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Unified Diff: third_party/sqlite/sqlite-src-3080704/ext/fts3/fts3speed.tcl

Issue 949043002: Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 10 months ago
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Index: third_party/sqlite/sqlite-src-3080704/ext/fts3/fts3speed.tcl
diff --git a/third_party/sqlite/sqlite-src-3080704/ext/fts3/fts3speed.tcl b/third_party/sqlite/sqlite-src-3080704/ext/fts3/fts3speed.tcl
new file mode 100644
index 0000000000000000000000000000000000000000..377cb196065699557b0a035a1e9d74808321187a
--- /dev/null
+++ b/third_party/sqlite/sqlite-src-3080704/ext/fts3/fts3speed.tcl
@@ -0,0 +1,122 @@
+
+
+#--------------------------------------------------------------------------
+# This script contains several sub-programs used to test FTS3/FTS4
+# performance. It does not run the queries directly, but generates SQL
+# scripts that can be run using the shell tool.
+#
+# The following cases are tested:
+#
+# 1. Inserting documents into an FTS3 table.
+# 2. Optimizing an FTS3 table (i.e. "INSERT INTO t1 VALUES('optimize')").
+# 3. Deleting documents from an FTS3 table.
+# 4. Querying FTS3 tables.
+#
+
+# Number of tokens in vocabulary. And number of tokens in each document.
+#
+set VOCAB_SIZE 2000
+set DOC_SIZE 100
+
+set NUM_INSERTS 100000
+set NUM_SELECTS 1000
+
+# Force everything in this script to be deterministic.
+#
+expr {srand(0)}
+
+proc usage {} {
+ puts stderr "Usage: $::argv0 <rows> <selects>"
+ exit -1
+}
+
+proc sql {sql} {
+ puts $::fd $sql
+}
+
+
+# Return a list of $nWord randomly generated tokens each between 2 and 10
+# characters in length.
+#
+proc build_vocab {nWord} {
+ set ret [list]
+ set chars [list a b c d e f g h i j k l m n o p q r s t u v w x y z]
+ for {set i 0} {$i<$nWord} {incr i} {
+ set len [expr {int((rand()*9.0)+2)}]
+ set term ""
+ for {set j 0} {$j<$len} {incr j} {
+ append term [lindex $chars [expr {int(rand()*[llength $chars])}]]
+ }
+ lappend ret $term
+ }
+ set ret
+}
+
+proc select_term {} {
+ set n [llength $::vocab]
+ set t [expr int(rand()*$n*3)]
+ if {$t>=2*$n} { set t [expr {($t-2*$n)/100}] }
+ if {$t>=$n} { set t [expr {($t-$n)/10}] }
+ lindex $::vocab $t
+}
+
+proc select_doc {nTerm} {
+ set ret [list]
+ for {set i 0} {$i<$nTerm} {incr i} {
+ lappend ret [select_term]
+ }
+ set ret
+}
+
+proc test_1 {nInsert} {
+ sql "PRAGMA synchronous = OFF;"
+ sql "DROP TABLE IF EXISTS t1;"
+ sql "CREATE VIRTUAL TABLE t1 USING fts4;"
+ for {set i 0} {$i < $nInsert} {incr i} {
+ set doc [select_doc $::DOC_SIZE]
+ sql "INSERT INTO t1 VALUES('$doc');"
+ }
+}
+
+proc test_2 {} {
+ sql "INSERT INTO t1(t1) VALUES('optimize');"
+}
+
+proc test_3 {nSelect} {
+ for {set i 0} {$i < $nSelect} {incr i} {
+ sql "SELECT count(*) FROM t1 WHERE t1 MATCH '[select_term]';"
+ }
+}
+
+proc test_4 {nSelect} {
+ for {set i 0} {$i < $nSelect} {incr i} {
+ sql "SELECT count(*) FROM t1 WHERE t1 MATCH '[select_term] [select_term]';"
+ }
+}
+
+if {[llength $argv]!=0} usage
+
+set ::vocab [build_vocab $::VOCAB_SIZE]
+
+set ::fd [open fts3speed_insert.sql w]
+test_1 $NUM_INSERTS
+close $::fd
+
+set ::fd [open fts3speed_select.sql w]
+test_3 $NUM_SELECTS
+close $::fd
+
+set ::fd [open fts3speed_select2.sql w]
+test_4 $NUM_SELECTS
+close $::fd
+
+set ::fd [open fts3speed_optimize.sql w]
+test_2
+close $::fd
+
+puts "Success. Created files:"
+puts " fts3speed_insert.sql"
+puts " fts3speed_select.sql"
+puts " fts3speed_select2.sql"
+puts " fts3speed_optimize.sql"
+

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