1.修改查找子节点的方式，2不删除数据。

src/main/java/com/keymobile/metadata/metadataRelation/respository/metadata/Neo4jSchemaRepository.java

@@ -21,6 +21,8 @@ public interface Neo4jSchemaRepository extends Neo4jRepository<Neo4jSchema, Long
     @Query("match (n:Neo4jSchema{metadataId:{schemaId}} )-[r:Composition]->(m:neo4jTable)   return m order by m.name ")
     List<BaseNode> getTableBySchemaId(@Param("schemaId") String schemaId);
 
+    @Query("match (n:Neo4jSchema{metadataId:{schemaId}} )-[r:Composition]->(m:neo4jTable)   return m order by m.name ")
+    List<BaseNode> getColumnBySchemaId(@Param("schemaId") String schemaId);
 
     @Query("match (n:Neo4jSchema{metadataId:{schemaId}} )-[r:Composition]->(m:neo4jView)   return m order by m.name ")
     List<BaseNode> getViewBySchemaId(@Param("schemaId") String schemaId);

src/main/java/com/keymobile/metadata/metadataRelation/service/AsyncDataFromMongoToNeo4j.java

@@ -71,10 +71,10 @@ public class AsyncDataFromMongoToNeo4j {
         });
         //先删除同个环境的数据
         long time0 = System.currentTimeMillis();
-        metadataService.deleteNodeByCatalogName(catalogName);
+//        metadataService.deleteNodeByCatalogName(catalogName);
 
         long time1 = System.currentTimeMillis();
-        logger.info("删除"+catalogName+"的数据完成，耗时："+(time1-time0));
+//        logger.info("删除"+catalogName+"的数据完成，耗时："+(time1-time0));
         //先同步元数据，纵向关系,root开始，系统--schema--table--column，系统--etl作业--etl脚本--etlsql。
         metadataService.syschroMetadataFromMongo(catalogName,mongoDataList);
 

src/main/java/com/keymobile/metadata/metadataRelation/service/ISchemaService.java

@@ -18,4 +18,9 @@ public interface ISchemaService {
     boolean updateTagFromSchema(String schemaId);
 
     boolean updateTagFromAllSchema();
+
+    Map<String,String> getTableIdFromSchemaId(String schemaId);
+
+    Map<String,String> getColumnIdFromSchemaId(String schemaId);
+
 }

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/DataRelationAnalyServiceImpl.java

@@ -4,7 +4,10 @@ import com.keymobile.metadata.metadataRelation.pojo.MetaData;
 import com.keymobile.metadata.metadataRelation.pojo.returnBean.ReturnNode;
 import com.keymobile.metadata.metadataRelation.service.DataRelationAnalyService;
 import com.keymobile.metadata.metadataRelation.util.Neo4jTool;
-import org.neo4j.driver.v1.*;
+import org.neo4j.driver.v1.Record;
+import org.neo4j.driver.v1.Session;
+import org.neo4j.driver.v1.StatementResult;
+import org.neo4j.driver.v1.Value;
 import org.neo4j.driver.v1.types.Node;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -21,7 +24,7 @@ public class DataRelationAnalyServiceImpl implements DataRelationAnalyService {
     private static final Logger logger = LoggerFactory.getLogger(DataRelationAnalyServiceImpl.class);
 
     @Autowired
-    private Session  session;
+    private Session session;
 
     @Override
     public Map<String, ReturnNode> findTableWithoutRelations(String parentId,int start,int end,String keyWord) {

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/SchemaServiceImpl.java

@@ -10,6 +10,9 @@ import com.keymobile.metadata.metadataRelation.respository.metadata.Neo4jSystemR
 import com.keymobile.metadata.metadataRelation.service.ISchemaService;
 import com.keymobile.metadata.metadataRelation.util.SchemaLayerObject;
 import org.hibernate.loader.custom.Return;
+import org.neo4j.driver.v1.Record;
+import org.neo4j.driver.v1.Session;
+import org.neo4j.driver.v1.StatementResult;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -27,6 +30,8 @@ public class SchemaServiceImpl implements ISchemaService {
     @Autowired
     private TagRemoteService tagRemoteService;
 
+    @Autowired
+    private Session session;
 
     @Autowired
     private Neo4jSystemRepository neo4jSystemRepository;
@@ -49,11 +54,11 @@ public class SchemaServiceImpl implements ISchemaService {
          * 26         });
          */
         List<Neo4jSchema> neo4jSchemas = neo4jSystemRepository.getSchemaBySystemId(systemId);
-        System.out.println("排序前：");
-        for(Neo4jSchema neo4jSystem:neo4jSchemas){
-
-            System.out.println("neo4jSystem:"+neo4jSystem.getName());
-        }
+//        System.out.println("排序前：");
+//        for(Neo4jSchema neo4jSystem:neo4jSchemas){
+//
+//            System.out.println("neo4jSystem:"+neo4jSystem.getName());
+//        }
         Collections.sort(neo4jSchemas, new Comparator<Neo4jSchema>() {
             @Override
             public int compare(Neo4jSchema o1, Neo4jSchema o2){
@@ -61,11 +66,11 @@ public class SchemaServiceImpl implements ISchemaService {
                 return compare.compare(o1.getName(), o2.getName());
             }
         });
-        System.out.println("排序后：");
-        for(Neo4jSchema neo4jSystem:neo4jSchemas){
-
-            System.out.println("neo4jSystem:"+neo4jSystem.getName());
-        }
+//        System.out.println("排序后：");
+//        for(Neo4jSchema neo4jSystem:neo4jSchemas){
+//
+//            System.out.println("neo4jSystem:"+neo4jSystem.getName());
+//        }
         for(Neo4jSchema neo4jSchema:neo4jSchemas ){
             ReturnNode returnNode = new ReturnNode();
             returnNode.setId(neo4jSchema.getMetadataId());
@@ -292,6 +297,60 @@ public class SchemaServiceImpl implements ISchemaService {
         return true;
     }
 
+    @Override
+    public Map<String,String> getTableIdFromSchemaId(String schemaId) {
+        Map<String,String> tableIdMap = new HashMap<>();
+        //批量获取指定schema下面的table
+        String countCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-->(m:Neo4jTable) return count(m) as count";
+        String detailCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-->(m:Neo4jTable) return m skip 10 limit 10";
+        StatementResult countResult = session.run(countCypher);
+        int  jdcount= 0 ;
+        while(countResult.hasNext()){
+            Record record = countResult.next();
+            jdcount= record.get( "count").asInt();
+        }
+        //分页获取 表
+        int pageSize = 100;
+        int page = jdcount/pageSize;
+        for(int i=0;i<page+1;i++){
+            detailCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-->(m:Neo4jTable) return m.metadataId as id  skip "+(page*pageSize ) +" limit "+ pageSize;
+            StatementResult detailResult = session.run(detailCypher);
+            while (detailResult.hasNext()){
+                Record record = detailResult.next();
+                String metadataId =  record.get( "id").asString();
+                tableIdMap.put(metadataId,"");
+            }
+        }
+        return tableIdMap;
+    }
+
+    @Override
+    public Map<String, String> getColumnIdFromSchemaId(String schemaId) {
+        Map<String,String> columnIdMap = new HashMap<>();
+        //批量获取指定schema下面的table
+        String countCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-[:Composition]->(m:Neo4jTable)-[:Composition]->(mn:Neo4jColumn) return count(mn) as count";
+        String detailCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-->(m:Neo4jTable) return m skip 10 limit 10";
+        StatementResult countResult = session.run(countCypher);
+        int  jdcount= 0 ;
+        while(countResult.hasNext()){
+            Record record = countResult.next();
+            jdcount= record.get( "count").asInt();
+        }
+        //分页获取 表
+        int pageSize = 100;
+        int page = jdcount/pageSize;
+        for(int i=0;i<page+1;i++){
+            detailCypher = "match (n:Neo4jSchema{metadataId:\""+schemaId+"\"})-[:Composition]->(m:Neo4jTable)-[:Composition]->(mn:Neo4jColumn) return mn.metadataId as id  skip "+(i*pageSize ) +" limit "+ pageSize;
+            StatementResult detailResult = session.run(detailCypher);
+            while (detailResult.hasNext()){
+                Record record = detailResult.next();
+                String metadataId =  record.get( "id").asString();
+                columnIdMap.put(metadataId,"");
+            }
+        }
+        return columnIdMap;
+    }
+
     private void saveLabelFromTag(List<String> layer, Map<String, Neo4jSchema> neo4jSchemaMap, Map<String, List<Map<String, Object>>> returnResults) {
         for (Object obj : returnResults.keySet()) {
             String schemaId = (String) obj;

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/SystemServiceImpl.java

@@ -183,11 +183,11 @@ public class SystemServiceImpl implements ISystemService {
                 }
             }
         }
-        System.out.println("排序前：");
-        for(Neo4jSystem neo4jSystem:neo4jSystemList){
-
-            System.out.println("neo4jSystem:"+neo4jSystem.getName());
-        }
+//        System.out.println("排序前：");
+//        for(Neo4jSystem neo4jSystem:neo4jSystemList){
+//
+//            System.out.println("neo4jSystem:"+neo4jSystem.getName());
+//        }
         Collections.sort(neo4jSystemList, new Comparator<Neo4jSystem>() {
             @Override
             public int compare(Neo4jSystem o1, Neo4jSystem o2){
@@ -195,11 +195,11 @@ public class SystemServiceImpl implements ISystemService {
                 return compare.compare(o1.getName(), o2.getName());
             }
         });
-        System.out.println("排序后：");
-        for(Neo4jSystem neo4jSystem:neo4jSystemList){
-
-            System.out.println("neo4jSystem:"+neo4jSystem.getName());
-        }
+//        System.out.println("排序后：");
+//        for(Neo4jSystem neo4jSystem:neo4jSystemList){
+//
+//            System.out.println("neo4jSystem:"+neo4jSystem.getName());
+//        }
         for(Neo4jSystem neo4jSystem:neo4jSystemList){
             ReturnNode returnNode = new ReturnNode();
             returnNode.setId(neo4jSystem.getMetadataId());