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Added tmp_disk_table_size to limit size of Aria temp tables in tmpdir

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- Added variable tmp_disk_table_size
- Added variable tmp_memory_table_size as an alias for tmp_table_size
- Changed internal variable tmp_table_size to tmp_memory_table_size
- create_info.data_file_length is now set with tmp_disk_table_size
- Fixed that Aria doesn't reset max_data_file_length for internal tables
- Added status flag if table is full so that we can detect this on next insert.
  This ensures that the table is always 'correct', but we get the error one
  row after the row that grow the table too big.
- Removed some mutex lock for internal temporary tables
This commit is contained in:
Monty
2017-06-30 17:56:58 +03:00
parent 9f484b63f1
commit dd8474b1dc
18 changed files with 882 additions and 35 deletions
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3
sql/sql_class.h
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@ -536,7 +536,8 @@ typedef struct system_variables
uint dynamic_variables_size; /* how many bytes are in use */
ulonglong max_heap_table_size;
ulonglong tmp_table_size;
ulonglong tmp_memory_table_size;
ulonglong tmp_disk_table_size;
ulonglong long_query_time;
ulonglong max_statement_time;
ulonglong optimizer_switch;