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fix to prevent that queries like 'ca??' match a term like 'cat'. 

Terms with the correct length should be returned only. See Bug#LUCENE-306

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@329859 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Bernhard Messer 2005-10-31 17:05:36 +00:00
parent 741173ade6
commit 34e42624f6
1 changed files with 6 additions and 1 deletions
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7
src/java/org/apache/lucene/search/WildcardTermEnum.java
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@ -125,15 +125,20 @@ public class WildcardTermEnum extends FilteredTermEnum {
{ {
// Check the character at the current position // Check the character at the current position
char wildchar = pattern.charAt(wildcardSearchPos); char wildchar = pattern.charAt(wildcardSearchPos);
// If it's not a wildcard character, then there is more // If it's not a wildcard character, then there is more
// pattern information after this/these wildcards. // pattern information after this/these wildcards.
if (wildchar != WILDCARD_CHAR && wildchar != WILDCARD_STRING) if (wildchar != WILDCARD_CHAR && wildchar != WILDCARD_STRING)
{ {
justWildcardsLeft = false; justWildcardsLeft = false;
} }
else else
{ {
// to prevent "cat" matches "ca??"
if (wildchar == WILDCARD_CHAR) {
return false;
}
// Look at the next character // Look at the next character
wildcardSearchPos++; wildcardSearchPos++;
} }