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Change the fts3 snippet function to return (hopefully) more relevant snippets in less time.

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FossilOrigin-Name: 8a208223a74d451f60d9cd707d63fb7d157d1737
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dan
2010-01-06 17:19:21 +00:00
parent cf3e518506
commit b023b04fcb
9 changed files with 642 additions and 920 deletions
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6
test/fts3al.test
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@ -53,6 +53,10 @@ do_test fts3al-1.3 {
#
# The trailing and leading hi-bit chars help with code which tests for
# isspace() to coalesce multiple spaces.
#
# UPDATE: The above is no longer true; there is no such code in fts3.
# But leave the test in just the same.
#
set word "\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80"
set phrase1 "$word $word $word target $word $word $word"
@ -64,6 +68,6 @@ db eval "INSERT INTO t4 (content) VALUES ('$phrase2')"
do_test fts3al-1.4 {
execsql {SELECT rowid, length(snippet(t4)) FROM t4 WHERE t4 MATCH 'target'}
} {1 111 2 117}
} {1 241 2 247}
finish_test