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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2022/01/25 16:30:56 UTC
[GitHub] [shardingsphere] yx9o opened a new pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
yx9o opened a new pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069
For #14807, add `EXPORT SCHEMA CONFIGURATION` syntax to DistSQL.
Changes proposed in this pull request:
Add `EXPORT SCHEMA CONFIGURATION` syntax.
Add unit test.
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[GitHub] [shardingsphere] RaigorJiang merged pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang merged pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793210134
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
+ if (!sqlStatement.getFilePath().isPresent()) {
+ return new MultipleLocalDataMergedResult(Collections.singleton(Collections.singletonList(result.toString())));
+ }
+
+ File outFile = new File(sqlStatement.getFilePath().get());
+ try (FileOutputStream stream = new FileOutputStream(outFile)) {
+ stream.write(result.toString().getBytes());
+ stream.flush();
+ } catch (final IOException ex) {
+ throw new ShardingSphereException(ex);
+ }
+ return null;
+ }
+
+ private void getDataSourcesConfig(final ShardingSphereMetaData metaData, final StringBuilder result) {
+ if (null == metaData.getResource().getDataSources() || metaData.getResource().getDataSources().isEmpty()) {
+ return;
+ }
+ result.append(NEWLINE).append("dataSources").append(COLON_NEWLINE);
+ for (Map.Entry<String, DataSource> each : metaData.getResource().getDataSources().entrySet()) {
+ HikariDataSource dataSource = (HikariDataSource) each.getValue();
Review comment:
Please use the DataSourcePropertiesCreator.create method to obtain the data source properties. It is not a good idea to cast it to HikariDataSource. It can be adjusted in the next PR.
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[GitHub] [shardingsphere] yx9o commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r792300628
##########
File path: shardingsphere-distsql/shardingsphere-distsql-parser/src/main/antlr4/imports/RALStatement.g4
##########
@@ -87,6 +87,14 @@ dropTrafficRule
: DROP TRAFFIC RULE ifExists? ruleName (COMMA ruleName)*
;
+exportSchema
Review comment:
> exportSchemaConfiguration or exportSchemaConfig may better.
OK, use exportSchemaConfig.
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[GitHub] [shardingsphere] codecov-commenter commented on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1023000474
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Lines 47237 47495 +258
Branches 8035 8087 +52
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793226176
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
Review comment:
Sure.
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[GitHub] [shardingsphere] yx9o commented on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1023846860
> > Hi @RaigorJiang , I tried the way of Yaml.dump, but the result is not very satisfactory, mainly have the following two points:
> >
> > * Direct transfer to Configuration will have empty properties, such as: `hint: null`.
> > * Only convert non-empty attributes, the code structure is not very good when constructing the Map structure.
>
> Representer can be used to fix the 'null' problem.
OK，I will investigate.
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r792293086
##########
File path: shardingsphere-distsql/shardingsphere-distsql-parser/src/main/antlr4/imports/RALStatement.g4
##########
@@ -87,6 +87,14 @@ dropTrafficRule
: DROP TRAFFIC RULE ifExists? ruleName (COMMA ruleName)*
;
+exportSchema
Review comment:
exportSchemaConfiguration or exportSchemaConfig may better.
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[GitHub] [shardingsphere] RaigorJiang commented on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1023825007
> Hi @RaigorJiang , I tried the way of Yaml.dump, but the result is not very satisfactory, mainly have the following two points:
>
> * Direct transfer to Configuration will have empty properties, such as: `hint: null`.
> * Only convert non-empty attributes, the code structure is not very good when constructing the Map structure.
Representer can be used to fix the 'null' problem.
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r792293983
##########
File path: shardingsphere-distsql/shardingsphere-distsql-parser/src/main/antlr4/imports/RALStatement.g4
##########
@@ -87,6 +87,14 @@ dropTrafficRule
: DROP TRAFFIC RULE ifExists? ruleName (COMMA ruleName)*
;
+exportSchema
+ : EXPORT SCHEMA (CONFIGURATION | CONFIG) (FROM schemaName)? (COMMA FILE EQ filePath)?
+ ;
+
+filePath
+ : IDENTIFIER
Review comment:
IDENTIFIER may not be suitable, as path, quotes are required, otherwise: `d:\asd` can be parsed successfully, but the result is only "d".
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793207845
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
Review comment:
Sorry, I only see the code to export the sharding rule, won't other rules be exported?
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[GitHub] [shardingsphere] RaigorJiang commented on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1024065302
@yx9o Good job!
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[GitHub] [shardingsphere] yx9o commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r792300628
##########
File path: shardingsphere-distsql/shardingsphere-distsql-parser/src/main/antlr4/imports/RALStatement.g4
##########
@@ -87,6 +87,14 @@ dropTrafficRule
: DROP TRAFFIC RULE ifExists? ruleName (COMMA ruleName)*
;
+exportSchema
Review comment:
> exportSchemaConfiguration or exportSchemaConfig may better.
OK, use exportSchemaConfiguration.
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[GitHub] [shardingsphere] yx9o commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r792503946
##########
File path: shardingsphere-distsql/shardingsphere-distsql-parser/src/main/antlr4/imports/RALStatement.g4
##########
@@ -87,6 +87,14 @@ dropTrafficRule
: DROP TRAFFIC RULE ifExists? ruleName (COMMA ruleName)*
;
+exportSchema
+ : EXPORT SCHEMA (CONFIGURATION | CONFIG) (FROM schemaName)? (COMMA FILE EQ filePath)?
+ ;
+
+filePath
+ : IDENTIFIER
Review comment:
Done, please review, thank you.
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[GitHub] [shardingsphere] yx9o commented on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1023110691
Hi @RaigorJiang , I tried the way of Yaml.dump, but the result is not very satisfactory, mainly have the following two points:
- Direct transfer to Configuration will have empty properties, such as: `hint: null`.
- Only convert non-empty attributes, the code structure is not very good when constructing the Map structure.
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793211313
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
+ if (!sqlStatement.getFilePath().isPresent()) {
+ return new MultipleLocalDataMergedResult(Collections.singleton(Collections.singletonList(result.toString())));
+ }
+
+ File outFile = new File(sqlStatement.getFilePath().get());
+ try (FileOutputStream stream = new FileOutputStream(outFile)) {
+ stream.write(result.toString().getBytes());
+ stream.flush();
+ } catch (final IOException ex) {
+ throw new ShardingSphereException(ex);
+ }
+ return null;
+ }
+
+ private void getDataSourcesConfig(final ShardingSphereMetaData metaData, final StringBuilder result) {
+ if (null == metaData.getResource().getDataSources() || metaData.getResource().getDataSources().isEmpty()) {
+ return;
+ }
+ result.append(NEWLINE).append("dataSources").append(COLON_NEWLINE);
+ for (Map.Entry<String, DataSource> each : metaData.getResource().getDataSources().entrySet()) {
+ HikariDataSource dataSource = (HikariDataSource) each.getValue();
+ result.append(INDENT).append(each.getKey()).append(COLON_NEWLINE);
+ result.append(indent(2)).append("url").append(COLON_SPACE).append(dataSource.getJdbcUrl()).append(NEWLINE);
+ result.append(indent(2)).append("username").append(COLON_SPACE).append(dataSource.getUsername()).append(NEWLINE);
+ result.append(indent(2)).append("password").append(COLON_SPACE).append(dataSource.getPassword()).append(NEWLINE);
+ result.append(indent(2)).append("connectionTimeoutMilliseconds").append(COLON_SPACE).append(dataSource.getConnectionTimeout()).append(NEWLINE);
+ result.append(indent(2)).append("idleTimeoutMilliseconds").append(COLON_SPACE).append(dataSource.getIdleTimeout()).append(NEWLINE);
+ result.append(indent(2)).append("maxLifetimeMilliseconds").append(COLON_SPACE).append(dataSource.getMaxLifetime()).append(NEWLINE);
+ result.append(indent(2)).append("maxPoolSize").append(COLON_SPACE).append(dataSource.getMaximumPoolSize()).append(NEWLINE);
+ result.append(indent(2)).append("minPoolSize").append(COLON_SPACE).append(dataSource.getMinimumIdle()).append(NEWLINE);
+ }
+ }
+
+ private void getRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ result.append(NEWLINE).append("rules").append(COLON_NEWLINE);
+ result.append("- !SHARDING").append(NEWLINE);
+ getTablesConfig(ruleConfig, result);
+ getBindingTablesConfig(ruleConfig, result);
+ getDefaultDatabaseStrategyConfig(ruleConfig, result);
+ getDefaultTableStrategyConfig(ruleConfig, result);
+ getShardingAlgorithmsConfig(ruleConfig, result);
+ getKeyGeneratorsConfig(ruleConfig, result);
+ getScalingConfig(ruleConfig, result);
+ }
+
+ private void getTablesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getTables().isEmpty() || ruleConfig.getAutoTables().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("tables").append(COLON_NEWLINE);
+ getTableRulesConfig(ruleConfig, result);
+ getAutoTableRulesConfig(ruleConfig, result);
+ }
+
+ private void getTableRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ for (ShardingTableRuleConfiguration each : ruleConfig.getTables()) {
+ getTableRulesItemConfig(each.getLogicTable(), each.getActualDataNodes(), each.getTableShardingStrategy(), each.getKeyGenerateStrategy(), result);
+ }
+ }
+
+ private void getAutoTableRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ for (ShardingAutoTableRuleConfiguration each : ruleConfig.getAutoTables()) {
+ getTableRulesItemConfig(each.getLogicTable(), each.getActualDataSources(), each.getShardingStrategy(), each.getKeyGenerateStrategy(), result);
+ }
+ }
+
+ private void getTableRulesItemConfig(final String logicTable, final String actualDataNodes, final ShardingStrategyConfiguration tableShardingStrategy,
+ final KeyGenerateStrategyConfiguration keyGenerateStrategy, final StringBuilder result) {
+ result.append(indent(2)).append(logicTable).append(COLON_NEWLINE);
+ result.append(indent(3)).append("actualDataNodes").append(COLON_SPACE).append(actualDataNodes).append(NEWLINE);
+ result.append(indent(3)).append("tableStrategy").append(COLON_NEWLINE);
+ String algorithmName = "";
+ String shardingColumn = "";
+ String shardingAlgorithmName = "";
+ if (tableShardingStrategy instanceof StandardShardingStrategyConfiguration) {
+ StandardShardingStrategyConfiguration strategyConfig = (StandardShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "standard";
+ shardingColumn = strategyConfig.getShardingColumn();
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof ComplexShardingStrategyConfiguration) {
+ ComplexShardingStrategyConfiguration strategyConfig = (ComplexShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "complex";
+ shardingColumn = strategyConfig.getShardingColumns();
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof HintShardingStrategyConfiguration) {
+ HintShardingStrategyConfiguration strategyConfig = (HintShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "hint";
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof NoneShardingStrategyConfiguration) {
+ algorithmName = "none";
+ }
+ if (!Strings.isNullOrEmpty(algorithmName)) {
+ result.append(indent(4)).append(algorithmName).append(COLON_NEWLINE);
+ }
+ if (!Strings.isNullOrEmpty(shardingColumn)) {
+ result.append(indent(5)).append("shardingColumn").append(COLON_SPACE).append(shardingColumn).append(NEWLINE);
+ }
+ if (!Strings.isNullOrEmpty(shardingAlgorithmName)) {
+ result.append(indent(5)).append("shardingAlgorithmName").append(COLON_SPACE).append(shardingAlgorithmName).append(NEWLINE);
+ }
+ if (null == keyGenerateStrategy) {
+ return;
+ }
+ result.append(indent(3)).append("keyGenerateStrategy").append(COLON_NEWLINE);
+ result.append(indent(4)).append("column").append(COLON_SPACE).append(keyGenerateStrategy.getColumn()).append(NEWLINE);
+ result.append(indent(4)).append("keyGeneratorName").append(COLON_SPACE).append(keyGenerateStrategy.getKeyGeneratorName()).append(NEWLINE);
+ }
+
+ private void getBindingTablesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getBindingTableGroups().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("bindingTables").append(COLON_NEWLINE);
+ result.append(indent(2)).append("-").append(SPACE).append(String.join(",", ruleConfig.getBindingTableGroups())).append(NEWLINE);
+ }
+
+ private void getDefaultDatabaseStrategyConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (null == ruleConfig.getDefaultDatabaseShardingStrategy()) {
+ return;
+ }
+ result.append(INDENT).append("defaultDatabaseStrategy").append(COLON_NEWLINE);
+ getCommonDefaultStrategyConfig(ruleConfig.getDefaultDatabaseShardingStrategy(), result);
+ }
+
+ private void getDefaultTableStrategyConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (null == ruleConfig.getDefaultTableShardingStrategy()) {
+ return;
+ }
+ result.append(INDENT).append("defaultTableStrategy").append(COLON_NEWLINE);
+ getCommonDefaultStrategyConfig(ruleConfig.getDefaultTableShardingStrategy(), result);
+ }
+
+ private void getShardingAlgorithmsConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getShardingAlgorithms().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("shardingAlgorithms").append(COLON_NEWLINE);
+ getAlgorithmConfig(ruleConfig.getShardingAlgorithms(), result);
+ }
+
+ private void getKeyGeneratorsConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getKeyGenerators().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("keyGenerators").append(COLON_NEWLINE);
+ getAlgorithmConfig(ruleConfig.getKeyGenerators(), result);
+ }
+
+ private void getScalingConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (Strings.isNullOrEmpty(ruleConfig.getScalingName())) {
+ return;
+ }
+ result.append(INDENT).append("scalingName").append(COLON_SPACE).append(ruleConfig.getScalingName()).append(NEWLINE);
+ if (ruleConfig.getScaling().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("scaling").append(COLON_NEWLINE);
+ for (Map.Entry<String, OnRuleAlteredActionConfiguration> each : ruleConfig.getScaling().entrySet()) {
+ OnRuleAlteredActionConfiguration current = each.getValue();
+ result.append(indent(2)).append(each.getKey()).append(COLON_NEWLINE);
+ if (null != current) {
+ getScalingInputOrOutputConfig("input", current.getInput().getWorkerThread(), current.getInput().getBatchSize(), current.getInput().getRateLimiter(), result);
+ getScalingInputOrOutputConfig("output", current.getOutput().getWorkerThread(), current.getOutput().getBatchSize(), current.getOutput().getRateLimiter(), result);
+ getCommonScalingItemConfig("streamChannel", current.getStreamChannel(), result);
+ getCommonScalingItemConfig("completionDetector", current.getCompletionDetector(), result);
+ getCommonScalingItemConfig("dataConsistencyChecker", current.getDataConsistencyChecker(), result);
+ }
+ }
+ }
+
+ private void getScalingInputOrOutputConfig(final String itemName, final int workerThread, final int batchSize,
+ final ShardingSphereAlgorithmConfiguration rateLimiterConfig, final StringBuilder result) {
+ result.append(indent(3)).append(itemName).append(COLON_NEWLINE);
+ result.append(indent(4)).append("workerThread").append(COLON_SPACE).append(workerThread).append(NEWLINE);
+ result.append(indent(4)).append("batchSize").append(COLON_SPACE).append(batchSize).append(NEWLINE);
+ result.append(indent(4)).append("rateLimiter").append(COLON_NEWLINE);
+ result.append(indent(5)).append("type").append(COLON_SPACE).append(rateLimiterConfig.getType()).append(NEWLINE);
+ if (null != rateLimiterConfig.getProps() && !rateLimiterConfig.getProps().isEmpty()) {
+ result.append(indent(5)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each : rateLimiterConfig.getProps().entrySet()) {
+ result.append(indent(6)).append(each.getKey()).append(COLON_SPACE).append(each.getValue()).append(NEWLINE);
+ }
+ }
+ }
+
+ private void getCommonScalingItemConfig(final String itemName, final ShardingSphereAlgorithmConfiguration itemConfig, final StringBuilder result) {
+ result.append(indent(3)).append(itemName).append(COLON_NEWLINE);
+ result.append(indent(4)).append("type").append(COLON_SPACE).append(itemConfig.getType()).append(NEWLINE);
+ if (null != itemConfig.getProps() && !itemConfig.getProps().isEmpty()) {
+ result.append(indent(4)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each : itemConfig.getProps().entrySet()) {
+ result.append(indent(5)).append(each.getKey()).append(COLON_SPACE).append(each.getValue()).append(NEWLINE);
+ }
+ }
+ }
+
+ private void getAlgorithmConfig(final Map<String, ShardingSphereAlgorithmConfiguration> algorithmMap, final StringBuilder result) {
+ for (Map.Entry<String, ShardingSphereAlgorithmConfiguration> each : algorithmMap.entrySet()) {
+ result.append(indent(2)).append(each.getKey()).append(COLON_NEWLINE);
+ result.append(indent(3)).append("type").append(COLON_SPACE).append(each.getValue().getType()).append(NEWLINE);
+ if (null != each.getValue().getProps() && !each.getValue().getProps().isEmpty()) {
+ result.append(indent(3)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each1 : each.getValue().getProps().entrySet()) {
+ result.append(indent(4)).append(each1.getKey()).append(COLON_SPACE).append(each1.getValue()).append(NEWLINE);
+ }
+ }
+ }
+ }
+
+ private void getCommonDefaultStrategyConfig(final ShardingStrategyConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig instanceof StandardShardingStrategyConfiguration) {
+ StandardShardingStrategyConfiguration strategyConfig = (StandardShardingStrategyConfiguration) ruleConfig;
+ result.append(indent(2)).append("standard").append(COLON_NEWLINE);
+ result.append(indent(3)).append("shardingColumn").append(COLON_SPACE).append(strategyConfig.getShardingColumn()).append(NEWLINE);
+ result.append(indent(3)).append("shardingAlgorithmName").append(COLON_SPACE).append(strategyConfig.getShardingAlgorithmName()).append(NEWLINE);
+ } else if (ruleConfig instanceof ComplexShardingStrategyConfiguration) {
+ ComplexShardingStrategyConfiguration strategyConfig = (ComplexShardingStrategyConfiguration) ruleConfig;
+ result.append(indent(2)).append("complex").append(COLON_NEWLINE);
+ result.append(indent(3)).append("shardingColumn").append(COLON_SPACE).append(strategyConfig.getShardingColumns()).append(NEWLINE);
Review comment:
Please alse define these magic numbers as variables.
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[GitHub] [shardingsphere] RaigorJiang commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
RaigorJiang commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793210919
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
+ if (!sqlStatement.getFilePath().isPresent()) {
+ return new MultipleLocalDataMergedResult(Collections.singleton(Collections.singletonList(result.toString())));
+ }
+
+ File outFile = new File(sqlStatement.getFilePath().get());
+ try (FileOutputStream stream = new FileOutputStream(outFile)) {
+ stream.write(result.toString().getBytes());
+ stream.flush();
+ } catch (final IOException ex) {
+ throw new ShardingSphereException(ex);
+ }
+ return null;
+ }
+
+ private void getDataSourcesConfig(final ShardingSphereMetaData metaData, final StringBuilder result) {
+ if (null == metaData.getResource().getDataSources() || metaData.getResource().getDataSources().isEmpty()) {
+ return;
+ }
+ result.append(NEWLINE).append("dataSources").append(COLON_NEWLINE);
+ for (Map.Entry<String, DataSource> each : metaData.getResource().getDataSources().entrySet()) {
+ HikariDataSource dataSource = (HikariDataSource) each.getValue();
+ result.append(INDENT).append(each.getKey()).append(COLON_NEWLINE);
+ result.append(indent(2)).append("url").append(COLON_SPACE).append(dataSource.getJdbcUrl()).append(NEWLINE);
+ result.append(indent(2)).append("username").append(COLON_SPACE).append(dataSource.getUsername()).append(NEWLINE);
+ result.append(indent(2)).append("password").append(COLON_SPACE).append(dataSource.getPassword()).append(NEWLINE);
+ result.append(indent(2)).append("connectionTimeoutMilliseconds").append(COLON_SPACE).append(dataSource.getConnectionTimeout()).append(NEWLINE);
+ result.append(indent(2)).append("idleTimeoutMilliseconds").append(COLON_SPACE).append(dataSource.getIdleTimeout()).append(NEWLINE);
+ result.append(indent(2)).append("maxLifetimeMilliseconds").append(COLON_SPACE).append(dataSource.getMaxLifetime()).append(NEWLINE);
+ result.append(indent(2)).append("maxPoolSize").append(COLON_SPACE).append(dataSource.getMaximumPoolSize()).append(NEWLINE);
+ result.append(indent(2)).append("minPoolSize").append(COLON_SPACE).append(dataSource.getMinimumIdle()).append(NEWLINE);
+ }
+ }
+
+ private void getRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ result.append(NEWLINE).append("rules").append(COLON_NEWLINE);
+ result.append("- !SHARDING").append(NEWLINE);
+ getTablesConfig(ruleConfig, result);
+ getBindingTablesConfig(ruleConfig, result);
+ getDefaultDatabaseStrategyConfig(ruleConfig, result);
+ getDefaultTableStrategyConfig(ruleConfig, result);
+ getShardingAlgorithmsConfig(ruleConfig, result);
+ getKeyGeneratorsConfig(ruleConfig, result);
+ getScalingConfig(ruleConfig, result);
+ }
+
+ private void getTablesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getTables().isEmpty() || ruleConfig.getAutoTables().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("tables").append(COLON_NEWLINE);
+ getTableRulesConfig(ruleConfig, result);
+ getAutoTableRulesConfig(ruleConfig, result);
+ }
+
+ private void getTableRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ for (ShardingTableRuleConfiguration each : ruleConfig.getTables()) {
+ getTableRulesItemConfig(each.getLogicTable(), each.getActualDataNodes(), each.getTableShardingStrategy(), each.getKeyGenerateStrategy(), result);
+ }
+ }
+
+ private void getAutoTableRulesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ for (ShardingAutoTableRuleConfiguration each : ruleConfig.getAutoTables()) {
+ getTableRulesItemConfig(each.getLogicTable(), each.getActualDataSources(), each.getShardingStrategy(), each.getKeyGenerateStrategy(), result);
+ }
+ }
+
+ private void getTableRulesItemConfig(final String logicTable, final String actualDataNodes, final ShardingStrategyConfiguration tableShardingStrategy,
+ final KeyGenerateStrategyConfiguration keyGenerateStrategy, final StringBuilder result) {
+ result.append(indent(2)).append(logicTable).append(COLON_NEWLINE);
+ result.append(indent(3)).append("actualDataNodes").append(COLON_SPACE).append(actualDataNodes).append(NEWLINE);
+ result.append(indent(3)).append("tableStrategy").append(COLON_NEWLINE);
+ String algorithmName = "";
+ String shardingColumn = "";
+ String shardingAlgorithmName = "";
+ if (tableShardingStrategy instanceof StandardShardingStrategyConfiguration) {
+ StandardShardingStrategyConfiguration strategyConfig = (StandardShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "standard";
+ shardingColumn = strategyConfig.getShardingColumn();
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof ComplexShardingStrategyConfiguration) {
+ ComplexShardingStrategyConfiguration strategyConfig = (ComplexShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "complex";
+ shardingColumn = strategyConfig.getShardingColumns();
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof HintShardingStrategyConfiguration) {
+ HintShardingStrategyConfiguration strategyConfig = (HintShardingStrategyConfiguration) tableShardingStrategy;
+ algorithmName = "hint";
+ shardingAlgorithmName = strategyConfig.getShardingAlgorithmName();
+ } else if (tableShardingStrategy instanceof NoneShardingStrategyConfiguration) {
+ algorithmName = "none";
+ }
+ if (!Strings.isNullOrEmpty(algorithmName)) {
+ result.append(indent(4)).append(algorithmName).append(COLON_NEWLINE);
+ }
+ if (!Strings.isNullOrEmpty(shardingColumn)) {
+ result.append(indent(5)).append("shardingColumn").append(COLON_SPACE).append(shardingColumn).append(NEWLINE);
+ }
+ if (!Strings.isNullOrEmpty(shardingAlgorithmName)) {
+ result.append(indent(5)).append("shardingAlgorithmName").append(COLON_SPACE).append(shardingAlgorithmName).append(NEWLINE);
+ }
+ if (null == keyGenerateStrategy) {
+ return;
+ }
+ result.append(indent(3)).append("keyGenerateStrategy").append(COLON_NEWLINE);
+ result.append(indent(4)).append("column").append(COLON_SPACE).append(keyGenerateStrategy.getColumn()).append(NEWLINE);
+ result.append(indent(4)).append("keyGeneratorName").append(COLON_SPACE).append(keyGenerateStrategy.getKeyGeneratorName()).append(NEWLINE);
+ }
+
+ private void getBindingTablesConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getBindingTableGroups().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("bindingTables").append(COLON_NEWLINE);
+ result.append(indent(2)).append("-").append(SPACE).append(String.join(",", ruleConfig.getBindingTableGroups())).append(NEWLINE);
+ }
+
+ private void getDefaultDatabaseStrategyConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (null == ruleConfig.getDefaultDatabaseShardingStrategy()) {
+ return;
+ }
+ result.append(INDENT).append("defaultDatabaseStrategy").append(COLON_NEWLINE);
+ getCommonDefaultStrategyConfig(ruleConfig.getDefaultDatabaseShardingStrategy(), result);
+ }
+
+ private void getDefaultTableStrategyConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (null == ruleConfig.getDefaultTableShardingStrategy()) {
+ return;
+ }
+ result.append(INDENT).append("defaultTableStrategy").append(COLON_NEWLINE);
+ getCommonDefaultStrategyConfig(ruleConfig.getDefaultTableShardingStrategy(), result);
+ }
+
+ private void getShardingAlgorithmsConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getShardingAlgorithms().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("shardingAlgorithms").append(COLON_NEWLINE);
+ getAlgorithmConfig(ruleConfig.getShardingAlgorithms(), result);
+ }
+
+ private void getKeyGeneratorsConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig.getKeyGenerators().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("keyGenerators").append(COLON_NEWLINE);
+ getAlgorithmConfig(ruleConfig.getKeyGenerators(), result);
+ }
+
+ private void getScalingConfig(final ShardingRuleConfiguration ruleConfig, final StringBuilder result) {
+ if (Strings.isNullOrEmpty(ruleConfig.getScalingName())) {
+ return;
+ }
+ result.append(INDENT).append("scalingName").append(COLON_SPACE).append(ruleConfig.getScalingName()).append(NEWLINE);
+ if (ruleConfig.getScaling().isEmpty()) {
+ return;
+ }
+ result.append(INDENT).append("scaling").append(COLON_NEWLINE);
+ for (Map.Entry<String, OnRuleAlteredActionConfiguration> each : ruleConfig.getScaling().entrySet()) {
+ OnRuleAlteredActionConfiguration current = each.getValue();
+ result.append(indent(2)).append(each.getKey()).append(COLON_NEWLINE);
+ if (null != current) {
+ getScalingInputOrOutputConfig("input", current.getInput().getWorkerThread(), current.getInput().getBatchSize(), current.getInput().getRateLimiter(), result);
+ getScalingInputOrOutputConfig("output", current.getOutput().getWorkerThread(), current.getOutput().getBatchSize(), current.getOutput().getRateLimiter(), result);
+ getCommonScalingItemConfig("streamChannel", current.getStreamChannel(), result);
+ getCommonScalingItemConfig("completionDetector", current.getCompletionDetector(), result);
+ getCommonScalingItemConfig("dataConsistencyChecker", current.getDataConsistencyChecker(), result);
+ }
+ }
+ }
+
+ private void getScalingInputOrOutputConfig(final String itemName, final int workerThread, final int batchSize,
+ final ShardingSphereAlgorithmConfiguration rateLimiterConfig, final StringBuilder result) {
+ result.append(indent(3)).append(itemName).append(COLON_NEWLINE);
+ result.append(indent(4)).append("workerThread").append(COLON_SPACE).append(workerThread).append(NEWLINE);
+ result.append(indent(4)).append("batchSize").append(COLON_SPACE).append(batchSize).append(NEWLINE);
+ result.append(indent(4)).append("rateLimiter").append(COLON_NEWLINE);
+ result.append(indent(5)).append("type").append(COLON_SPACE).append(rateLimiterConfig.getType()).append(NEWLINE);
+ if (null != rateLimiterConfig.getProps() && !rateLimiterConfig.getProps().isEmpty()) {
+ result.append(indent(5)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each : rateLimiterConfig.getProps().entrySet()) {
+ result.append(indent(6)).append(each.getKey()).append(COLON_SPACE).append(each.getValue()).append(NEWLINE);
+ }
+ }
+ }
+
+ private void getCommonScalingItemConfig(final String itemName, final ShardingSphereAlgorithmConfiguration itemConfig, final StringBuilder result) {
+ result.append(indent(3)).append(itemName).append(COLON_NEWLINE);
+ result.append(indent(4)).append("type").append(COLON_SPACE).append(itemConfig.getType()).append(NEWLINE);
+ if (null != itemConfig.getProps() && !itemConfig.getProps().isEmpty()) {
+ result.append(indent(4)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each : itemConfig.getProps().entrySet()) {
+ result.append(indent(5)).append(each.getKey()).append(COLON_SPACE).append(each.getValue()).append(NEWLINE);
+ }
+ }
+ }
+
+ private void getAlgorithmConfig(final Map<String, ShardingSphereAlgorithmConfiguration> algorithmMap, final StringBuilder result) {
+ for (Map.Entry<String, ShardingSphereAlgorithmConfiguration> each : algorithmMap.entrySet()) {
+ result.append(indent(2)).append(each.getKey()).append(COLON_NEWLINE);
+ result.append(indent(3)).append("type").append(COLON_SPACE).append(each.getValue().getType()).append(NEWLINE);
+ if (null != each.getValue().getProps() && !each.getValue().getProps().isEmpty()) {
+ result.append(indent(3)).append("props").append(COLON_NEWLINE);
+ for (Map.Entry<Object, Object> each1 : each.getValue().getProps().entrySet()) {
+ result.append(indent(4)).append(each1.getKey()).append(COLON_SPACE).append(each1.getValue()).append(NEWLINE);
+ }
+ }
+ }
+ }
+
+ private void getCommonDefaultStrategyConfig(final ShardingStrategyConfiguration ruleConfig, final StringBuilder result) {
+ if (ruleConfig instanceof StandardShardingStrategyConfiguration) {
+ StandardShardingStrategyConfiguration strategyConfig = (StandardShardingStrategyConfiguration) ruleConfig;
+ result.append(indent(2)).append("standard").append(COLON_NEWLINE);
+ result.append(indent(3)).append("shardingColumn").append(COLON_SPACE).append(strategyConfig.getShardingColumn()).append(NEWLINE);
+ result.append(indent(3)).append("shardingAlgorithmName").append(COLON_SPACE).append(strategyConfig.getShardingAlgorithmName()).append(NEWLINE);
Review comment:
It would be better to declare these strings as global variables. (standard, shardingColumn, shardingAlgorithmName, '-', ...)
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[GitHub] [shardingsphere] yx9o commented on a change in pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
yx9o commented on a change in pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#discussion_r793212265
##########
File path: shardingsphere-proxy/shardingsphere-proxy-backend/src/main/java/org/apache/shardingsphere/proxy/backend/text/distsql/ral/common/show/executor/ExportSchemaConfigurationExecutor.java
##########
@@ -0,0 +1,348 @@
+/*
+ * 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.proxy.backend.text.distsql.ral.common.show.executor;
+
+import com.google.common.base.Strings;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.RequiredArgsConstructor;
+import org.apache.shardingsphere.distsql.parser.statement.ral.common.ExportSchemaConfigurationStatement;
+import org.apache.shardingsphere.infra.config.algorithm.ShardingSphereAlgorithmConfiguration;
+import org.apache.shardingsphere.infra.config.rulealtered.OnRuleAlteredActionConfiguration;
+import org.apache.shardingsphere.infra.exception.SchemaNotExistedException;
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.apache.shardingsphere.infra.merge.result.MergedResult;
+import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
+import org.apache.shardingsphere.proxy.backend.context.ProxyContext;
+import org.apache.shardingsphere.proxy.backend.exception.NoDatabaseSelectedException;
+import org.apache.shardingsphere.proxy.backend.response.header.query.impl.QueryHeader;
+import org.apache.shardingsphere.proxy.backend.session.ConnectionSession;
+import org.apache.shardingsphere.sharding.api.config.ShardingRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingAutoTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.rule.ShardingTableRuleConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.keygen.KeyGenerateStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ComplexShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.HintShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.NoneShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.ShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.api.config.strategy.sharding.StandardShardingStrategyConfiguration;
+import org.apache.shardingsphere.sharding.merge.dal.common.MultipleLocalDataMergedResult;
+
+import javax.sql.DataSource;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.sql.Types;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+/**
+ * Export schema configuration executor.
+ */
+@RequiredArgsConstructor
+public final class ExportSchemaConfigurationExecutor extends AbstractShowExecutor {
+
+ private static final String CONFIG = "config";
+
+ private static final String COLON = ":";
+
+ private static final String SPACE = " ";
+
+ private static final String NEWLINE = "\n";
+
+ private static final String COLON_SPACE = COLON + SPACE;
+
+ private static final String COLON_NEWLINE = COLON + NEWLINE;
+
+ private static final String INDENT = SPACE + SPACE;
+
+ private final ExportSchemaConfigurationStatement sqlStatement;
+
+ private final ConnectionSession connectionSession;
+
+ @Override
+ protected List<QueryHeader> createQueryHeaders() {
+ return Arrays.asList(new QueryHeader("", "", CONFIG, CONFIG, Types.VARCHAR, "VARCHAR", 128, 0, false, false, false, false));
+ }
+
+ @Override
+ protected MergedResult createMergedResult() {
+ String schemaName = getSchemaName();
+ ShardingSphereMetaData metaData = ProxyContext.getInstance().getMetaData(schemaName);
+ StringBuilder result = new StringBuilder();
+ result.append("schemaName").append(COLON_SPACE).append(schemaName).append(NEWLINE);
+ getDataSourcesConfig(metaData, result);
+ Optional<ShardingRuleConfiguration> ruleConfig = metaData.getRuleMetaData().getConfigurations()
+ .stream().filter(each -> each instanceof ShardingRuleConfiguration).map(each -> (ShardingRuleConfiguration) each).findAny();
+ ruleConfig.ifPresent(rule -> getRulesConfig(rule, result));
Review comment:
> Sorry, I only see the code to export the sharding rule, won't other rules be exported?
Yes, can I continue to do it in a follow-up pr.
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[GitHub] [shardingsphere] codecov-commenter edited a comment on pull request #15069: Add EXPORT SCHEMA CONFIGURATION syntax to DistSQL.
Posted by GitBox <gi...@apache.org>.
codecov-commenter edited a comment on pull request #15069:
URL: https://github.com/apache/shardingsphere/pull/15069#issuecomment-1023000474
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@@ Coverage Diff @@
## master #15069 +/- ##
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- Complexity 1922 1925 +3
============================================
Files 3165 3168 +3
Lines 47324 47508 +184
Branches 8051 8092 +41
============================================
+ Hits 28340 28435 +95
- Misses 16697 16757 +60
- Partials 2287 2316 +29
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