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HBASE-4837 book.xml, schema design 

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1204627 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Doug Meil 2011-11-21 18:11:49 +00:00
parent 7a8c36be23
commit 211553dd35
1 changed files with 9 additions and 2 deletions
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11
src/docbkx/book.xml
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@ -538,9 +538,9 @@ String table = "myTable";
admin.disableTable(table); admin.disableTable(table);
HColumnDescriptor cf1 = ...; HColumnDescriptor cf1 = ...;
admin.addColumn(table, cf1 ); // adding new ColumnFamily admin.addColumn(table, cf1); // adding new ColumnFamily
HColumnDescriptor cf2 = ...; HColumnDescriptor cf2 = ...;
admin.modifyColumn(table, cf2 ); // modifying existing ColumnFamily admin.modifyColumn(table, cf2); // modifying existing ColumnFamily
admin.enableTable(table); admin.enableTable(table);
</programlisting> </programlisting>
@ -548,6 +548,13 @@ admin.enableTable(table);
<para>Note: online schema changes are supported in the 0.92.x codebase, but the 0.90.x codebase requires the table <para>Note: online schema changes are supported in the 0.92.x codebase, but the 0.90.x codebase requires the table
to be disabled. to be disabled.
</para> </para>
<section xml:id="schema.updates"><title>Schema Updates</title>
<para>When changes are made to either Tables or ColumnFamilies (e.g., region size, block size), these changes
take effect the next time there is a major compaction and the StoreFiles get re-written.
</para>
<para>See <xref linkend="store"/> for more information on StoreFiles.
</para>
</section>
</section> </section>
<section xml:id="number.of.cfs"> <section xml:id="number.of.cfs">
<title> <title>