morit****@razil*****
morit****@razil*****
2009年 9月 15日 (火) 20:57:05 JST
森です。
ご指摘ありがとうございます！！
groongaのバグでしたので修正しました。
手元では発生しなくなりました。
>>> SHIDARA Yoji さんは書きました：
> daraです。
>
> "a OR b OR c OR d OR e OR f OR g OR h OR i" のような
> 長いクエリでselectするとSEGVが発生するようです。
>
> groonga commit 6f1092858e9eafd5bfd954e24a512c91339418e1
> Ruby/groonga r667
> で試しています。
>
> 以下のようなコードで確認しました。
>
> #!/usr/bin/env ruby
> $KCODE='u'
> require 'groonga'
>
> Groonga::Database.create(:path => 'db/groonga')
> Groonga::Schema.define do |schema|
> schema.create_table("data", :type => :hash) do |table|
> table.text("text")
> table.time("time")
> end
> schema.create_table("terms",
> :type => :patricia_trie,
> :key_normalize => true,
> :default_tokenizer => "TokenBigram") do |table|
> table.index("data.text")
> end
> end
>
> data = Groonga::Context.default['data']
> data.add('1', :text => "test one two", :time => 0)
> results = data.select { |r| r['text'].match "a OR b OR c OR d OR e OR
> f OR g OR h OR i" }
>
> 実行結果は以下の通りです。
>
> dara ＠ buzztter:~/groonga_test$ gdb --args ruby longquery.rb
> GNU gdb 6.8-debian
> Copyright (C) 2008 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-linux-gnu"...
> (no debugging symbols found)
> (gdb) r
> Starting program: /usr/bin/ruby longquery.rb
> (no debugging symbols found)
> (no debugging symbols found)
> (no debugging symbols found)
> (no debugging symbols found)
> [Thread debugging using libthread_db enabled]
> (no debugging symbols found)
> (no debugging symbols found)
> (no debugging symbols found)
> (no debugging symbols found)
> [New Thread 0x7fb31f74e6e0 (LWP 13740)]
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7fb31f74e6e0 (LWP 13740)]
> 0x00007fb31e141683 in grn_column_index (ctx=0x13afda0, obj=0x147c0c0,
> op=GRN_OP_MATCH,
> indexbuf=0x147c188, buf_size=1) at db.c:5822
> 5822 grn_obj *target = grn_ctx_at(ctx, data->target);
> (gdb) bt
> #0 0x00007fb31e141683 in grn_column_index (ctx=0x13afda0,
> obj=0x147c0c0, op=GRN_OP_MATCH,
> indexbuf=0x147c188, buf_size=1) at db.c:5822
> #1 0x00007fb31e16a95e in scan_info_build (ctx=0x13afda0,
> table=0x13f59c0, expr=0x1477a20,
> n=0x7fff2775a6a8, op=GRN_OP_OR) at db.c:7873
> #2 0x00007fb31e16be93 in grn_table_select (ctx=0x13afda0,
> table=0x13f59c0, expr=0x1477a20,
> res=0x1451c10, op=GRN_OP_OR) at db.c:8091
> #3 0x00007fb31e405235 in rb_grn_table_select (argc=<value optimized out>,
> argv=<value optimized out>, self=140407303049400)
> at /home/dara/local/src/ruby-groonga/ext/rb-grn-table.c:1302
> #4 0x00007fb31f27a6c2 in ?? () from /usr/lib/libruby1.8.so.1.8
> #5 0x00007fb31f27a82a in ?? () from /usr/lib/libruby1.8.so.1.8
> #6 0x00007fb31f2747e0 in ?? () from /usr/lib/libruby1.8.so.1.8
> #7 0x00007fb31f277f80 in ?? () from /usr/lib/libruby1.8.so.1.8
> #8 0x00007fb31f275c02 in ?? () from /usr/lib/libruby1.8.so.1.8
> #9 0x00007fb31f28767b in ?? () from /usr/lib/libruby1.8.so.1.8
> #10 0x00007fb31f2876c5 in ruby_exec () from /usr/lib/libruby1.8.so.1.8
> #11 0x00007fb31f2876f2 in ruby_run () from /usr/lib/libruby1.8.so.1.8
> #12 0x00000000004008b3 in main ()
>
> --
> SHIDARA Yoji
> 本を書きました! http://www.amazon.co.jp/dp/4798119881
>
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>
--
morita