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用 PHP 构建自定义搜索引擎(7)
清单 9. Body Parts 的示例 sphinx.conf
source catalog
{
type = mysql
sql_host = localhost
sql_user = reaper
sql_pass = s3cr3t
sql_db = body_parts
sql_sock = /var/run/mysqld/mysqld.sock
sql_port = 3306
# indexer query
# document_id MUST be the very first field
# document_id MUST be positive (non-zero, non-negative)
# document_id MUST fit into 32 bits
# document_id MUST be unique
sql_query = \
SELECT \
id, partno, description, \
assembly, model \
FROM \
Catalog;
sql_group_column = assembly
sql_group_column = model
# document info query
# ONLY used by search utility to display document information
# MUST be able to fetch document info by its id, therefore
# MUST contain '$id' macro
#
sql_query_info = SELECT * FROM Inventory WHERE id=$id
}
index catalog
{
source = catalog
path = /var/data/sphinx/catalog
morphology = stem_en
min_word_len = 3
min_prefix_len = 0
min_infix_len = 3
}
searchd
{
port = 3312
log = /var/log/searchd/searchd.log
query_log = /var/log/searchd/query.log
pid_file = /var/log/searchd/searchd.pid
}
底部的 searchd 部分将配置 searchd 守护程序本身。该部分中的条目不言自明。query.log 尤为有用：它将在运行时显示每次搜索并显示结果，例如搜索的文档数和匹配总数。
构建和测试索引
您现在已经准备好为 Body Parts 应用程序构建索引。为此，需要执行以下步骤：
键入 $ sudo mkdir -p /var/data/sphinx 创建目录结构 /var/data/sphinx
假定 MySQL 正在运行，使用如下所示的代码运行索引器来创建索引。
清单 10. 创建索引
$ sudo /usr/local/bin/indexer --config /usr/local/etc/sphinx.conf --all Sphinx 0.9.7 Copyright (c) 2001-2007, Andrew Aksyonoff using config file '/usr/local/etc/sphinx.conf'... indexing index 'catalog'... collected 8 do CS, 0.0 MB sorted 0.0 Mhits, 82.8% done total 8 docs, 149 bytes total 0.010 sec, 14900.00 bytes/sec, 800.00 docs/sec
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