如何在Sphinx中的一个索引中使用多个源？

Question

The Sphinx config file hints to it supporting multiple sources for one index, how do I actually specify it?

Here's the snippet from the config file:

# document source(s) to index
# multi-value, mandatory
# document IDs must be globally unique across all sources
source                  = src1

I've tried setting it in the following formats:

source = src1, src2
source = [src1, src2]

and I've also tried using the source variable twice, eg:

source = src1
source = src2

I suspect that I'm just being a dunce, as I'm not sure of the syntax to use in the config file. Any ideas?

Using the second code snippet I get the following error:

ERROR: index 'iwa': fulltext fields count mismatch (me=iwa_publications, in=iwa_events, myfields=3, infields=8).

The two sources are iwa_events and iwa_publications. Both have unique id columns, and both sources work when indexed individually.

Answer 1

If you want to search multiple indexes at once you have to specify them in your PHP code, not in the configuration file.

Just seperate the indexes in your Query method (see documentation ):

 
 
 
  
  $cl->Query ( "test query", "index1 index2" );
 
  

According to the documentation you can. Your second code snippet is the correct format to list multiple sources. Please edit your question to tell us what your actual problem is.

Answer 2

Problem found: I misread the point of having multiple sources. It would appear that multiple sources can indeed be used in one index, but only if they're identical in terms of schema, as according to this line in the docs:

"source schemas must be the same in order to be stored within the same index."

Thanks very much for the help, Jan. It was my bad for the misunderstanding. :D

Answer 3

yes. source schemas must be the same; but you only need same number of fields. you can even use same field twice if needed. just give fields same name like this in all queries: sql_query = select id, catname as one, country as two, currency as three, language as four from catalog