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CREATE TABLE t1 (b LONGBLOB);
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INSERT INTO t1 VALUES ('2'), ('3'), ('2');
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SELECT b FROM t1 UNION SELECT 1;
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No need to add the test case to the MTR suite, it already exists in buildbot and fails there, see for example http://buildbot.askmonty.org/buildbot/builders/work-amd64-valgrind/builds/4338/steps/test/logs/stdio
==1349== Conditional jump or move depends on uninitialised value(s)
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==1349== at 0x6E086A: select_union::send_data(List<Item>&) (sql_union.cc:94)
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==1349== by 0x67E79E: end_send(JOIN*, st_join_table*, bool) (sql_select.cc:17946)
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==1349== by 0x67C671: evaluate_join_record(JOIN*, st_join_table*, int) (sql_select.cc:17059)
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==1349== by 0x67C0FC: sub_select(JOIN*, st_join_table*, bool) (sql_select.cc:16876)
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==1349== by 0x67B823: do_select(JOIN*, List<Item>*, TABLE*, Procedure*) (sql_select.cc:16507)
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==1349== by 0x65A539: JOIN::exec_inner() (sql_select.cc:2997)
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==1349== by 0x657808: JOIN::exec() (sql_select.cc:2296)
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==1349== by 0x6E2674: st_select_lex_unit::exec() (sql_union.cc:665)
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==1349== by 0x6E05AE: mysql_union(THD*, LEX*, select_result*, st_select_lex_unit*, unsigned long) (sql_union.cc:38)
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==1349== by 0x6514A0: handle_select(THD*, LEX*, select_result*, unsigned long) (sql_select.cc:354)
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==1349== by 0x624F83: execute_sqlcom_select(THD*, TABLE_LIST*) (sql_parse.cc:4846)
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==1349== by 0x61D573: mysql_execute_command(THD*) (sql_parse.cc:2278)
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==1349== by 0x6277EE: mysql_parse(THD*, char*, unsigned int, Parser_state*) (sql_parse.cc:5969)
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==1349== by 0x61A828: dispatch_command(enum_server_command, THD*, char*, unsigned int) (sql_parse.cc:1094)
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==1349== by 0x619D26: do_command(THD*) (sql_parse.cc:810)
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==1349== by 0x738E22: do_handle_one_connection(THD*) (sql_connect.cc:1266)
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86: bool is_duplicate;
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87: /* create_internal_tmp_table_from_heap will generate error if needed */
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88: if (table->file->is_fatal_error(write_err, HA_CHECK_DUP) &&
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89: create_internal_tmp_table_from_heap(thd, table,
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90: tmp_table_param.start_recinfo,
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91: &tmp_table_param.recinfo,
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92: write_err, 1, &is_duplicate))
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93: return 1;
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94: if (is_duplicate)
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95: return -1;
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96: }
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97: return 0;
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98:}
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bzr version-info
revision-id: sergii@pisem.net-20130717192429-9cttx7c6606u7xly
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revno: 3672
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branch-nick: 10.0-base
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