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https://issues.apache.org/jira/browse/TRAFODION-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828597#comment-15828597
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ASF GitHub Bot commented on TRAFODION-2440:
-------------------------------------------
Github user sandhyasun commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/915#discussion_r96711995
--- Diff: core/sql/exp/ExpLOBaccess.h ---
@@ -515,7 +515,7 @@ class ExLob
public:
- char lobDataFile_[MAX_LOB_FILE_NAME_LEN];
+ string lobDataFile_; // TODO: change to NAString when ExLobCursor is
allocated off of an NAHeap
--- End diff --
Can this not be allocated from NAString now ? The ExLob class which
contains this is allocated from the executor heap.
> Accessing a Hive table with long names results in error 8436
> ------------------------------------------------------------
>
> Key: TRAFODION-2440
> URL: https://issues.apache.org/jira/browse/TRAFODION-2440
> Project: Apache Trafodion
> Issue Type: Bug
> Components: -exe, sql-exe
> Affects Versions: 2.1-incubating
> Reporter: David Wayne Birdsall
> Assignee: David Wayne Birdsall
>
> If we use a long Hive database name and a long Hive table name, attempts to
> select from that table from Trafodion fail with SQL error 8436.
> Example: Use the following hive script to create a table via the Hive shell:
> drop database if exists
> Trafodion2434abcdabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> cascade;
> create database
> Trafodion2434abcdabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> use
> Trafodion2434abcdabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> drop table if exists
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789;
> create table
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> (
> Column01 int,
> Column02 string
> ) clustered by (Column01) sorted by (Column01) into 4 buckets row format
> delimited fields terminated by '|';
> insert into
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> values
> (1,'one');
>
> insert into
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> values
> (2,'two');
> insert into
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> values
> (3,'three');
> insert into
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> values
> (4,'four');
> select * from
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> exit;
> Next, do the following in sqlci:
> control query default HIVE_MAX_STRING_LENGTH '10';
> set schema
> hive.Trafodion2434abcdabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> showddl
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> select * from
> ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> ;
> This will fail as follows:
> >>control query default HIVE_MAX_STRING_LENGTH '10';
> --- SQL operation complete.
> >>
> >>set schema
> >>hive.Trafodion2434abcdabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> +>;
> --- SQL operation complete.
> >>
> >>showddl
> >>ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> +>;
> /* Hive DDL */
> CREATE TABLE
> PROBLEMTABLESTR1ABCDEFABCDEFGHIJABCDEFGHIJ01234567890123456789012345678901234567890123456789012345678901234567890123456789
> (
> COLUMN01 int
> , COLUMN02 string
> )
> stored as textfile
> ;
> --- SQL operation complete.
> >>
> >>select * from
> >>ProblemTableSTR1abcdefabcdefghijabcdefghij01234567890123456789012345678901234567890123456789012345678901234567890123456789
> +>;
> *** ERROR[8436] Mismatch detected between compiletime and runtime hive table
> definitions. DataModMismatchDetails:
> --- 0 row(s) selected.
> >>
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