411 REFERENCE · Wikibooks
XQuery/Overview of eXist search functions and operators
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Overview of eXist search functions and operators
In catching up with updating from eXist-1.2.6 to eXist-1.4.x, one thing struck me. Despite eXist's elaborate documentation, I was feeling a bit lost in the myriad of overlapping search functions and their modalities (both default and fallback behaviours). I think I would feel helped with an overview grouping the different search-related functions in one place.
I don't know if this could be interesting to complete the eXist documentation; at this stage, however I'm not too sure about all functions, and maybe others may see more interesting approaches for such an overview. Therefore, I thought maybe the Wikibook could be an interesting place for such information.
The table below provides an overview, with following colour codes:
I'm not 100% sure -- all clarifications welcome!
not in eXist function documentation
overview of eXist search functions and operators
query type
index use
function / operator
wildcards
regex
brute force fallback
range
legacy FT
lucene FT
ngram
fn:matches()
x
x
x
fn:contains(), fn:starts-with(), fn:ends-with()
x
x
=, <, <=, >, >=
x
x
text:match-any(), text:match-all()
x
x
text:fuzzy-match-all(), text:fuzzy-match-any()
x
text:matches-regex()
x
x
x
near(), &=, |=
x
x
ft:query()
x
x
x
ngram:contains(), ngram:starts-with(), ngram:ends-with()
x