13367709795

Committed 17 Feb 2025 10:06AM UTC coverage: 58.785% (+2.0%) from 56.762%

Build # 13367709795

Build Type

push

github

Committed by

torand

Commit Message

feat: support length function

Run Details

148 of 338 branches covered (43.79%)

Branch coverage included in aggregate %.

10 of 17 new or added lines in 7 files covered. (58.82%)

66 existing lines in 9 files now uncovered.

829 of 1324 relevant lines covered (62.61%)

3.33 hits per line

Source File
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0.0

/src/main/java/io/github/torand/fastersql/dialect/PostgreSqlDialect.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.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.LIMIT_OFFSET;
import static io.github.torand.fastersql.util.lang.StringHelper.generate;

public class PostgreSqlDialect implements Dialect {
    private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR);

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

    @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) {
        StringBuilder mask = new StringBuilder();
        if (precision-scale > 0) {
            mask.append(generate("9", precision-scale));
        }
        if (scale > 0) {
            mask.append(".").append(generate("9", scale));
        }

        return "to_number(" + operand + ", '" + mask + "')";
    }

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

    @Override
    public String formatConcatFunction(List<String> operands) {
        throw new UnsupportedOperationException("Use the concat infix operator for PostgreSql");
    }

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

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

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.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.LIMIT_OFFSET;
24	import static io.github.torand.fastersql.util.lang.StringHelper.generate;
25
UNCOV 26	public class PostgreSqlDialect implements Dialect {	×
UNCOV 27	private static final EnumSet<Capability> SUPPORTED_CAPS = EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR);	×
28
29	@Override
30	public String getProductName() {
UNCOV 31	return "PostgreSQL";	×
32	}
33
34	@Override
35	public Optional<String> formatRowOffsetClause() {
UNCOV 36	return Optional.of("offset ?");	×
37	}
38
39	@Override
40	public Optional<String> formatRowLimitClause() {
UNCOV 41	return Optional.of("limit ?");	×
42	}
43
44	@Override
45	public Optional<String> formatRowNumLiteral() {
UNCOV 46	return Optional.empty();	×
47	}
48
49	@Override
50	public String formatToNumberFunction(String operand, int precision, int scale) {
51	StringBuilder mask = new StringBuilder();	×
UNCOV 52	if (precision-scale > 0) {	×
53	mask.append(generate("9", precision-scale));	×
54	}
UNCOV 55	if (scale > 0) {	×
UNCOV 56	mask.append(".").append(generate("9", scale));	×
57	}
58
UNCOV 59	return "to_number(" + operand + ", '" + mask + "')";	×
60	}
61
62	@Override
63	public String formatSubstringFunction(String operand, int startPos, int length) {
UNCOV 64	return "substring(" + operand + ", " + startPos + ", " + length + ")";	×
65	}
66
67	@Override
68	public String formatConcatFunction(List<String> operands) {
UNCOV 69	throw new UnsupportedOperationException("Use the concat infix operator for PostgreSql");	×
70	}
71
72	@Override
73	public String formatLengthFunction(String operand) {
NEW 74	return "char_length(" + operand + ")";	×
75	}
76
77	@Override
78	public boolean supports(Capability capability) {
UNCOV 79	return SUPPORTED_CAPS.contains(capability);	×
80	}
81	}

torand / FasterSQL / 13367709795

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