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https://issues.apache.org/jira/browse/HAWQ-932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388641#comment-15388641
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ASF GitHub Bot commented on HAWQ-932:
-------------------------------------
Github user sansanichfb commented on a diff in the pull request:
https://github.com/apache/incubator-hawq/pull/803#discussion_r71808647
--- Diff: src/backend/access/external/pxfmasterapi.c ---
@@ -434,5 +434,5 @@ List* get_and_cache_external_metadata(GPHDUri*
hadoop_uri, char *profile, char *
List* get_no_cache_external_metadata(GPHDUri* hadoop_uri, char *profile,
char *pattern, ClientContext *client_context)
{
- return get_external_metadata(hadoop_uri, profile, pattern,
client_context, NULL);
+ return get_external_metadata(hadoop_uri, profile, pattern,
client_context, InvalidOid);
--- End diff --
Fixed warning.
> HAWQ fails to query external table defined with "localhost" in URL
> ------------------------------------------------------------------
>
> Key: HAWQ-932
> URL: https://issues.apache.org/jira/browse/HAWQ-932
> Project: Apache HAWQ
> Issue Type: Bug
> Components: External Tables, PXF
> Reporter: Goden Yao
> Assignee: Oleksandr Diachenko
> Fix For: 2.0.1.0-incubating
>
>
> Originally reported by [~jpatel] when he's making a docker image based on
> HAWQ 2.0.0.0-incubating dev build. Investigated by [~odiachenko]
> There is workaround to define it with 127.0.0.1, but there is not a
> workaround for querying tables using HCatalog integration.
> It used to work before.
> {code}
> template1=# CREATE EXTERNAL TABLE ext_table1 (t1 text, t2 text,
> num1 integer, dub1 double precision) LOCATION
> (E'pxf://localhost:51200/hive_small_data?PROFILE=Hive') FORMAT 'CUSTOM'
> (formatter='pxfwritable_import');*
> CREATE EXTERNAL TABLE
> template1=# select * from ext_table1;
> ERROR: remote component error (0): (libchurl.c:898)*
> {code}
> When I turned on debug mode in curl, I found this error in logs - "*
> Closing connection 0".
> I found a workaround, to set CURLOPT_RESOLVE option in curl:
> {code}
> struct curl_slist *host = NULL;
> host = curl_slist_append(NULL, "localhost:51200:127.0.0.1");*
> set_curl_option(context, CURLOPT_RESOLVE, host);
> {code}
> It seems like an issue with DNS cache,
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