15346133148

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

Build # 15346133148

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push

github

Committed by

torand

Commit Message

chore: test javadoc publish

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235 of 420 branches covered (55.95%)

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1237 of 1671 relevant lines covered (74.03%)

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88.89

/src/main/java/io/github/torand/fastersql/dialect/HsqldbDialect.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.dialect;

import java.util.EnumSet;
import java.util.List;
import java.util.Optional;

import static io.github.torand.fastersql.dialect.Capability.CONCAT_OPERATOR;
import static io.github.torand.fastersql.dialect.Capability.CURRENT_TIME;
import static io.github.torand.fastersql.dialect.Capability.LIMIT_OFFSET;
import static io.github.torand.fastersql.dialect.Capability.NULL_ORDERING;
import static io.github.torand.fastersql.dialect.Capability.SELECT_FOR_UPDATE;
import static io.github.torand.fastersql.dialect.Capability.TRUNCATE_TABLE;

/**
 * Defines the <a href="https://hsqldb.org/doc/2.0/guide/sqlgeneral-chapt.html">HyperSQL</a> (HSQLDB) SQL dialect.
 */
public class HsqldbDialect implements Dialect {
    private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR, CURRENT_TIME, NULL_ORDERING, SELECT_FOR_UPDATE, TRUNCATE_TABLE);

    /**
     * Creates a HyperSQL (HSQLDB) {@link Dialect} implementation.
     */
    public HsqldbDialect() {}

    @Override
    public String getProductName() {
        return "HyperSQL/HSQLDB";
    }

    @Override
    public boolean offsetBeforeLimit() {
        return false;
    }

    @Override
    public Optional<String> formatRowOffsetClause() {
        return Optional.of("offset ?");
    }

    @Override
    public Optional<String> formatRowLimitClause() {
        return Optional.of("limit ?");
    }

    @Override
    public Optional<String> formatRowNumLiteral() {
        return Optional.of("rownum()");
    }

    @Override
    public String formatToNumberFunction(String operand, int precision, int scale) {
        return "to_number(" + operand + ")";
    }

    @Override
    public String formatToCharFunction(String operand, String format) {
        return "to_char(" + operand + ", " + format + ")";
    }

    @Override
    public String formatSubstringFunction(String operand, int startPos, int length) {
        return "substr(" + operand + ", " + startPos + ", " + length + ")";
    }

    @Override
    public String formatConcatFunction(List<String> operands) {
        // Note! The concat infix operator is used in output SQL
        return "concat(%s)".formatted(String.join(", ", operands));
    }

    @Override
    public String formatLengthFunction(String operand) {
        return "char_length(" + operand + ")";
    }

    @Override
    public String formatCeilFunction(String operand) {
        return "ceil(" + operand + ")";
    }

    @Override
    public String formatRoundFunction(String operand) {
        return "round(" + operand + ")";
    }

    @Override
    public String formatModuloFunction(String divisor, String dividend) {
        return "mod(" + divisor + ", " + dividend + ")";
    }

    @Override
    public String formatCurrentDateFunction() {
        return "current_date";
    }

    @Override
    public Optional<String> getConcatOperator() {
        return Optional.of("||");
    }

    @Override
    public boolean supports(Capability capability) {
        return SUPPORTED_CAPS.contains(capability);
    }
}

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.dialect;
17
18	import java.util.EnumSet;
19	import java.util.List;
20	import java.util.Optional;
21
22	import static io.github.torand.fastersql.dialect.Capability.CONCAT_OPERATOR;
23	import static io.github.torand.fastersql.dialect.Capability.CURRENT_TIME;
24	import static io.github.torand.fastersql.dialect.Capability.LIMIT_OFFSET;
25	import static io.github.torand.fastersql.dialect.Capability.NULL_ORDERING;
26	import static io.github.torand.fastersql.dialect.Capability.SELECT_FOR_UPDATE;
27	import static io.github.torand.fastersql.dialect.Capability.TRUNCATE_TABLE;
28
29	/**
30	* Defines the <a href="https://hsqldb.org/doc/2.0/guide/sqlgeneral-chapt.html">HyperSQL</a> (HSQLDB) SQL dialect.
31	*/
32	public class HsqldbDialect implements Dialect {
33	private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR, CURRENT_TIME, NULL_ORDERING, SELECT_FOR_UPDATE, TRUNCATE_TABLE);	26✔
34
35	/**
36	* Creates a HyperSQL (HSQLDB) {@link Dialect} implementation.
37	*/
38	public HsqldbDialect() {}	3✔
39
40	@Override
41	public String getProductName() {
42	return "HyperSQL/HSQLDB";	2✔
43	}
44
45	@Override
46	public boolean offsetBeforeLimit() {
47	return false;	2✔
48	}
49
50	@Override
51	public Optional<String> formatRowOffsetClause() {
52	return Optional.of("offset ?");	3✔
53	}
54
55	@Override
56	public Optional<String> formatRowLimitClause() {
57	return Optional.of("limit ?");	3✔
58	}
59
60	@Override
61	public Optional<String> formatRowNumLiteral() {
62	return Optional.of("rownum()");	×
63	}
64
65	@Override
66	public String formatToNumberFunction(String operand, int precision, int scale) {
67	return "to_number(" + operand + ")";	3✔
68	}
69
70	@Override
71	public String formatToCharFunction(String operand, String format) {
72	return "to_char(" + operand + ", " + format + ")";	4✔
73	}
74
75	@Override
76	public String formatSubstringFunction(String operand, int startPos, int length) {
77	return "substr(" + operand + ", " + startPos + ", " + length + ")";	5✔
78	}
79
80	@Override
81	public String formatConcatFunction(List<String> operands) {
82	// Note! The concat infix operator is used in output SQL
83	return "concat(%s)".formatted(String.join(", ", operands));	×
84	}
85
86	@Override
87	public String formatLengthFunction(String operand) {
88	return "char_length(" + operand + ")";	3✔
89	}
90
91	@Override
92	public String formatCeilFunction(String operand) {
93	return "ceil(" + operand + ")";	3✔
94	}
95
96	@Override
97	public String formatRoundFunction(String operand) {
98	return "round(" + operand + ")";	3✔
99	}
100
101	@Override
102	public String formatModuloFunction(String divisor, String dividend) {
103	return "mod(" + divisor + ", " + dividend + ")";	4✔
104	}
105
106	@Override
107	public String formatCurrentDateFunction() {
108	return "current_date";	2✔
109	}
110
111	@Override
112	public Optional<String> getConcatOperator() {
113	return Optional.of("\|\|");	3✔
114	}
115
116	@Override
117	public boolean supports(Capability capability) {
118	return SUPPORTED_CAPS.contains(capability);	4✔
119	}
120	}

torand / FasterSQL / 15346133148

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