From 9c8ae6dca50534eeb08a9f8837f4e28c80688740 Mon Sep 17 00:00:00 2001
From: Alexander Barkov <bar@mariadb.com>
Date: Tue, 15 Aug 2023 09:36:38 +0400
Subject: [PATCH] MDEV-24797 Column Compression - ERROR 1265 (01000): Data
 truncated for column

Fix issue was earlier fixed by MDEV-31724. Only adding MTR tests.
---
 mysql-test/main/column_compression.result | 11 +++++++++++
 mysql-test/main/column_compression.test   | 15 +++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/mysql-test/main/column_compression.result b/mysql-test/main/column_compression.result
index e3bccd5f0de..bea6f2d3998 100644
--- a/mysql-test/main/column_compression.result
+++ b/mysql-test/main/column_compression.result
@@ -2908,5 +2908,16 @@ DROP TABLE t1;
 SET @@column_compression_threshold=DEFAULT;
 DROP FUNCTION f1;
 #
+# MDEV-24797 Column Compression - ERROR 1265 (01000): Data truncated for column
+#
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=MyISAM;
+INSERT INTO t1 SET a=REPEAT('x',127);
+ALTER TABLE t1 FORCE, ALGORITHM=COPY;
+DROP TABLE t1;
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=InnoDB;
+INSERT INTO t1 SET a=REPEAT('x',127);
+ALTER TABLE t1 FORCE, ALGORITHM=COPY;
+DROP TABLE t1;
+#
 # End of 10.4 tests
 #
diff --git a/mysql-test/main/column_compression.test b/mysql-test/main/column_compression.test
index 29e0218749c..84870f539e8 100644
--- a/mysql-test/main/column_compression.test
+++ b/mysql-test/main/column_compression.test
@@ -438,6 +438,21 @@ SET @@column_compression_threshold=DEFAULT;
 
 DROP FUNCTION f1;
 
+--echo #
+--echo # MDEV-24797 Column Compression - ERROR 1265 (01000): Data truncated for column
+--echo #
+
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=MyISAM;
+INSERT INTO t1 SET a=REPEAT('x',127);
+ALTER TABLE t1 FORCE, ALGORITHM=COPY;
+DROP TABLE t1;
+
+CREATE TABLE t1 (a VARCHAR(500) COMPRESSED CHARACTER SET utf8mb3) ENGINE=InnoDB;
+INSERT INTO t1 SET a=REPEAT('x',127);
+ALTER TABLE t1 FORCE, ALGORITHM=COPY;
+DROP TABLE t1;
+
+
 --echo #
 --echo # End of 10.4 tests
 --echo #