【问题标题】:Sphinx search: charset table difficultiesSphinx 搜索:字符集表的困难
【发布时间】:2011-10-03 16:22:36
【问题描述】:

这两天我脑子里一片空白……

我想在 sphinx 搜索中使用斯洛文尼亚字母,所有英文字母 + č ž š(以防万一)

我在网上四处寻找正确的字符,但我发现蹲...

所以我决定一步一步自己做……

这是我的索引

index classifieds
{
    source          = classifieds_src
    path            = c:\Sphinx\data\classifieds
    docinfo         = extern

    min_infix_len       = 2
    infix_fields        = title,keywords,summary,text
    expand_keywords     = 1
    enable_star     = 1


    charset_type        = utf-8
    charset_table = 0..9, a..z, _, A..Z->a..z,-, U+002C, \
    U+010C->U+010D, U+0106->U+0107, U+0160->U+0161, U+017D->U+017E, \
    U+010D->c,U+0107->c, U+0161->s, U+017E->z, \
    U+010D, U+0107, U+0161, U+017E
}

我将大 Č、Ć Š Ž 映射到对应的小写字母,并添加了从 č 到 c, ć 到 c, š 到 s 和 ž 到 z 最后我将这四个字符添加到表格中......

这些是我的分类标题:

t1: HP USB optična miška za prenosnik RH304 t2: Čiška PCplus MO-U033+F2 (optična, brezžična, PS/2) t3: Miška Logitech optična Nano M235 siva

db 编码:utf8_general_ci 表的编码:utf8_general_ci 标题字段编码:utf8_general_ci

测试用例:

$testcase = array(
        "miška",
        "mi*ka",
        "Čiška",
        "čiška",
        "miska",
        "usb prenosnik",
        "prenosnik miska",
        "miška usb"
);

//api settings:

$this->sphinx->SetArrayResult(true);
$this->sphinx->setLimits(0, 100);
$this->sphinx->setMatchMode(SPH_MATCH_EXTENDED2);
$this->sphinx->SetSortMode(SPH_SORT_RELEVANCE, '@weight DESC');
$this->sphinx->SetRankingMode(SPH_RANK_PROXIMITY_BM25);
$this->sphinx->SetFieldWeights(array("title"=>100, "keywords"=>80, "summary"=>60,
"text"=>20, "slug"=>10));

最后是测试结果:

关键字(total / total_found) 单词

miška     (0/0)

Array
(
    [*miška*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [miška] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

mi*ka     (0/0)

Array
(
    [*mi*] => Array
        (
            [docs] => 3
            [hits] => 4
        )

    [mi] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [*2aka*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [2aka] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

Čiška     (0/0)

Array
(
    [*čiška*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [čiška] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

čiška     (0/0)

Array
(
    [*čiška*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [čiška] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

miska     (0/0)

Array
(
    [*miska*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [miska] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

usb prenosnik     (1/1)

Array
(
    [*usb*] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [usb] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [*prenosnik*] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [prenosnik] => Array
        (
            [docs] => 1
            [hits] => 1
        )

)

prenosnik miska     (0/0)

Array
(
    [*prenosnik*] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [prenosnik] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [*miska*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [miska] => Array
        (
            [docs] => 0
            [hits] => 0
        )

)

miška usb     (0/0)

Array
(
    [*miška*] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [miška] => Array
        (
            [docs] => 0
            [hits] => 0
        )

    [*usb*] => Array
        (
            [docs] => 1
            [hits] => 1
        )

    [usb] => Array
        (
            [docs] => 1
            [hits] => 1
        )

)

你可以清楚地看到我只在没有斯洛文尼亚特殊字符的查询中得到积极的结果

拜托,请帮我解决这个问题

【问题讨论】:

  • 天啊!我做到了! [在这里找到答案][1] [1]:ryaneby.com/2009/11/21/unicode-and-sphinx.html 我需要将 sql_query_pre = SET CHARACTER_SET_RESULTS=utf8 sql_query_pre = SET NAMES utf8 添加到我的源定义中......显然数据库默认情况下没有连接槽 utf8!呜呜呜
  • 我会,但它不会让我:S 100 声望需要...请自己发布,我会确认

标签: php utf-8 sphinx character


【解决方案1】:

问题是 sphinx 索引器默认没有使用 utf8 字符集。通过将以下内容添加到 sphinx.conf 来修复

sql_query_pre = SET CHARACTER_SET_RESULTS=utf8
sql_query_pre = SET NAMES utf8

参考文献

【讨论】:

    【解决方案2】:

    在这里您可以找到许多不同的字符集表,其中一种可能适合您的语言:http://sphinxsearch.com/wiki/doku.php?id=charset_tables

    【讨论】:

      【解决方案3】:

      您应该设置一些参数。它们是 ngram_len 和 ngram_chars。

      首先,我遇到了同样的问题。然后我阅读了 Introduction to search with sphinx 一书,我发现默认字符集和 ngram_chars 仅适用于英语和俄语。所以你必须自己添加。

      就我而言,我为中文做了这些改动:

      charset_table = U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z,\
          A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6,\
          U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101,\
          U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109,\
          U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F,\
          U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117,\
          U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D,\
          U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135,\
          U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C,\
          U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144,\
          U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B,\
          U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153,\
          U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159,\
          U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161,\
          U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167,\
          U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F,\
          U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175,\
          U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C,\
          U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F,\
          U+05D0..U+05EA, U+0531..U+0556->U+0561..U+0586, U+0561..U+0587, U+0621..U+063A, U+01B9,\
          U+01BF, U+0640..U+064A, U+0660..U+0669, U+066E, U+066F, U+0671..U+06D3, U+06F0..U+06FF,\
          U+0904..U+0939, U+0958..U+095F, U+0960..U+0963, U+0966..U+096F, U+097B..U+097F,\
          U+0985..U+09B9, U+09CE, U+09DC..U+09E3, U+09E6..U+09EF, U+0A05..U+0A39, U+0A59..U+0A5E,\
          U+0A66..U+0A6F, U+0A85..U+0AB9, U+0AE0..U+0AE3, U+0AE6..U+0AEF, U+0B05..U+0B39,\
          U+0B5C..U+0B61, U+0B66..U+0B6F, U+0B71, U+0B85..U+0BB9, U+0BE6..U+0BF2, U+0C05..U+0C39,\
          U+0C66..U+0C6F, U+0C85..U+0CB9, U+0CDE..U+0CE3, U+0CE6..U+0CEF, U+0D05..U+0D39, U+0D60,\
          U+0D61, U+0D66..U+0D6F, U+0D85..U+0DC6, U+1900..U+1938, U+1946..U+194F, U+A800..U+A805,\
          U+A807..U+A822, U+0386->U+03B1, U+03AC->U+03B1, U+0388->U+03B5, U+03AD->U+03B5,\
          U+0389->U+03B7, U+03AE->U+03B7, U+038A->U+03B9, U+0390->U+03B9, U+03AA->U+03B9,\
          U+03AF->U+03B9, U+03CA->U+03B9, U+038C->U+03BF, U+03CC->U+03BF, U+038E->U+03C5,\
          U+03AB->U+03C5, U+03B0->U+03C5, U+03CB->U+03C5, U+03CD->U+03C5, U+038F->U+03C9,\
          U+03CE->U+03C9, U+03C2->U+03C3, U+0391..U+03A1->U+03B1..U+03C1,\
          U+03A3..U+03A9->U+03C3..U+03C9, U+03B1..U+03C1, U+03C3..U+03C9, U+0E01..U+0E2E,\
          U+0E30..U+0E3A, U+0E40..U+0E45, U+0E47, U+0E50..U+0E59, U+A000..U+A48F, U+4E00..U+9FBF,\
          U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF, U+2F800..U+2FA1F, U+2E80..U+2EFF,\
          U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF, U+3040..U+309F, U+30A0..U+30FF,\
          U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF, U+3130..U+318F, U+A000..U+A48F,\
          U+A490..U+A4CF
      ngram_len       = 1
      
      
      # n-gram characters list, for CJK indexing
      # optional, default is empty
      #
      # ngram_chars       = U+3000..U+2FA1F
      
      ngram_chars = U+4E00..U+9FBF, U+3400..U+4DBF, U+20000..U+2A6DF, U+F900..U+FAFF,\
          U+2F800..U+2FA1F, U+2E80..U+2EFF, U+2F00..U+2FDF, U+3100..U+312F, U+31A0..U+31BF,\
          U+3040..U+309F, U+30A0..U+30FF, U+31F0..U+31FF, U+AC00..U+D7AF, U+1100..U+11FF,\
          U+3130..U+318F, U+A000..U+A48F, U+A490..U+A4CF
      

      【讨论】:

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