5.5.8 计数器get_counter # 点击量:日、周、月 create 'counters', 'daily', 'weekly', 'monthly' incr 'counters', '20110101', 'daily:hits', 1 incr 'counters', '20110101', 'daily:hits', 1 get_counter 'counters', '20110101', 'daily:hits' 1. 2. 3. 4. 5. 5.5.9 修饰词 1、修饰...
可以使用incr操作计数器,incr语法格式如下: incr'<table>','<row>','<column>',|<increment-value>| 然后使用get_counter可以获取对应的计数器的值 不用初始化计数器,第一次使用计数器时,计数器被自动设置为0 eg: 对于wishTest1表 incr'wishTest1','2','score:Math',1incr'wishTest1','2','score:Math...
hbase(main):060:0>get 'member','xiaofeng','info:age' COLUMN CELL info:age timestamp=1321591025110, value=\x00\x00\x00\x00\x00\x00\x00\x02 1 row(s) in 0.0160seconds 获取当前count的值 hbase(main):069:0>get_counter 'member','xiaofeng','info:age' COUNTER VALUE = 2 9.将整张表清空...
Group name: namespace Commands: alter_namespace, create_namespace, describe_namespace, drop_namespace, list_namespace, list_namespace_tables Group name: dml Commands: append, count, delete, deleteall, get, get_counter, get_splits, incr, put, scan, truncate, truncate_preserve Group name: t...
Commands: append, count, delete, deleteall, get, get_counter, get_splits, incr, put, scan, truncate, truncate_preserve Group name: tools Commands: assign, balance_switch, balancer, balancer_enabled, catalogjanitor_enabled, catalogjanitor_run, catalogjanitor_switch, cleaner_chore_enabled, cleaner_ch...
COUNTER VALUE = 3 0 row(s) in 7.3880 seconds 10.获取当前count的值 hbase(main):006:0> get_counter 'table','id','column_famaly1:addr' COUNTER VALUE = 3 11.将整张表清空 hbase(main):007:0> truncate 'table' Truncating 'table' table (it may take a while): ...
hbase(main):069:0>get_counter 'member','xiaofeng','info:age' COUNTER VALUE = 2 9.将整张表清空: hbase(main):035:0>truncate 'member' Truncating 'member'table (it may take a while): - Disabling table... - Dropping table...
创建表名和列族名 create 't1','cf' 初始化counter为1 或让counter+1 incr 't1','row1','cf:no',1 获取counter get 't1','row1','cf:no' 获取counter get_counter 't1','row1','cf:no' @Test public void tes ...
get, get_counter, incr, put, scan, truncate Group name: tools Commands:assign, balance_switch, balancer, close_region, compact, flush, hlog_roll, major_compact, move, split, unassign, zk_dump Group name: replication Commands: add_peer, disable_peer, enable_peer, list_peers, remove_peer,...
(2)get_counter '表名','rowkey','列族:列' 示例: hbase(main):008:0> incr 'NEWS_VISIT_CNT','20210101_001','c1:CNT',12 COUNTER VALUE = 12 Took 0.2801 seconds hbase(main):012:0> incr 'NEWS_VISIT_CNT','20210101_001','c1:CNT' ...