数据源fragment配置和查询fragment语法

dlink-admin/src/main/java/com/dlink/dto/APIExecuteSqlDTO.java

@@ -20,7 +20,7 @@ import java.util.Map;
  */
 @Getter
 @Setter
-public class APIExecuteSqlDTO extends AbstractStatementDTO{
+public class APIExecuteSqlDTO extends AbstractStatementDTO {
     // RUN_MODE
     private String type;
     private boolean useResult = false;
@@ -28,8 +28,6 @@ public class APIExecuteSqlDTO extends AbstractStatementDTO{
     private boolean useAutoCancel = false;
     private boolean useStatementSet = false;
     private String address;
-    private boolean fragment = false;
-//    private String statement;
     private String jobName;
     private Integer maxRowNum = 100;
     private Integer checkPoint = 0;
@@ -44,8 +42,8 @@ public class APIExecuteSqlDTO extends AbstractStatementDTO{
             savePointStrategy = 3;
         }
         return new JobConfig(
-                type, useResult,useChangeLog, useChangeLog, false, null, true, address, jobName,
-                fragment, useStatementSet, maxRowNum, checkPoint, parallelism, savePointStrategy,
+                type, useResult, useChangeLog, useChangeLog, false, null, true, address, jobName,
+                isFragment(), useStatementSet, maxRowNum, checkPoint, parallelism, savePointStrategy,
                 savePointPath, configuration, gatewayConfig);
     }
 }

dlink-admin/src/main/java/com/dlink/dto/APIExplainSqlDTO.java

@@ -17,14 +17,12 @@ import java.util.Map;
  */
 @Getter
 @Setter
-public class APIExplainSqlDTO extends AbstractStatementDTO{
+public class APIExplainSqlDTO extends AbstractStatementDTO {
     private boolean useStatementSet = false;
-    private boolean fragment = false;
-//    private String statement;
     private Integer parallelism;
     private Map<String, String> configuration;
 
     public JobConfig getJobConfig() {
-        return new JobConfig("local", false, false, fragment, useStatementSet, parallelism, configuration);
+        return new JobConfig("local", false, false, isFragment(), useStatementSet, parallelism, configuration);
     }
 }

dlink-admin/src/main/java/com/dlink/dto/AbstractStatementDTO.java

@@ -10,6 +10,8 @@ public class AbstractStatementDTO {
 
     private String statement;
     private Integer envId;
+    private boolean fragment = false;
+
 
     public String getStatement() {
         return statement;
@@ -26,4 +28,12 @@ public class AbstractStatementDTO {
     public void setEnvId(Integer envId) {
         this.envId = envId;
     }
+
+    public boolean isFragment() {
+        return fragment;
+    }
+
+    public void setFragment(boolean fragment) {
+        this.fragment = fragment;
+    }
 }

dlink-admin/src/main/java/com/dlink/dto/StudioExecuteDTO.java

@@ -19,7 +19,7 @@ import java.util.Map;
  */
 @Getter
 @Setter
-public class StudioExecuteDTO extends AbstractStatementDTO{
+public class StudioExecuteDTO extends AbstractStatementDTO {
     // RUN_MODE
     private String type;
     private String dialect;
@@ -34,7 +34,6 @@ public class StudioExecuteDTO extends AbstractStatementDTO{
     private Integer clusterConfigurationId;
     private Integer databaseId;
     private Integer jarId;
-    private boolean fragment;
     private String jobName;
     private Integer taskId;
     private Integer maxRowNum;
@@ -46,9 +45,9 @@ public class StudioExecuteDTO extends AbstractStatementDTO{
     private static final ObjectMapper mapper = new ObjectMapper();
 
     public JobConfig getJobConfig() {
-        Map<String,String> config = new HashMap<>();
+        Map<String, String> config = new HashMap<>();
         JsonNode paras = null;
-        if(Asserts.isNotNullString(configJson)) {
+        if (Asserts.isNotNullString(configJson)) {
             try {
                 paras = mapper.readTree(configJson);
             } catch (JsonProcessingException e) {
@@ -60,8 +59,8 @@ public class StudioExecuteDTO extends AbstractStatementDTO{
             );
         }
         return new JobConfig(
-                type,useResult,useChangeLog,useAutoCancel, useSession, session, clusterId,
-                clusterConfigurationId,jarId, taskId, jobName, fragment,statementSet,batchModel,
-                maxRowNum, checkPoint, parallelism,savePointStrategy, savePointPath,config);
+                type, useResult, useChangeLog, useAutoCancel, useSession, session, clusterId,
+                clusterConfigurationId, jarId, taskId, jobName, isFragment(), statementSet, batchModel,
+                maxRowNum, checkPoint, parallelism, savePointStrategy, savePointPath, config);
     }
 }

dlink-admin/src/main/java/com/dlink/service/impl/TaskServiceImpl.java

@@ -276,6 +276,12 @@ public class TaskServiceImpl extends SuperServiceImpl<TaskMapper, Task> implemen
 
     private JobConfig buildJobConfig(Task task) {
         boolean isJarTask = Dialect.FLINKJAR.equalsVal(task.getDialect());
+        if (!isJarTask && task.isFragment()) {
+            String flinkWithSql = dataBaseService.getEnabledFlinkWithSql();
+            if (Asserts.isNotNullString(flinkWithSql)) {
+                task.setStatement(flinkWithSql + "\r\n" + task.getStatement());
+            }
+        }
         if (!isJarTask && Asserts.isNotNull(task.getEnvId()) && task.getEnvId() != 0) {
             Task envTask = getTaskInfoById(task.getEnvId());
             if (Asserts.isNotNull(envTask) && Asserts.isNotNullString(envTask.getStatement())) {

dlink-core/src/test/java/com/dlink/core/SqlParserTest.java

@@ -78,4 +78,12 @@ public class SqlParserTest {
         Map<String,List<String>> lists = SingleSqlParserFactory.generateParser(sql);
         System.out.println(lists.toString());
     }
+
+
+    @Test
+    public void showFragmentTest(){
+        String sql = "show fragment test";
+        Map<String,List<String>> lists = SingleSqlParserFactory.generateParser(sql);
+        System.out.println(lists.toString());
+    }
 }

dlink-executor/src/main/java/com/dlink/executor/Executor.java

@@ -2,6 +2,7 @@ package com.dlink.executor;
 
 import com.dlink.assertion.Asserts;
 import com.dlink.interceptor.FlinkInterceptor;
+import com.dlink.interceptor.FlinkInterceptorResult;
 import com.dlink.result.SqlExplainResult;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -197,8 +198,8 @@ public abstract class Executor {
         return FlinkInterceptor.pretreatStatement(this, statement);
     }
 
-    private boolean pretreatExecute(String statement) {
-        return !FlinkInterceptor.build(this, statement);
+    private FlinkInterceptorResult pretreatExecute(String statement) {
+        return FlinkInterceptor.build(this, statement);
     }
 
     public JobExecutionResult execute(String jobName) throws Exception {
@@ -207,7 +208,11 @@ public abstract class Executor {
 
     public TableResult executeSql(String statement) {
         statement = pretreatStatement(statement);
-        if (pretreatExecute(statement)) {
+        FlinkInterceptorResult flinkInterceptorResult = pretreatExecute(statement);
+        if (Asserts.isNotNull(flinkInterceptorResult.getTableResult())) {
+            return flinkInterceptorResult.getTableResult();
+        }
+        if (!flinkInterceptorResult.isNoExecute()) {
             return stEnvironment.executeSql(statement);
         } else {
             return CustomTableResultImpl.TABLE_RESULT_OK;
@@ -216,7 +221,7 @@ public abstract class Executor {
 
     public String explainSql(String statement, ExplainDetail... extraDetails) {
         statement = pretreatStatement(statement);
-        if (pretreatExecute(statement)) {
+        if (!pretreatExecute(statement).isNoExecute()) {
             return stEnvironment.explainSql(statement, extraDetails);
         } else {
             return "";
@@ -225,7 +230,7 @@ public abstract class Executor {
 
     public SqlExplainResult explainSqlRecord(String statement, ExplainDetail... extraDetails) {
         statement = pretreatStatement(statement);
-        if (Asserts.isNotNullString(statement) && pretreatExecute(statement)) {
+        if (Asserts.isNotNullString(statement) && !pretreatExecute(statement).isNoExecute()) {
             return stEnvironment.explainSqlRecord(statement, extraDetails);
         } else {
             return null;
@@ -234,7 +239,7 @@ public abstract class Executor {
 
     public ObjectNode getStreamGraph(String statement) {
         statement = pretreatStatement(statement);
-        if (pretreatExecute(statement)) {
+        if (!pretreatExecute(statement).isNoExecute()) {
             return stEnvironment.getStreamGraph(statement);
         } else {
             return null;

dlink-executor/src/main/java/com/dlink/executor/SqlManager.java

@@ -11,12 +11,7 @@ import org.apache.flink.table.catalog.exceptions.CatalogException;
 import org.apache.flink.types.Row;
 import org.apache.flink.util.StringUtils;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -26,6 +21,7 @@ import static org.apache.flink.util.Preconditions.checkNotNull;
 
 /**
  * Flink Sql Fragment Manager
+ *
  * @author wenmo
  * @since 2021/6/7 22:06
  **/
@@ -111,6 +107,16 @@ public final class SqlManager {
         }
     }
 
+    public TableResult getSqlFragmentResult(String sqlFragmentName) {
+        if (Asserts.isNullString(sqlFragmentName)) {
+            return CustomTableResultImpl.buildTableResult(new ArrayList<>(Arrays.asList(new TableSchemaField("fragment", DataTypes.STRING()))), new ArrayList<>());
+        }
+        String sqlFragment = getSqlFragment(sqlFragmentName);
+        List<Row> rows = new ArrayList<>();
+        rows.add(Row.of(sqlFragment));
+        return CustomTableResultImpl.buildTableResult(new ArrayList<>(Arrays.asList(new TableSchemaField("fragment", DataTypes.STRING()))), rows);
+    }
+
     /**
      * Get a fragment of sql under the given name. The sql fragment name must be existed.
      *
@@ -126,7 +132,7 @@ public final class SqlManager {
         for (String key : sqlFragments.keySet()) {
             rows.add(Row.of(key));
         }
-        return CustomTableResultImpl.buildTableResult(new ArrayList<>(Arrays.asList(new TableSchemaField("sql fragment name", DataTypes.STRING()))), rows);
+        return CustomTableResultImpl.buildTableResult(new ArrayList<>(Arrays.asList(new TableSchemaField("fragmentName", DataTypes.STRING()))), rows);
     }
 
     public Iterator getSqlFragmentsIterator() {
@@ -141,9 +147,10 @@ public final class SqlManager {
         return environment.fromValues(keys);
     }
 
-    public boolean checkShowFragments(String sql){
+    public boolean checkShowFragments(String sql) {
         return SHOW_FRAGMENTS.equals(sql.trim().toUpperCase());
     }
+
     /**
      * Parse some variables under the given sql.
      *

dlink-executor/src/main/java/com/dlink/interceptor/FlinkInterceptor.java

@@ -3,11 +3,12 @@ package com.dlink.interceptor;
 import com.dlink.assertion.Asserts;
 import com.dlink.catalog.function.FunctionManager;
 import com.dlink.catalog.function.UDFunction;
-import com.dlink.executor.Executor;
 import com.dlink.executor.CustomTableEnvironmentImpl;
+import com.dlink.executor.Executor;
 import com.dlink.trans.Operation;
 import com.dlink.trans.Operations;
 import com.dlink.utils.SqlUtil;
+import org.apache.flink.table.api.TableResult;
 import org.apache.flink.table.functions.AggregateFunction;
 import org.apache.flink.table.functions.ScalarFunction;
 import org.apache.flink.table.functions.TableAggregateFunction;
@@ -27,7 +28,7 @@ public class FlinkInterceptor {
 
     public static String pretreatStatement(Executor executor, String statement) {
         statement = SqlUtil.removeNote(statement);
-        if(executor.isUseSqlFragment()) {
+        if (executor.isUseSqlFragment()) {
             statement = executor.getSqlManager().parseVariable(statement);
         }
 //        initFunctions(executor.getCustomTableEnvironmentImpl(), statement);
@@ -35,13 +36,15 @@ public class FlinkInterceptor {
     }
 
     // return false to continue with executeSql
-    public static boolean build(Executor executor, String statement) {
+    public static FlinkInterceptorResult build(Executor executor, String statement) {
+        boolean noExecute = false;
+        TableResult tableResult = null;
         Operation operation = Operations.buildOperation(statement);
         if (Asserts.isNotNull(operation)) {
-            operation.build(executor);
-            return operation.noExecute();
+            tableResult = operation.build(executor);
+            noExecute = operation.noExecute();
         }
-        return false;
+        return FlinkInterceptorResult.build(noExecute, tableResult);
     }
 
     @Deprecated

dlink-executor/src/main/java/com/dlink/interceptor/FlinkInterceptorResult.java

+package com.dlink.interceptor;
+
+import org.apache.flink.table.api.TableResult;
+
+/**
+ * FlinkInterceptorResult
+ *
+ * @author wenmo
+ * @since 2022/2/17 16:36
+ **/
+public class FlinkInterceptorResult {
+
+    private boolean noExecute;
+    private TableResult tableResult;
+
+    public FlinkInterceptorResult() {
+    }
+
+    public FlinkInterceptorResult(boolean noExecute, TableResult tableResult) {
+        this.noExecute = noExecute;
+        this.tableResult = tableResult;
+    }
+
+    public boolean isNoExecute() {
+        return noExecute;
+    }
+
+    public void setNoExecute(boolean noExecute) {
+        this.noExecute = noExecute;
+    }
+
+    public TableResult getTableResult() {
+        return tableResult;
+    }
+
+    public void setTableResult(TableResult tableResult) {
+        this.tableResult = tableResult;
+    }
+
+    public static FlinkInterceptorResult buildResult(TableResult tableResult) {
+        return new FlinkInterceptorResult(false, tableResult);
+    }
+
+    public static FlinkInterceptorResult build(boolean noExecute, TableResult tableResult) {
+        return new FlinkInterceptorResult(noExecute, tableResult);
+    }
+}

dlink-executor/src/main/java/com/dlink/parser/ShowFragmentParser.java

+package com.dlink.parser;
+
+/**
+ * ShowFragmentsParser
+ *
+ * @author wenmo
+ * @since 2022/2/17 16:19
+ **/
+public class ShowFragmentParser extends BaseSingleSqlParser {
+
+    public ShowFragmentParser(String originalSql) {
+        super(originalSql);
+    }
+
+    @Override
+    protected void initializeSegments() {
+        //SHOW FRAGMENT (.+)
+        segments.add(new SqlSegment("FRAGMENT", "(show\\s+fragment)\\s+(.*)( ENDOFSQL)", ","));
+    }
+}

dlink-executor/src/main/java/com/dlink/parser/SingleSqlParserFactory.java

@@ -13,10 +13,10 @@ import java.util.regex.Pattern;
  */
 public class SingleSqlParserFactory {
 
-    public static Map<String,List<String>> generateParser(String sql) {
+    public static Map<String, List<String>> generateParser(String sql) {
         BaseSingleSqlParser tmp = null;
 //        sql = sql.replace("\n"," ").replaceAll("\\s{1,}", " ") +" ENDOFSQL";
-        sql = sql.replace("\r\n"," ").replace("\n"," ") +" ENDOFSQL";
+        sql = sql.replace("\r\n", " ").replace("\n", " ") + " ENDOFSQL";
         if (contains(sql, "(insert\\s+into)(.+)(select)(.+)(from)(.+)")) {
             tmp = new InsertSelectSqlParser(sql);
         } else if (contains(sql, "(create\\s+aggtable)(.+)(as\\s+select)(.+)")) {
@@ -37,6 +37,8 @@ public class SingleSqlParserFactory {
         } else if (contains(sql, "(use)(.+)")) {
         } else if (contains(sql, "(set)(.+)")) {
             tmp = new SetSqlParser(sql);
+        } else if (contains(sql, "(show\\s+fragment)\\s+(.+)")) {
+            tmp = new ShowFragmentParser(sql);
         } else {
         }
         return tmp.splitSql2Segment();

dlink-executor/src/main/java/com/dlink/trans/Operation.java

 package com.dlink.trans;
 
 import com.dlink.executor.Executor;
+import org.apache.flink.table.api.TableResult;
 
 /**
  * Operation
@@ -14,7 +15,7 @@ public interface Operation {
 
     Operation create(String statement);
 
-    void build(Executor executor);
+    TableResult build(Executor executor);
 
     boolean noExecute();
 }

dlink-executor/src/main/java/com/dlink/trans/Operations.java

 package com.dlink.trans;
 
 import com.dlink.parser.SqlType;
-import com.dlink.trans.ddl.CreateAggTableOperation;
-import com.dlink.trans.ddl.CreateCDCSourceOperation;
-import com.dlink.trans.ddl.SetOperation;
+import com.dlink.trans.ddl.*;
 
 /**
  * Operations
@@ -17,9 +15,11 @@ public class Operations {
             new CreateAggTableOperation()
             , new SetOperation()
             , new CreateCDCSourceOperation()
+            , new ShowFragmentsOperation()
+            , new ShowFragmentOperation()
     };
 
-    public static SqlType getSqlTypeFromStatements(String statement){
+    public static SqlType getSqlTypeFromStatements(String statement) {
         String[] statements = statement.split(";");
         SqlType sqlType = SqlType.UNKNOWN;
         for (String item : statements) {
@@ -27,7 +27,7 @@ public class Operations {
                 continue;
             }
             sqlType = Operations.getOperationType(item);
-            if(sqlType == SqlType.INSERT ||sqlType == SqlType.SELECT){
+            if (sqlType == SqlType.INSERT || sqlType == SqlType.SELECT) {
                 return sqlType;
             }
         }
@@ -46,10 +46,10 @@ public class Operations {
         return type;
     }
 
-    public static Operation buildOperation(String statement){
-        String sql = statement.replace("\n"," ").replaceAll("\\s{1,}", " ").trim().toUpperCase();
+    public static Operation buildOperation(String statement) {
+        String sql = statement.replace("\n", " ").replaceAll("\\s{1,}", " ").trim().toUpperCase();
         for (int i = 0; i < operations.length; i++) {
-            if(sql.startsWith(operations[i].getHandle())){
+            if (sql.startsWith(operations[i].getHandle())) {
                 return operations[i].create(statement);
             }
         }

dlink-executor/src/main/java/com/dlink/trans/ddl/CreateAggTableOperation.java

@@ -4,6 +4,7 @@ import com.dlink.executor.Executor;
 import com.dlink.trans.AbstractOperation;
 import com.dlink.trans.Operation;
 import org.apache.flink.table.api.Table;
+import org.apache.flink.table.api.TableResult;
 
 import java.util.List;
 
@@ -13,7 +14,7 @@ import java.util.List;
  * @author wenmo
  * @since 2021/6/13 19:24
  */
-public class CreateAggTableOperation extends AbstractOperation implements Operation{
+public class CreateAggTableOperation extends AbstractOperation implements Operation {
 
     private String KEY_WORD = "CREATE AGGTABLE";
 
@@ -35,11 +36,11 @@ public class CreateAggTableOperation extends AbstractOperation implements Operat
     }
 
     @Override
-    public void build(Executor executor) {
+    public TableResult build(Executor executor) {
         AggTable aggTable = AggTable.build(statement);
-        Table source = executor.getCustomTableEnvironment().sqlQuery("select * from "+ aggTable.getTable());
+        Table source = executor.getCustomTableEnvironment().sqlQuery("select * from " + aggTable.getTable());
         List<String> wheres = aggTable.getWheres();
-        if(wheres!=null&&wheres.size()>0) {
+        if (wheres != null && wheres.size() > 0) {
             for (String s : wheres) {
                 source = source.filter(s);
             }
@@ -48,5 +49,6 @@ public class CreateAggTableOperation extends AbstractOperation implements Operat
                 .flatAggregate(aggTable.getAggBy())
                 .select(aggTable.getColumns());
         executor.getCustomTableEnvironment().registerTable(aggTable.getName(), sink);
+        return null;
     }
 }

dlink-executor/src/main/java/com/dlink/trans/ddl/CreateCDCSourceOperation.java

@@ -5,9 +5,10 @@ import com.dlink.executor.Executor;
 import com.dlink.model.FlinkCDCConfig;
 import com.dlink.trans.AbstractOperation;
 import com.dlink.trans.Operation;
+import org.apache.flink.table.api.TableResult;
 
 /**
- * TODO
+ * CreateCDCSourceOperation
  *
  * @author wenmo
  * @since 2022/1/29 23:25
@@ -34,15 +35,16 @@ public class CreateCDCSourceOperation extends AbstractOperation implements Opera
     }
 
     @Override
-    public void build(Executor executor) {
+    public TableResult build(Executor executor) {
         CDCSource cdcSource = CDCSource.build(statement);
-        FlinkCDCConfig config = new FlinkCDCConfig(cdcSource.getHostname(),cdcSource.getPort(),cdcSource.getUsername()
-        ,cdcSource.getPassword(),cdcSource.getCheckpoint(),cdcSource.getParallelism(),cdcSource.getDatabase(),cdcSource.getTable()
-        ,cdcSource.getStartupMode(),cdcSource.getTopic(),cdcSource.getBrokers());
+        FlinkCDCConfig config = new FlinkCDCConfig(cdcSource.getHostname(), cdcSource.getPort(), cdcSource.getUsername()
+                , cdcSource.getPassword(), cdcSource.getCheckpoint(), cdcSource.getParallelism(), cdcSource.getDatabase(), cdcSource.getTable()
+                , cdcSource.getStartupMode(), cdcSource.getTopic(), cdcSource.getBrokers());
         try {
-            FlinkCDCMergeBuilder.buildMySqlCDC(executor.getStreamExecutionEnvironment(),config);
+            FlinkCDCMergeBuilder.buildMySqlCDC(executor.getStreamExecutionEnvironment(), config);
         } catch (Exception e) {
             e.printStackTrace();
         }
+        return null;
     }
 }

dlink-executor/src/main/java/com/dlink/trans/ddl/SetOperation.java

@@ -7,6 +7,7 @@ import com.dlink.trans.AbstractOperation;
 import com.dlink.trans.Operation;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.flink.configuration.Configuration;
+import org.apache.flink.table.api.TableResult;
 
 import java.util.HashMap;
 import java.util.List;
@@ -40,22 +41,23 @@ public class SetOperation extends AbstractOperation implements Operation {
     }
 
     @Override
-    public void build(Executor executor) {
+    public TableResult build(Executor executor) {
         try {
-            if(null != Class.forName("org.apache.log4j.Logger")){
+            if (null != Class.forName("org.apache.log4j.Logger")) {
                 executor.parseAndLoadConfiguration(statement);
-                return;
+                return null;
             }
         } catch (ClassNotFoundException e) {
         }
-        Map<String,List<String>> map = SingleSqlParserFactory.generateParser(statement);
-        if(Asserts.isNotNullMap(map)&&map.size()==2) {
+        Map<String, List<String>> map = SingleSqlParserFactory.generateParser(statement);
+        if (Asserts.isNotNullMap(map) && map.size() == 2) {
             Map<String, String> confMap = new HashMap<>();
             confMap.put(StringUtils.join(map.get("SET"), "."), StringUtils.join(map.get("="), ","));
             executor.getCustomTableEnvironment().getConfig().addConfiguration(Configuration.fromMap(confMap));
             Configuration configuration = Configuration.fromMap(confMap);
-            executor.getExecutionConfig().configure(configuration,null);
+            executor.getExecutionConfig().configure(configuration, null);
             executor.getCustomTableEnvironment().getConfig().addConfiguration(configuration);
         }
+        return null;
     }
 }

dlink-executor/src/main/java/com/dlink/trans/ddl/ShowFragmentOperation.java

+package com.dlink.trans.ddl;
+
+import com.dlink.assertion.Asserts;
+import com.dlink.executor.Executor;
+import com.dlink.parser.SingleSqlParserFactory;
+import com.dlink.trans.AbstractOperation;
+import com.dlink.trans.Operation;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.flink.table.api.TableResult;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * ShowFragmentOperation
+ *
+ * @author wenmo
+ * @since 2022/2/17 17:08
+ **/
+public class ShowFragmentOperation extends AbstractOperation implements Operation {
+    private String KEY_WORD = "SHOW FRAGMENT ";
+
+    public ShowFragmentOperation() {
+    }
+
+    public ShowFragmentOperation(String statement) {
+        super(statement);
+    }
+
+    @Override
+    public String getHandle() {
+        return KEY_WORD;
+    }
+
+    @Override
+    public Operation create(String statement) {
+        return new ShowFragmentOperation(statement);
+    }
+
+    @Override
+    public TableResult build(Executor executor) {
+        Map<String, List<String>> map = SingleSqlParserFactory.generateParser(statement);
+        if (Asserts.isNotNullMap(map)) {
+            if (map.containsKey("FRAGMENT")) {
+                return executor.getSqlManager().getSqlFragmentResult(StringUtils.join(map.get("FRAGMENT"), ""));
+            }
+        }
+        return executor.getSqlManager().getSqlFragmentResult(null);
+    }
+}

dlink-executor/src/main/java/com/dlink/trans/ddl/ShowFragmentsOperation.java

+package com.dlink.trans.ddl;
+
+import com.dlink.executor.Executor;
+import com.dlink.trans.AbstractOperation;
+import com.dlink.trans.Operation;
+import org.apache.flink.table.api.TableResult;
+
+/**
+ * ShowFragmentsOperation
+ *
+ * @author wenmo
+ * @since 2022/2/17 16:31
+ **/
+public class ShowFragmentsOperation extends AbstractOperation implements Operation {
+
+    private String KEY_WORD = "SHOW FRAGMENTS";
+
+    public ShowFragmentsOperation() {
+    }
+
+    public ShowFragmentsOperation(String statement) {
+        super(statement);
+    }
+
+    @Override
+    public String getHandle() {
+        return KEY_WORD;
+    }
+
+    @Override
+    public Operation create(String statement) {
+        return new ShowFragmentsOperation(statement);
+    }
+
+    @Override
+    public TableResult build(Executor executor) {
+        return executor.getSqlManager().getSqlFragments();
+    }
+}