);	×
77	}
78
79	@Override
80	public Optional<ColumnAlias> alias() {
NEW 81	return Optional.ofNullable(alias);	×
82	}
83
84	private ColumnAlias defaultAlias() {
NEW 85	return ColumnAlias.generate("TO_NUMBER_");	×
86	}
87	}

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