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merge some docs changes and a test case; null merge the code.

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(we don't need to port the actual code from 5.1;
5.5+ do the relevant things differently, but correctly. the
test obviously is so it stays that way.)
This commit is contained in:
Tatiana A. Nurnberg
2010-11-25 03:50:16 +00:00
parent ee2b93944b 3a15cb6ce9
commit 94cb45b3e6
3 changed files with 81 additions and 7 deletions
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33
mysql-test/r/variables.result
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@ -1511,6 +1511,39 @@ SELECT @@skip_name_resolve;
SHOW VARIABLES LIKE 'skip_name_resolve'; SHOW VARIABLES LIKE 'skip_name_resolve';
Variable_name Value Variable_name Value
skip_name_resolve OFF skip_name_resolve OFF
#
# Bug #43233 : Some server variables are clipped during "update,"
# not "check" stage
#
SET @kbs=@@global.key_buffer_size;
SET @kcbs=@@global.key_cache_block_size;
throw errors in STRICT mode
SET SQL_MODE=STRICT_ALL_TABLES;
SET @@global.max_binlog_cache_size=-1;
ERROR 42000: Variable 'max_binlog_cache_size' can't be set to the value of '-1'
SET @@global.max_join_size=0;
ERROR 42000: Variable 'max_join_size' can't be set to the value of '0'
SET @@global.key_buffer_size=0;
ERROR HY000: Cannot drop default keycache
SET @@global.key_cache_block_size=0;
ERROR 42000: Variable 'key_cache_block_size' can't be set to the value of '0'
throw warnings in default mode
SET SQL_MODE=DEFAULT;
SET @@global.max_binlog_cache_size=-1;
Warnings:
Warning 1292 Truncated incorrect max_binlog_cache_size value: '-1'
SET @@global.max_join_size=0;
Warnings:
Warning 1292 Truncated incorrect max_join_size value: '0'
SET @@global.key_buffer_size=0;
ERROR HY000: Cannot drop default keycache
SET @@global.key_cache_block_size=0;
Warnings:
Warning 1292 Truncated incorrect key_cache_block_size value: '0'
SET @@global.max_binlog_cache_size=DEFAULT;
SET @@global.max_join_size=DEFAULT;
SET @@global.key_buffer_size=@kbs;
SET @@global.key_cache_block_size=@kcbs;
End of 5.1 tests End of 5.1 tests
# #

44
mysql-test/t/variables.test
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@ -1243,6 +1243,50 @@ SET GLOBAL max_binlog_cache_size = @old_max_binlog_cache_size;
SELECT @@skip_name_resolve; SELECT @@skip_name_resolve;
SHOW VARIABLES LIKE 'skip_name_resolve'; SHOW VARIABLES LIKE 'skip_name_resolve';
--echo #
--echo # Bug #43233 : Some server variables are clipped during "update,"
--echo # not "check" stage
--echo #
SET @kbs=@@global.key_buffer_size;
SET @kcbs=@@global.key_cache_block_size;
--echo throw errors in STRICT mode
SET SQL_MODE=STRICT_ALL_TABLES;
# sys_var_ulonglong_ptr: sys_max_binlog_cache_size
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.max_binlog_cache_size=-1;
# sys_var_thd_ha_rows: "max_join_size" et al.
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.max_join_size=0;
# sys_var_key_buffer_size: "key_buffer_size"
--error ER_WARN_CANT_DROP_DEFAULT_KEYCACHE
SET @@global.key_buffer_size=0;
# sys_var_key_cache_long: "key_cache_block_size" et al.
--error ER_WRONG_VALUE_FOR_VAR
SET @@global.key_cache_block_size=0;
--echo throw warnings in default mode
SET SQL_MODE=DEFAULT;
SET @@global.max_binlog_cache_size=-1;
SET @@global.max_join_size=0;
# this is an exception. since this is a new error/warning, let's stay
# compatible with the upcoming 5.6.
--error ER_WARN_CANT_DROP_DEFAULT_KEYCACHE
SET @@global.key_buffer_size=0;
SET @@global.key_cache_block_size=0;
# cleanup
SET @@global.max_binlog_cache_size=DEFAULT;
SET @@global.max_join_size=DEFAULT;
SET @@global.key_buffer_size=@kbs;
SET @@global.key_cache_block_size=@kcbs;
--echo End of 5.1 tests --echo End of 5.1 tests
########################################################################### ###########################################################################

11
strings/CHARSET_INFO.txt
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@ -208,14 +208,11 @@ charpos() - calculates the offset of the given position in the string.
Used in SQL functions LEFT(), RIGHT(), SUBSTRING(), Used in SQL functions LEFT(), RIGHT(), SUBSTRING(),
INSERT() INSERT()
well_formed_length() well_formed_len()
- finds the length of correctly formed multi-byte beginning. - returns length of a given multi-byte string in bytes
Used in INSERTs to cut a beginning of the given string Used in INSERTs to shorten the given string so it
which is a) is "well formed" according to the given character set
a) "well formed" according to the given character set.
b) can fit into the given data type b) can fit into the given data type
Terminates the string in the good position, taking in account
multi-byte character boundaries.
lengthsp() - returns the length of the given string without trailing spaces. lengthsp() - returns the length of the given string without trailing spaces.