14972998308

Committed 12 May 2025 01:04PM UTC coverage: 67.475% (+0.3%) from 67.194%

Build # 14972998308

Build Type

Pull #27

github

Committed by

web-flow

Commit Message

Merge d0df0a4c0 into 1f1b3df71

Pull Request Pull Request #27: feat: add support for SQL Server dialect

Coverage Stats

219 of 418 branches covered (52.39%)

Branch coverage included in aggregate %.

51 of 64 new or added lines in 13 files covered. (79.69%)

1144 of 1602 relevant lines covered (71.41%)

3.81 hits per line

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72.22

/src/main/java/io/github/torand/fastersql/dialect/MariaDbDialect.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.CURRENT_TIME;
import static io.github.torand.fastersql.dialect.Capability.LIMIT_OFFSET;
import static io.github.torand.fastersql.dialect.Capability.MODULO_OPERATOR;
import static io.github.torand.fastersql.dialect.Capability.SELECT_FOR_UPDATE;

/**
 * Defines the MAriaDB SQL dialect.
 *
 * <a href="https://mariadb.com/kb/en/sql-statements/" />
 */
public class MariaDbDialect implements Dialect {
    private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CURRENT_TIME, MODULO_OPERATOR, SELECT_FOR_UPDATE);

    @Override
    public String getProductName() {
        return "MariaDB";
    }

    @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.empty();
    }

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

    @Override
    public String formatToCharFunction(String operand, String format) {
        throw new UnsupportedOperationException("MariaDB does not support the to_char() function");
    }

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

    @Override
    public String formatConcatFunction(List<String> operands) {
        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) {
        throw new UnsupportedOperationException("MariaDB does not support the mod() function (use the modulo infix operator instead)");
    }

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

    @Override
    public Optional<String> getConcatOperator() {
        return Optional.empty();
    }

    @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.CURRENT_TIME;
23	import static io.github.torand.fastersql.dialect.Capability.LIMIT_OFFSET;
24	import static io.github.torand.fastersql.dialect.Capability.MODULO_OPERATOR;
25	import static io.github.torand.fastersql.dialect.Capability.SELECT_FOR_UPDATE;
26
27	/**
28	* Defines the MAriaDB SQL dialect.
29	*
30	* <a href="https://mariadb.com/kb/en/sql-statements/" />
31	*/
32	public class MariaDbDialect implements Dialect {	3✔
33	private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CURRENT_TIME, MODULO_OPERATOR, SELECT_FOR_UPDATE);	7✔
34
35	@Override
36	public String getProductName() {
37	return "MariaDB";	2✔
38	}
39
40	@Override
41	public boolean offsetBeforeLimit() {
42	return false;	2✔
43	}
44
45	@Override
46	public Optional<String> formatRowOffsetClause() {
47	return Optional.of("offset ?");	3✔
48	}
49
50	@Override
51	public Optional<String> formatRowLimitClause() {
52	return Optional.of("limit ?");	3✔
53	}
54
55	@Override
56	public Optional<String> formatRowNumLiteral() {
57	return Optional.empty();	×
58	}
59
60	@Override
61	public String formatToNumberFunction(String operand, int precision, int scale) {
62	return "cast(" + operand + " as decimal(" + precision + "," + scale + "))";	×
63	}
64
65	@Override
66	public String formatToCharFunction(String operand, String format) {
67	throw new UnsupportedOperationException("MariaDB does not support the to_char() function");	×
68	}
69
70	@Override
71	public String formatSubstringFunction(String operand, int startPos, int length) {
72	return "substring(" + operand + ", " + startPos + ", " + length + ")";	5✔
73	}
74
75	@Override
76	public String formatConcatFunction(List<String> operands) {
77	return "concat(%s)".formatted(String.join(", ", operands));	11✔
78	}
79
80	@Override
81	public String formatLengthFunction(String operand) {
82	return "char_length(" + operand + ")";	3✔
83	}
84
85	@Override
86	public String formatCeilFunction(String operand) {
87	return "ceil(" + operand + ")";	3✔
88	}
89
90	@Override
91	public String formatRoundFunction(String operand) {
92	return "round(" + operand + ")";	3✔
93	}
94
95	@Override
96	public String formatModuloFunction(String divisor, String dividend) {
97	throw new UnsupportedOperationException("MariaDB does not support the mod() function (use the modulo infix operator instead)");	×
98	}
99
100	@Override
101	public String formatCurrentDateFunction() {
102	return "current_date";	2✔
103	}
104
105	@Override
106	public Optional<String> getConcatOperator() {
NEW 107	return Optional.empty();	×
108	}
109
110	@Override
111	public boolean supports(Capability capability) {
112	return SUPPORTED_CAPS.contains(capability);	4✔
113	}
114	}

torand / FasterSQL / 14972998308

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