|
1
|
prefix handlers
|
Prefix handlers are always processed first.
|
Obama before:2009/01/01, searches for all documents relating to
Obama before January 2009.
|
|
2
|
FUZZYAND/option (expression)
|
Search for documents that match at least N queries, where N is determined by the
fuzzyand option.
This option can be either:
minimum success: at least N queries must match. N is a positive
integer.- or
maximum failures: up to N queries can fail. N is a negative
integer.
|
For a document that contains:
The quick brown fox.
If min. success=2: FUZZYAND/2 (the quick brown foxes) matches, but
FUZZYAND/2 (a brown foxx) does not.
If max. failure=-1: FUZZYAND/-1 (a quick brown fox) matches, but
FUZZYAND/-1 (a quick foxx) does not.
|
|
3
|
OPT e1
|
Optional operator
|
OPT graphical
|
|
4
|
NOT e1
|
Negation operator
|
NOT myword
|
|
5
|
e1 NEXT e2
|
Explicit sequence operator for adjacency match.
|
user NEXT interface
|
|
6
|
e1 AFTER e2
|
Proximity (mono-directional) match
|
interface AFTER user
|
|
6
|
e1 AFTER/distance e2
|
AFTER with explicit word distance
|
interface AFTER/4 user
|
|
6
|
e1 BEFORE e2
|
Proximity with mono-directional match
|
user BEFORE interface
|
|
6
|
e1 BEFORE/distance e2
|
BEFORE with explicit word distance
|
interface BEFORE/4 user
|
|
7
|
e1 NEAR e2
|
Proximity operator with bidirectional match
|
user NEAR interface
|
|
7
|
e1 NEAR/distance e2
|
NEAR with explicit word distance
|
user NEAR/4 interface
|
|
8
|
e1 SPLIT e2
|
A document is returned if e1 appears in at least one of the
document sections delimited by the e2 delimiter. If the
e2 delimiter is not present in a document, then the document is
returned if e1 is valid at the document level.
|
user interface SPLIT Chapter
Matches if user interface appears between two "Chapters"
|
|
9
|
e1 e2
|
Implicit match operator on a sequence of words. It uses the implicit operator,
which is AND by default.
|
search engine
|
|
10
|
(e1) INNERJOIN/key (e2)
|
Search for documents matching e1 where e2 appears
in child documents. The relation between documents is contained in a key index
field, which must be an unsigned integer. For performance reasons, it is best
to enable the Stored in Memory option.
|
subject:exalead INNERJOIN/msgId fulltext:france
We first select documents whose subject is exalead, then the
join is made with documents containing the word france.
|
|
11
|
e1 BUTNOT e2
|
The search matches if there is at least an instance of e1 is not
also an instance of e2 at the same position.
|
York BUTNOT "New York"
|
|
12
|
e1 AND e2
|
Explicit conjunction match.
|
user AND interface
|
|
13
|
e1 XOR e2
|
Exclusive OR operation. It can be either e1 OR
e2, but not e1 AND e2
|
design XOR conception
|
|
14
|
e1 OR e2
|
Disjunction match
|
design OR conception
|
|
15
|
e1 BOR e2
|
Disjunction match
To use only for a fast OR on many documents
|
design BOR conception
|