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Add SameEncryptorComparator (#32268)
* Add SameEncryptorComparator * Add SameEncryptorComparator * Add SameEncryptorComparator
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69
...phere/encrypt/rewrite/token/acrosstable/InsertSelectColumnsSameEncryptorUsageChecker.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 org.apache.shardingsphere.encrypt.rewrite.token.acrosstable; | ||
|
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| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.shardingsphere.encrypt.rule.EncryptRule; | ||
| import org.apache.shardingsphere.encrypt.spi.EncryptAlgorithm; | ||
| import org.apache.shardingsphere.infra.binder.context.segment.select.projection.Projection; | ||
| import org.apache.shardingsphere.infra.binder.context.segment.select.projection.impl.ColumnProjection; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.bound.ColumnSegmentBoundInfo; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.value.identifier.IdentifierValue; | ||
|
|
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| import java.util.Collection; | ||
| import java.util.Iterator; | ||
|
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| /** | ||
| * Insert select columns same encryptor usage checker. | ||
| */ | ||
| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| public final class InsertSelectColumnsSameEncryptorUsageChecker { | ||
|
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| /** | ||
| * Judge whether all insert select columns use same encryptor or not. | ||
| * | ||
| * @param insertColumns insert columns | ||
| * @param projections projections | ||
| * @param encryptRule encrypt rule | ||
| * @return same or different encryptors are using | ||
| */ | ||
| public static boolean isSame(final Collection<ColumnSegment> insertColumns, final Collection<Projection> projections, final EncryptRule encryptRule) { | ||
| Iterator<ColumnSegment> insertColumnsIterator = insertColumns.iterator(); | ||
| Iterator<Projection> projectionIterator = projections.iterator(); | ||
| while (insertColumnsIterator.hasNext()) { | ||
| ColumnSegment columnSegment = insertColumnsIterator.next(); | ||
| EncryptAlgorithm columnEncryptor = encryptRule.findQueryEncryptor( | ||
| columnSegment.getColumnBoundInfo().getOriginalTable().getValue(), columnSegment.getColumnBoundInfo().getOriginalColumn().getValue()).orElse(null); | ||
| Projection projection = projectionIterator.next(); | ||
| ColumnSegmentBoundInfo columnBoundInfo = getColumnSegmentBoundInfo(projection); | ||
| EncryptAlgorithm projectionEncryptor = encryptRule.findQueryEncryptor(columnBoundInfo.getOriginalTable().getValue(), columnBoundInfo.getOriginalColumn().getValue()).orElse(null); | ||
| if (!SameEncryptorComparator.isSame(columnEncryptor, projectionEncryptor)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
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| private static ColumnSegmentBoundInfo getColumnSegmentBoundInfo(final Projection projection) { | ||
| return projection instanceof ColumnProjection | ||
| ? new ColumnSegmentBoundInfo(null, null, ((ColumnProjection) projection).getOriginalTable(), ((ColumnProjection) projection).getOriginalColumn()) | ||
| : new ColumnSegmentBoundInfo(new IdentifierValue(projection.getColumnLabel())); | ||
| } | ||
| } |
58 changes: 58 additions & 0 deletions
58
...dingsphere/encrypt/rewrite/token/acrosstable/JoinConditionsSameEncryptorUsageChecker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
|
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| package org.apache.shardingsphere.encrypt.rewrite.token.acrosstable; | ||
|
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| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.shardingsphere.encrypt.rule.EncryptRule; | ||
| import org.apache.shardingsphere.encrypt.spi.EncryptAlgorithm; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.column.ColumnSegment; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.expr.BinaryOperationExpression; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.segment.generic.bound.ColumnSegmentBoundInfo; | ||
|
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| import java.util.Collection; | ||
|
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| /** | ||
| * Join conditions same encryptor usage checker. | ||
| */ | ||
| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| public final class JoinConditionsSameEncryptorUsageChecker { | ||
|
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| /** | ||
| * Judge whether all join conditions use same encryptor or not. | ||
| * | ||
| * @param joinConditions join conditions | ||
| * @param encryptRule encrypt rule | ||
| * @return same or different encryptors are using | ||
| */ | ||
| public static boolean isSame(final Collection<BinaryOperationExpression> joinConditions, final EncryptRule encryptRule) { | ||
| for (BinaryOperationExpression each : joinConditions) { | ||
| if (!(each.getLeft() instanceof ColumnSegment) || !(each.getRight() instanceof ColumnSegment)) { | ||
| continue; | ||
| } | ||
| ColumnSegmentBoundInfo leftColumnInfo = ((ColumnSegment) each.getLeft()).getColumnBoundInfo(); | ||
| EncryptAlgorithm leftColumnEncryptor = encryptRule.findQueryEncryptor(leftColumnInfo.getOriginalTable().getValue(), leftColumnInfo.getOriginalColumn().getValue()).orElse(null); | ||
| ColumnSegmentBoundInfo rightColumnInfo = ((ColumnSegment) each.getRight()).getColumnBoundInfo(); | ||
| EncryptAlgorithm rightColumnEncryptor = encryptRule.findQueryEncryptor(rightColumnInfo.getOriginalTable().getValue(), rightColumnInfo.getOriginalColumn().getValue()).orElse(null); | ||
| if (!SameEncryptorComparator.isSame(leftColumnEncryptor, rightColumnEncryptor)) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } |
46 changes: 46 additions & 0 deletions
46
.../org/apache/shardingsphere/encrypt/rewrite/token/acrosstable/SameEncryptorComparator.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 org.apache.shardingsphere.encrypt.rewrite.token.acrosstable; | ||
|
|
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| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.shardingsphere.encrypt.spi.EncryptAlgorithm; | ||
|
|
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| /** | ||
| * Same encryptor comparator. | ||
| */ | ||
| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| public final class SameEncryptorComparator { | ||
|
|
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| /** | ||
| * Compare whether to same encryptor. | ||
| * | ||
| * @param encryptor1 encryptor 1 to be compared | ||
| * @param encryptor2 encryptor 2 to be compared | ||
| * @return same or different encryptors | ||
| */ | ||
| public static boolean isSame(final EncryptAlgorithm encryptor1, final EncryptAlgorithm encryptor2) { | ||
| if (null == encryptor1 && null == encryptor2) { | ||
| return true; | ||
| } | ||
| if (null != encryptor1 && null != encryptor2) { | ||
| return encryptor1.getType().equals(encryptor2.getType()) && encryptor1.equals(encryptor2); | ||
| } | ||
| return false; | ||
| } | ||
| } |
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