asterix-aql/src/main/javacc/AQL.html - asterixdb - Git at Google

 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
 <HTML>
 <HEAD>
 <TITLE>BNF for AQL.jj</TITLE>
 </HEAD>
 <BODY>
 <H1 ALIGN=CENTER>BNF for AQL.jj</H1>
 <H2 ALIGN=CENTER>TOKENS</H2>
 <TABLE>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;CARET: "^"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;DATASET: "dataset"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;LEFTPAREN: "("&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;RIGHTPAREN: ")"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;INTEGER_LITERAL: (&lt;DIGIT&gt;)+&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;NULL: "null"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;TRUE: "true"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;FALSE: "false"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;#DIGIT: ["0"-"9"]&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;DOUBLE_LITERAL: &lt;INTEGER&gt; | &lt;INTEGER&gt; ("." &lt;INTEGER&gt;)? | "." &lt;INTEGER&gt;&gt;
 | &lt;FLOAT_LITERAL: &lt;INTEGER&gt; ("f" | "F") | &lt;INTEGER&gt; ("." &lt;INTEGER&gt; ("f" | "F"))? | "." &lt;INTEGER&gt; ("f" | "F")&gt;
 | &lt;INTEGER: (&lt;DIGIT&gt;)+&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;#LETTER: ["A"-"Z","a"-"z"]&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;SPECIALCHARS: ["$","_","-"]&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;STRING_LITERAL: "\"" (&lt;EscapeQuot&gt; | ~["\""])* "\"" | "\'" (&lt;EscapeApos&gt; | ~["\'"])* "\'"&gt;
 | &lt;#EscapeQuot: "\\\""&gt;
 | &lt;#EscapeApos: "\\\'"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;IDENTIFIER: (&lt;LETTER&gt;)+ (&lt;LETTER&gt; | &lt;DIGIT&gt; | &lt;SPECIALCHARS&gt;)*&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; TOKEN : {
 &lt;VARIABLE: "$" &lt;IDENTIFIER&gt;&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; SKIP : {
 " "
 | "\t"
 | "\r"
 | "\n"
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; SKIP : {
 &lt;"//" (~["\n"])* "\n"&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; SKIP : {
 &lt;"//" (~["\n","\r"])* ("\n" | "\r" | "\r\n")?&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;DEFAULT&gt; SKIP : {
 "/*" : INSIDE_COMMENT
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;INSIDE_COMMENT&gt; SPECIAL : {
 &lt;"+" (" ")* (~["*"])*&gt;
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;INSIDE_COMMENT&gt; SKIP : {
 "/*" : {
 }

    </PRE>
   </TD>
  </TR>
  <!-- Token -->
  <TR>
   <TD>
    <PRE>
 &lt;INSIDE_COMMENT&gt; SKIP : {
 "*/" : {
 | &lt;~[]&gt;
 }

    </PRE>
   </TD>
  </TR>
 </TABLE>
 <H2 ALIGN=CENTER>NON-TERMINALS</H2>
 <TABLE>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod1">Statement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( ( ( "use" | "declare" "function" | "create" ( "type" | "nodegroup" | "external" &lt;DATASET&gt; | &lt;DATASET&gt; | "index" | "dataverse" ) | "load" | "enlist" | "drop" ( &lt;DATASET&gt; | "index" | "nodegroup" | "type" | "dataverse" ) | "write" | "set" | "insert" | "delete" | "update" )* ( <A HREF="#prod2">Query</A> )? ) &lt;EOF&gt; )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod3">InsertStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"into" &lt;DATASET&gt; &lt;IDENTIFIER&gt; &lt;LEFTPAREN&gt; <A HREF="#prod2">Query</A> &lt;RIGHTPAREN&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod4">DeleteStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod5">Variable</A> "from" &lt;DATASET&gt; &lt;IDENTIFIER&gt; ( "where" <A HREF="#prod6">Expression</A> )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod7">UpdateStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> "where" <A HREF="#prod6">Expression</A> &lt;LEFTPAREN&gt; ( <A HREF="#prod8">UpdateClause</A> ( "," <A HREF="#prod8">UpdateClause</A> )* ) &lt;RIGHTPAREN&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod8">UpdateClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"set" <A HREF="#prod6">Expression</A> ":=" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>|</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"insert" <A HREF="#prod3">InsertStatement</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>|</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"delete" <A HREF="#prod4">DeleteStatement</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>|</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"update" <A HREF="#prod7">UpdateStatement</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>|</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"if" &lt;LEFTPAREN&gt; <A HREF="#prod6">Expression</A> &lt;RIGHTPAREN&gt; "then" <A HREF="#prod8">UpdateClause</A> ( "else" <A HREF="#prod8">UpdateClause</A> )?</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod9">SetStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; &lt;STRING_LITERAL&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod10">WriteStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( ( "output" "to" &lt;IDENTIFIER&gt; ":" &lt;STRING_LITERAL&gt; ( "using" &lt;STRING_LITERAL&gt; )? ) | ( "into" &lt;DATASET&gt; &lt;IDENTIFIER&gt; &lt;LEFTPAREN&gt; <A HREF="#prod2">Query</A> &lt;RIGHTPAREN&gt; ) ) ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod11">CreateIndexStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if not exists" )? "on" &lt;IDENTIFIER&gt; &lt;LEFTPAREN&gt; ( &lt;IDENTIFIER&gt; ) ( "," &lt;IDENTIFIER&gt; )* &lt;RIGHTPAREN&gt; ( "type" ( "btree" | "keyword" | "qgram" | "rtree" ) ";" | ";" )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod12">DataverseDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"dataverse" &lt;IDENTIFIER&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod13">DropStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if exists" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod14">IndexDropStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; "." &lt;IDENTIFIER&gt; ( "if exists" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod15">NodeGroupDropStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if exists" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod16">TypeDropStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if exists" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod17">DataverseDropStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if exists" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod18">CreateDataverseStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if not exists" )? ( "with format" &lt;STRING_LITERAL&gt; )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod19">LoadStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;DATASET&gt; &lt;IDENTIFIER&gt; "from" ( &lt;IDENTIFIER&gt; ":" &lt;STRING_LITERAL&gt; ) ( "," &lt;IDENTIFIER&gt; ":" &lt;STRING_LITERAL&gt; )* ( "delimited" "by" &lt;STRING_LITERAL&gt; )? ( "pre-sorted" )? ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod20">EnlistStatement</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;DATASET&gt; &lt;IDENTIFIER&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod21">DatasetDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if not exists" )? ( &lt;LEFTPAREN&gt; &lt;IDENTIFIER&gt; &lt;RIGHTPAREN&gt; )?</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod22">InternalDatasetDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"partitioned" "by" "key" &lt;IDENTIFIER&gt; ( "," &lt;IDENTIFIER&gt; )* "on" &lt;IDENTIFIER&gt; ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod23">ExternalDatasetDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( "hdfs" ( &lt;STRING_LITERAL&gt; ) | "splits" ( &lt;IDENTIFIER&gt; ":" &lt;STRING_LITERAL&gt; ) ( "," &lt;IDENTIFIER&gt; ":" &lt;STRING_LITERAL&gt; )* ) "using" ( &lt;STRING_LITERAL&gt; &lt;LEFTPAREN&gt; ( ( &lt;LEFTPAREN&gt; ( &lt;STRING_LITERAL&gt; ":" &lt;STRING_LITERAL&gt; ) &lt;RIGHTPAREN&gt; ) ( "," &lt;LEFTPAREN&gt; ( &lt;STRING_LITERAL&gt; ":" &lt;STRING_LITERAL&gt; ) &lt;RIGHTPAREN&gt; )* )? &lt;RIGHTPAREN&gt; ) ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod24">NodegroupDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if not exists" )? "on" &lt;IDENTIFIER&gt; ( "," &lt;IDENTIFIER&gt; )* ";"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod25">TypeDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ( "if not exists" )? "as" ( <A HREF="#prod26">TypeExpr</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod26">TypeExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod27">RecordTypeDef</A> | <A HREF="#prod28">TypeReference</A> | <A HREF="#prod29">OrderedListTypeDef</A> | <A HREF="#prod30">UnorderedListTypeDef</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod27">RecordTypeDef</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( "closed" | "open" )? "{" ( <A HREF="#prod31">RecordField</A> ( "," <A HREF="#prod31">RecordField</A> )* )? "}"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod31">RecordField</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; ":" ( <A HREF="#prod26">TypeExpr</A> ) ( "?" )?</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod28">TypeReference</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod29">OrderedListTypeDef</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod26">TypeExpr</A> ) "]"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod30">UnorderedListTypeDef</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"&lt;" ( <A HREF="#prod26">TypeExpr</A> ) "&gt;"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod32">FunctionDeclaration</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;IDENTIFIER&gt; &lt;LEFTPAREN&gt; ( &lt;VARIABLE&gt; ( "," &lt;VARIABLE&gt; )* )? &lt;RIGHTPAREN&gt; "{" <A HREF="#prod6">Expression</A> "}"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod2">Query</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod6">Expression</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod33">OperatorExpr</A> | <A HREF="#prod34">IfThenElse</A> | <A HREF="#prod35">FLWOGR</A> | <A HREF="#prod36">QuantifiedExpression</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod33">OperatorExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod37">AndExpr</A> ( "or" <A HREF="#prod37">AndExpr</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod37">AndExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod38">RelExpr</A> ( "and" <A HREF="#prod38">RelExpr</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod38">RelExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod39">AddExpr</A> ( ( "&lt;" | "&gt;" | "&lt;=" | "&gt;=" | "=" | "!=" | "~=" ) <A HREF="#prod39">AddExpr</A> )?</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod39">AddExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod40">MultExpr</A> ( ( "+" | "-" ) <A HREF="#prod40">MultExpr</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod40">MultExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod41">UnionExpr</A> ( ( "*" | "/" | "%" | &lt;CARET&gt; | "idiv" ) <A HREF="#prod41">UnionExpr</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod41">UnionExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod42">UnaryExpr</A> ( "union" ( <A HREF="#prod42">UnaryExpr</A> ) )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod42">UnaryExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( ( "+" | "-" ) )? <A HREF="#prod43">ValueExpr</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod43">ValueExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod44">FieldOrIndexAccessor</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod44">FieldOrIndexAccessor</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod45">PrimaryExpr</A> ) ( ( <A HREF="#prod46">Field</A> ) | ( <A HREF="#prod47">Index</A> ) )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod46">Field</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"." &lt;IDENTIFIER&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod47">Index</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod6">Expression</A> | "?" ) "]"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod45">PrimaryExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod48">Literal</A> | <A HREF="#prod49">FunctionCallExpr</A> | <A HREF="#prod50">VariableRef</A> | <A HREF="#prod51">ListConstructor</A> | <A HREF="#prod52">RecordConstructor</A> | <A HREF="#prod53">ParenthesizedExpression</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod48">Literal</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( &lt;STRING_LITERAL&gt; | &lt;INTEGER_LITERAL&gt; | &lt;FLOAT_LITERAL&gt; | &lt;DOUBLE_LITERAL&gt; | &lt;NULL&gt; | &lt;TRUE&gt; | &lt;FALSE&gt; )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod50">VariableRef</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;VARIABLE&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod5">Variable</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;VARIABLE&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod51">ListConstructor</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod54">OrderedListConstructor</A> | <A HREF="#prod55">UnorderedListConstructor</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod54">OrderedListConstructor</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? "]"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod55">UnorderedListConstructor</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"&lt;" ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? "&gt;"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod52">RecordConstructor</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"{" ( <A HREF="#prod56">FieldBinding</A> ( "," <A HREF="#prod56">FieldBinding</A> )* )? "}"</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod56">FieldBinding</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod6">Expression</A> ":" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod49">FunctionCallExpr</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( &lt;IDENTIFIER&gt; | &lt;DATASET&gt; ) &lt;LEFTPAREN&gt; ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? &lt;RIGHTPAREN&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod53">ParenthesizedExpression</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>&lt;LEFTPAREN&gt; <A HREF="#prod6">Expression</A> &lt;RIGHTPAREN&gt;</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod34">IfThenElse</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"if" &lt;LEFTPAREN&gt; <A HREF="#prod6">Expression</A> &lt;RIGHTPAREN&gt; "then" <A HREF="#prod6">Expression</A> "else" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod35">FLWOGR</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod57">ForClause</A> | <A HREF="#prod58">LetClause</A> ) ( <A HREF="#prod59">Clause</A> )* "return" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod59">Clause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod57">ForClause</A> | <A HREF="#prod58">LetClause</A> | <A HREF="#prod60">WhereClause</A> | <A HREF="#prod61">OrderbyClause</A> | <A HREF="#prod62">GroupClause</A> | <A HREF="#prod63">LimitClause</A> | <A HREF="#prod64">DistinctClause</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod57">ForClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"for" <A HREF="#prod5">Variable</A> ( "at" <A HREF="#prod5">Variable</A> )? "in" ( <A HREF="#prod6">Expression</A> )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod58">LetClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"let" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod60">WhereClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"where" <A HREF="#prod6">Expression</A></TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod61">OrderbyClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( "order" "by" <A HREF="#prod6">Expression</A> ( ( "asc" ) | ( "desc" ) )? ( "," <A HREF="#prod6">Expression</A> ( ( "asc" ) | ( "desc" ) )? )* )</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod62">GroupClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"group" "by" ( <A HREF="#prod5">Variable</A> ":=" )? <A HREF="#prod6">Expression</A> ( "," ( <A HREF="#prod5">Variable</A> ":=" )? <A HREF="#prod6">Expression</A> )* ( "decor" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A> ( "," "decor" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A> )* )? "with" <A HREF="#prod50">VariableRef</A> ( "," <A HREF="#prod50">VariableRef</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod63">LimitClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"limit" <A HREF="#prod6">Expression</A> ( "offset" <A HREF="#prod6">Expression</A> )?</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod64">DistinctClause</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>"distinct" "by" <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )*</TD>
 </TR>
 <TR>
 <TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod36">QuantifiedExpression</A></TD>
 <TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
 <TD ALIGN=LEFT VALIGN=BASELINE>( ( "some" ) | ( "every" ) ) <A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> )* "satisfies" <A HREF="#prod6">Expression</A></TD>
 </TR>
 </TABLE>
 </BODY>
 </HTML>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
	<HTML>
	<HEAD>
	<TITLE>BNF for AQL.jj</TITLE>
	</HEAD>
	<BODY>
	<H1 ALIGN=CENTER>BNF for AQL.jj</H1>
	<H2 ALIGN=CENTER>TOKENS</H2>
	<TABLE>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<CARET: "^">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<DATASET: "dataset">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<LEFTPAREN: "(">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<RIGHTPAREN: ")">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<INTEGER_LITERAL: (<DIGIT>)+>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<NULL: "null">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<TRUE: "true">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<FALSE: "false">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<#DIGIT: ["0"-"9"]>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<DOUBLE_LITERAL: <INTEGER> \| <INTEGER> ("." <INTEGER>)? \| "." <INTEGER>>
	\| <FLOAT_LITERAL: <INTEGER> ("f" \| "F") \| <INTEGER> ("." <INTEGER> ("f" \| "F"))? \| "." <INTEGER> ("f" \| "F")>
	\| <INTEGER: (<DIGIT>)+>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<#LETTER: ["A"-"Z","a"-"z"]>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<SPECIALCHARS: ["$","_","-"]>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<STRING_LITERAL: "\"" (<EscapeQuot> \| ~["\""])* "\"" \| "\'" (<EscapeApos> \| ~["\'"])* "\'">
	\| <#EscapeQuot: "\\\"">
	\| <#EscapeApos: "\\\'">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<IDENTIFIER: (<LETTER>)+ (<LETTER> \| <DIGIT> \| <SPECIALCHARS>)*>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> TOKEN : {
	<VARIABLE: "$" <IDENTIFIER>>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> SKIP : {
	" "
	\| "\t"
	\| "\r"
	\| "\n"
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> SKIP : {
	<"//" (~["\n"])* "\n">
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> SKIP : {
	<"//" (~["\n","\r"])* ("\n" \| "\r" \| "\r\n")?>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<DEFAULT> SKIP : {
	"/*" : INSIDE_COMMENT
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<INSIDE_COMMENT> SPECIAL : {
	<"+" (" ")* (~[""])>
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<INSIDE_COMMENT> SKIP : {
	"/*" : {
	}

	</PRE>
	</TD>
	</TR>
	<!-- Token -->
	<TR>
	<TD>
	<PRE>
	<INSIDE_COMMENT> SKIP : {
	"*/" : {
	\| <~[]>
	}

	</PRE>
	</TD>
	</TR>
	</TABLE>
	<H2 ALIGN=CENTER>NON-TERMINALS</H2>
	<TABLE>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod1">Statement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( ( ( "use" \| "declare" "function" \| "create" ( "type" \| "nodegroup" \| "external" <DATASET> \| <DATASET> \| "index" \| "dataverse" ) \| "load" \| "enlist" \| "drop" ( <DATASET> \| "index" \| "nodegroup" \| "type" \| "dataverse" ) \| "write" \| "set" \| "insert" \| "delete" \| "update" )* ( <A HREF="#prod2">Query</A> )? ) <EOF> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod3">InsertStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"into" <DATASET> <IDENTIFIER> <LEFTPAREN> <A HREF="#prod2">Query</A> <RIGHTPAREN> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod4">DeleteStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod5">Variable</A> "from" <DATASET> <IDENTIFIER> ( "where" <A HREF="#prod6">Expression</A> )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod7">UpdateStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> "where" <A HREF="#prod6">Expression</A> <LEFTPAREN> ( <A HREF="#prod8">UpdateClause</A> ( "," <A HREF="#prod8">UpdateClause</A> )* ) <RIGHTPAREN> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod8">UpdateClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"set" <A HREF="#prod6">Expression</A> ":=" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>\|</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"insert" <A HREF="#prod3">InsertStatement</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>\|</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"delete" <A HREF="#prod4">DeleteStatement</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>\|</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"update" <A HREF="#prod7">UpdateStatement</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>\|</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"if" <LEFTPAREN> <A HREF="#prod6">Expression</A> <RIGHTPAREN> "then" <A HREF="#prod8">UpdateClause</A> ( "else" <A HREF="#prod8">UpdateClause</A> )?</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod9">SetStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> <STRING_LITERAL> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod10">WriteStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( ( "output" "to" <IDENTIFIER> ":" <STRING_LITERAL> ( "using" <STRING_LITERAL> )? ) \| ( "into" <DATASET> <IDENTIFIER> <LEFTPAREN> <A HREF="#prod2">Query</A> <RIGHTPAREN> ) ) ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod11">CreateIndexStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if not exists" )? "on" <IDENTIFIER> <LEFTPAREN> ( <IDENTIFIER> ) ( "," <IDENTIFIER> )* <RIGHTPAREN> ( "type" ( "btree" \| "keyword" \| "qgram" \| "rtree" ) ";" \| ";" )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod12">DataverseDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"dataverse" <IDENTIFIER> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod13">DropStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if exists" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod14">IndexDropStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> "." <IDENTIFIER> ( "if exists" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod15">NodeGroupDropStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if exists" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod16">TypeDropStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if exists" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod17">DataverseDropStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if exists" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod18">CreateDataverseStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if not exists" )? ( "with format" <STRING_LITERAL> )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod19">LoadStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><DATASET> <IDENTIFIER> "from" ( <IDENTIFIER> ":" <STRING_LITERAL> ) ( "," <IDENTIFIER> ":" <STRING_LITERAL> )* ( "delimited" "by" <STRING_LITERAL> )? ( "pre-sorted" )? ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod20">EnlistStatement</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><DATASET> <IDENTIFIER> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod21">DatasetDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if not exists" )? ( <LEFTPAREN> <IDENTIFIER> <RIGHTPAREN> )?</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod22">InternalDatasetDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"partitioned" "by" "key" <IDENTIFIER> ( "," <IDENTIFIER> )* "on" <IDENTIFIER> ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod23">ExternalDatasetDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( "hdfs" ( <STRING_LITERAL> ) \| "splits" ( <IDENTIFIER> ":" <STRING_LITERAL> ) ( "," <IDENTIFIER> ":" <STRING_LITERAL> )* ) "using" ( <STRING_LITERAL> <LEFTPAREN> ( ( <LEFTPAREN> ( <STRING_LITERAL> ":" <STRING_LITERAL> ) <RIGHTPAREN> ) ( "," <LEFTPAREN> ( <STRING_LITERAL> ":" <STRING_LITERAL> ) <RIGHTPAREN> )* )? <RIGHTPAREN> ) ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod24">NodegroupDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if not exists" )? "on" <IDENTIFIER> ( "," <IDENTIFIER> )* ";"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod25">TypeDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ( "if not exists" )? "as" ( <A HREF="#prod26">TypeExpr</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod26">TypeExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod27">RecordTypeDef</A> \| <A HREF="#prod28">TypeReference</A> \| <A HREF="#prod29">OrderedListTypeDef</A> \| <A HREF="#prod30">UnorderedListTypeDef</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod27">RecordTypeDef</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( "closed" \| "open" )? "{" ( <A HREF="#prod31">RecordField</A> ( "," <A HREF="#prod31">RecordField</A> )* )? "}"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod31">RecordField</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> ":" ( <A HREF="#prod26">TypeExpr</A> ) ( "?" )?</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod28">TypeReference</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod29">OrderedListTypeDef</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod26">TypeExpr</A> ) "]"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod30">UnorderedListTypeDef</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"<" ( <A HREF="#prod26">TypeExpr</A> ) ">"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod32">FunctionDeclaration</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><IDENTIFIER> <LEFTPAREN> ( <VARIABLE> ( "," <VARIABLE> )* )? <RIGHTPAREN> "{" <A HREF="#prod6">Expression</A> "}"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod2">Query</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod6">Expression</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod33">OperatorExpr</A> \| <A HREF="#prod34">IfThenElse</A> \| <A HREF="#prod35">FLWOGR</A> \| <A HREF="#prod36">QuantifiedExpression</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod33">OperatorExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod37">AndExpr</A> ( "or" <A HREF="#prod37">AndExpr</A> )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod37">AndExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod38">RelExpr</A> ( "and" <A HREF="#prod38">RelExpr</A> )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod38">RelExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod39">AddExpr</A> ( ( "<" \| ">" \| "<=" \| ">=" \| "=" \| "!=" \| "~=" ) <A HREF="#prod39">AddExpr</A> )?</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod39">AddExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod40">MultExpr</A> ( ( "+" \| "-" ) <A HREF="#prod40">MultExpr</A> )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod40">MultExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod41">UnionExpr</A> ( ( "" \| "/" \| "%" \| <CARET> \| "idiv" ) <A HREF="#prod41">UnionExpr</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod41">UnionExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod42">UnaryExpr</A> ( "union" ( <A HREF="#prod42">UnaryExpr</A> ) )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod42">UnaryExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( ( "+" \| "-" ) )? <A HREF="#prod43">ValueExpr</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod43">ValueExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod44">FieldOrIndexAccessor</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod44">FieldOrIndexAccessor</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod45">PrimaryExpr</A> ) ( ( <A HREF="#prod46">Field</A> ) \| ( <A HREF="#prod47">Index</A> ) )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod46">Field</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"." <IDENTIFIER></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod47">Index</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod6">Expression</A> \| "?" ) "]"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod45">PrimaryExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod48">Literal</A> \| <A HREF="#prod49">FunctionCallExpr</A> \| <A HREF="#prod50">VariableRef</A> \| <A HREF="#prod51">ListConstructor</A> \| <A HREF="#prod52">RecordConstructor</A> \| <A HREF="#prod53">ParenthesizedExpression</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod48">Literal</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <STRING_LITERAL> \| <INTEGER_LITERAL> \| <FLOAT_LITERAL> \| <DOUBLE_LITERAL> \| <NULL> \| <TRUE> \| <FALSE> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod50">VariableRef</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><VARIABLE></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod5">Variable</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><VARIABLE></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod51">ListConstructor</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod54">OrderedListConstructor</A> \| <A HREF="#prod55">UnorderedListConstructor</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod54">OrderedListConstructor</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"[" ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? "]"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod55">UnorderedListConstructor</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"<" ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? ">"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod52">RecordConstructor</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"{" ( <A HREF="#prod56">FieldBinding</A> ( "," <A HREF="#prod56">FieldBinding</A> )* )? "}"</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod56">FieldBinding</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod6">Expression</A> ":" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod49">FunctionCallExpr</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <IDENTIFIER> \| <DATASET> ) <LEFTPAREN> ( <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )* )? <RIGHTPAREN></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod53">ParenthesizedExpression</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE><LEFTPAREN> <A HREF="#prod6">Expression</A> <RIGHTPAREN></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod34">IfThenElse</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"if" <LEFTPAREN> <A HREF="#prod6">Expression</A> <RIGHTPAREN> "then" <A HREF="#prod6">Expression</A> "else" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod35">FLWOGR</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod57">ForClause</A> \| <A HREF="#prod58">LetClause</A> ) ( <A HREF="#prod59">Clause</A> )* "return" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod59">Clause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod57">ForClause</A> \| <A HREF="#prod58">LetClause</A> \| <A HREF="#prod60">WhereClause</A> \| <A HREF="#prod61">OrderbyClause</A> \| <A HREF="#prod62">GroupClause</A> \| <A HREF="#prod63">LimitClause</A> \| <A HREF="#prod64">DistinctClause</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod57">ForClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"for" <A HREF="#prod5">Variable</A> ( "at" <A HREF="#prod5">Variable</A> )? "in" ( <A HREF="#prod6">Expression</A> )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod58">LetClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"let" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod60">WhereClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"where" <A HREF="#prod6">Expression</A></TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod61">OrderbyClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( "order" "by" <A HREF="#prod6">Expression</A> ( ( "asc" ) \| ( "desc" ) )? ( "," <A HREF="#prod6">Expression</A> ( ( "asc" ) \| ( "desc" ) )? )* )</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod62">GroupClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"group" "by" ( <A HREF="#prod5">Variable</A> ":=" )? <A HREF="#prod6">Expression</A> ( "," ( <A HREF="#prod5">Variable</A> ":=" )? <A HREF="#prod6">Expression</A> )* ( "decor" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A> ( "," "decor" <A HREF="#prod5">Variable</A> ":=" <A HREF="#prod6">Expression</A> )* )? "with" <A HREF="#prod50">VariableRef</A> ( "," <A HREF="#prod50">VariableRef</A> )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod63">LimitClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"limit" <A HREF="#prod6">Expression</A> ( "offset" <A HREF="#prod6">Expression</A> )?</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod64">DistinctClause</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>"distinct" "by" <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod6">Expression</A> )*</TD>
	</TR>
	<TR>
	<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod36">QuantifiedExpression</A></TD>
	<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
	<TD ALIGN=LEFT VALIGN=BASELINE>( ( "some" ) \| ( "every" ) ) <A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> ( "," <A HREF="#prod5">Variable</A> "in" <A HREF="#prod6">Expression</A> )* "satisfies" <A HREF="#prod6">Expression</A></TD>
	</TR>
	</TABLE>
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