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Reseting -> Resetting
Unknow -> Unknown
capabilites -> capabilities
choosen -> chosen
direcory -> directory
informations -> information
openned -> opened
refered -> referred
to access -> one to access
missmatch -> mismatch
succesfully -> successfully
dont -> don't
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don't allow group_concat_max_len values >= 4Gb
(they never worked anyway)
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- Rewrote bool Query_compressed_log_event::write() to make it more readable
(no logic changes).
- Changed DBUG_PRINT of 'is_error:' to 'is_error():' to make it easier to
find error: in traces.
- Ensure that 'db' is never null in Query_log_event (Simplified code).
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The real problem was that attempt to roll back cahnes after end of memory in QC was made incorrectly and lead to using uninitialized memory.
(bug has nothing to do with resize operation, it is just lack of resources erro processed incorrectly)
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As it is included from my_global.h already.
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This applies to large allocations.
This maps to the way Linux does it in MDEV-10814 except FreeBSD uses
different constants.
Adjust error string to match to implementation.
Tested on FreeBSD-12.0
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Use alloc() if we don't need original string (avoid copy)
Removed not needed test of str_length in sql_string.cc
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Added to:
- if (error)
- Lex
- sql_yacc.yy and sql_yacc_ora.yy
- In header files to alloc() calls
- Added thd argument to thd_net_is_killed()
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merge fix: additional_data_size is a size_t class Query_cache member.
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The problem was in such scenario:
T1 - starts registering query and locked QC
T2 - starts disabling QC and wait for UNLOCK
T1 - unlock QC
T2 - disable QC and destroy signals without waiting for query unlock
T1 a) - not yet unlocked query in qc and crash on attempt to unlock because
QC signals are destroyed
b) if above was done before destruction, it execute end_of results first
time at exit on after try_lock which see QC disables and return TRUE.
But it do not reset query_cache_tls->first_query_block which lead to
second call of end_of_result when diagnostic arena has already
inappropriate status (not is_eof()).
Fix is:
1) wait for all queries unlocked before destroying them by locking and
unlocking
2) remove query_cache_tls->first_query_block if QC disabled
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'size_t' to 'type', possible loss of data)
Handle string length as size_t, consistently (almost always:))
Change function prototypes to accept size_t, where in the past
ulong or uint were used. change local/member variables to size_t
when appropriate.
This fix excludes rocksdb, spider,spider, sphinx and connect for now.
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This was done in, among other things:
- thd->db and thd->db_length
- TABLE_LIST tablename, db, alias and schema_name
- Audit plugin database name
- lex->db
- All db and table names in Alter_table_ctx
- st_select_lex db
Other things:
- Changed a lot of functions to take const LEX_CSTRING* as argument
for db, table_name and alias. See init_one_table() as an example.
- Changed some function arguments from LEX_CSTRING to const LEX_CSTRING
- Changed some lists from LEX_STRING to LEX_CSTRING
- threads_mysql.result changed because process list_db wasn't always
correctly updated
- New append_identifier() function that takes LEX_CSTRING* as arguments
- Added new element tmp_buff to Alter_table_ctx to separate temp name
handling from temporary space
- Ensure we store the length after my_casedn_str() of table/db names
- Removed not used version of rename_table_in_stat_tables()
- Changed Natural_join_column::table_name and db_name() to never return
NULL (used for print)
- thd->get_db() now returns db as a printable string (thd->db.str or "")
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This only occurs non-DEBUG builds. Its main purpose is to
save space in the core dump from elements not usually useful.
Signed-off-by: Daniel Black <daniel@linux.vnet.ibm.com>
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TODO: enable MDEV-13049 optimization for 10.3
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some ulonglong variables were printed as %lu
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- Fix win64 pointer truncation warnings
(usually coming from misusing 0x%lx and long cast in DBUG)
- Also fix printf-format warnings
Make the above mentioned warnings fatal.
- fix pthread_join on Windows to set return value.
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Added hit_count field to Query_cache_query and methods to get and increment it.
The counter is incremented when query results are read from query cache.
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