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MDEV-31608 - Connector/NET fails to connect since 10.10

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Connector/NET does not expect collation IDs returned by "show collations"
to be NULL, runs into an exception.

The fix is to determine connector/net using its connection attributes,
then make sure "show collations" does not output NULL IDs.

The patch introduces new old_mode NO_NULL_COLLATION_IDs, that is
automatically set, once MySQL Connector/NET connection is determined.

A test was added, that uses MySql.Data from powershell - only works
if MySql.Data is installed into GAC (i.e with C/NET MSI package)
This commit is contained in:
Vladislav Vaintroub
2023-10-06 22:36:32 +02:00
parent 6d0bcfc4b9
commit 9d07b0520c
15 changed files with 148 additions and 20 deletions
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4
mysql-test/suite/sys_vars/r/old_mode_basic.result
View File

@@ -114,8 +114,8 @@ SET @@global.old_mode = 4;
SELECT @@global.old_mode;
@@global.old_mode
ZERO_DATE_TIME_CAST
SET @@global.old_mode = 64;
ERROR 42000: Variable 'old_mode' can't be set to the value of '64'
SET @@global.old_mode = 128;
ERROR 42000: Variable 'old_mode' can't be set to the value of '128'
SELECT @@global.old_mode;
@@global.old_mode
ZERO_DATE_TIME_CAST

2
mysql-test/suite/sys_vars/r/sysvars_server_embedded.result
View File

@@ -2299,7 +2299,7 @@ VARIABLE_COMMENT Used to emulate old behavior from earlier MariaDB or MySQL vers
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NO_DUP_KEY_WARNINGS_WITH_IGNORE,NO_PROGRESS_INFO,ZERO_DATE_TIME_CAST,UTF8_IS_UTF8MB3,IGNORE_INDEX_ONLY_FOR_JOIN,COMPAT_5_1_CHECKSUM
ENUM_VALUE_LIST NO_DUP_KEY_WARNINGS_WITH_IGNORE,NO_PROGRESS_INFO,ZERO_DATE_TIME_CAST,UTF8_IS_UTF8MB3,IGNORE_INDEX_ONLY_FOR_JOIN,COMPAT_5_1_CHECKSUM,NO_NULL_COLLATION_IDS
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME OLD_PASSWORDS

2
mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
View File

@@ -2469,7 +2469,7 @@ VARIABLE_COMMENT Used to emulate old behavior from earlier MariaDB or MySQL vers
NUMERIC_MIN_VALUE NULL
NUMERIC_MAX_VALUE NULL
NUMERIC_BLOCK_SIZE NULL
ENUM_VALUE_LIST NO_DUP_KEY_WARNINGS_WITH_IGNORE,NO_PROGRESS_INFO,ZERO_DATE_TIME_CAST,UTF8_IS_UTF8MB3,IGNORE_INDEX_ONLY_FOR_JOIN,COMPAT_5_1_CHECKSUM
ENUM_VALUE_LIST NO_DUP_KEY_WARNINGS_WITH_IGNORE,NO_PROGRESS_INFO,ZERO_DATE_TIME_CAST,UTF8_IS_UTF8MB3,IGNORE_INDEX_ONLY_FOR_JOIN,COMPAT_5_1_CHECKSUM,NO_NULL_COLLATION_IDS
READ_ONLY NO
COMMAND_LINE_ARGUMENT REQUIRED
VARIABLE_NAME OLD_PASSWORDS

2
mysql-test/suite/sys_vars/t/old_mode_basic.test
View File

@@ -172,7 +172,7 @@ SET @@global.old_mode = 4;
SELECT @@global.old_mode;
--Error ER_WRONG_VALUE_FOR_VAR
SET @@global.old_mode = 64;
SET @@global.old_mode = 128;
SELECT @@global.old_mode;
# use of decimal values