Ryan Steinberg created SOLR-7874:
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Summary: two terms in brackets interpreted as range query
Key: SOLR-7874
URL: https://issues.apache.org/jira/browse/SOLR-7874
Project: Solr
Issue Type: Bug
Components: query parsers
Affects Versions: 5.2.1
Reporter: Ryan Steinberg
Queries with two strings between brackets are parsed as range queries even when
missing the " TO " keyword. This creates performance problems from extremely
expensive unintended range queries.
Example: [string1 string2]
"rawquerystring": "[string1 string2]",
"querystring": "[string1 string2]",
"parsedquery": "(+DisjunctionMaxQuery((text:[string1 TO
string2])))/no_coord",
"parsedquery_toString": "+(text:[string1 TO string2])",
"explain": {},
"QParser": "ExtendedDismaxQParser"
Same behavior for LuceneQParser:
"rawquerystring": "[string1 string2]",
"querystring": "[string1 string2]",
"parsedquery": "text:[string1 TO string2]",
"parsedquery_toString": "text:[string1 TO string2]",
"explain": {},
"QParser": "LuceneQParser"
Three strings between brackets is parsed correctly by ExtendedDismaxQParser:
"rawquerystring": "[string1 string2 string3]",
"querystring": "[string1 string2 string3]",
"parsedquery": "(+(DisjunctionMaxQuery((text:string1))
DisjunctionMaxQuery((text:string2))
DisjunctionMaxQuery((text:string3))))/no_coord",
"parsedquery_toString": "+((text:string1) (text:string2) (text:string3))",
"explain": {},
"QParser": "ExtendedDismaxQParser"
Query examples from live search application (copy and pasted book titles):
Biology of cancer. [2nd ed.]
Prostate cancer principles and practice. [1st ed.]
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