MDEV-20423 Assertion `0' failed or `btr_validate_index(index, 0, false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL

4 files changed, 101 insertions, 0 deletions

diff --git a/mysql-test/suite/vcol/r/vcol_sql_mode_datetime.result b/mysql-test/suite/vcol/r/vcol_sql_mode_datetime.result
index dab13af5fff..151b95095a8 100644
--- a/mysql-test/suite/vcol/r/vcol_sql_mode_datetime.result
+++ b/mysql-test/suite/vcol/r/vcol_sql_mode_datetime.result
@@ -97,5 +97,29 @@ UPDATE IGNORE t1 SET d = NOW();
 DROP TABLE t1;
 SET sql_mode=DEFAULT;
 #
+# MDEV-20423 Assertion `0' failed or `btr_validate_index(index, 0, false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL
+#
+CREATE TABLE t1 (
+a DATETIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (CAST(a AS DATETIME(3))) VIRTUAL,
+KEY (v)
+);
+Warnings:
+Warning	1901	Function or expression 'cast(`a` as datetime(3))' cannot be used in the GENERATED ALWAYS AS clause of `v`
+Warning	1105	Expression depends on the @@sql_mode value TIME_ROUND_FRACTIONAL
+DROP TABLE t1;
+CREATE TABLE t1 (
+a DATETIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (TRUNCATE(a,3)) VIRTUAL,
+KEY (v)
+);
+DROP TABLE t1;
+CREATE TABLE t1 (
+a DATETIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (ROUND(a,3)) VIRTUAL,
+KEY (v)
+);
+DROP TABLE t1;
+#
 # End of 10.4 tests
 #
diff --git a/mysql-test/suite/vcol/r/vcol_sql_mode_time.result b/mysql-test/suite/vcol/r/vcol_sql_mode_time.result
index 8f72cd89a08..adf650fff9f 100644
--- a/mysql-test/suite/vcol/r/vcol_sql_mode_time.result
+++ b/mysql-test/suite/vcol/r/vcol_sql_mode_time.result
@@ -97,5 +97,29 @@ UPDATE IGNORE t1 SET d = CURRENT_TIME;
 DROP TABLE t1;
 SET sql_mode=DEFAULT;
 #
+# MDEV-20423 Assertion `0' failed or `btr_validate_index(index, 0, false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL
+#
+CREATE TABLE t1 (
+a TIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (CAST(a AS TIME(3))) VIRTUAL,
+KEY (v)
+);
+Warnings:
+Warning	1901	Function or expression 'cast(`a` as time(3))' cannot be used in the GENERATED ALWAYS AS clause of `v`
+Warning	1105	Expression depends on the @@sql_mode value TIME_ROUND_FRACTIONAL
+DROP TABLE t1;
+CREATE TABLE t1 (
+a TIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (TRUNCATE(a,3)) VIRTUAL,
+KEY (v)
+);
+DROP TABLE t1;
+CREATE TABLE t1 (
+a TIME(6),
+v VARCHAR(30) GENERATED ALWAYS AS (ROUND(a,3)) VIRTUAL,
+KEY (v)
+);
+DROP TABLE t1;
+#
 # End of 10.4 tests
 #
diff --git a/mysql-test/suite/vcol/t/vcol_sql_mode_datetime.test b/mysql-test/suite/vcol/t/vcol_sql_mode_datetime.test
index 5e0e611949d..bef1e09b719 100644
--- a/mysql-test/suite/vcol/t/vcol_sql_mode_datetime.test
+++ b/mysql-test/suite/vcol/t/vcol_sql_mode_datetime.test
@@ -106,6 +106,32 @@ UPDATE IGNORE t1 SET d = NOW();
 DROP TABLE t1;
 SET sql_mode=DEFAULT;
 
+--echo #
+--echo # MDEV-20423 Assertion `0' failed or `btr_validate_index(index, 0, false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL
+--echo #
+
+#--error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED
+CREATE TABLE t1 (
+  a DATETIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (CAST(a AS DATETIME(3))) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  a DATETIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (TRUNCATE(a,3)) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  a DATETIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (ROUND(a,3)) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
 
 --echo #
 --echo # End of 10.4 tests
diff --git a/mysql-test/suite/vcol/t/vcol_sql_mode_time.test b/mysql-test/suite/vcol/t/vcol_sql_mode_time.test
index f06871b6ebc..05160a43ebb 100644
--- a/mysql-test/suite/vcol/t/vcol_sql_mode_time.test
+++ b/mysql-test/suite/vcol/t/vcol_sql_mode_time.test
@@ -108,5 +108,32 @@ SET sql_mode=DEFAULT;
 
 
 --echo #
+--echo # MDEV-20423 Assertion `0' failed or `btr_validate_index(index, 0, false)' in row_upd_sec_index_entry or error code 126: Index is corrupted upon DELETE with TIME_ROUND_FRACTIONAL
+--echo #
+
+#--error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED
+CREATE TABLE t1 (
+  a TIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (CAST(a AS TIME(3))) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  a TIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (TRUNCATE(a,3)) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
+CREATE TABLE t1 (
+  a TIME(6),
+  v VARCHAR(30) GENERATED ALWAYS AS (ROUND(a,3)) VIRTUAL,
+  KEY (v)
+);
+DROP TABLE t1;
+
+
+--echo #
 --echo # End of 10.4 tests
 --echo #