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Added a new nativeFunctionHandle to fix the failing variadic functions
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Pratik Joseph Dabre
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Aug 1, 2024
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96 changes: 96 additions & 0 deletions
96
...src/main/java/com/facebook/presto/functionNamespace/prestissimo/NativeFunctionHandle.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| /* | ||
| * 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 com.facebook.presto.functionNamespace.prestissimo; | ||
|
|
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| import com.facebook.presto.common.CatalogSchemaName; | ||
| import com.facebook.presto.spi.function.FunctionKind; | ||
| import com.facebook.presto.spi.function.Signature; | ||
| import com.facebook.presto.spi.function.SqlFunctionHandle; | ||
| import com.facebook.presto.spi.function.SqlFunctionId; | ||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
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|
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| import java.util.Objects; | ||
|
|
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| import static java.util.Objects.requireNonNull; | ||
|
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| public class NativeFunctionHandle | ||
| extends SqlFunctionHandle | ||
| { | ||
| private final Signature signature; | ||
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|
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| @JsonCreator | ||
| public NativeFunctionHandle(@JsonProperty("signature") Signature signature) | ||
| { | ||
| super(new SqlFunctionId(signature.getName(), signature.getArgumentTypes()), "1"); | ||
| this.signature = requireNonNull(signature, "signature is null"); | ||
| checkArgument(signature.getTypeVariableConstraints().isEmpty(), "%s has unbound type parameters", signature); | ||
| } | ||
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| @JsonProperty | ||
| public Signature getSignature() | ||
| { | ||
| return signature; | ||
| } | ||
|
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| @Override | ||
| public String getName() | ||
| { | ||
| return signature.getName().toString(); | ||
| } | ||
|
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| @Override | ||
| public FunctionKind getKind() | ||
| { | ||
| return signature.getKind(); | ||
| } | ||
|
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| @Override | ||
| public CatalogSchemaName getCatalogSchemaName() | ||
| { | ||
| return signature.getName().getCatalogSchemaName(); | ||
| } | ||
|
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| @Override | ||
| public boolean equals(Object o) | ||
| { | ||
| if (this == o) { | ||
| return true; | ||
| } | ||
| if (o == null || getClass() != o.getClass()) { | ||
| return false; | ||
| } | ||
| NativeFunctionHandle that = (NativeFunctionHandle) o; | ||
| return Objects.equals(signature, that.signature); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() | ||
| { | ||
| return Objects.hash(signature); | ||
| } | ||
|
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| @Override | ||
| public String toString() | ||
| { | ||
| return signature.toString(); | ||
| } | ||
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| private static void checkArgument(boolean condition, String message, Object... args) | ||
| { | ||
| if (!condition) { | ||
| throw new IllegalArgumentException(String.format(message, args)); | ||
| } | ||
| } | ||
| } |
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