[MCOL-4412] Create Table with longblob column Internal error: Lost connection to DDLProc Created: 2020-11-25  Updated: 2021-02-02  Resolved: 2021-01-18

Status: Closed
Project: MariaDB ColumnStore
Component/s: writeengine
Affects Version/s: 6.1.1
Fix Version/s: 6.1.1

Type: Bug Priority: Major
Reporter: susil.behera Assignee: Alexey Antipovsky (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Environment:

engine: ba4156fe13108c1275944a2eab64b9d184faef33
server: c3d4e5718262c0e385f641fbed055b00397fcbf6
buildNo: 1175

Issue Links:
Relates
relates to MCOL-641 Full DECIMAL support in ColumnStore Closed
relates to MCOL-2000 varchar specified sizing is not in ch... Closed
Sprint: 2020-8

 Description   

CREATE TABLE t3(col LONGBLOB)ENGINE=Columnstore;
ERROR 1815 (HY000): Internal error: Lost connection to DDLProc

This is a regression.

Artifacts: https://cspkg.s3.amazonaws.com/index.html?prefix=develop/cron/1175

 Comments   
Comment by Bharath Bokka (Inactive) [ 2020-11-30 ]

The same issue is seen with LONGTEXT datatype.

CREATE TABLE t1(col LONGTEXT)ENGINE=Columnstore;
ERROR 1815 (HY000): Internal error: Lost connection to DDLProc

Comment by Roman [ 2020-12-30 ]

The actual SEGV causes WE to crash trying to allocate 2Gigs of RAM on the stack b/c of the changes introduced by commit 824615a55b.

Comment by Roman [ 2020-12-30 ]

The MTR test for 2000 has been altered or disabled b/c of 4412.

Comment by Roman [ 2021-01-18 ]

Plz review.

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