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Diffstat (limited to 'ext/fts5/test/fts5origintext4.test')
-rw-r--r-- | ext/fts5/test/fts5origintext4.test | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/ext/fts5/test/fts5origintext4.test b/ext/fts5/test/fts5origintext4.test new file mode 100644 index 0000000..c4ae350 --- /dev/null +++ b/ext/fts5/test/fts5origintext4.test @@ -0,0 +1,80 @@ +# 2023 November 22 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# +# Tests focused on phrase queries. +# + +source [file join [file dirname [info script]] fts5_common.tcl] +set testprefix fts5origintext4 + +# If SQLITE_ENABLE_FTS5 is defined, omit this file. +ifcapable !fts5 { + finish_test + return +} + +# The tests below verify that a doclist-index is used to limit the number +# of pages loaded into the cache. It does this by querying sqlite3_db_status() +# for the amount of memory used by the pager cache. +# +# memsubsys1 effectively limits the page-cache to 24 pages. Which masks +# the effect tested by the tests in this file. And "mmap" prevents the +# cache from being used, also preventing these tests from working. +# +if {[permutation]=="memsubsys1" || [permutation]=="mmap"} { + finish_test + return +} + +sqlite3_fts5_register_origintext db +do_execsql_test 1.0 { + PRAGMA page_size = 4096; + CREATE VIRTUAL TABLE ft USING fts5( + x, tokenize="origintext unicode61", tokendata=1 + ); +} + +do_execsql_test 1.1 { + BEGIN; + INSERT INTO ft SELECT 'the first thing'; + + WITH s(i) AS ( + SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<90000 + ) + INSERT INTO ft SELECT 'The second thing' FROM s; + + INSERT INTO ft SELECT 'the first thing'; + COMMIT; + INSERT INTO ft(ft) VALUES('optimize'); +} + +foreach {tn sql expr} { + 1 { SELECT rowid FROM ft('the') } {$mem > 250000} + 2 { SELECT rowid FROM ft('first') } {$mem < 50000} + 3 { SELECT rowid FROM ft('the first') } {$mem < 50000} +} { + db close + sqlite3 db test.db + sqlite3_fts5_register_origintext db + + execsql $sql + do_test 1.2.$tn { + set mem [lindex [sqlite3_db_status db CACHE_USED 0] 1] + expr $expr + } 1 +} + +proc b {x} { string map [list "\0" "."] $x } +db func b b +# execsql_pp { SELECT segid, b(term), pgno from ft_idx } + +finish_test + |