zhparser 处理中文全文检索之一

朱雀 2023-03-01 14:59 246阅读 0赞

os: centos 7.4  
db: postgresql 10.11

# 版本 #

# cat /etc/centos-release
    CentOS Linux release 7.4.1708 (Core) 
    # 
    # 
    # su - postgres
    Last login: Wed Jan 15 18:34:12 CST 2020 on pts/0
    $
    $
    $ psql -c "select version();"
                                                     version                                                  
    ----------------------------------------------------------------------------------------------------------
     PostgreSQL 10.11 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39), 64-bit
    (1 row)

# 下载安装 SCWS #

# cd /opt
    # wget http://www.xunsearch.com/scws/down/scws-1.2.3.tar.bz2
    # tar -jxvf ./scws-1.2.3.tar.bz2
    # cd scws-1.2.3/
    # ./configure 
    # make 
    # make install
    
    # ldconfig

# 下载安装 zhparser #

# cd /opt
    # wget https://github.com/amutu/zhparser/archive/v0.2.0.tar.gz
    # tar -zxvf ./v0.2.0.tar.gz
    # cd zhparser-0.2.0/
    
    # export PGHOME=/usr/pgsql-10;
    export PGDATA=/var/lib/pgsql/10/data;
    
    export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:${PGHOME}/lib;
    export LD_LIBRARY_PATH=${LD_LIBRARY_PATH}:/lib:/usr/lib:/usr/local/lib;
    export PATH=${PGHOME}/bin:$PATH;
    export MANPATH=${PGHOME}/share/man:$MANPATH;
    
    
    # SCWS_HOME=/usr/local make
    # SCWS_HOME=/usr/local make install

make 的日志如下

gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC -I/usr/local/include/scws  -I. -I./ -I/usr/pgsql-10/include/server -I/usr/pgsql-10/include/internal  -D_GNU_SOURCE -I/usr/include/libxml2  -I/usr/include  -c -o zhparser.o zhparser.c
    zhparser.c: In function ‘init’:
    zhparser.c:210:6: warning: implicit declaration of function ‘SplitIdentifierString’ [-Wimplicit-function-declaration]
          if(!SplitIdentifierString(extra_dicts,',',&elemlist)){
          ^
    gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -fPIC -shared -o zhparser.so zhparser.o -L/usr/pgsql-10/lib  -Wl,--as-needed  -L/usr/lib64 -Wl,--as-needed -Wl,-rpath,'/usr/pgsql-10/lib',--enable-new-dtags  -lscws -L/usr/local/lib -Wl,-rpath -Wl,/usr/local/lib

make install 的日志如下

/bin/mkdir -p '/usr/pgsql-10/lib'
    /bin/mkdir -p '/usr/pgsql-10/share/extension'
    /bin/mkdir -p '/usr/pgsql-10/share/extension'
    /bin/mkdir -p '/usr/pgsql-10/share/tsearch_data'
    /bin/install -c -m 755  zhparser.so '/usr/pgsql-10/lib/zhparser.so'
    /bin/install -c -m 644 .//zhparser.control '/usr/pgsql-10/share/extension/'
    /bin/install -c -m 644 .//zhparser--1.0.sql .//zhparser--unpackaged--1.0.sql  '/usr/pgsql-10/share/extension/'
    /bin/install -c -m 644 .//dict.utf8.xdb .//rules.utf8.ini '/usr/pgsql-10/share/tsearch_data/'

# 初步使用 #

# su - postgres
    $ psql 
    psql (10.11)
    Type "help" for help.
    
    postgres=# create extension zhparser;
    
    postgres=# \dx zhparser
                          List of installed extensions
       Name   | Version | Schema |               Description                
    ----------+---------+--------+------------------------------------------
     zhparser | 1.0     | public | a parser for full-text search of Chinese
    (1 row)
    
    postgres=# \dx+ zhparser
               Objects in extension "zhparser"
                      Object description                  
    ------------------------------------------------------
     function zhprs_end(internal)
     function zhprs_getlexeme(internal,internal,internal)
     function zhprs_lextype(internal)
     function zhprs_start(internal,integer)
     text search parser zhparser
    (5 rows)
    
    postgres=# CREATE TEXT SEARCH CONFIGURATION testzhcfg (PARSER = zhparser);  
    
    postgres=# ALTER TEXT SEARCH CONFIGURATION testzhcfg ADD MAPPING FOR n,v,a,i,e,l WITH simple;

参考：  
https://github.com/amutu/zhparser  
http://blog.amutu.com/zhparser/  
http://www.xunsearch.com/scws/