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Unified Diff: third_party/sqlite/src/test/fts4opt.test

Issue 2751253002: [sql] Import SQLite 3.17.0. (Closed)
Patch Set: also clang on Linux i386 Created 3 years, 9 months ago
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Index: third_party/sqlite/src/test/fts4opt.test
diff --git a/third_party/sqlite/src/test/fts4opt.test b/third_party/sqlite/src/test/fts4opt.test
new file mode 100644
index 0000000000000000000000000000000000000000..0d0ed9f4f0c87aaa618529744e110feaab085cca
--- /dev/null
+++ b/third_party/sqlite/src/test/fts4opt.test
@@ -0,0 +1,213 @@
+# 2016 March 8
+#
+# 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.
+#
+#*************************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+source $testdir/fts3_common.tcl
+set ::testprefix fts4opt
+
+# If SQLITE_ENABLE_FTS3 is defined, omit this file.
+ifcapable !fts3 {
+ finish_test
+ return
+}
+
+# Create the fts_kjv_genesis procedure which fills and FTS3/4 table
+# with the complete text of the Book of Genesis.
+#
+source $testdir/genesis.tcl
+
+do_execsql_test 1.0 { CREATE TABLE t1(docid, words) }
+fts_kjv_genesis
+
+#-------------------------------------------------------------------------
+# Argument $db is an open database handle. $tbl is the name of an FTS3/4
+# table with the database. This command rearranges the contents of the
+# %_segdir table so that all segments within each index are on the same
+# level. This means that the 'merge' command can then be used for an
+# incremental optimize routine.
+#
+proc prepare_for_optimize {db tbl} {
+ $db eval [string map [list % $tbl] {
+ BEGIN;
+ CREATE TEMP TABLE tmp_segdir(
+ level, idx, start_block, leaves_end_block, end_block, root
+ );
+
+ INSERT INTO temp.tmp_segdir
+ SELECT
+ 1024*(o.level / 1024) + 32, -- level
+ sum(o.level<i.level OR (o.level=i.level AND o.idx>i.idx)), -- idx
+ o.start_block, o.leaves_end_block, o.end_block, o.root -- other
+ FROM %_segdir o, %_segdir i
+ WHERE (o.level / 1024) = (i.level / 1024)
+ GROUP BY o.level, o.idx;
+
+ DELETE FROM %_segdir;
+ INSERT INTO %_segdir SELECT * FROM temp.tmp_segdir;
+ DROP TABLE temp.tmp_segdir;
+
+ COMMIT;
+ }]
+}
+
+do_test 1.1 {
+ execsql { CREATE VIRTUAL TABLE t2 USING fts4(words, prefix="1,2,3") }
+ foreach {docid words} [db eval { SELECT * FROM t1 }] {
+ execsql { INSERT INTO t2(docid, words) VALUES($docid, $words) }
+ }
+} {}
+
+do_execsql_test 1.2 {
+ SELECT level, count(*) FROM t2_segdir GROUP BY level
+} {
+ 0 13 1 15 2 5
+ 1024 13 1025 15 1026 5
+ 2048 13 2049 15 2050 5
+ 3072 13 3073 15 3074 5
+}
+
+do_execsql_test 1.3 { INSERT INTO t2(t2) VALUES('integrity-check') }
+prepare_for_optimize db t2
+do_execsql_test 1.4 { INSERT INTO t2(t2) VALUES('integrity-check') }
+
+do_execsql_test 1.5 {
+ SELECT level, count(*) FROM t2_segdir GROUP BY level
+} {
+ 32 33
+ 1056 33
+ 2080 33
+ 3104 33
+}
+
+do_test 1.6 {
+ while 1 {
+ set tc1 [db total_changes]
+ execsql { INSERT INTO t2(t2) VALUES('merge=5,2') }
+ set tc2 [db total_changes]
+ if {($tc2 - $tc1) < 2} break
+ }
+ execsql { SELECT level, count(*) FROM t2_segdir GROUP BY level }
+} {33 1 1057 1 2081 1 3105 1}
+do_execsql_test 1.7 { INSERT INTO t2(t2) VALUES('integrity-check') }
+
+do_execsql_test 1.8 {
+ INSERT INTO t2(words) SELECT words FROM t1;
+ SELECT level, count(*) FROM t2_segdir GROUP BY level;
+} {0 2 1024 2 2048 2 3072 2}
+
+#-------------------------------------------------------------------------
+
+do_execsql_test 2.0 {
+ DELETE FROM t2;
+}
+do_test 2.1 {
+ foreach {docid words} [db eval { SELECT * FROM t1 }] {
+ execsql { INSERT INTO t2(docid, words) VALUES($docid, $words) }
+ }
+
+ set i 0
+ foreach {docid words} [db eval { SELECT * FROM t1 }] {
+ if {[incr i] % 2} { execsql { DELETE FROM t2 WHERE docid = $docid } }
+ }
+
+ set i 0
+ foreach {docid words} [db eval { SELECT * FROM t1 }] {
+ if {[incr i] % 3} {
+ execsql { INSERT OR REPLACE INTO t2(docid, words) VALUES($docid, $words) }
+ }
+ }
+} {}
+
+do_execsql_test 2.2 {
+ SELECT level, count(*) FROM t2_segdir GROUP BY level
+} {
+ 0 10 1 15 2 12
+ 1024 10 1025 15 1026 12
+ 2048 10 2049 15 2050 12
+ 3072 10 3073 15 3074 12
+}
+
+do_execsql_test 2.3 { INSERT INTO t2(t2) VALUES('integrity-check') }
+prepare_for_optimize db t2
+do_execsql_test 2.4 { INSERT INTO t2(t2) VALUES('integrity-check') }
+
+do_execsql_test 2.5 {
+ SELECT level, count(*) FROM t2_segdir GROUP BY level
+} {
+ 32 37
+ 1056 37
+ 2080 37
+ 3104 37
+}
+
+do_test 2.6 {
+ while 1 {
+ set tc1 [db total_changes]
+ execsql { INSERT INTO t2(t2) VALUES('merge=5,2') }
+ set tc2 [db total_changes]
+ if {($tc2 - $tc1) < 2} break
+ }
+ execsql { SELECT level, count(*) FROM t2_segdir GROUP BY level }
+} {33 1 1057 1 2081 1 3105 1}
+do_execsql_test 2.7 { INSERT INTO t2(t2) VALUES('integrity-check') }
+
+do_execsql_test 2.8 {
+ INSERT INTO t2(words) SELECT words FROM t1;
+ SELECT level, count(*) FROM t2_segdir GROUP BY level;
+} {0 2 1024 2 2048 2 3072 2}
+
+#-------------------------------------------------------------------------
+# Check that 'optimize' works when there is data in the in-memory hash
+# table, but no segments at all on disk.
+#
+do_execsql_test 3.1 {
+ CREATE VIRTUAL TABLE fts USING fts4 (t);
+ INSERT INTO fts (fts) VALUES ('optimize');
+}
+do_execsql_test 3.2 {
+ INSERT INTO fts(fts) VALUES('integrity-check');
+ SELECT count(*) FROM fts_segdir;
+} {0}
+do_execsql_test 3.3 {
+ BEGIN;
+ INSERT INTO fts (rowid, t) VALUES (2, 'test');
+ INSERT INTO fts (fts) VALUES ('optimize');
+ COMMIT;
+ SELECT level, idx FROM fts_segdir;
+} {0 0}
+do_execsql_test 3.4 {
+ INSERT INTO fts(fts) VALUES('integrity-check');
+ SELECT rowid FROM fts WHERE fts MATCH 'test';
+} {2}
+do_execsql_test 3.5 {
+ INSERT INTO fts (fts) VALUES ('optimize');
+ INSERT INTO fts(fts) VALUES('integrity-check');
+}
+do_test 3.6 {
+ set c1 [db total_changes]
+ execsql { INSERT INTO fts (fts) VALUES ('optimize') }
+ expr {[db total_changes] - $c1}
+} {1}
+do_test 3.7 {
+ execsql { INSERT INTO fts (rowid, t) VALUES (3, 'xyz') }
+ set c1 [db total_changes]
+ execsql { INSERT INTO fts (fts) VALUES ('optimize') }
+ expr {([db total_changes] - $c1) > 1}
+} {1}
+do_test 3.8 {
+ set c1 [db total_changes]
+ execsql { INSERT INTO fts (fts) VALUES ('optimize') }
+ expr {[db total_changes] - $c1}
+} {1}
+
+finish_test
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