13591799490

Committed 28 Feb 2025 03:59PM UTC coverage: 65.237% (-1.3%) from 66.563%

Build # 13591799490

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push

github

Committed by

web-flow

Commit Message

Merge pull request #14 from torand/having-support

feat: supporting the HAVING clause + IS NULL operator now supports an…

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214 of 408 branches covered (52.45%)

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273 of 389 new or added lines in 69 files covered. (70.18%)

3 existing lines in 3 files now uncovered.

1079 of 1574 relevant lines covered (68.55%)

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90.0

/src/main/java/io/github/torand/fastersql/statement/InsertBatchStatement.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.statement;

import io.github.torand.fastersql.Column;
import io.github.torand.fastersql.Context;
import io.github.torand.fastersql.Table;
import io.github.torand.fastersql.dialect.OracleDialect;

import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Stream;

import static io.github.torand.fastersql.Command.INSERT;
import static io.github.torand.fastersql.util.collection.CollectionHelper.asList;
import static io.github.torand.fastersql.util.collection.CollectionHelper.concat;
import static io.github.torand.fastersql.util.collection.CollectionHelper.isEmpty;
import static io.github.torand.fastersql.util.collection.CollectionHelper.streamSafely;
import static io.github.torand.fastersql.util.contract.Requires.requireNonEmpty;
import static java.util.Objects.isNull;
import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.joining;

public class InsertBatchStatement<T> extends PreparableStatement {
    private final Table<?> table;
    private final List<ColumnValueExtractor<? super T>> columnValueExtractors;
    private final List<? extends T> entities;

    InsertBatchStatement(Collection<? extends T> entities, Table<?> table, Collection<ColumnValueExtractor<? super T>> columnValueExtractors) {
        this.entities = asList(requireNonEmpty(entities, "No entities specified"));
        this.table = requireNonNull(table, "No table specified");
        this.columnValueExtractors = asList(columnValueExtractors);
    }

    public InsertBatchStatement<T> value(Column column, Function<? super T, Object> valueExtractor) {
        requireNonNull(column, "No column specified");
        requireNonNull(valueExtractor, "No value extractor specified");

        List<ColumnValueExtractor<? super T>> concatenated = concat(columnValueExtractors, new ColumnValueExtractor<>(column, valueExtractor));
        return new InsertBatchStatement<>(entities, table, concatenated);
    }

    @Override
    String sql(Context context) {
        final Context localContext = context.withCommand(INSERT);
        validate();

        if (context.getDialect() instanceof OracleDialect) {

            // INSERT ALL
            //   INTO t (col1, col2, col3) VALUES ('val1_1', 'val1_2', 'val1_3')
            //   INTO t (col1, col2, col3) VALUES ('val2_1', 'val2_2', 'val2_3')
            //   INTO t (col1, col2, col3) VALUES ('val3_1', 'val3_2', 'val3_3')
            // SELECT 1 FROM DUAL;

            StringBuilder sb = new StringBuilder();
            sb.append("insert all");
            entities().forEach(e -> {
                sb.append(" into ").append(table.sql(localContext));
                sb.append(" (");
                sb.append(columnValueExtractors().map(cve -> cve.column().sql(localContext)).collect(joining(", ")));
                sb.append(") values (");
                sb.append(columnValueExtractors().map(cve -> cve.valueSql(localContext, e)).collect(joining(", ")));
                sb.append(")");
            });

            sb.append(" select 1 from DUAL");

            return sb.toString();
        } else {

            // INSERT INTO t
            //   (col1, col2, col3)
            // VALUES
            //   ('val1_1', 'val1_2', 'val1_3'),
            //   ('val2_1', 'val2_2', 'val2_3'),
            //   ('val3_1', 'val3_2', 'val3_3');

            StringBuilder sb = new StringBuilder();
            sb.append("insert into ").append(table.sql(context));
            sb.append(" (");
            sb.append(columnValueExtractors().map(cve -> cve.column().sql(localContext)).collect(joining(", ")));
            sb.append(") values ");
            sb.append(entities().map(e -> "("
                + columnValueExtractors().map(cve -> cve.valueSql(localContext, e)).collect(joining(", "))
                + ")")
                .collect(joining(", ")));

            return sb.toString();
        }
    }

    private Stream<? extends T> entities() {
        return streamSafely(entities);
    }

    private Stream<ColumnValueExtractor<? super T>> columnValueExtractors() {
        return streamSafely(columnValueExtractors);
    }

    @Override
    List<Object> params(Context context) {
        return entities()
            .flatMap(e -> columnValueExtractors()
                .map(cve -> cve.param(e))
                .flatMap(Optional::stream))
            .toList();
    }

    private void validate() {
        if (isNull(table)) {
            throw new IllegalStateException("No table specified");
        }
        if (isEmpty(columnValueExtractors)) {
            throw new IllegalStateException("No values specified");
        }
        validateColumnTableRelations(columnValueExtractors().map(ColumnValueExtractor::column));
    }

    private void validateColumnTableRelations(Stream<Column> columns) {
        columns
            .filter(c -> !table.name().equals(c.table().name()))
            .findFirst()
            .ifPresent(c -> {
                throw new IllegalStateException("Column " + c.name() + " belongs to table " + c.table().name() + ", not the table specified by the INTO clause");
            });
    }
}

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.statement;
17
18	import io.github.torand.fastersql.Column;
19	import io.github.torand.fastersql.Context;
20	import io.github.torand.fastersql.Table;
21	import io.github.torand.fastersql.dialect.OracleDialect;
22
23	import java.util.Collection;
24	import java.util.List;
25	import java.util.Optional;
26	import java.util.function.Function;
27	import java.util.stream.Stream;
28
29	import static io.github.torand.fastersql.Command.INSERT;
30	import static io.github.torand.fastersql.util.collection.CollectionHelper.asList;
31	import static io.github.torand.fastersql.util.collection.CollectionHelper.concat;
32	import static io.github.torand.fastersql.util.collection.CollectionHelper.isEmpty;
33	import static io.github.torand.fastersql.util.collection.CollectionHelper.streamSafely;
34	import static io.github.torand.fastersql.util.contract.Requires.requireNonEmpty;
35	import static java.util.Objects.isNull;
36	import static java.util.Objects.requireNonNull;
37	import static java.util.stream.Collectors.joining;
38
39	public class InsertBatchStatement<T> extends PreparableStatement {
40	private final Table<?> table;
41	private final List<ColumnValueExtractor<? super T>> columnValueExtractors;
42	private final List<? extends T> entities;
43
44	InsertBatchStatement(Collection<? extends T> entities, Table<?> table, Collection<ColumnValueExtractor<? super T>> columnValueExtractors) {	2✔
45	this.entities = asList(requireNonEmpty(entities, "No entities specified"));	8✔
46	this.table = requireNonNull(table, "No table specified");	6✔
47	this.columnValueExtractors = asList(columnValueExtractors);	4✔
48	}	1✔
49
50	public InsertBatchStatement<T> value(Column column, Function<? super T, Object> valueExtractor) {
51	requireNonNull(column, "No column specified");	4✔
52	requireNonNull(valueExtractor, "No value extractor specified");	4✔
53
54	List<ColumnValueExtractor<? super T>> concatenated = concat(columnValueExtractors, new ColumnValueExtractor<>(column, valueExtractor));	14✔
55	return new InsertBatchStatement<>(entities, table, concatenated);	9✔
56	}
57
58	@Override
59	String sql(Context context) {
60	final Context localContext = context.withCommand(INSERT);	4✔
61	validate();	2✔
62
63	if (context.getDialect() instanceof OracleDialect) {	4✔
64
65	// INSERT ALL
66	// INTO t (col1, col2, col3) VALUES ('val1_1', 'val1_2', 'val1_3')
67	// INTO t (col1, col2, col3) VALUES ('val2_1', 'val2_2', 'val2_3')
68	// INTO t (col1, col2, col3) VALUES ('val3_1', 'val3_2', 'val3_3')
69	// SELECT 1 FROM DUAL;
70
71	StringBuilder sb = new StringBuilder();	4✔
72	sb.append("insert all");	4✔
73	entities().forEach(e -> {	7✔
74	sb.append(" into ").append(table.sql(localContext));	9✔
75	sb.append(" (");	4✔
76	sb.append(columnValueExtractors().map(cve -> cve.column().sql(localContext)).collect(joining(", ")));	17✔
77	sb.append(") values (");	4✔
78	sb.append(columnValueExtractors().map(cve -> cve.valueSql(localContext, e)).collect(joining(", ")));	18✔
79	sb.append(")");	4✔
80	});	1✔
81
82	sb.append(" select 1 from DUAL");	4✔
83
84	return sb.toString();	3✔
85	} else {
86
87	// INSERT INTO t
88	// (col1, col2, col3)
89	// VALUES
90	// ('val1_1', 'val1_2', 'val1_3'),
91	// ('val2_1', 'val2_2', 'val2_3'),
92	// ('val3_1', 'val3_2', 'val3_3');
93
94	StringBuilder sb = new StringBuilder();	4✔
95	sb.append("insert into ").append(table.sql(context));	9✔
96	sb.append(" (");	4✔
97	sb.append(columnValueExtractors().map(cve -> cve.column().sql(localContext)).collect(joining(", ")));	17✔
98	sb.append(") values ");	4✔
99	sb.append(entities().map(e -> "("	12✔
100	+ columnValueExtractors().map(cve -> cve.valueSql(localContext, e)).collect(joining(", "))	15✔
101	+ ")")
102	.collect(joining(", ")));	3✔
103
104	return sb.toString();	3✔
105	}
106	}
107
108	private Stream<? extends T> entities() {
109	return streamSafely(entities);	4✔
110	}
111
112	private Stream<ColumnValueExtractor<? super T>> columnValueExtractors() {
113	return streamSafely(columnValueExtractors);	4✔
114	}
115
116	@Override
117	List<Object> params(Context context) {
118	return entities()	5✔
119	.flatMap(e -> columnValueExtractors()	6✔
120	.map(cve -> cve.param(e))	6✔
121	.flatMap(Optional::stream))	1✔
122	.toList();	1✔
123	}
124
125	private void validate() {
126	if (isNull(table)) {	4!
127	throw new IllegalStateException("No table specified");	×
128	}
129	if (isEmpty(columnValueExtractors)) {	4!
130	throw new IllegalStateException("No values specified");	×
131	}
132	validateColumnTableRelations(columnValueExtractors().map(ColumnValueExtractor::column));	6✔
133	}	1✔
134
135	private void validateColumnTableRelations(Stream<Column> columns) {
136	columns	3✔
137	.filter(c -> !table.name().equals(c.table().name()))	11!
138	.findFirst()	2✔
139	.ifPresent(c -> {	1✔
NEW 140	throw new IllegalStateException("Column " + c.name() + " belongs to table " + c.table().name() + ", not the table specified by the INTO clause");	×
141	});
142	}	1✔
143	}

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