[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/ext/fts5/tool/loadfts5.tcl

Index: third_party/sqlite/sqlite-src-3170000/ext/fts5/tool/loadfts5.tcl
diff --git a/third_party/sqlite/sqlite-src-3170000/ext/fts5/tool/loadfts5.tcl b/third_party/sqlite/sqlite-src-3170000/ext/fts5/tool/loadfts5.tcl
new file mode 100644
index 0000000000000000000000000000000000000000..96fd69260ec2aaf86451a4a1dad8b33f30779830
--- /dev/null
+++ b/third_party/sqlite/sqlite-src-3170000/ext/fts5/tool/loadfts5.tcl
@@ -0,0 +1,172 @@
+
+
+proc loadfile {f} {
+  set fd [open $f]
+  set data [read $fd]
+  close $fd
+  return $data
+}
+
+set ::nRow 0
+set ::nRowPerDot 1000
+
+proc load_hierachy {dir} {
+  foreach f [glob -nocomplain -dir $dir *] {
+    if {$::O(limit) && $::nRow>=$::O(limit)} break
+    if {[file isdir $f]} {
+      load_hierachy $f
+    } else {
+      db eval { INSERT INTO t1 VALUES($f, loadfile($f)) }
+      incr ::nRow
+
+      if {$::O(trans) && ($::nRow % $::O(trans))==0} {
+        db eval { COMMIT }
+        db eval { INSERT INTO t1(t1) VALUES('integrity-check') }
+        db eval { BEGIN }
+      }
+
+      if {($::nRow % $::nRowPerDot)==0} {
+        puts -nonewline .
+        if {($::nRow % (65*$::nRowPerDot))==0} { puts "" }
+        flush stdout
+      }
+
+    }
+  }
+}
+
+proc usage {} {
+  puts stderr "Usage: $::argv0 ?SWITCHES? DATABASE PATH"
+  puts stderr ""
+  puts stderr "Switches are:"
+  puts stderr "  -fts4        (use fts4 instead of fts5)"
+  puts stderr "  -fts5        (use fts5)"
+  puts stderr "  -porter      (use porter tokenizer)"
+  puts stderr "  -delete      (delete the database file before starting)"
+  puts stderr "  -limit N     (load no more than N documents)"
+  puts stderr "  -automerge N (set the automerge parameter to N)"
+  puts stderr "  -crisismerge N (set the crisismerge parameter to N)"
+  puts stderr "  -prefix PREFIX (comma separated prefix= argument)"
+  puts stderr "  -trans N     (commit after N inserts - 0 == never)"
+  puts stderr "  -hashsize N  (set the fts5 hashsize parameter to N)"
+  puts stderr "  -detail MODE (detail mode for fts5 tables)"
+  exit 1
+}
+
+set O(vtab)       fts5
+set O(tok)        ""
+set O(limit)      0
+set O(delete)     0
+set O(automerge)  -1
+set O(crisismerge)  -1
+set O(prefix)     ""
+set O(trans)      0
+set O(hashsize)   -1
+set O(detail)     full
+
+if {[llength $argv]<2} usage
+set nOpt [expr {[llength $argv]-2}]
+for {set i 0} {$i < $nOpt} {incr i} {
+  set arg [lindex $argv $i]
+  switch -- [lindex $argv $i] {
+    -fts4 {
+      set O(vtab) fts4
+    }
+
+    -fts5 {
+      set O(vtab) fts5
+    }
+
+    -porter {
+      set O(tok) ", tokenize=porter"
+    }
+
+    -delete {
+      set O(delete) 1
+    }
+
+    -limit {
+      if { [incr i]>=$nOpt } usage
+      set O(limit) [lindex $argv $i]
+    }
+
+    -trans {
+      if { [incr i]>=$nOpt } usage
+      set O(trans) [lindex $argv $i]
+    }
+    
+    -automerge {
+      if { [incr i]>=$nOpt } usage
+      set O(automerge) [lindex $argv $i]
+    }
+
+    -crisismerge {
+      if { [incr i]>=$nOpt } usage
+      set O(crisismerge) [lindex $argv $i]
+    }
+
+    -prefix {
+      if { [incr i]>=$nOpt } usage
+      set O(prefix) [lindex $argv $i]
+    }
+
+    -hashsize {
+      if { [incr i]>=$nOpt } usage
+      set O(hashsize) [lindex $argv $i]
+    }
+
+    -detail {
+      if { [incr i]>=$nOpt } usage
+      set O(detail) [lindex $argv $i]
+    }
+
+    default {
+      usage
+    }
+  }
+}
+
+set dbfile [lindex $argv end-1]
+if {$O(delete)} { file delete -force $dbfile }
+sqlite3 db $dbfile
+catch { load_static_extension db fts5 }
+db func loadfile loadfile
+db eval "PRAGMA page_size=4096"
+
+db eval BEGIN
+  set pref ""
+  if {$O(prefix)!=""} { set pref ", prefix='$O(prefix)'" }
+  if {$O(vtab)=="fts5"} {
+    append pref ", detail=$O(detail)"
+  }
+  catch {
+    db eval "CREATE VIRTUAL TABLE t1 USING $O(vtab) (path, content$O(tok)$pref)"
+    db eval "INSERT INTO t1(t1, rank) VALUES('pgsz', 4050);"
+  }
+
+  if {$O(hashsize)>=0} {
+    catch {
+      db eval "INSERT INTO t1(t1, rank) VALUES('hashsize', $O(hashsize));"
+    }
+  }
+
+
+  if {$O(automerge)>=0} {
+    if {$O(vtab) == "fts5"} {
+      db eval { INSERT INTO t1(t1, rank) VALUES('automerge', $O(automerge)) }
+    } else {
+      db eval { INSERT INTO t1(t1) VALUES('automerge=' || $O(automerge)) }
+    }
+  }
+  if {$O(crisismerge)>=0} {
+    if {$O(vtab) == "fts5"} {
+      db eval {INSERT INTO t1(t1, rank) VALUES('crisismerge', $O(crisismerge))}
+    } else {
+    }
+  }
+  load_hierachy [lindex $argv end]
+db eval COMMIT
+puts ""
+
+
+