13393719904

Committed 18 Feb 2025 03:08PM UTC coverage: 60.439% (+0.5%) from 59.964%

Build # 13393719904

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push

github

Committed by

torand

Commit Message

test: MySQL specific testing of insert clause

Run Details

160 of 346 branches covered (46.24%)

Branch coverage included in aggregate %.

4 of 11 new or added lines in 6 files covered. (36.36%)

859 of 1340 relevant lines covered (64.1%)

3.4 hits per line

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60.71

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

/**
 * Defines the Oracle SQL dialect.
 *
 * <a href="https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/" />
 */
public class OracleDialect implements Dialect {
    private final EnumSet<Capability> supportedCaps;

    public OracleDialect() {
        this(EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR));
    }

    private OracleDialect(EnumSet<Capability> capabilities) {
        this.supportedCaps = EnumSet.copyOf(capabilities);
    }

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

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

    /**
     * Row offset clause is supported from Oracle 12c onwards
     */
    @Override
    public Optional<String> formatRowOffsetClause() {
        return Optional.of("offset ? rows");
    }

    /**
     * Row limit clause is supported from Oracle 12c onwards
     */
    @Override
    public Optional<String> formatRowLimitClause() {
        return Optional.of("fetch next ? rows only");
    }

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

    @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 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) {
        throw new UnsupportedOperationException("Oracle does not support the concat() function (use the concat infix operator instead)");
    }

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

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

    /**
     * Row offset and limit clauses are supported from Oracle 12c onwards.
     * Invoke this method when using previous versions of Oracle, to simulate these clauses with subqueries.
     */
    public OracleDialect withLegacyRowLimiting() {
        EnumSet<Capability> reducedCaps = EnumSet.copyOf(supportedCaps);
        reducedCaps.remove(LIMIT_OFFSET);
        return new OracleDialect(reducedCaps);
    }
}

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
26	/**
27	* Defines the Oracle SQL dialect.
28	*
29	* <a href="https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/" />
30	*/
31	public class OracleDialect implements Dialect {
32	private final EnumSet<Capability> supportedCaps;
33
34	public OracleDialect() {
35	this(EnumSet.of(LIMIT_OFFSET, CONCAT_OPERATOR));	5✔
36	}	1✔
37
38	private OracleDialect(EnumSet<Capability> capabilities) {	2✔
39	this.supportedCaps = EnumSet.copyOf(capabilities);	4✔
40	}	1✔
41
42	@Override
43	public String getProductName() {
44	return "Oracle";	2✔
45	}
46
47	@Override
48	public boolean offsetBeforeLimit() {
49	return true;	2✔
50	}
51
52	/**
53	* Row offset clause is supported from Oracle 12c onwards
54	*/
55	@Override
56	public Optional<String> formatRowOffsetClause() {
57	return Optional.of("offset ? rows");	3✔
58	}
59
60	/**
61	* Row limit clause is supported from Oracle 12c onwards
62	*/
63	@Override
64	public Optional<String> formatRowLimitClause() {
65	return Optional.of("fetch next ? rows only");	3✔
66	}
67
68	@Override
69	public Optional<String> formatRowNumLiteral() {
70	return Optional.of("rownum");	3✔
71	}
72
73	@Override
74	public String formatToNumberFunction(String operand, int precision, int scale) {
75	StringBuilder mask = new StringBuilder();	×
76	if (precision-scale > 0) {	×
77	mask.append(generate("9", precision-scale));	×
78	}
79	if (scale > 0) {	×
80	mask.append(".").append(generate("9", scale));	×
81	}
82
83	return "to_number(" + operand + ", '" + mask + "')";	×
84	}
85
86	@Override
87	public String formatToCharFunction(String operand, String format) {
88	return "to_char(" + operand + ", " + format + ")";	4✔
89	}
90
91	@Override
92	public String formatSubstringFunction(String operand, int startPos, int length) {
93	return "substr(" + operand + ", " + startPos + ", " + length + ")";	5✔
94	}
95
96	@Override
97	public String formatConcatFunction(List<String> operands) {
NEW 98	throw new UnsupportedOperationException("Oracle does not support the concat() function (use the concat infix operator instead)");	×
99	}
100
101	@Override
102	public String formatLengthFunction(String operand) {
103	return "length(" + operand + ")";	3✔
104	}
105
106	@Override
107	public boolean supports(Capability capability) {
108	return supportedCaps.contains(capability);	5✔
109	}
110
111	/**
112	* Row offset and limit clauses are supported from Oracle 12c onwards.
113	* Invoke this method when using previous versions of Oracle, to simulate these clauses with subqueries.
114	*/
115	public OracleDialect withLegacyRowLimiting() {
116	EnumSet<Capability> reducedCaps = EnumSet.copyOf(supportedCaps);	4✔
117	reducedCaps.remove(LIMIT_OFFSET);	4✔
118	return new OracleDialect(reducedCaps);	5✔
119	}
120	}

torand / FasterSQL / 13393719904

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