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Sql server SQL Server FTS返回不准确的结果_Sql Server_Full Text Search - Fatal编程技术网

Sql server SQL Server FTS返回不准确的结果

Sql server SQL Server FTS返回不准确的结果,sql-server,full-text-search,Sql Server,Full Text Search,我们的表中有一列,该列为全文搜索编制了索引。我们在其中存储值,例如 <zNSIC>1010</zNSIC> 我不明白为什么它会将该值中的DM视为匹配项。有什么想法吗?这是SQL Server 2014。将“15”解析为一个单独的短语,如下所示: select keyword, special_term, display_term, source_term from sys.dm_fts_parser('("<zNSIC>15*")', 1033, 0

我们的表中有一列,该列为全文搜索编制了索引。我们在其中存储值,例如

<zNSIC>1010</zNSIC>
我不明白为什么它会将该值中的DM视为匹配项。有什么想法吗?这是SQL Server 2014。

将“15”解析为一个单独的短语,如下所示:

select keyword, special_term, display_term, source_term
    from sys.dm_fts_parser('("<zNSIC>15*")', 1033, 0, 0);

keyword                 special_term    display_term    source_term
0x007A006E007300690063  Exact Match     znsic           <zNSIC>15
0x00310035              Exact Match     15              <zNSIC>15
0x006E006E00310035      Exact Match     nn15            <zNSIC>15
选择关键字、特殊术语、显示术语、源术语
来自sys.dm_fts_解析器(“(“15*”),1033,0,0;
关键字特殊\u术语显示\u术语源\u术语
0x007A006E007300690063完全匹配znsic 15
0x00310035完全匹配15 15
0x006E006E00310035完全匹配nn15

好的,我假设它使用>作为断字符?有没有办法忽略这一点?@geoffswartz这可能会有帮助:
<zNSIC>DM15</zNSIC>
select keyword, special_term, display_term, source_term
    from sys.dm_fts_parser('("<zNSIC>15*")', 1033, 0, 0);

keyword                 special_term    display_term    source_term
0x007A006E007300690063  Exact Match     znsic           <zNSIC>15
0x00310035              Exact Match     15              <zNSIC>15
0x006E006E00310035      Exact Match     nn15            <zNSIC>15