JS: upgrade script, stats, version string

javascript/extractor/src/com/semmle/js/extractor/Main.java

@@ -1,5 +1,13 @@
 package com.semmle.js.extractor;
 
+import java.io.File;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.regex.Pattern;
+
 import com.semmle.js.extractor.ExtractorConfig.HTMLHandling;
 import com.semmle.js.extractor.ExtractorConfig.Platform;
 import com.semmle.js.extractor.ExtractorConfig.SourceType;
@@ -23,13 +31,6 @@ import com.semmle.util.language.LegacyLanguage;
 import com.semmle.util.process.ArgsParser;
 import com.semmle.util.process.ArgsParser.FileMode;
 import com.semmle.util.trap.TrapWriter;
-import java.io.File;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.LinkedHashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.regex.Pattern;
 
 /** The main entry point of the JavaScript extractor. */
 public class Main {
@@ -37,7 +38,7 @@ public class Main {
    * A version identifier that should be updated every time the extractor changes in such a way that
    * it may produce different tuples for the same file under the same {@link ExtractorConfig}.
    */
-  public static final String EXTRACTOR_VERSION = "2019-09-13";
+  public static final String EXTRACTOR_VERSION = "2019-09-18";
 
   public static final Pattern NEWLINE = Pattern.compile("\n");
 

javascript/ql/src/semmlecode.javascript.dbscheme.stats

@@ -16715,6 +16715,69 @@
 </dependencies>
 </relation>
 <relation>
+<name>declared_function_signature</name>
+<cardinality>62664</cardinality>
+<columnsizes>
+<e>
+<k>node</k>
+<v>62664</v>
+</e>
+<e>
+<k>sig</k>
+<v>21731</v>
+</e>
+</columnsizes>
+<dependencies>
+<dep>
+<src>node</src>
+<trg>sig</trg>
+<val>
+<hist>
+<budget>12</budget>
+<bs>
+<b>
+<a>1</a>
+<b>2</b>
+<v>62664</v>
+</b>
+</bs>
+</hist>
+</val>
+</dep>
+<dep>
+<src>sig</src>
+<trg>node</trg>
+<val>
+<hist>
+<budget>12</budget>
+<bs>
+<b>
+<a>1</a>
+<b>2</b>
+<v>16826</v>
+</b>
+<b>
+<a>2</a>
+<b>3</b>
+<v>2358</v>
+</b>
+<b>
+<a>3</a>
+<b>6</b>
+<v>1683</v>
+</b>
+<b>
+<a>6</a>
+<b>10251</b>
+<v>864</v>
+</b>
+</bs>
+</hist>
+</val>
+</dep>
+</dependencies>
+</relation>
+<relation>
 <name>invoke_expr_signature</name>
 <cardinality>140668</cardinality>
 <columnsizes>

javascript/upgrades/56b74a6808d3fe01835d454c25ea8dc3da1a8fdf/upgrade.properties

@@ -0,0 +1,2 @@
+description: add declared function signatures to database
+compatibility: backwards