[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/tool/vdbe_profile.tcl

-#!/bin/tclsh
-#
-# Run this script in the same directory as the "vdbe_profile.out" file.
-# This script summarizes the results contained in that file.
-#
-if {![file readable vdbe_profile.out]} {
-  error "run this script in the same directory as the vdbe_profile.out file"
-}
-set in [open vdbe_profile.out r]
-set stmt {}
-set allstmt {}
-while {![eof $in]} {
-  set line [gets $in]
-  if {$line==""} continue
-  if {[regexp {^---- } $line]} {
-    set stmt [lindex $line 1]
-    if {[info exists cnt($stmt)]} {
-      incr cnt($stmt)
-      set firsttime 0
-    } else {
-      set cnt($stmt) 1
-      set sql($stmt) {}
-      set firsttime 1
-      lappend allstmt $stmt
-    }
-    continue;
-  }
-  if {[regexp {^-- } $line]} {
-    if {$firsttime} {
-      append sql($stmt) [string range $line 3 end]\n
-    }
-    continue
-  }
-  if {![regexp {^ *\d+ *\d+ *\d+ *\d+ ([A-Z].*)} $line all detail]} continue
-  set c [lindex $line 0]
-  set t [lindex $line 1]
-  set addr [lindex $line 3]
-  set op [lindex $line 4]
-  if {[info exists opcnt($op)]} {
-    incr opcnt($op) $c
-    incr opcycle($op) $t
-  } else {
-    set opcnt($op) $c
-    set opcycle($op) $t
-  }
-  if {[info exists stat($stmt,$addr)]} {
-    foreach {cx tx detail} $stat($stmt,$addr) break
-    incr cx $c
-    incr tx $t
-    set stat($stmt,$addr) [list $cx $tx $detail]
-  } else {
-    set stat($stmt,$addr) [list $c $t $detail]
-  }
-}
-close $in
-
-foreach stmt $allstmt {
-  puts "********************************************************************"
-  puts [string trim $sql($stmt)]
-  puts "Execution count: $cnt($stmt)"
-  for {set i 0} {[info exists stat($stmt,$i)]} {incr i} {
-    foreach {cx tx detail} $stat($stmt,$i) break
-    if {$cx==0} {
-      set ax 0
-    } else {
-      set ax [expr {$tx/$cx}]
-    }
-    puts [format {%8d %12d %12d %4d %s} $cx $tx $ax $i $detail]
-  }
-}
-puts "********************************************************************"
-puts "OPCODES:"
-foreach op [lsort [array names opcnt]] {
-  set cx $opcnt($op)
-  set tx $opcycle($op)
-  if {$cx==0} {
-    set ax 0
-  } else {
-    set ax [expr {$tx/$cx}]
-  }
-  puts [format {%8d %12d %12d %s} $cx $tx $ax $op]
-}