feature(hudi-query): 增加单独的Schema查询方法

service-hudi-query/src/main/java/com/lanyuanxiaoyao/service/hudi/service/TableService.java

@@ -4,9 +4,7 @@ import com.eshore.odcp.hudi.connector.entity.TableMeta;
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.lanyuanxiaoyao.service.forest.service.InfoService;
-import org.apache.hadoop.conf.Configuration;
+import com.lanyuanxiaoyao.service.hudi.utils.HoodieUtils;
-import org.apache.hudi.common.table.HoodieTableMetaClient;
-import org.apache.hudi.common.table.TableSchemaResolver;
 import org.apache.hudi.org.apache.avro.Schema;
 import org.eclipse.collections.api.map.ImmutableMap;
 import org.slf4j.Logger;
@@ -45,12 +43,7 @@ public class TableService {
     @Cacheable(value = "table-schema", sync = true)
     @Retryable(Throwable.class)
     public ImmutableMap<String, Object> schema(String hdfs) throws Exception {
-        HoodieTableMetaClient client = HoodieTableMetaClient.builder()
+        Schema schema = HoodieUtils.getSchema(hdfs);
-                .setConf(new Configuration())
-                .setBasePath(hdfs)
-                .build();
-        TableSchemaResolver schemaUtil = new TableSchemaResolver(client);
-        Schema schema = schemaUtil.getTableAvroSchema(true);
         return mapper.readValue(schema.toString(), new TypeReference<ImmutableMap<String, Object>>() {
         });
     }

service-hudi-query/src/main/java/com/lanyuanxiaoyao/service/hudi/utils/HoodieUtils.java

@@ -8,12 +8,15 @@ import java.util.List;
 import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
+import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hudi.common.table.HoodieTableMetaClient;
+import org.apache.hudi.common.table.TableSchemaResolver;
 import org.apache.hudi.common.table.timeline.HoodieDefaultTimeline;
 import org.apache.hudi.common.table.timeline.HoodieInstant;
 import org.apache.hudi.common.table.timeline.HoodieTimeline;
+import org.apache.hudi.org.apache.avro.Schema;
 import org.eclipse.collections.api.factory.Lists;
 import org.eclipse.collections.api.list.ImmutableList;
 import org.slf4j.Logger;
@@ -28,6 +31,19 @@ import org.slf4j.LoggerFactory;
 public class HoodieUtils {
     private static final Logger logger = LoggerFactory.getLogger(HoodieUtils.class);
 
+    public static Schema getSchema(String hdfs) throws Exception {
+        HoodieTableMetaClient client = HoodieTableMetaClient.builder()
+                .setConf(new Configuration())
+                .setBasePath(hdfs)
+                .build();
+        return getSchema(client);
+    }
+
+    public static Schema getSchema(HoodieTableMetaClient client) throws Exception {
+        TableSchemaResolver schemaUtil = new TableSchemaResolver(client);
+        return schemaUtil.getTableAvroSchema(true);
+    }
+
     public static ImmutableList<HoodieInstant> getAllInstants(HoodieTableMetaClient client, Function<HoodieTableMetaClient, HoodieDefaultTimeline> getTimeline) throws IOException {
         FileSystem fileSystem = client.getRawFs();
         // 直接使用 toString 方法得到的值是被缓存的