12970217277

Committed 26 Jan 2025 01:31AM UTC coverage: 49.458%. Remained the same

Build # 12970217277

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push

github

Committed by

torand

Commit Message

refactor: condition -> predicate

Run Details

108 of 322 branches covered (33.54%)

Branch coverage included in aggregate %.

58 of 137 new or added lines in 12 files covered. (42.34%)

3 existing lines in 2 files now uncovered.

622 of 1154 relevant lines covered (53.9%)

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66.1

/src/main/java/io/github/torand/fastersql/statement/UpdateStatement.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.Context;
import io.github.torand.fastersql.Field;
import io.github.torand.fastersql.Table;
import io.github.torand.fastersql.constant.Constant;
import io.github.torand.fastersql.function.Function;
import io.github.torand.fastersql.predicate.OptionalPredicate;
import io.github.torand.fastersql.predicate.Predicate;
import io.github.torand.fastersql.util.functional.Optionals;

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

import static io.github.torand.fastersql.Command.UPDATE;
import static io.github.torand.fastersql.util.collection.CollectionHelper.*;
import static io.github.torand.fastersql.util.contract.Requires.requireNonEmpty;
import static java.util.Objects.requireNonNull;
import static java.util.stream.Collectors.joining;

public class UpdateStatement extends PreparableStatement {
    private final Table<?> table;
    private final List<FieldValue> fieldValues;
    private final List<Predicate> predicates;

    UpdateStatement(Table<?> table, Collection<FieldValue> fieldValues, Collection<Predicate> predicates) {
        this.table = requireNonNull(table, "No table specified");
        this.fieldValues = asList(fieldValues);
        this.predicates = asList(predicates);
    }

    public UpdateStatement set(Field field, Constant constant) {
        requireNonNull(field, "No field specified");
        requireNonNull(constant, "No constant specified");

        List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, constant.value()));
        return new UpdateStatement(table, concatenated, predicates);
    }

    public UpdateStatement set(Field field, Function function) {
        requireNonNull(field, "No field specified");
        requireNonNull(function, "No function specified");

        List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, function));
        return new UpdateStatement(table, concatenated, predicates);
    }

    public UpdateStatement set(Field field, Object value) {
        requireNonNull(field, "No field specified");

        List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, value));
        return new UpdateStatement(table, concatenated, predicates);
    }

    public UpdateStatement set(Field field, Optional<?> maybeValue) {
        requireNonNull(field, "No field specified");
        requireNonNull(maybeValue, "No value specified");

        if (maybeValue.isPresent()) {
            List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, maybeValue.get()));
            return new UpdateStatement(table, concatenated, predicates);
        } else {
            return this;
        }
    }

    public UpdateStatement where(Predicate... predicates) {
        requireNonEmpty(predicates, "No predicates specified");

        List<Predicate> concatenated = concat(this.predicates, predicates);
        return new UpdateStatement(table, fieldValues, concatenated);
    }

    /**
     * Same as other method of same name, but only adds to the where clause predicates that are present.
     * @param maybePredicates the predicates that may be present or not
     * @return updated statement, for method chaining
     */
    public final UpdateStatement where(OptionalPredicate... maybePredicates) {
        requireNonEmpty(maybePredicates, "No optional predicates specified");

        List<Predicate> concatenated = concat(this.predicates, OptionalPredicate.unwrap(maybePredicates));
        return new UpdateStatement(table, fieldValues, concatenated);
    }

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

        StringBuilder sb = new StringBuilder();
        sb.append("update ");
        sb.append(table.sql(context));
        sb.append(" set ");
        sb.append(streamSafely(fieldValues).map(fv -> fv.field().sql(localContext) + " = " + fv.valueSql(localContext)).collect(joining(", ")));
        if (nonEmpty(predicates)) {
            sb.append(" where ");
            sb.append(streamSafely(predicates).map(e -> e.sql(localContext)).collect(joining(" and ")));
        }

        return sb.toString();
    }

    @Override
    List<Object> params(Context context) {
        return Stream.concat(streamSafely(fieldValues).map(FieldValue::param).flatMap(Optionals::stream), streamSafely(predicates).flatMap(e -> e.params(context))).toList();
    }

    private void validate() {
        if (isEmpty(fieldValues)) {
            throw new IllegalStateException("No values to set");
        }
        validateFieldTableRelations(streamSafely(fieldValues).map(FieldValue::field));
        validateFieldTableRelations(streamSafely(predicates).flatMap(Predicate::fieldRefs));
    }

    private void validateFieldTableRelations(Stream<Field> fields) {
        fields
            .filter(f -> !table.name().equalsIgnoreCase(f.table().name()))
            .findFirst()
            .ifPresent(f -> {
                throw new IllegalStateException("Field " + f.name() + " belongs to table " + f.table().name() + ", but is not specified in the UPDATE 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.Context;
19	import io.github.torand.fastersql.Field;
20	import io.github.torand.fastersql.Table;
21	import io.github.torand.fastersql.constant.Constant;
22	import io.github.torand.fastersql.function.Function;
23	import io.github.torand.fastersql.predicate.OptionalPredicate;
24	import io.github.torand.fastersql.predicate.Predicate;
25	import io.github.torand.fastersql.util.functional.Optionals;
26
27	import java.util.Collection;
28	import java.util.List;
29	import java.util.Optional;
30	import java.util.stream.Stream;
31
32	import static io.github.torand.fastersql.Command.UPDATE;
33	import static io.github.torand.fastersql.util.collection.CollectionHelper.*;
34	import static io.github.torand.fastersql.util.contract.Requires.requireNonEmpty;
35	import static java.util.Objects.requireNonNull;
36	import static java.util.stream.Collectors.joining;
37
38	public class UpdateStatement extends PreparableStatement {
39	private final Table<?> table;
40	private final List<FieldValue> fieldValues;
41	private final List<Predicate> predicates;
42
43	UpdateStatement(Table<?> table, Collection<FieldValue> fieldValues, Collection<Predicate> predicates) {	2✔
44	this.table = requireNonNull(table, "No table specified");	6✔
45	this.fieldValues = asList(fieldValues);	4✔
46	this.predicates = asList(predicates);	4✔
47	}	1✔
48
49	public UpdateStatement set(Field field, Constant constant) {
50	requireNonNull(field, "No field specified");	×
51	requireNonNull(constant, "No constant specified");	×
52
53	List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, constant.value()));	×
NEW 54	return new UpdateStatement(table, concatenated, predicates);	×
55	}
56
57	public UpdateStatement set(Field field, Function function) {
58	requireNonNull(field, "No field specified");	4✔
59	requireNonNull(function, "No function specified");	4✔
60
61	List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, function));	14✔
62	return new UpdateStatement(table, concatenated, predicates);	9✔
63	}
64
65	public UpdateStatement set(Field field, Object value) {
66	requireNonNull(field, "No field specified");	4✔
67
68	List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, value));	14✔
69	return new UpdateStatement(table, concatenated, predicates);	9✔
70	}
71
72	public UpdateStatement set(Field field, Optional<?> maybeValue) {
73	requireNonNull(field, "No field specified");	×
74	requireNonNull(maybeValue, "No value specified");	×
75
76	if (maybeValue.isPresent()) {	×
77	List<FieldValue> concatenated = concat(this.fieldValues, new FieldValue(field, maybeValue.get()));	×
NEW 78	return new UpdateStatement(table, concatenated, predicates);	×
79	} else {
80	return this;	×
81	}
82	}
83
84	public UpdateStatement where(Predicate... predicates) {
85	requireNonEmpty(predicates, "No predicates specified");	6✔
86
87	List<Predicate> concatenated = concat(this.predicates, predicates);	5✔
88	return new UpdateStatement(table, fieldValues, concatenated);	9✔
89	}
90
91	/**
92	* Same as other method of same name, but only adds to the where clause predicates that are present.
93	* @param maybePredicates the predicates that may be present or not
94	* @return updated statement, for method chaining
95	*/
96	public final UpdateStatement where(OptionalPredicate... maybePredicates) {
NEW 97	requireNonEmpty(maybePredicates, "No optional predicates specified");	×
98
NEW 99	List<Predicate> concatenated = concat(this.predicates, OptionalPredicate.unwrap(maybePredicates));	×
100	return new UpdateStatement(table, fieldValues, concatenated);	×
101	}
102
103	@Override
104	String sql(Context context) {
105	final Context localContext = context.withCommand(UPDATE);	4✔
106	validate();	2✔
107
108	StringBuilder sb = new StringBuilder();	4✔
109	sb.append("update ");	4✔
110	sb.append(table.sql(context));	7✔
111	sb.append(" set ");	4✔
112	sb.append(streamSafely(fieldValues).map(fv -> fv.field().sql(localContext) + " = " + fv.valueSql(localContext)).collect(joining(", ")));	22✔
113	if (nonEmpty(predicates)) {	4!
114	sb.append(" where ");	4✔
115	sb.append(streamSafely(predicates).map(e -> e.sql(localContext)).collect(joining(" and ")));	17✔
116	}
117
118	return sb.toString();	3✔
119	}
120
121	@Override
122	List<Object> params(Context context) {
123	return Stream.concat(streamSafely(fieldValues).map(FieldValue::param).flatMap(Optionals::stream), streamSafely(predicates).flatMap(e -> e.params(context))).toList();	20✔
124	}
125
126	private void validate() {
127	if (isEmpty(fieldValues)) {	4!
128	throw new IllegalStateException("No values to set");	×
129	}
130	validateFieldTableRelations(streamSafely(fieldValues).map(FieldValue::field));	7✔
131	validateFieldTableRelations(streamSafely(predicates).flatMap(Predicate::fieldRefs));	7✔
132	}	1✔
133
134	private void validateFieldTableRelations(Stream<Field> fields) {
135	fields	3✔
136	.filter(f -> !table.name().equalsIgnoreCase(f.table().name()))	11!
137	.findFirst()	2✔
138	.ifPresent(f -> {	1✔
139	throw new IllegalStateException("Field " + f.name() + " belongs to table " + f.table().name() + ", but is not specified in the UPDATE clause");	×
140	});
141	}	1✔
142	}

torand / FasterSQL / 12970217277

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