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Changes between Version 13 and Version 14 of NCHCCloudCourse100929_2_USE


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Timestamp:
Sep 29, 2010, 1:23:35 PM (15 years ago)
Author:
jazz
Comment:

--

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  • NCHCCloudCourse100929_2_USE

    v13 v14  
    115115}}}
    116116
    117 執行結果：會把 row-key 是 'r1' 的所有紀錄。此時資料表 't1' 會變成如下表所示。
     117執行結果：會把 row-key 是 '!r1' 的所有紀錄。此時資料表 't1' 會變成如下表所示。
    118118{{{
    119119hbase(main):017:0> scan 't1'                 
    … …  
    138138{{{
    139139hbase(main):>   disable 't1'
    140 hbase(main):>   alter 't1', {NAME => 'f1'}
     140hbase(main):>   alter 't1', {NAME => 'f3'}
    141141hbase(main):>   enable 't1'
    142142}}}    
    143143
     144執行結果：多了一個 column-family 'f3' 可以用 describe 指令查詢，結果示意如下表：
     145
     146{{{
     147hbase(main):021:0> describe 't1'
     148DESCRIPTION                                                             ENABLED                               
     149 {NAME => 't1', FAMILIES => [{NAME => 'f1', COMPRESSION => 'NONE', VERS true                                 
     150 IONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY => '                                       
     151 false', BLOCKCACHE => 'true'}, {NAME => 'f2', COMPRESSION => 'NONE', V                                       
     152 ERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY =                                       
     153 > 'false', BLOCKCACHE => 'true'}, {NAME => 'f3', VERSIONS => '3', COMP                                       
     154 RESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMOR                                       
     155 Y => 'false', BLOCKCACHE => 'true'}, {NAME => 'fn', COMPRESSION => 'NO                                       
     156 NE', VERSIONS => '3', TTL => '2147483647', BLOCKSIZE => '65536', IN_ME                                       
     157 MORY => 'false', BLOCKCACHE => 'true'}]}
     158}}}
     159
     160
     161{{{
     162#!html
     163<table border='1'>
     164<tr><td colspan='8'>Table: 't1'</td></tr>
     165<tr><td rowspan='2'>row-key</td><td colspan='2'>'f1'</td><td colspan='2'>'f2'</td><td bgcolor='red'>'f3'</td><td>'fn'</td><td>column-family</td></tr>
     166<tr><td>*</td><td>'c1'</td><td>*</td><td>'c2'</td><td bgcolor='red'>*</td><td>*</td><td>column-quantifier</td></tr>
     167<tr><td rowspan='2'>r2</td><td></td><td></td><td>v3</td><td></td><td bgcolor='red'></td><td></td></tr>
     168<tr><td></td><td></td><td></td><td>v4</td><td bgcolor='red'></td><td></td></tr>
     169</table>
     170}}}
    144171 = 刪除column family =
    145172