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+# 2014 May 12
+#
+# 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.
+#
+#*************************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this script is testing the FTS4 module.
+#
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix fts4growth
+
+# If SQLITE_ENABLE_FTS3 is defined, omit this file.
+ifcapable !fts3 {
+ finish_test
+ return
+}
+
+source $testdir/genesis.tcl
+
+do_execsql_test 1.1 { CREATE VIRTUAL TABLE x1 USING fts3; }
+
+do_test 1.2 {
+ foreach L {
+ {"See here, young man," said Mulga Bill, "from Walgett to the sea,}
+ {From Conroy's Gap to Castlereagh, there's none can ride like me.}
+ {I'm good all round at everything as everybody knows,}
+ {Although I'm not the one to talk -- I hate a man that blows.}
+ } {
+ execsql { INSERT INTO x1 VALUES($L) }
+ }
+ execsql { SELECT end_block, length(root) FROM x1_segdir }
+} {{0 114} 114 {0 118} 118 {0 95} 95 {0 115} 115}
+
+do_execsql_test 1.3 {
+ INSERT INTO x1(x1) VALUES('optimize');
+ SELECT level, end_block, length(root) FROM x1_segdir;
+} {0 {0 394} 394}
+
+do_test 1.4 {
+ foreach L {
+ {But riding is my special gift, my chiefest, sole delight;}
+ {Just ask a wild duck can it swim, a wildcat can it fight.}
+ {There's nothing clothed in hair or hide, or built of flesh or steel,}
+ {There's nothing walks or jumps, or runs, on axle, hoof, or wheel,}
+ {But what I'll sit, while hide will hold and girths and straps are tight:}
+ {I'll ride this here two-wheeled concern right straight away at sight."}
+ } {
+ execsql { INSERT INTO x1 VALUES($L) }
+ }
+ execsql {
+ INSERT INTO x1(x1) VALUES('merge=4,4');
+ SELECT level, end_block, length(root) FROM x1_segdir;
+ }
+} {0 {0 110} 110 0 {0 132} 132 0 {0 129} 129 1 {128 658} 2}
+
+do_execsql_test 1.5 {
+ SELECT length(block) FROM x1_segments;
+} {658 {}}
+
+do_test 1.6 {
+ foreach L {
+ {'Twas Mulga Bill, from Eaglehawk, that sought his own abode,}
+ {That perched above Dead Man's Creek, beside the mountain road.}
+ {He turned the cycle down the hill and mounted for the fray,}
+ {But 'ere he'd gone a dozen yards it bolted clean away.}
+ {It left the track, and through the trees, just like a silver steak,}
+ {It whistled down the awful slope towards the Dead Man's Creek.}
+ {It shaved a stump by half an inch, it dodged a big white-box:}
+ {The very wallaroos in fright went scrambling up the rocks,}
+ {The wombats hiding in their caves dug deeper underground,}
+ {As Mulga Bill, as white as chalk, sat tight to every bound.}
+ {It struck a stone and gave a spring that cleared a fallen tree,}
+ {It raced beside a precipice as close as close could be;}
+ {And then as Mulga Bill let out one last despairing shriek}
+ {It made a leap of twenty feet into the Dead Man's Creek.}
+ } {
+ execsql { INSERT INTO x1 VALUES($L) }
+ }
+ execsql {
+ SELECT level, end_block, length(root) FROM x1_segdir;
+ }
+} {1 {128 658} 2 1 {130 1377} 6 0 {0 117} 117}
+
+do_execsql_test 1.7 {
+ SELECT sum(length(block)) FROM x1_segments WHERE blockid IN (129, 130);
+} {1377}
+
+#-------------------------------------------------------------------------
+#
+do_execsql_test 2.1 {
+ CREATE TABLE t1(docid, words);
+ CREATE VIRTUAL TABLE x2 USING fts4;
+}
+fts_kjv_genesis
+do_test 2.2 {
+ foreach id [db eval {SELECT docid FROM t1}] {
+ execsql {
+ INSERT INTO x2(docid, content) SELECT $id, words FROM t1 WHERE docid=$id
+ }
+ }
+ foreach id [db eval {SELECT docid FROM t1}] {
+ execsql {
+ INSERT INTO x2(docid, content) SELECT NULL, words FROM t1 WHERE docid=$id
+ }
+ if {[db one {SELECT count(*) FROM x2_segdir WHERE level<2}]==2} break
+ }
+} {}
+
+do_execsql_test 2.3 {
+ SELECT count(*) FROM x2_segdir WHERE level=2;
+ SELECT count(*) FROM x2_segdir WHERE level=3;
+} {6 0}
+
+do_execsql_test 2.4 {
+ INSERT INTO x2(x2) VALUES('merge=4,4');
+ SELECT count(*) FROM x2_segdir WHERE level=2;
+ SELECT count(*) FROM x2_segdir WHERE level=3;
+} {6 1}
+
+do_execsql_test 2.5 {
+ SELECT end_block FROM x2_segdir WHERE level=3;
+ INSERT INTO x2(x2) VALUES('merge=4,4');
+ SELECT end_block FROM x2_segdir WHERE level=3;
+ INSERT INTO x2(x2) VALUES('merge=4,4');
+ SELECT end_block FROM x2_segdir WHERE level=3;
+} {{3828 -3430} {3828 -10191} {3828 -14109}}
+
+do_execsql_test 2.6 {
+ SELECT sum(length(block)) FROM x2_segdir, x2_segments WHERE
+ blockid BETWEEN start_block AND leaves_end_block
+ AND level=3
+} {14109}
+
+do_execsql_test 2.7 {
+ INSERT INTO x2(x2) VALUES('merge=1000,4');
+ SELECT end_block FROM x2_segdir WHERE level=3;
+} {{3828 86120}}
+
+do_execsql_test 2.8 {
+ SELECT sum(length(block)) FROM x2_segdir, x2_segments WHERE
+ blockid BETWEEN start_block AND leaves_end_block
+ AND level=3
+} {86120}
+
+#--------------------------------------------------------------------------
+# Test that delete markers are removed from FTS segments when possible.
+# It is only possible to remove delete markers when the output of the
+# merge operation will become the oldest segment in the index.
+#
+# 3.1 - when the oldest segment is created by an 'optimize'.
+# 3.2 - when the oldest segment is created by an incremental merge.
+# 3.3 - by a crisis merge.
+#
+
+proc insert_doc {args} {
+ foreach iDoc $args {
+ set L [lindex {
+ {In your eagerness to engage the Trojans,}
+ {don’t any of you charge ahead of others,}
+ {trusting in your strength and horsemanship.}
+ {And don’t lag behind. That will hurt our charge.}
+ {Any man whose chariot confronts an enemy’s}
+ {should thrust with his spear at him from there.}
+ {That’s the most effective tactic, the way}
+ {men wiped out city strongholds long ago —}
+ {their chests full of that style and spirit.}
+ } [expr $iDoc%9]]
+ execsql { REPLACE INTO x3(docid, content) VALUES($iDoc, $L) }
+ }
+}
+
+proc delete_doc {args} {
+ foreach iDoc $args {
+ execsql { DELETE FROM x3 WHERE docid = $iDoc }
+ }
+}
+
+proc second {x} { lindex $x 1 }
+db func second second
+
+do_execsql_test 3.0 { CREATE VIRTUAL TABLE x3 USING fts4 }
+
+do_test 3.1.1 {
+ db transaction { insert_doc 1 2 3 4 5 6 }
+ execsql { SELECT level, idx, second(end_block) FROM x3_segdir }
+} {0 0 412}
+do_test 3.1.2 {
+ delete_doc 1 2 3 4 5 6
+ execsql { SELECT count(*) FROM x3_segdir }
+} {0}
+do_test 3.1.3 {
+ db transaction {
+ insert_doc 1 2 3 4 5 6 7 8 9
+ delete_doc 9 8 7
+ }
+ execsql { SELECT level, idx, second(end_block) FROM x3_segdir }
+} {0 0 591 0 1 65 0 2 72 0 3 76}
+do_test 3.1.4 {
+ execsql { INSERT INTO x3(x3) VALUES('optimize') }
+ execsql { SELECT level, idx, second(end_block) FROM x3_segdir }
+} {0 0 412}
+
+do_test 3.2.1 {
+ execsql { DELETE FROM x3 }
+ insert_doc 8 7 6 5 4 3 2 1
+ delete_doc 7 8
+ execsql { SELECT count(*) FROM x3_segdir }
+} {10}
+do_test 3.2.2 {
+ execsql { INSERT INTO x3(x3) VALUES('merge=500,10') }
+ execsql { SELECT level, idx, second(end_block) FROM x3_segdir }
+} {1 0 412}
+
+# This assumes the crisis merge happens when there are already 16
+# segments and one more is added.
+#
+do_test 3.3.1 {
+ execsql { DELETE FROM x3 }
+ insert_doc 1 2 3 4 5 6 7 8 9 10 11
+ delete_doc 11 10 9 8 7
+ execsql { SELECT count(*) FROM x3_segdir }
+} {16}
+
+do_test 3.3.2 {
+ insert_doc 12
+ execsql { SELECT level, idx, second(end_block) FROM x3_segdir WHERE level=1 }
+} {1 0 412}
+
+#--------------------------------------------------------------------------
+# Check a theory on a bug in fts4 - that segments with idx==0 were not
+# being incrementally merged correctly. Theory turned out to be false.
+#
+do_execsql_test 4.1 {
+ DROP TABLE IF EXISTS x4;
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(docid, words);
+ CREATE VIRTUAL TABLE x4 USING fts4(words);
+}
+do_test 4.2 {
+ fts_kjv_genesis
+ execsql { INSERT INTO x4 SELECT words FROM t1 }
+ execsql { INSERT INTO x4 SELECT words FROM t1 }
+} {}
+
+do_execsql_test 4.3 {
+ SELECT level, idx, second(end_block) FROM x4_segdir
+} {0 0 117483 0 1 118006}
+
+do_execsql_test 4.4 {
+ INSERT INTO x4(x4) VALUES('merge=10,2');
+ SELECT count(*) FROM x4_segdir;
+} {3}
+
+do_execsql_test 4.5 {
+ INSERT INTO x4(x4) VALUES('merge=10,2');
+ SELECT count(*) FROM x4_segdir;
+} {3}
+
+do_execsql_test 4.6 {
+ INSERT INTO x4(x4) VALUES('merge=1000,2');
+ SELECT count(*) FROM x4_segdir;
+} {1}
+
+
+
+#--------------------------------------------------------------------------
+# Check that segments are not promoted if the "end_block" field does not
+# contain a size.
+#
+do_execsql_test 5.1 {
+ DROP TABLE IF EXISTS x2;
+ DROP TABLE IF EXISTS t1;
+ CREATE TABLE t1(docid, words);
+ CREATE VIRTUAL TABLE x2 USING fts4;
+}
+fts_kjv_genesis
+
+proc first {L} {lindex $L 0}
+db func first first
+
+do_test 5.2 {
+ foreach r [db eval { SELECT rowid FROM t1 }] {
+ execsql {
+ INSERT INTO x2(docid, content) SELECT docid, words FROM t1 WHERE rowid=$r
+ }
+ }
+ foreach d [db eval { SELECT docid FROM t1 LIMIT -1 OFFSET 20 }] {
+ execsql { DELETE FROM x2 WHERE docid = $d }
+ }
+
+ execsql {
+ INSERT INTO x2(x2) VALUES('optimize');
+ SELECT level, idx, end_block FROM x2_segdir
+ }
+} {2 0 {752 1926}}
+
+do_execsql_test 5.3 {
+ UPDATE x2_segdir SET end_block = CAST( first(end_block) AS INTEGER );
+ SELECT end_block, typeof(end_block) FROM x2_segdir;
+} {752 integer}
+
+do_execsql_test 5.4 {
+ INSERT INTO x2 SELECT words FROM t1 LIMIT 50;
+ SELECT level, idx, end_block FROM x2_segdir
+} {2 0 752 0 0 {758 5174}}
+
+do_execsql_test 5.5 {
+ UPDATE x2_segdir SET end_block = end_block || ' 1926' WHERE level=2;
+ INSERT INTO x2 SELECT words FROM t1 LIMIT 40;
+ SELECT level, idx, end_block FROM x2_segdir
+} {0 0 {752 1926} 0 1 {758 5174} 0 2 {763 4170}}
+
+proc t1_to_x2 {} {
+ foreach id [db eval {SELECT docid FROM t1 LIMIT 2}] {
+ execsql {
+ DELETE FROM x2 WHERE docid=$id;
+ INSERT INTO x2(docid, content) SELECT $id, words FROM t1 WHERE docid=$id;
+ }
+ }
+}
+
+#--------------------------------------------------------------------------
+# Check that segments created by auto-merge are not promoted until they
+# are completed.
+#
+
+do_execsql_test 6.1 {
+ CREATE VIRTUAL TABLE x5 USING fts4;
+ INSERT INTO x5 SELECT words FROM t1 LIMIT 100 OFFSET 0;
+ INSERT INTO x5 SELECT words FROM t1 LIMIT 100 OFFSET 25;
+ INSERT INTO x5 SELECT words FROM t1 LIMIT 100 OFFSET 50;
+ INSERT INTO x5 SELECT words FROM t1 LIMIT 100 OFFSET 75;
+ SELECT count(*) FROM x5_segdir
+} {4}
+
+do_execsql_test 6.2 {
+ INSERT INTO x5(x5) VALUES('merge=2,4');
+ SELECT level, idx, end_block FROM x5_segdir;
+} {0 0 {10 9216} 0 1 {21 9330} 0 2 {31 8850} 0 3 {40 8689} 1 0 {1320 -3117}}
+
+do_execsql_test 6.3 {
+ INSERT INTO x5 SELECT words FROM t1 LIMIT 100 OFFSET 100;
+ SELECT level, idx, end_block FROM x5_segdir;
+} {
+ 0 0 {10 9216} 0 1 {21 9330} 0 2 {31 8850}
+ 0 3 {40 8689} 1 0 {1320 -3117} 0 4 {1329 8297}
+}
+
+do_execsql_test 6.4 {
+ INSERT INTO x5(x5) VALUES('merge=200,4');
+ SELECT level, idx, end_block FROM x5_segdir;
+} {0 0 {1329 8297} 1 0 {1320 28009}}
+
+do_execsql_test 6.5 {
+ INSERT INTO x5 SELECT words FROM t1;
+ SELECT level, idx, end_block FROM x5_segdir;
+} {
+ 0 1 {1329 8297} 0 0 {1320 28009} 0 2 {1449 118006}
+}
+
+#--------------------------------------------------------------------------
+# Ensure that if part of an incremental merge is performed by an old
+# version that does not support storing segment sizes in the end_block
+# field, no size is stored in the final segment (as it would be incorrect).
+#
+do_execsql_test 7.1 {
+ CREATE VIRTUAL TABLE x6 USING fts4;
+ INSERT INTO x6 SELECT words FROM t1;
+ INSERT INTO x6 SELECT words FROM t1;
+ INSERT INTO x6 SELECT words FROM t1;
+ INSERT INTO x6 SELECT words FROM t1;
+ INSERT INTO x6 SELECT words FROM t1;
+ INSERT INTO x6 SELECT words FROM t1;
+ SELECT level, idx, end_block FROM x6_segdir;
+} {
+ 0 0 {118 117483} 0 1 {238 118006} 0 2 {358 118006}
+ 0 3 {478 118006} 0 4 {598 118006} 0 5 {718 118006}
+}
+
+do_execsql_test 7.2 {
+ INSERT INTO x6(x6) VALUES('merge=25,4');
+ SELECT level, idx, end_block FROM x6_segdir;
+} {
+ 0 0 {118 117483} 0 1 {238 118006} 0 2 {358 118006}
+ 0 3 {478 118006} 0 4 {598 118006} 0 5 {718 118006}
+ 1 0 {16014 -51226}
+}
+
+do_execsql_test 7.3 {
+ UPDATE x6_segdir SET end_block = first(end_block) WHERE level=1;
+ SELECT level, idx, end_block FROM x6_segdir;
+} {
+ 0 0 {118 117483} 0 1 {238 118006} 0 2 {358 118006}
+ 0 3 {478 118006} 0 4 {598 118006} 0 5 {718 118006}
+ 1 0 16014
+}
+
+do_execsql_test 7.4 {
+ INSERT INTO x6(x6) VALUES('merge=25,4');
+ SELECT level, idx, end_block FROM x6_segdir;
+} {
+ 0 0 {118 117483} 0 1 {238 118006} 0 2 {358 118006}
+ 0 3 {478 118006} 0 4 {598 118006} 0 5 {718 118006}
+ 1 0 16014
+}
+
+do_execsql_test 7.5 {
+ INSERT INTO x6(x6) VALUES('merge=2500,4');
+ SELECT level, idx, end_block FROM x6_segdir;
+} {
+ 0 0 {598 118006} 0 1 {718 118006} 1 0 16014
+}
+
+do_execsql_test 7.6 {
+ INSERT INTO x6(x6) VALUES('merge=2500,2');
+ SELECT level, idx, start_block, leaves_end_block, end_block FROM x6_segdir;
+} {
+ 2 0 23695 24147 {41262 633507}
+}
+
+do_execsql_test 7.7 {
+ SELECT sum(length(block)) FROM x6_segments
+ WHERE blockid BETWEEN 23695 AND 24147
+} {633507}
+
+
+
+finish_test
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 17:18:49 +0000