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Overview
Comment:Store the search database, search-log database and search "admin" script in a separate directory.
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SHA1: 28aa410b46b07feeef76eeb4533dee39de819345
User & Date: dan 2016-08-31 06:35:46
Context
2016-08-31
07:00
Fix a build error in the previous commit. (check-in: 1e433b2be3 user: dan tags: trunk)
06:35
Store the search database, search-log database and search "admin" script in a separate directory. (check-in: 28aa410b46 user: dan tags: trunk)
2016-08-30
17:05
Tweak the search engines ranking algorithm slightly. Add a logging database and a way for admins to view the most recent queries. (check-in: 4dd2793f98 user: dan tags: trunk)
Changes
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Changes to main.mk. 

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#
SFLAGS = $(TCLINC) -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_FTS5 -DSQLITE_TCLMD5 -DTCLSH -Dmain=xmain

$(TCLSH): $(SSRC)
	$(CC) -O2 -o $@ -I. $(SFLAGS) $(SSRC) $(TCLFLAGS)

searchdb: $(TCLSH)

	./$(TCLSH) $(DOC)/search/buildsearchdb.tcl
	cp $(DOC)/document_header.tcl doc/document_header.tcl

	cp $(DOC)/search/search.tcl doc/search
	chmod +x doc/search



always:	

clean:	
	rm -rf $(TCLSH) doc sqlite3.h








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#
SFLAGS = $(TCLINC) -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_FTS5 -DSQLITE_TCLMD5 -DTCLSH -Dmain=xmain

$(TCLSH): $(SSRC)
	$(CC) -O2 -o $@ -I. $(SFLAGS) $(SSRC) $(TCLFLAGS)

searchdb: $(TCLSH)
	mkdir doc/search.d/
	./$(TCLSH) $(DOC)/search/buildsearchdb.tcl
	cp $(DOC)/document_header.tcl doc/document_header.tcl
	cp $(DOC)/document_header.tcl doc/search.d/document_header.tcl
	cp $(DOC)/search/search.tcl doc/search
	chmod +x doc/search
	cp $(DOC)/search/search.tcl doc/search.d/admin
	chmod +x doc/search.d/admin

always:	

clean:	
	rm -rf $(TCLSH) doc sqlite3.h

Changes to search/buildsearchdb.tcl. 

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    }
  }

  db eval VACUUM
}

cd doc
sqlite3 db search.db
rebuild_database








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    }
  }

  db eval VACUUM
}

cd doc
sqlite3 db search.d/search.db
rebuild_database

Changes to search/search.tcl. 

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#-------------------------------------------------------------------------
# Add an entry to the log database for the current query. Which 
# returns $nRes results.
#
proc search_add_log_entry {nRes} {
  if {[info exists ::A(donotlog)]} return

  sqlite3 db2 searchlog.db
  db2 timeout 10000

  set ip $::env(REMOTE_ADDR)
  set query $::A(q)

  db2 eval {
    PRAGMA synchronous=OFF;

    BEGIN;
      CREATE TABLE IF NOT EXISTS log(
        ip,                  -- IP query was made from
        query,               -- Fts5 query string
        nres,                -- Number of results
        timestamp DEFAULT CURRENT_TIMESTAMP
      );
................................................................................
  if {$limit==10} {set s10 selected}
  if {$limit==100} {set s100 selected}
  if {$limit==1000} {set s1000 selected}

  append res "
    <div style=\"margin:2em\">
    <center>
    <form action=search method=get>
      <input type=hidden name=admin>
      Results: <select name=limit onChange=\"this.form.submit()\">
        <option $s10 value=\"10\">10</option>
        <option $s100 value=\"100\">100</option>
        <option $s1000 value=\"1000\">1000</option>
      </select>
      IP: <input type=input name=ip value=\"[attrize $ipfilter]\"> 
      Unique: <input 
        type=checkbox name=unique value=1 
        $checked
        onChange=\"this.form.submit()\"
      >
      <input type=submit>
    </form action=search method=get>
    </center>
    </div>
  "

  set i 0
  append res "<table border=1 cellpadding=10 align=center>\n"
  append res "<tr><td><th>IP <th>Query <th> Results <th> Timestamp\n"
................................................................................
  " {

    if {[info exists ::A(unique)] && $::A(unique)} {
      if {[info exists seen($query)]} continue
      set seen($query) 1
    }

    set querylink "<a href=\"?q=[attrize $query]&donotlog=1\">$query</a>"
    set iplink "<a href=\"?admin=1&ip=$ip\">$ip</a>"

    append res "  <tr> <td> $rowid <td> $iplink <td> $querylink"
    append res "       <td> $nres <td> $timestamp\n"

    incr i
    if {$i >= $limit} break
................................................................................
  }

  return $ret
}

proc main {} {
  global A
  sqlite3 db search.db
  cgi_parse_args

  # If "env=1" is specified, dump the environment variables instead
  # of running any search.
  if {[info exists ::A(env)]} { return [cgi_env_dump] }
  
  # If "admin=1" is specified, jump to the admin screen.


  if {[info exists ::A(admin)]} { return [admin_list]}




  db transaction {
    set t [ttime { 
      if {[catch searchresults srchout]} {
        set A(q) [string tolower $A(q)]
        set srchout [searchresults]
      }
................................................................................
  set ::HEADER ""

  #set env(QUERY_STRING) {q="one+two+three+four"+eleven}
  set env(QUERY_STRING) {q=windows}
  set ::HEADER ""
}


if {0==[catch main res]} {
  set title "Search SQLite Documentation"
  if {[info exists ::A(q)]} {
    set initsearch [attrize $::A(q)]
    append title " - [htmlize $::A(q)]"
  } else {
    set initsearch {}
  }
  set document [document_header $title "" $initsearch]
  append document $res
} else {
  set document "<pre>"
  append document "Error: $res\n\n"
  append document $::errorInfo
  append document "</pre>"
}








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#-------------------------------------------------------------------------
# Add an entry to the log database for the current query. Which 
# returns $nRes results.
#
proc search_add_log_entry {nRes} {
  if {[info exists ::A(donotlog)]} return

  sqlite3 db2 search.d/searchlog.db
  db2 timeout 10000

  set ip $::env(REMOTE_ADDR)
  set query $::A(q)

  db2 eval {
    PRAGMA synchronous=OFF;
    PRAGMA journal_mode=OFF;
    BEGIN;
      CREATE TABLE IF NOT EXISTS log(
        ip,                  -- IP query was made from
        query,               -- Fts5 query string
        nres,                -- Number of results
        timestamp DEFAULT CURRENT_TIMESTAMP
      );
................................................................................
  if {$limit==10} {set s10 selected}
  if {$limit==100} {set s100 selected}
  if {$limit==1000} {set s1000 selected}

  append res "
    <div style=\"margin:2em\">
    <center>
    <form action=admin method=get>

      Results: <select name=limit onChange=\"this.form.submit()\">
        <option $s10 value=\"10\">10</option>
        <option $s100 value=\"100\">100</option>
        <option $s1000 value=\"1000\">1000</option>
      </select>
      IP: <input type=input name=ip value=\"[attrize $ipfilter]\"> 
      Unique: <input 
        type=checkbox name=unique value=1 
        $checked
        onChange=\"this.form.submit()\"
      >
      <input type=submit>
    </form>
    </center>
    </div>
  "

  set i 0
  append res "<table border=1 cellpadding=10 align=center>\n"
  append res "<tr><td><th>IP <th>Query <th> Results <th> Timestamp\n"
................................................................................
  " {

    if {[info exists ::A(unique)] && $::A(unique)} {
      if {[info exists seen($query)]} continue
      set seen($query) 1
    }

    set querylink "<a href=\"../search?q=[attrize $query]&donotlog=1\">$query</a>"
    set iplink "<a href=\"?admin=1&ip=$ip\">$ip</a>"

    append res "  <tr> <td> $rowid <td> $iplink <td> $querylink"
    append res "       <td> $nres <td> $timestamp\n"

    incr i
    if {$i >= $limit} break
................................................................................
  }

  return $ret
}

proc main {} {
  global A

  cgi_parse_args

  # If "env=1" is specified, dump the environment variables instead
  # of running any search.
  if {[info exists ::A(env)]} { return [cgi_env_dump] }
  
  # If "admin=1" is specified, jump to the admin screen.
  if {[string match *admin* $::env(REQUEST_URI)]} {
    set ::PATH ../
    return [admin_list]
  }

  sqlite3 db search.d/search.db

  db transaction {
    set t [ttime { 
      if {[catch searchresults srchout]} {
        set A(q) [string tolower $A(q)]
        set srchout [searchresults]
      }
................................................................................
  set ::HEADER ""

  #set env(QUERY_STRING) {q="one+two+three+four"+eleven}
  set env(QUERY_STRING) {q=windows}
  set ::HEADER ""
}

set ::PATH ""
if {0==[catch main res]} {
  set title "Search SQLite Documentation"
  if {[info exists ::A(q)]} {
    set initsearch [attrize $::A(q)]
    append title " - [htmlize $::A(q)]"
  } else {
    set initsearch {}
  }
  set document [document_header $title $::PATH $initsearch]
  append document $res
} else {
  set document "<pre>"
  append document "Error: $res\n\n"
  append document $::errorInfo
  append document "</pre>"
}

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