tableName:employee_partitioned, createTime:1569484989, lastAccessTime:0, sd:StorageDescriptor(cols:[FieldSchema(name:name, type:string, comment:null), FieldSchema(name:work_place, type:array<string>, comment:nul
fields terminated by'\t'STOREDASTEXTFILE; 创建外部分区表,一般用于日志的存储 代码语言:javascript 代码运行次数:0 运行 AI代码解释 create external tableIFNOTEXISTSlog_detail(word string,num bigint)partitionedby(dt string)row format delimited fields terminated by'\t'STOREDASTEXTFILElocation'/user/hdfs/...
refsid int,active int,duration int,mdomain string,sdomain string,refsdomain string,ieid int,refieid string,url string,totaltime int,param2 int,param4 string,param4code string) partitioned by(pid int,daytime string) row format delimited fields terminated by '\t' stored as SEQUENCEFILE;...
将查询的结果格式化导出到本地:insert overwrite local directory '/export/servers/exporthive' row format delimited fields terminated by '\t' collection items terminated by '#' select * from student; 将查询的结果导出到HDFS上(没有local):insert overwrite directory '/export/servers/exporthive' row forma...
sum(sales)OVER(PARTITIONBYCustomerIDBYtsROWSBETWEENUNBOUNDEDPRECEDINGANDCURRENTROW)ascumulative_sum The WF above would calculate the cumulative sum from the first record to the current record. Where did I do a mistake with Window Functions?
row format delimited fields terminated by '\t' 指定字段分隔符,默认分隔符为 '\001' stored as 指定存储格式 location 指定存储位置 根据查询结果创建表 createtablestu3asselect*fromstu2; 根据已经存在的表结构创建表 createtablestu4likestu2; 查询表的结构 ...
具体语法如下:XXX over (partition by xxx order by xxx) 特别注意:over()里面的 partition by 和 order by 都不是必选的,over()里面可以只有partition by,也可以只有order by,也可以两个都没有,大家需根据需求灵活运用。 窗口函数我划分了几个大类,我们一类一类的讲解。
MULTIPLE_MATCHING_CONSTRAINTS 428C4 述詞運算元每一端的項目數目不相同。 UNPIVOT_VALUE_SIZE_MISMATCH 428EK 架構限定符無效。 TEMP_VIEW_NAME_TOO_MANY_NAME_PARTS 428FR 無法如指定變更數據行。 CANNOT_ALTER_COLLATION_BUCKET_COLUMN、CANNOT_ALTER_PARTITION_COLUMN、DELTA_ALTER_COLLATION_NOT_SUPPORTED_BLOOM_FIL...
the input file that are found to be on the wrong partition will be discarded. If the "dumpfile" modifier is specified, the discarded rows will be saved to the dump file. This message will appear only once per partition per load job, even when there are multiple partition violations ...
具体语法如下:over (partition by xxx order by xxx) sum、avg、min、max 准备数据建表语句: createtabletest_t1( cookieidstring, createtimestring,--day pvint )rowformatdelimited fieldsterminatedby','; 加载数据: loaddatalocalinpath'/root/hivedata/test_t1.dat'intotabletest_t1; cookie1,2020-04-10...