hive> describe extended hbase_hly_temp;
OK
key string from deserializer
v01 string from deserializer
v02 string from deserializer
v03 string from deserializer
Detailed Table Information Table(tableName:hbase_hly_temp, dbName/baiyefault, owner:arch, createTime:1384363358, lastAccessTime:0, retention:0, sd:StorageDescriptor(cols:[FieldSchema(name:key, type:string, comment:null), FieldSchema(name:v01, type:string, comment:null), FieldSchema(name:v02, type:string, comment:null), FieldSchema(name:v03, type:string, comment:null)], location:hdfs://localhost:9000/hive/warehouse/hbase_hly_temp, inputFormat/amrg.apache.hadoop.hive.hbase.HiveHBaseTableInputFormat, outputFormat/amrg.apache.hadoop.hive.hbase.HiveHBaseTableOutputFormat, compressed:false, numBuckets:-1, serdeInfo:SerDeInfo(name:null, serializationLib/amrg.apache.hadoop.hive.hbase.HBaseSerDe, parameters:{serialization.format=1, hbase.columns.mapping=:key,n:v01,n:v02,n:v03}), bucketCols/ll], sortCols/ll], parameters:{}, skewedInfo:SkewedInfo(skewedColNames:[], skewedColValues/ll], skewedColValueLocationMaps:{}), storedAsSubDirectories:false), partitionKeys/ll], parameters:{EXTERNAL=TRUE, hbase.table.name=hly_temp, transient_lastDdlTime=1384363358, storage_handler=org.apache.hadoop.hive.hbase.HBaseStorageHandler}, viewOriginalText:null, viewExpandedText:null, tableType:EXTERNAL_TABLE)先讲到这里,在不明白,就Google |