hbase操作
名称
命令表达式
创建表
create '表名称','列簇名称1','列簇名称2'.......
添加记录
put '表名称', '行名称','列簇名称:','值'
查看记录
get '表名称','行名称'
查看表中的记录总数
count '表名称'
删除记录
delete '表名',行名称','列簇名称'
删除表
①disable '表名称' ②drop '表名称'
查看所有记录
scan '表名称'
查看某个表某个列中所有数据
scan '表名称',['列簇名称:']
更新记录
即重写一遍进行覆盖
hbase(main):050:0> create 'ddl', 'id', 'info'
0 row(s) in 0.0680 seconds
hbase(main):050:0> is_enabled 'ddl'
false
0 row(s) in 0.0680 seconds
hbase(main):051:0> enable 'ddl'
0 row(s) in 0.6200 seconds
hbase(main):052:0> count 'ddl'
0 row(s) in 0.0380 seconds
=> 0
hbase(main):053:0> put 'ddl', 'example', 'info:age', '22'
0 row(s) in 0.0340 seconds
hbase(main):054:0> count 'ddl'
1 row(s) in 0.0290 seconds
=> 1
hbase(main):055:0> get 'ddl' , 'example'
COLUMN CELL
info:age timestamp=1436785857172, value=22
1 row(s) in 0.0170 seconds
hbase(main):056:0> describe 'ddl'
DESCRIPTION ENABLED
'ddl', {NAME => 'info', BLOOMFILTER => 'ROW', VERSIONS => '1', IN_MEMORY => 'false', KEEP_DELETED_CELLS => 'false', DATA_BLOCK_ENCOD true
ING => 'NONE', TTL => 'FOREVER', COMPRESSION => 'NONE', MIN_VERSIONS => '0', BLOCKCACHE => 'true', BLOCKSIZE => '65536', REPLICATION
_SCOPE => '0'}
1 row(s) in 0.0630 seconds
hbase(main):057:0> put 'ddl', 'example', 'info:birthday', '1999-09-09'
0 row(s) in 0.0210 seconds
hbase(main):058:0> get 'ddl', 'example'
COLUMN CELL
info:age timestamp=1436785857172, value=22
info:birthday timestamp=1436785968230, value=1999-09-09
2 row(s) in 0.0160 seconds
hbase(main):059:0> put 'ddl', 'example', 'info:company', 'taobao'
0 row(s) in 0.0230 seconds
hbase(main):060:0> get 'ddl', 'example'
COLUMN CELL
info:age timestamp=1436785857172, value=22
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
3 row(s) in 0.0340 seconds
hbase(main):063:0> put 'ddl', 'taobao', 'info:age', '88'
0 row(s) in 0.0240 seconds
hbase(main):064:0> get 'ddl', 'taobao'
COLUMN CELL
info:age timestamp=1436786189132, value=88
1 row(s) in 0.0180 seconds
hbase(main):065:0> put 'ddl', 'taobao', 'info:addres', 'china'
0 row(s) in 0.0210 seconds
hbase(main):066:0> get 'ddl', 'taobao'
COLUMN CELL
info:addres timestamp=1436786262126, value=china
info:age timestamp=1436786189132, value=88
2 row(s) in 0.0180 seconds
hbase(main):067:0> put 'ddl' , 'taobao', 'info:birthday', '2001-01-01'
0 row(s) in 0.0260 seconds
hbase(main):068:0> get 'ddl', 'taobao'
COLUMN CELL
info:addres timestamp=1436786262126, value=china
info:age timestamp=1436786189132, value=88
info:birthday timestamp=1436786301656, value=2001-01-01
3 row(s) in 0.0270 seconds
hbase(main):069:0> put 'ddl', 'taobao', 'info:compayn', 'alibaba'
0 row(s) in 0.0400 seconds
hbase(main):070:0> get 'ddl', 'taobao'
COLUMN CELL
info:addres timestamp=1436786262126, value=china
info:age timestamp=1436786189132, value=88
info:birthday timestamp=1436786301656, value=2001-01-01
info:compayn timestamp=1436786328287, value=alibaba
4 row(s) in 0.0200 seconds
hbase(main):071:0> get 'ddl', 'example'
COLUMN CELL
info:address timestamp=1436786098272, value=china
info:age timestamp=1436785857172, value=22
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
4 row(s) in 0.0170 seconds
获取一个id的所有数据:
hbase(main):072:0> get 'ddl', 'taobao'
COLUMN CELL
info:addres timestamp=1436786262126, value=china
info:age timestamp=1436786189132, value=88
info:birthday timestamp=1436786301656, value=2001-01-01
info:compayn timestamp=1436786328287, value=alibaba
4 row(s) in 0.0240 seconds
获取一个id, 一个列簇的所有数据:
hbase(main):073:0> get 'ddl', 'taobao', 'info'
COLUMN CELL
info:addres timestamp=1436786262126, value=china
info:age timestamp=1436786189132, value=88
info:birthday timestamp=1436786301656, value=2001-01-01
info:compayn timestamp=1436786328287, value=alibaba
4 row(s) in 0.0210 seconds
获取一个id的一个列簇中的一个列的所有数据:
hbase(main):074:0> get 'ddl', 'taobao', 'info:age'
COLUMN CELL
info:age timestamp=1436786189132, value=88
1 row(s) in 0.0230 seconds
更新一条数据:
hbase(main):076:0> put 'ddl', 'example', 'info:age', '66'
0 row(s) in 0.0250 seconds
hbase(main):077:0> get 'ddl', 'example'
COLUMN CELL
info:address timestamp=1436786098272, value=china
info:age timestamp=1436786652004, value=66
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
4 row(s) in 0.0230 seconds
更新记录:
hbase(main):006:0> get 'ddl', 'example'
COLUMN CELL
info:address timestamp=1436786098272, value=china
info:age timestamp=1436786652004, value=66
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
4 row(s) in 0.0590 seconds
hbase(main):007:0> put 'ddl', 'example', 'info:age', '22'
0 row(s) in 0.1020 seconds
hbase(main):008:0> get 'ddl','example'
COLUMN CELL
info:address timestamp=1436786098272, value=china
info:age timestamp=1436787030235, value=22
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
4 row(s) in 0.0310 seconds
hbase(main):009:0> get 'ddl', 'example', {COLUMN=>'info:age', TIMESTAMP=>1436786652004}
COLUMN CELL
info:age timestamp=1436786652004, value=66
1 row(s) in 0.0240 seconds
hbase(main):010:0> get 'ddl', 'example', {COLUMN=>'info:age', TIMESTAMP=>1436787030235}
COLUMN CELL
info:age timestamp=1436787030235, value=22
1 row(s) in 0.0080 seconds
hbase(main):011:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:age, timestamp=1436787030235, value=22
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
taobao column=info:addres, timestamp=1436786262126, value=china
taobao column=info:age, timestamp=1436786189132, value=88
taobao column=info:birthday, timestamp=1436786301656, value=2001-01-01
taobao column=info:compayn, timestamp=1436786328287, value=alibaba
2 row(s) in 0.0560 seconds
hbase(main):015:0> delete 'ddl', 'example', 'info:age'
0 row(s) in 0.0750 seconds
hbase(main):016:0> get 'ddl', 'example'
COLUMN CELL
info:address timestamp=1436786098272, value=china
info:birthday timestamp=1436785968230, value=1999-09-09
info:company timestamp=1436786030921, value=taobao
3 row(s) in 0.0210 seconds
删除整行数据:
hbase(main):019:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
taobao column=info:addres, timestamp=1436786262126, value=china
taobao column=info:age, timestamp=1436786189132, value=88
taobao column=info:birthday, timestamp=1436786301656, value=2001-01-01
taobao column=info:compayn, timestamp=1436786328287, value=alibaba
2 row(s) in 0.0460 seconds
hbase(main):020:0> deleteall 'ddl', 'taobao'
0 row(s) in 0.0300 seconds
hbase(main):021:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
1 row(s) in 0.0300 seconds
给example增加'info:age'字段,并且使用counter实现递增:
hbase(main):022:0> incr 'ddl', 'example', 'info:age'
0 row(s) in 0.0330 seconds
hbase(main):023:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:age, timestamp=1436787516930, value=\x00\x00\x00\x00\x00\x00\x00\x01
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
1 row(s) in 0.0290 seconds
hbase(main):024:0> incr 'ddl', 'example', 'info:age'
0 row(s) in 0.0260 seconds
hbase(main):025:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:age, timestamp=1436787556057, value=\x00\x00\x00\x00\x00\x00\x00\x02
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
1 row(s) in 0.0770 seconds
hbase(main):026:0> incr 'ddl', 'example', 'info:age'
0 row(s) in 0.0130 seconds
hbase(main):027:0> scan 'ddl'
ROW COLUMN+CELL
example column=info:address, timestamp=1436786098272, value=china
example column=info:age, timestamp=1436787562408, value=\x00\x00\x00\x00\x00\x00\x00\x03
example column=info:birthday, timestamp=1436785968230, value=1999-09-09
example column=info:company, timestamp=1436786030921, value=taobao
1 row(s) in 0.0170 seconds
获取当前count值:
hbase(main):041:0> get_counter 'ddl', 'example', 'info:age', 'dummy'
COUNTER VALUE = 3
hbase(main):042:0> get 'ddl', 'example', 'info:age'
COLUMN CELL
info:age timestamp=1436787562408, value=\x00\x00\x00\x00\x00\x00\x00\x03
1 row(s) in 0.0210 seconds
https://issues.apache.org/jira/browse/HBASE-11613
清空表格: