SQL++ parser:
1. refactored asterix-aql to become asterix-lang-common and asterix-lang-aql, where the former is the common part for different languages;
2. added asterix-lang-sqlpp on top of asterix-lang-common;
3. ported parser tests, optimizer tests and runtime tests in asterix-app to their sql++ version, and added parser tests for all the queries.
Change-Id: Ie5af4e3b692ca017ec047a1ba3b404a51beb3a2e
Reviewed-on: https://asterix-gerrit.ics.uci.edu/466
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>
diff --git a/asterix-lang-aql/src/main/javacc/AQL.html b/asterix-lang-aql/src/main/javacc/AQL.html
new file mode 100644
index 0000000..b50d554
--- /dev/null
+++ b/asterix-lang-aql/src/main/javacc/AQL.html
@@ -0,0 +1,774 @@
+<!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,IN_DBL_BRACE> TOKEN : {
+<ASC: "asc">
+| <AT: "at">
+| <BY: "by">
+| <DATASET: "dataset">
+| <DECOR: "decor">
+| <DESC: "desc">
+| <DISTINCT: "distinct">
+| <ELSE: "else">
+| <EVERY: "every">
+| <FOR: "for">
+| <FROM: "from">
+| <GROUP: "group">
+| <IF: "if">
+| <IN: "in">
+| <LET: "let">
+| <LIMIT: "limit">
+| <OFFSET: "offset">
+| <ORDER: "order">
+| <RETURN: "return">
+| <SATISFIES: "satisfies">
+| <SELECT: "select">
+| <SOME: "some">
+| <THEN: "then">
+| <UNION: "union">
+| <WHERE: "where">
+| <WITH: "with">
+| <KEEPING: "keeping">
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<CARET: "^">
+| <DIV: "/">
+| <IDIV: "idiv">
+| <MINUS: "-">
+| <MOD: "%">
+| <MUL: "*">
+| <PLUS: "+">
+| <LEFTPAREN: "(">
+| <RIGHTPAREN: ")">
+| <LEFTBRACKET: "[">
+| <RIGHTBRACKET: "]">
+| <COLON: ":">
+| <COMMA: ",">
+| <DOT: ".">
+| <QUES: "?">
+| <LT: "<">
+| <GT: ">">
+| <LE: "<=">
+| <GE: ">=">
+| <EQ: "=">
+| <NE: "!=">
+| <SIMILAR: "~=">
+| <ASSIGN: ":=">
+| <AND: "and">
+| <OR: "or">
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<LEFTBRACE: "{"> : DEFAULT
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT> TOKEN : {
+<RIGHTBRACE: "}"> : {
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<LEFTDBLBRACE: "{{"> : IN_DBL_BRACE
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<IN_DBL_BRACE> TOKEN : {
+<RIGHTDBLBRACE: "}}"> : {
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<INTEGER_LITERAL: (<DIGIT>)+>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<NULL: "null">
+| <TRUE: "true">
+| <FALSE: "false">
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<#DIGIT: ["0"-"9"]>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<DOUBLE_LITERAL: <DIGITS> | <DIGITS> ("." <DIGITS>)? | "." <DIGITS>>
+| <FLOAT_LITERAL: <DIGITS> ("f" | "F") | <DIGITS> ("." <DIGITS> ("f" | "F"))? | "." <DIGITS> ("f" | "F")>
+| <DIGITS: (<DIGIT>)+>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<#LETTER: ["A"-"Z","a"-"z"]>
+| <SPECIALCHARS: ["$","_","-"]>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<STRING_LITERAL: "\"" (<EscapeQuot> | <EscapeBslash> | <EscapeSlash> | <EscapeBspace> | <EscapeFormf> | <EscapeNl> | <EscapeCr> | <EscapeTab> | ~["\"","\\"])* "\"" | "\'" (<EscapeApos> | <EscapeBslash> | <EscapeSlash> | <EscapeBspace> | <EscapeFormf> | <EscapeNl> | <EscapeCr> | <EscapeTab> | ~["\'","\\"])* "\'">
+| <#EscapeQuot: "\\\"">
+| <#EscapeApos: "\\\'">
+| <#EscapeBslash: "\\\\">
+| <#EscapeSlash: "\\/">
+| <#EscapeBspace: "\\b">
+| <#EscapeFormf: "\\f">
+| <#EscapeNl: "\\n">
+| <#EscapeCr: "\\r">
+| <#EscapeTab: "\\t">
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<IDENTIFIER: <LETTER> (<LETTER> | <DIGIT> | <SPECIALCHARS>)*>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> TOKEN : {
+<VARIABLE: "$" <LETTER> (<LETTER> | <DIGIT> | "_")*>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> SKIP : {
+" "
+| "\t"
+| "\r"
+| "\n"
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> SKIP : {
+<"//" (~["\n"])* "\n">
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> SKIP : {
+<"//" (~["\n","\r"])* ("\n" | "\r" | "\r\n")?>
+}
+
+ </PRE>
+ </TD>
+ </TR>
+ <!-- Token -->
+ <TR>
+ <TD>
+ <PRE>
+<DEFAULT,IN_DBL_BRACE> 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>( <A HREF="#prod2">SingleStatement</A> ( ";" )? )* <EOF></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod2">SingleStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod3">DataverseDeclaration</A> | <A HREF="#prod4">FunctionDeclaration</A> | <A HREF="#prod5">CreateStatement</A> | <A HREF="#prod6">LoadStatement</A> | <A HREF="#prod7">DropStatement</A> | <A HREF="#prod8">WriteStatement</A> | <A HREF="#prod9">SetStatement</A> | <A HREF="#prod10">InsertStatement</A> | <A HREF="#prod11">DeleteStatement</A> | <A HREF="#prod12">UpdateStatement</A> | <A HREF="#prod13">FeedStatement</A> | <A HREF="#prod14">CompactStatement</A> | <A HREF="#prod15">Query</A> | <A HREF="#prod16">RefreshExternalDatasetStatement</A> | <A HREF="#prod17">RunStatement</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod3">DataverseDeclaration</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"use" "dataverse" <A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod5">CreateStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"create" ( <A HREF="#prod19">TypeSpecification</A> | <A HREF="#prod20">NodegroupSpecification</A> | <A HREF="#prod21">DatasetSpecification</A> | <A HREF="#prod22">IndexSpecification</A> | <A HREF="#prod23">DataverseSpecification</A> | <A HREF="#prod24">FunctionSpecification</A> | <A HREF="#prod25">FeedSpecification</A> | <A HREF="#prod26">FeedPolicySpecification</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod19">TypeSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"type" <A HREF="#prod27">TypeName</A> <A HREF="#prod28">IfNotExists</A> "as" <A HREF="#prod29">TypeExpr</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod20">NodegroupSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"nodegroup" <A HREF="#prod18">Identifier</A> <A HREF="#prod28">IfNotExists</A> "on" <A HREF="#prod18">Identifier</A> ( <COMMA> <A HREF="#prod18">Identifier</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod21">DatasetSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "external" <DATASET> <A HREF="#prod30">QualifiedName</A> <LEFTPAREN> <A HREF="#prod18">Identifier</A> <RIGHTPAREN> <A HREF="#prod28">IfNotExists</A> "using" <A HREF="#prod31">AdapterName</A> <A HREF="#prod32">Configuration</A> ( "on" <A HREF="#prod18">Identifier</A> )? ( "hints" <A HREF="#prod33">Properties</A> )? ( "using" "compaction" "policy" <A HREF="#prod34">CompactionPolicy</A> ( <A HREF="#prod32">Configuration</A> )? )? | ( "internal" | "temporary" )? <DATASET> <A HREF="#prod30">QualifiedName</A> <LEFTPAREN> <A HREF="#prod18">Identifier</A> <RIGHTPAREN> <A HREF="#prod28">IfNotExists</A> <A HREF="#prod35">PrimaryKey</A> ( "autogenerated" )? ( "on" <A HREF="#prod18">Identifier</A> )? ( "hints" <A HREF="#prod33">Properties</A> )? ( "using" "compaction" "policy" <A HREF="#prod34">CompactionPolicy</A> ( <A HREF="#prod32">Configuration</A> )? )? ( "with filter on" <A HREF="#prod36">NestedField</A> )? )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod16">RefreshExternalDatasetStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"refresh external" <DATASET> <A HREF="#prod30">QualifiedName</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod17">RunStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"run" <A HREF="#prod18">Identifier</A> <LEFTPAREN> ( <A HREF="#prod18">Identifier</A> ( <COMMA> )? )* <RIGHTPAREN> <FROM> <DATASET> <A HREF="#prod30">QualifiedName</A> "to" <DATASET> <A HREF="#prod30">QualifiedName</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod22">IndexSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"index" <A HREF="#prod18">Identifier</A> <A HREF="#prod28">IfNotExists</A> "on" <A HREF="#prod30">QualifiedName</A> <LEFTPAREN> ( <A HREF="#prod37">OpenField</A> ) ( <COMMA> <A HREF="#prod37">OpenField</A> )* <RIGHTPAREN> ( "type" <A HREF="#prod38">IndexType</A> )? ( "enforced" )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod34">CompactionPolicy</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod39">FilterField</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod38">IndexType</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "btree" | "rtree" | "keyword" | "ngram" <LEFTPAREN> <INTEGER_LITERAL> <RIGHTPAREN> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod23">DataverseSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"dataverse" <A HREF="#prod18">Identifier</A> <A HREF="#prod28">IfNotExists</A> ( "with format" <A HREF="#prod40">StringLiteral</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod24">FunctionSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"function" <A HREF="#prod41">FunctionName</A> <A HREF="#prod28">IfNotExists</A> <A HREF="#prod42">ParameterList</A> <LEFTBRACE> <A HREF="#prod43">Expression</A> <RIGHTBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod25">FeedSpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "secondary" "feed" <A HREF="#prod30">QualifiedName</A> <A HREF="#prod28">IfNotExists</A> <FROM> "feed" <A HREF="#prod30">QualifiedName</A> ( <A HREF="#prod44">ApplyFunction</A> )? | ( "primary" )? "feed" <A HREF="#prod30">QualifiedName</A> <A HREF="#prod28">IfNotExists</A> "using" <A HREF="#prod31">AdapterName</A> <A HREF="#prod32">Configuration</A> ( <A HREF="#prod44">ApplyFunction</A> )? )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod26">FeedPolicySpecification</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "ingestion" "policy" <A HREF="#prod18">Identifier</A> <A HREF="#prod28">IfNotExists</A> <FROM> ( "policy" <A HREF="#prod18">Identifier</A> <A HREF="#prod32">Configuration</A> ( "definition" <A HREF="#prod40">StringLiteral</A> )? | "path" <A HREF="#prod18">Identifier</A> ( "definition" <A HREF="#prod40">StringLiteral</A> )? ) )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod42">ParameterList</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTPAREN> ( <VARIABLE> ( <COMMA> <VARIABLE> )* )? <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod28">IfNotExists</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "if not exists" )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod44">ApplyFunction</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"apply" "function" <A HREF="#prod41">FunctionName</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod45">GetPolicy</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"using" "policy" <A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod46">FunctionSignature</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod41">FunctionName</A> "@" <INTEGER_LITERAL></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod35">PrimaryKey</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"primary" "key" <A HREF="#prod36">NestedField</A> ( <COMMA> <A HREF="#prod36">NestedField</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod7">DropStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"drop" ( <DATASET> <A HREF="#prod30">QualifiedName</A> <A HREF="#prod47">IfExists</A> | "index" <A HREF="#prod48">DoubleQualifiedName</A> <A HREF="#prod47">IfExists</A> | "nodegroup" <A HREF="#prod18">Identifier</A> <A HREF="#prod47">IfExists</A> | "type" <A HREF="#prod27">TypeName</A> <A HREF="#prod47">IfExists</A> | "dataverse" <A HREF="#prod18">Identifier</A> <A HREF="#prod47">IfExists</A> | "function" <A HREF="#prod46">FunctionSignature</A> <A HREF="#prod47">IfExists</A> | "feed" <A HREF="#prod30">QualifiedName</A> <A HREF="#prod47">IfExists</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod47">IfExists</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <IF> "exists" )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod10">InsertStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"insert" "into" <DATASET> <A HREF="#prod30">QualifiedName</A> <A HREF="#prod15">Query</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod11">DeleteStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"delete" <A HREF="#prod49">Variable</A> <FROM> <DATASET> <A HREF="#prod30">QualifiedName</A> ( <WHERE> <A HREF="#prod43">Expression</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod12">UpdateStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"update" <A HREF="#prod49">Variable</A> <IN> <A HREF="#prod43">Expression</A> <WHERE> <A HREF="#prod43">Expression</A> <LEFTPAREN> ( <A HREF="#prod50">UpdateClause</A> ( <COMMA> <A HREF="#prod50">UpdateClause</A> )* ) <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod50">UpdateClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "set" <A HREF="#prod43">Expression</A> <ASSIGN> <A HREF="#prod43">Expression</A> | <A HREF="#prod10">InsertStatement</A> | <A HREF="#prod11">DeleteStatement</A> | <A HREF="#prod12">UpdateStatement</A> | <IF> <LEFTPAREN> <A HREF="#prod43">Expression</A> <RIGHTPAREN> <THEN> <A HREF="#prod50">UpdateClause</A> ( <ELSE> <A HREF="#prod50">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>"set" <A HREF="#prod18">Identifier</A> <A HREF="#prod40">StringLiteral</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod8">WriteStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"write" "output" "to" <A HREF="#prod18">Identifier</A> <COLON> <A HREF="#prod40">StringLiteral</A> ( "using" <A HREF="#prod40">StringLiteral</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod6">LoadStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"load" <DATASET> <A HREF="#prod30">QualifiedName</A> "using" <A HREF="#prod31">AdapterName</A> <A HREF="#prod32">Configuration</A> ( "pre-sorted" )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod31">AdapterName</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod14">CompactStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"compact" <DATASET> <A HREF="#prod30">QualifiedName</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod13">FeedStatement</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "connect" "feed" <A HREF="#prod30">QualifiedName</A> "to" <DATASET> <A HREF="#prod30">QualifiedName</A> ( <A HREF="#prod45">GetPolicy</A> )? | "disconnect" "feed" <A HREF="#prod30">QualifiedName</A> <FROM> <DATASET> <A HREF="#prod30">QualifiedName</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod32">Configuration</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTPAREN> ( <A HREF="#prod51">KeyValuePair</A> ( <COMMA> <A HREF="#prod51">KeyValuePair</A> )* )? <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod51">KeyValuePair</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTPAREN> <A HREF="#prod40">StringLiteral</A> <EQ> <A HREF="#prod40">StringLiteral</A> <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod33">Properties</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <LEFTPAREN> <A HREF="#prod52">Property</A> ( <COMMA> <A HREF="#prod52">Property</A> )* <RIGHTPAREN> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod52">Property</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> <EQ> ( <A HREF="#prod40">StringLiteral</A> | <INTEGER_LITERAL> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod53">IndexedTypeExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod54">TypeReference</A> | <A HREF="#prod55">OrderedListTypeDef</A> | <A HREF="#prod56">UnorderedListTypeDef</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod29">TypeExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod57">RecordTypeDef</A> | <A HREF="#prod54">TypeReference</A> | <A HREF="#prod55">OrderedListTypeDef</A> | <A HREF="#prod56">UnorderedListTypeDef</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod57">RecordTypeDef</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( "closed" | "open" )? <LEFTBRACE> ( <A HREF="#prod58">RecordField</A> ( <COMMA> <A HREF="#prod58">RecordField</A> )* )? <RIGHTBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod58">RecordField</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> <COLON> <A HREF="#prod29">TypeExpr</A> ( <QUES> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod54">TypeReference</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod55">OrderedListTypeDef</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTBRACKET> ( <A HREF="#prod29">TypeExpr</A> ) <RIGHTBRACKET></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod56">UnorderedListTypeDef</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTDBLBRACE> ( <A HREF="#prod29">TypeExpr</A> ) <RIGHTDBLBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod41">FunctionName</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> ( <DOT> <A HREF="#prod18">Identifier</A> ( "#" <A HREF="#prod18">Identifier</A> )? | "#" <A HREF="#prod18">Identifier</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod27">TypeName</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod30">QualifiedName</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod18">Identifier</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <IDENTIFIER> | <A HREF="#prod40">StringLiteral</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod37">OpenField</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod36">NestedField</A> ( <COLON> <A HREF="#prod53">IndexedTypeExpr</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod36">NestedField</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> ( <DOT> <A HREF="#prod18">Identifier</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod40">StringLiteral</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><STRING_LITERAL></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod30">QualifiedName</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> ( <DOT> <A HREF="#prod18">Identifier</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod48">DoubleQualifiedName</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod18">Identifier</A> <DOT> <A HREF="#prod18">Identifier</A> ( <DOT> <A HREF="#prod18">Identifier</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod4">FunctionDeclaration</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>"declare" "function" <A HREF="#prod18">Identifier</A> <A HREF="#prod42">ParameterList</A> <LEFTBRACE> <A HREF="#prod43">Expression</A> <RIGHTBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod15">Query</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod43">Expression</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod59">OperatorExpr</A> | <A HREF="#prod60">IfThenElse</A> | <A HREF="#prod61">FLWOGR</A> | <A HREF="#prod62">QuantifiedExpression</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod59">OperatorExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod63">AndExpr</A> ( <OR> <A HREF="#prod63">AndExpr</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod63">AndExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod64">RelExpr</A> ( <AND> <A HREF="#prod64">RelExpr</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod64">RelExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod65">AddExpr</A> ( ( <LT> | <GT> | <LE> | <GE> | <EQ> | <NE> | <SIMILAR> ) <A HREF="#prod65">AddExpr</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod65">AddExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod66">MultExpr</A> ( ( <PLUS> | <MINUS> ) <A HREF="#prod66">MultExpr</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod66">MultExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod67">UnionExpr</A> ( ( <MUL> | <DIV> | <MOD> | <CARET> | <IDIV> ) <A HREF="#prod67">UnionExpr</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod67">UnionExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod68">UnaryExpr</A> ( <UNION> ( <A HREF="#prod68">UnaryExpr</A> ) )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod68">UnaryExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( ( <PLUS> | <MINUS> ) )? <A HREF="#prod69">ValueExpr</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod69">ValueExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod70">PrimaryExpr</A> ( <A HREF="#prod71">Field</A> | <A HREF="#prod72">Index</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod71">Field</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><DOT> <A HREF="#prod18">Identifier</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod72">Index</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTBRACKET> ( <A HREF="#prod43">Expression</A> | <QUES> ) <RIGHTBRACKET></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod70">PrimaryExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod73">FunctionCallExpr</A> | <A HREF="#prod74">Literal</A> | <A HREF="#prod75">DatasetAccessExpression</A> | <A HREF="#prod76">VariableRef</A> | <A HREF="#prod77">ListConstructor</A> | <A HREF="#prod78">RecordConstructor</A> | <A HREF="#prod79">ParenthesizedExpression</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod74">Literal</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod40">StringLiteral</A> | <INTEGER_LITERAL> | <FLOAT_LITERAL> | <DOUBLE_LITERAL> | <NULL> | <TRUE> | <FALSE> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod76">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="prod49">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="prod77">ListConstructor</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod80">OrderedListConstructor</A> | <A HREF="#prod81">UnorderedListConstructor</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod80">OrderedListConstructor</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTBRACKET> <A HREF="#prod82">ExpressionList</A> <RIGHTBRACKET></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod81">UnorderedListConstructor</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTDBLBRACE> <A HREF="#prod82">ExpressionList</A> <RIGHTDBLBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod82">ExpressionList</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod43">Expression</A> ( <COMMA> <A HREF="#prod82">ExpressionList</A> )? )? ( <A HREF="#prod83">Comma</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod83">Comma</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><COMMA></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod78">RecordConstructor</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTBRACE> ( <A HREF="#prod84">FieldBinding</A> ( <COMMA> <A HREF="#prod84">FieldBinding</A> )* )? <RIGHTBRACE></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod84">FieldBinding</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod43">Expression</A> <COLON> <A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod73">FunctionCallExpr</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><A HREF="#prod41">FunctionName</A> <LEFTPAREN> ( <A HREF="#prod43">Expression</A> ( <COMMA> <A HREF="#prod43">Expression</A> )* )? <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod75">DatasetAccessExpression</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><DATASET> ( ( <A HREF="#prod18">Identifier</A> ( <DOT> <A HREF="#prod18">Identifier</A> )? ) | ( <LEFTPAREN> <A HREF="#prod43">Expression</A> <RIGHTPAREN> ) )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod79">ParenthesizedExpression</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LEFTPAREN> <A HREF="#prod43">Expression</A> <RIGHTPAREN></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod60">IfThenElse</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><IF> <LEFTPAREN> <A HREF="#prod43">Expression</A> <RIGHTPAREN> <THEN> <A HREF="#prod43">Expression</A> <ELSE> <A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod61">FLWOGR</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod85">ForClause</A> | <A HREF="#prod86">LetClause</A> ) ( <A HREF="#prod87">Clause</A> )* ( <RETURN> | <SELECT> ) <A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod87">Clause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <A HREF="#prod85">ForClause</A> | <A HREF="#prod86">LetClause</A> | <A HREF="#prod88">WhereClause</A> | <A HREF="#prod89">OrderbyClause</A> | <A HREF="#prod90">GroupClause</A> | <A HREF="#prod91">LimitClause</A> | <A HREF="#prod92">DistinctClause</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod85">ForClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <FOR> | <FROM> ) <A HREF="#prod49">Variable</A> ( <AT> <A HREF="#prod49">Variable</A> )? <IN> ( <A HREF="#prod43">Expression</A> )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod86">LetClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <LET> | <WITH> ) <A HREF="#prod49">Variable</A> <ASSIGN> <A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod88">WhereClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><WHERE> <A HREF="#prod43">Expression</A></TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod89">OrderbyClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( <ORDER> <BY> <A HREF="#prod43">Expression</A> ( ( <ASC> ) | ( <DESC> ) )? ( <COMMA> <A HREF="#prod43">Expression</A> ( ( <ASC> ) | ( <DESC> ) )? )* )</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod90">GroupClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><GROUP> <BY> ( <A HREF="#prod49">Variable</A> <ASSIGN> )? <A HREF="#prod43">Expression</A> ( <COMMA> ( <A HREF="#prod49">Variable</A> <ASSIGN> )? <A HREF="#prod43">Expression</A> )* ( <DECOR> <A HREF="#prod49">Variable</A> <ASSIGN> <A HREF="#prod43">Expression</A> ( <COMMA> <DECOR> <A HREF="#prod49">Variable</A> <ASSIGN> <A HREF="#prod43">Expression</A> )* )? ( <WITH> | <KEEPING> ) <A HREF="#prod76">VariableRef</A> ( <COMMA> <A HREF="#prod76">VariableRef</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod91">LimitClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><LIMIT> <A HREF="#prod43">Expression</A> ( <OFFSET> <A HREF="#prod43">Expression</A> )?</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod92">DistinctClause</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE><DISTINCT> <BY> <A HREF="#prod43">Expression</A> ( <COMMA> <A HREF="#prod43">Expression</A> )*</TD>
+</TR>
+<TR>
+<TD ALIGN=RIGHT VALIGN=BASELINE><A NAME="prod62">QuantifiedExpression</A></TD>
+<TD ALIGN=CENTER VALIGN=BASELINE>::=</TD>
+<TD ALIGN=LEFT VALIGN=BASELINE>( ( <SOME> ) | ( <EVERY> ) ) <A HREF="#prod49">Variable</A> <IN> <A HREF="#prod43">Expression</A> ( <COMMA> <A HREF="#prod49">Variable</A> <IN> <A HREF="#prod43">Expression</A> )* <SATISFIES> <A HREF="#prod43">Expression</A></TD>
+</TR>
+</TABLE>
+</BODY>
+</HTML>