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Make info_schema connector transactional
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81 changes: 81 additions & 0 deletions
81
...a/com/facebook/presto/connector/informationSchema/InformationSchemaTransactionHandle.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * 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.connector.informationSchema; | ||
|
|
||
| import com.facebook.presto.spi.transaction.ConnectorTransactionHandle; | ||
| import com.facebook.presto.transaction.TransactionId; | ||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
|
|
||
| import java.util.Objects; | ||
|
|
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| import static com.google.common.base.MoreObjects.toStringHelper; | ||
| import static java.util.Objects.requireNonNull; | ||
|
|
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| public class InformationSchemaTransactionHandle | ||
| implements ConnectorTransactionHandle | ||
| { | ||
| private final String connectorId; | ||
| private final TransactionId transactionId; | ||
|
|
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| @JsonCreator | ||
| public InformationSchemaTransactionHandle( | ||
| @JsonProperty("connectorId") String connectorId, | ||
| @JsonProperty("transactionId") TransactionId transactionId) | ||
| { | ||
| this.connectorId = requireNonNull(connectorId, "connectorId is null"); | ||
| this.transactionId = requireNonNull(transactionId, "transactionId is null"); | ||
| } | ||
|
|
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| @JsonProperty | ||
| public String getConnectorId() | ||
| { | ||
| return connectorId; | ||
| } | ||
|
|
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| @JsonProperty | ||
| public TransactionId getTransactionId() | ||
| { | ||
| return transactionId; | ||
| } | ||
|
|
||
| @Override | ||
| public int hashCode() | ||
| { | ||
| return Objects.hash(connectorId, transactionId); | ||
| } | ||
|
|
||
| @Override | ||
| public boolean equals(Object obj) | ||
| { | ||
| if (this == obj) { | ||
| return true; | ||
| } | ||
| if (obj == null || getClass() != obj.getClass()) { | ||
| return false; | ||
| } | ||
| final InformationSchemaTransactionHandle other = (InformationSchemaTransactionHandle) obj; | ||
| return Objects.equals(this.connectorId, other.connectorId) && | ||
| Objects.equals(this.transactionId, other.transactionId); | ||
| } | ||
|
|
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| @Override | ||
| public String toString() | ||
| { | ||
| return toStringHelper(this) | ||
| .add("connectorId", connectorId) | ||
| .add("transactionId", transactionId) | ||
| .toString(); | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
...to-main/src/main/java/com/facebook/presto/transaction/InternalTransactionalConnector.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * 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.transaction; | ||
|
|
||
| import com.facebook.presto.spi.transaction.ConnectorTransactionHandle; | ||
| import com.facebook.presto.spi.transaction.IsolationLevel; | ||
| import com.facebook.presto.spi.transaction.TransactionalConnector; | ||
|
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| public interface InternalTransactionalConnector | ||
| extends TransactionalConnector | ||
| { | ||
| default ConnectorTransactionHandle beginTransaction(IsolationLevel isolationLevel, boolean readOnly) | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| ConnectorTransactionHandle beginTransaction(TransactionId transactionId, IsolationLevel isolationLevel, boolean readOnly); | ||
| } |
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