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# Copyright (C) 2010 Patrick Crews. All rights reserved.
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# Use is subject to license terms.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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# This grammar is designed to generate a transactional workload for validating transaction handling and replication
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# This is still a work in progress and is likely to change.
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# We are generating a fair number of invalid queries and we could tighten things up, however,
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# we have found a number of bugs with this grammar as it currently exists.
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transaction | transaction |
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# update_innodb_dict_size
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transaction | transaction | transaction | normal_query ;
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#update_innodb_dict_size:
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# SET innodb_dict_size_limit = innodb_dict_value ;
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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insert_query | update | delete |
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SAVEPOINT A /*Generated by THREAD_ID _thread_id*/ |
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ROLLBACK TO SAVEPOINT A /*Generated by THREAD_ID _thread_id*/ ;
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normal_query_list ; normal_query ; normal_query ; normal_query ; normal_query ; normal_query |
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normal_query ; normal_query ; normal_query ; normal_query ; normal_query ; normal_query |
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normal_query ; normal_query ; normal_query ; normal_query ;
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SET AUTOCOMMIT=OFF /*Generated by THREAD_ID _thread_id*/ ; START TRANSACTION /*Generated by THREAD_ID _thread_id*/ ; normal_query_list ; end_transaction ; SET AUTOCOMMIT=ON /*Generated by THREAD_ID _thread_id*/ ;
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COMMIT /*Generated by THREAD_ID _thread_id*/|
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COMMIT /*Generated by THREAD_ID _thread_id*/|
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COMMIT /*Generated by THREAD_ID _thread_id*/|
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COMMIT /*Generated by THREAD_ID _thread_id*/|
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COMMIT /*Generated by THREAD_ID _thread_id*/|
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ROLLBACK /*Generated by THREAD_ID _thread_id*/;
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SELECT select_list FROM join_list where LIMIT large_digit for_update_lock_in_share_mode /*Generated by THREAD_ID _thread_id*/ ;
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X . _field_key | X . _field_key |
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SELECT _field_key FROM _table WHERE `pk` = value ;
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# Use index for all joins
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_table AS X LEFT JOIN _table AS Y USING ( _field_key );
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for_update_lock_in_share_mode:
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insert_replace INTO _table ( insert_column_list )
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SELECT insert_column_list
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FROM _table where_insert
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ORDER BY _field_list LIMIT insert_limit /*Generated by THREAD_ID _thread_id*/;
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INSERT | INSERT | INSERT | INSERT | INSERT |
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INSERT | INSERT | INSERT | INSERT | INSERT |
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# We use a set column list because even though all tables have the same
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# columns, each table has a different order of those columns for
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# enhanced randomness
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`col_char_10` , `col_char_10_key` , `col_char_10_not_null` , `col_char_10_not_null_key` ,
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`col_char_255` , `col_char_255_key` , `col_char_255_not_null` , `col_char_255_not_null_key` ,
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`col_int` , `col_int_key` , `col_int_not_null` , `col_int_not_null_key` ,
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`col_bigint` , `col_bigint_key` , `col_bigint_not_null` , `col_bigint_not_null_key` ,
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`col_enum` , `col_enum_key` , `col_enum_not_null` , `col_enum_not_null_key`
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UPDATE _table SET update_clause where_insert ORDER BY _field_list LIMIT large_digit /* 'foo' Generated by THREAD_ID _thread_id*/ ;
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no_pk_int_field_name = int_value ;
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# We use a smaller limit on DELETE so that we delete less than we insert
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DELETE FROM _table where_insert ORDER BY _field_list LIMIT small_digit /*Generated by THREAD_ID _thread_id*/ ;
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| ORDER BY X . _field_key ;
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# Use an index at all times
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WHERE X . char_field_name != 'If you need to translate Views labels into other languages, consider installing the <a href=\" !path\">Internationalization</a> package\'s Views translation module.' |
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WHERE X . int_field_name BETWEEN _tinyint_unsigned AND _int_unsigned ;
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# only used in select's, but causing crashes on bad
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# compares like enum to int
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WHERE X . _field_key = ( subselect ) ;
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WHERE int_field_name compare_operator int_value |
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WHERE char_field_name compare_operator char_value |
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WHERE int_field_name IN (int_value_list) |
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WHERE char_field_name IN (char_value_list) |
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WHERE int_field_name BETWEEN int_value AND int_value |
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WHERE int_field BETWEEN _tinyint_unsigned AND _int_unsigned |
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WHERE int_field BETWEEN small_digit AND large_digit |
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# rules to introduce some fuzz testing
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# we deliberately allow the chance of bad
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# comparisons here to see what happens
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WHERE _field_key = ( subselect ) |
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WHERE _field_key compare_operator value |
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WHERE _field_key IN ( subselect ) ;
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= | = | = | = | < | > | <= | >= | != ;
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_digit | _digit | large_digit | small_digit |
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_digit | insert_limit | _tinyint_unsigned |
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_digit | _digit | large_digit | small_digit |
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_digit | insert_limit | _tinyint_unsigned |
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int_value_list, int_value | int_value | int_value ;
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_char | _char | _quid | '\\\'' | '\\"';
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char_value_list, char_value | char_value | char_value ;
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`pk` | `col_int_key` | `col_int` |
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`col_bigint` | `col_bigint_key` |
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`col_int_not_null` | `col_int_not_null_key` ;
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no_pk_int_field_name:
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`col_int_key` | `col_int` |
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`col_bigint` | `col_bigint_key` |
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`col_int_not_null` | `col_int_not_null_key` ;
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`col_char_10` | `col_char_10_key`| `col_char_10_not_null_key` | `col_char_10_not_null` |
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`col_char_255` | `col_char_255_key` | `col_char_255_not_null` | `col_char_255_not_null_key` ;
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10 | 10 | 25 | 25 | 25 | 25 | 50 | 50 | 100 ;
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_digit | _tinyint_unsigned | _varchar(1) | _int_unsigned ;