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INSERT INTO "testVarcharToClob" VALUES ('value1');
INSERT INTO "testVarcharToClob" VALUES ('value2');
ALTER TABLE "testVarcharToClob" add "clobColumn" TEXT NULL;
UPDATE "testVarcharToClob" SET "clobColumn" = "varcharColumn";
ALTER TABLE "testVarcharToClob" drop "varcharColumn";
Everything is good up to this point.
In the second connection I submit the query
INSERT INTO "testVarcharToClob" VALUES ('value3');
which causes the monetdb server to crash.
Reproducible: Always
Steps to Reproduce:
Open two connections to the same Monetdb instance
Create a table, and use the ALTER TABLE statement as in Details
Date: 2020-02-05 12:55:01 +0100
From: Manuel <>
To: SQL devs <>
Version: 11.35.9 (Nov2019-SP1)
CC: @PedroTadim
Last updated: 2020-02-21 12:36:58 +0100
Comment 27536
Date: 2020-02-05 12:55:01 +0100
From: Manuel <>
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36
Build Identifier:
I am using SQuirrel configured to connect to a monetdb instance running the latest version.
I open two connections to the same database instance.
On the first I submit the following SQL:
CREATE TABLE "testVarcharToClob" ("varcharColumn" varchar(255));
INSERT INTO "testVarcharToClob" VALUES ('value1');
INSERT INTO "testVarcharToClob" VALUES ('value2');
ALTER TABLE "testVarcharToClob" add "clobColumn" TEXT NULL;
UPDATE "testVarcharToClob" SET "clobColumn" = "varcharColumn";
ALTER TABLE "testVarcharToClob" drop "varcharColumn";
Everything is good up to this point.
In the second connection I submit the query
INSERT INTO "testVarcharToClob" VALUES ('value3');
which causes the monetdb server to crash.
Reproducible: Always
Steps to Reproduce:
Actual Results:
Mserver5 crashes.
Comment 27537
Date: 2020-02-05 14:07:24 +0100
From: MonetDB Mercurial Repository <>
Changeset a1c1e2b1a7d7 made by Pedro Ferreira pedro.ferreira@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=a1c1e2b1a7d7
Changeset description:
Comment 27542
Date: 2020-02-13 14:10:31 +0100
From: MonetDB Mercurial Repository <>
Changeset efd1634b5dc2 made by Martin van Dinther martin.van.dinther@monetdbsolutions.com in the MonetDB repo, refers to this bug.
For complete details, see https//devmonetdborg/hg/MonetDB?cmd=changeset;node=efd1634b5dc2
Changeset description:
The text was updated successfully, but these errors were encountered: