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[feature](Nereids) support select key encryptKey (apache#23257)
Add select key
```
- CREATE ENCRYPTKEY key_name AS "key_string"
- select key my_key
+-----------------------------+
| encryptKeyRef('', 'my_key') |
+-----------------------------+
| ABCD123456789 |
+-----------------------------+
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84 changes: 84 additions & 0 deletions
84
.../main/java/org/apache/doris/nereids/trees/expressions/functions/scalar/EncryptKeyRef.java
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| @@ -0,0 +1,84 @@ | ||
| // 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.doris.nereids.trees.expressions.functions.scalar; | ||
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| import org.apache.doris.catalog.FunctionSignature; | ||
| import org.apache.doris.nereids.trees.expressions.Expression; | ||
| import org.apache.doris.nereids.trees.expressions.functions.AlwaysNotNullable; | ||
| import org.apache.doris.nereids.trees.expressions.functions.ExplicitlyCastableSignature; | ||
| import org.apache.doris.nereids.trees.expressions.literal.StringLikeLiteral; | ||
| import org.apache.doris.nereids.trees.expressions.shape.BinaryExpression; | ||
| import org.apache.doris.nereids.trees.expressions.visitor.ExpressionVisitor; | ||
| import org.apache.doris.nereids.types.StringType; | ||
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| import com.google.common.base.Preconditions; | ||
| import com.google.common.collect.ImmutableList; | ||
| import org.apache.hadoop.util.Lists; | ||
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| import java.util.List; | ||
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| /** | ||
| * ScalarFunction 'EncryptKeyRef'. | ||
| */ | ||
| public class EncryptKeyRef extends ScalarFunction | ||
| implements BinaryExpression, ExplicitlyCastableSignature, AlwaysNotNullable { | ||
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| public static final List<FunctionSignature> SIGNATURES = ImmutableList.of( | ||
| FunctionSignature.ret(StringType.INSTANCE).args(StringType.INSTANCE, StringType.INSTANCE) | ||
| ); | ||
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| /** | ||
| * constructor with 2 arguments. | ||
| */ | ||
| public EncryptKeyRef(Expression arg0, Expression arg1) { | ||
| super("encryptKeyRef", Lists.newArrayList(arg0, arg1)); | ||
| } | ||
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| public EncryptKeyRef(List<Expression> args) { | ||
| super("encryptKeyRef", args); | ||
| } | ||
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| public String getDbName() { | ||
| Preconditions.checkArgument(children.get(0) instanceof StringLikeLiteral); | ||
| return ((StringLikeLiteral) children.get(0)).value; | ||
| } | ||
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| public String getEncryptKeyName() { | ||
| Preconditions.checkArgument(children.get(1) instanceof StringLikeLiteral); | ||
| return ((StringLikeLiteral) children.get(1)).value; | ||
| } | ||
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| /** | ||
| * withChildren. | ||
| */ | ||
| @Override | ||
| public EncryptKeyRef withChildren(List<Expression> children) { | ||
| Preconditions.checkArgument(children.size() == 2); | ||
| return new EncryptKeyRef(children); | ||
| } | ||
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| @Override | ||
| public List<FunctionSignature> getSignatures() { | ||
| return SIGNATURES; | ||
| } | ||
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| @Override | ||
| public <R, C> R accept(ExpressionVisitor<R, C> visitor, C context) { | ||
| return visitor.visitEncryptKeyRef(this, context); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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@@ -173,3 +173,6 @@ true | |
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| -- !sql_encryptkey -- | ||
| ABCD123456789 ABCD123456789 | ||
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