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https://issues.apache.org/jira/browse/HBASE-14296?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14711758#comment-14711758
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Enis Soztutar commented on HBASE-14296:
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bq. I was thinking about adding a exist() before returning a table instance but
it will be a RPC call.
I think this is too expensive. In most of the cases getTable() should be
relatively cheap, we even cache the configuration options via
TableConfiguration object to not to pay the parsing cost in Table
instantiation. The clients can very easily wrap the call in an Admin.exists()
if they are interested.
> ConnectionManager should validate the table existence before returning the
> table instance
> -----------------------------------------------------------------------------------------
>
> Key: HBASE-14296
> URL: https://issues.apache.org/jira/browse/HBASE-14296
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 2.0.0, 1.2.0, 0.98.15
> Reporter: Pankaj Kumar
> Assignee: Pankaj Kumar
> Priority: Minor
>
> Table instance should be returned only when table exist.
> {code}
> public HTableInterface getTable(TableName tableName, ExecutorService
> pool) throws IOException {
> if (managed) {
> throw new NeedUnmanagedConnectionException();
> }
> return new HTable(tableName, this, tableConfig, rpcCallerFactory,
> rpcControllerFactory, pool);
> }
> {code}
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