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[GitHub] [shardingsphere] strongduanmu opened a new pull request #10305: support postgresql prepare, execute, deallocate statement

strongduanmu opened a new pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305


   Fixes #10248.
   Ref #10089
   
   Changes proposed in this pull request:
   - support postgresql prepare, execute and deallocate statement
   - move postgresql select, update, delete and insert statement to PostgreSQLStatementSQLVisitor


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[GitHub] [shardingsphere] codecov-commenter commented on pull request #10305: support postgresql prepare, execute, deallocate statement

Posted by GitBox <gi...@apache.org>.
codecov-commenter commented on pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305#issuecomment-838101018


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   ##             master   #10305      +/-   ##
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     Lines         29190    29279      +89     
     Branches       5236     5253      +17     
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[GitHub] [shardingsphere] strongduanmu commented on a change in pull request #10305: support postgresql prepare, execute, deallocate statement

Posted by GitBox <gi...@apache.org>.
strongduanmu commented on a change in pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305#discussion_r630102260



##########
File path: shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLPrepareStatement.java
##########
@@ -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.
+ */
+
+package org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.DDLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.DeleteStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.InsertStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.UpdateStatement;
+import org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.PostgreSQLStatement;
+
+import java.util.Optional;
+
+/**
+ * PostgreSQL prepare statement.
+ */
+@ToString
+@Getter
+@Setter
+public final class PostgreSQLPrepareStatement extends AbstractSQLStatement implements DDLStatement, PostgreSQLStatement {
+    
+    private SelectStatement select;

Review comment:
       @tristaZero Yes, it looks better by this way, and i will optimize it next pr. 👍
   




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[GitHub] [shardingsphere] tristaZero merged pull request #10305: support postgresql prepare, execute, deallocate statement

Posted by GitBox <gi...@apache.org>.
tristaZero merged pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305


   


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[GitHub] [shardingsphere] tristaZero commented on a change in pull request #10305: support postgresql prepare, execute, deallocate statement

Posted by GitBox <gi...@apache.org>.
tristaZero commented on a change in pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305#discussion_r630096684



##########
File path: shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLPrepareStatement.java
##########
@@ -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.
+ */
+
+package org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.DDLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.DeleteStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.InsertStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.UpdateStatement;
+import org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.PostgreSQLStatement;
+
+import java.util.Optional;
+
+/**
+ * PostgreSQL prepare statement.
+ */
+@ToString
+@Getter
+@Setter
+public final class PostgreSQLPrepareStatement extends AbstractSQLStatement implements DDLStatement, PostgreSQLStatement {
+    
+    private SelectStatement select;

Review comment:
       Do you think it will be better if there is only one field, i.e., `private SQLStatement statement;`?
   Therefore, the following function will be,
   ```java
   public Optional<SelectStatement> getSelect() {
           return  SQLStatement instanceof `SelectStatement` ? Optional.ofNullable(select) : xxx;
       }
   ```
   Actually, I am unsure whether these functions will be used properly, since you still need to judge the `optional.isPresent()` for each of them, don't you?




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[GitHub] [shardingsphere] tristaZero commented on a change in pull request #10305: support postgresql prepare, execute, deallocate statement

Posted by GitBox <gi...@apache.org>.
tristaZero commented on a change in pull request #10305:
URL: https://github.com/apache/shardingsphere/pull/10305#discussion_r630096693



##########
File path: shardingsphere-sql-parser/shardingsphere-sql-parser-statement/src/main/java/org/apache/shardingsphere/sql/parser/sql/dialect/statement/postgresql/ddl/PostgreSQLPrepareStatement.java
##########
@@ -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.
+ */
+
+package org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.ddl;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.AbstractSQLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.DDLStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.DeleteStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.InsertStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement;
+import org.apache.shardingsphere.sql.parser.sql.common.statement.dml.UpdateStatement;
+import org.apache.shardingsphere.sql.parser.sql.dialect.statement.postgresql.PostgreSQLStatement;
+
+import java.util.Optional;
+
+/**
+ * PostgreSQL prepare statement.
+ */
+@ToString
+@Getter
+@Setter
+public final class PostgreSQLPrepareStatement extends AbstractSQLStatement implements DDLStatement, PostgreSQLStatement {
+    
+    private SelectStatement select;

Review comment:
       Do you think it will be better if there is only one field, i.e., `private SQLStatement statement;`?
   Therefore, the following function will be,
   ```java
   public Optional<SelectStatement> getSelect() {
           return  SQLStatement instanceof `SelectStatement` ? Optional.ofNullable(select) : xxx;
       }
   ```
   Actually, I am unsure whether these functions will be used properly since you still need to judge the `optional.isPresent()` for each of them, don't you?




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