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Move PartialSQLRouteExecutor logic to TablelessRouteEngine to handle …
…tableless sql route (#33820) * Move PartialSQLRouteExecutor logic to TablelessRouteEngine to handle tableless sql route * Remove useless spi file
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36 changes: 0 additions & 36 deletions
36
...e/src/main/java/org/apache/shardingsphere/infra/route/engine/SQLRouteExecutorDecider.java
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34 changes: 0 additions & 34 deletions
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...va/org/apache/shardingsphere/infra/route/engine/dialect/MySQLSQLRouteExecutorDecider.java
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50 changes: 50 additions & 0 deletions
50
...a/org/apache/shardingsphere/infra/route/engine/tableless/TablelessRouteEngineFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * 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.infra.route.engine.tableless; | ||
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| import lombok.AccessLevel; | ||
| import lombok.NoArgsConstructor; | ||
| import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext; | ||
| import org.apache.shardingsphere.infra.route.engine.tableless.type.broadcast.DataSourceBroadcastRouteEngine; | ||
| import org.apache.shardingsphere.infra.route.engine.tableless.type.ignore.IgnoreRouteEngine; | ||
| import org.apache.shardingsphere.infra.session.query.QueryContext; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.statement.SQLStatement; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowTableStatusStatement; | ||
| import org.apache.shardingsphere.sql.parser.statement.core.statement.dal.ShowTablesStatement; | ||
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| /** | ||
| * Tableless route engine factory. | ||
| */ | ||
| @NoArgsConstructor(access = AccessLevel.PRIVATE) | ||
| public final class TablelessRouteEngineFactory { | ||
|
|
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| /** | ||
| * Create new instance of route engine. | ||
| * | ||
| * @param queryContext query context | ||
| * @return created instance | ||
| */ | ||
| public static TablelessRouteEngine newInstance(final QueryContext queryContext) { | ||
| SQLStatementContext sqlStatementContext = queryContext.getSqlStatementContext(); | ||
| SQLStatement sqlStatement = sqlStatementContext.getSqlStatement(); | ||
| if (sqlStatement instanceof ShowTablesStatement || sqlStatement instanceof ShowTableStatusStatement) { | ||
| return new DataSourceBroadcastRouteEngine(); | ||
| } | ||
| return new IgnoreRouteEngine(); | ||
| } | ||
| } |
47 changes: 47 additions & 0 deletions
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...ava/org/apache/shardingsphere/infra/route/engine/tableless/router/TablelessSQLRouter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* | ||
| * 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.infra.route.engine.tableless.router; | ||
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| import org.apache.shardingsphere.infra.binder.context.extractor.SQLStatementContextExtractor; | ||
| import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase; | ||
| import org.apache.shardingsphere.infra.metadata.database.rule.RuleMetaData; | ||
| import org.apache.shardingsphere.infra.route.context.RouteContext; | ||
| import org.apache.shardingsphere.infra.route.engine.tableless.TablelessRouteEngineFactory; | ||
| import org.apache.shardingsphere.infra.session.query.QueryContext; | ||
|
|
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| /** | ||
| * Tableless sql router. | ||
| */ | ||
| public final class TablelessSQLRouter { | ||
|
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| /** | ||
| * Route. | ||
| * | ||
| * @param queryContext query context | ||
| * @param globalRuleMetaData global rule meta data | ||
| * @param database sharding sphere database | ||
| * @param routeContext route context | ||
| * @return route context | ||
| */ | ||
| public RouteContext route(final QueryContext queryContext, final RuleMetaData globalRuleMetaData, final ShardingSphereDatabase database, final RouteContext routeContext) { | ||
| if (routeContext.getRouteUnits().isEmpty() && SQLStatementContextExtractor.getTableNames(database, queryContext.getSqlStatementContext()).isEmpty()) { | ||
| return TablelessRouteEngineFactory.newInstance(queryContext).route(globalRuleMetaData, database); | ||
| } | ||
| return routeContext; | ||
| } | ||
| } |
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