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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0.0

/src/main/java/io/github/torand/fastersql/dialect/AnsiIsoDialect.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.LIMIT_OFFSET;
import static io.github.torand.fastersql.dialect.Capability.MODULO_OPERATOR;
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://standards.iso.org/iso-iec/9075/-2/ed-6/en/ISO_IEC_9075-2(E)_Foundation.bnf.txt">ANSI/ISO</a> (ISO/IEC 9075) SQL dialect.
 */
public class AnsiIsoDialect implements Dialect {
    private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, MODULO_OPERATOR, SELECT_FOR_UPDATE, TRUNCATE_TABLE);

    /**
     * Creates an ANSI/ISO {@link Dialect} implementation.
     */
    public AnsiIsoDialect() {}

    @Override
    public String getProductName() {
        return "ANSI/ISO";
    }

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

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

    @Override
    public Optional<String> formatRowLimitClause() {
        return Optional.of("fetch next ? rows only");
    }

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

    @Override
    public String formatToNumberFunction(String operand, int precision, int scale) {
        return "to_number(%s)".formatted(operand);
    }

    @Override
    public String formatToCharFunction(String operand, String format) {
        return "to_char(%s, %s)".formatted(operand, format);
    }

    @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 "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("ANSI/ISO SQL 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.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.LIMIT_OFFSET;
23	import static io.github.torand.fastersql.dialect.Capability.MODULO_OPERATOR;
24	import static io.github.torand.fastersql.dialect.Capability.SELECT_FOR_UPDATE;
25	import static io.github.torand.fastersql.dialect.Capability.TRUNCATE_TABLE;
26
27	/**
28	* Defines the <a href="https://standards.iso.org/iso-iec/9075/-2/ed-6/en/ISO_IEC_9075-2(E)_Foundation.bnf.txt">ANSI/ISO</a> (ISO/IEC 9075) SQL dialect.
29	*/
30	public class AnsiIsoDialect implements Dialect {
31	private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, MODULO_OPERATOR, SELECT_FOR_UPDATE, TRUNCATE_TABLE);	×
32
33	/**
34	* Creates an ANSI/ISO {@link Dialect} implementation.
35	*/
36	public AnsiIsoDialect() {}	×
37
38	@Override
39	public String getProductName() {
40	return "ANSI/ISO";	×
41	}
42
43	@Override
44	public boolean offsetBeforeLimit() {
45	return true;	×
46	}
47
48	@Override
49	public Optional<String> formatRowOffsetClause() {
50	return Optional.of("offset ? rows");	×
51	}
52
53	@Override
54	public Optional<String> formatRowLimitClause() {
55	return Optional.of("fetch next ? rows only");	×
56	}
57
58	@Override
59	public Optional<String> formatRowNumLiteral() {
60	return Optional.empty();	×
61	}
62
63	@Override
64	public String formatToNumberFunction(String operand, int precision, int scale) {
65	return "to_number(%s)".formatted(operand);	×
66	}
67
68	@Override
69	public String formatToCharFunction(String operand, String format) {
70	return "to_char(%s, %s)".formatted(operand, format);	×
71	}
72
73	@Override
74	public String formatSubstringFunction(String operand, int startPos, int length) {
75	return "substring(" + operand + ", " + startPos + ", " + length + ")";	×
76	}
77
78	@Override
79	public String formatConcatFunction(List<String> operands) {
80	return "concat(%s)".formatted(String.join(", ", operands));	×
81	}
82
83	@Override
84	public String formatLengthFunction(String operand) {
85	return "length(" + operand + ")";	×
86	}
87
88	@Override
89	public String formatCeilFunction(String operand) {
90	return "ceil(" + operand + ")";	×
91	}
92
93	@Override
94	public String formatRoundFunction(String operand) {
95	return "round(" + operand + ")";	×
96	}
97
98	@Override
99	public String formatModuloFunction(String divisor, String dividend) {
100	throw new UnsupportedOperationException("ANSI/ISO SQL does not support the mod() function (use the modulo infix operator instead)");	×
101	}
102
103	@Override
104	public String formatCurrentDateFunction() {
105	return "current_date";	×
106	}
107
108	@Override
109	public Optional<String> getConcatOperator() {
110	return Optional.of("\|\|");	×
111	}
112
113	@Override
114	public boolean supports(Capability capability) {
115	return SUPPORTED_CAPS.contains(capability);	×
116	}
117	}

torand / FasterSQL / 15346133148

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