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SPQLParser.java
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SPQLParser.java
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// $ANTLR 3.2 debian-7 SPQL.g 2013-11-04 17:00:24
import java.util.HashSet;
import java.util.HashMap;
import java.util.Iterator;
import org.jgrapht.*;
import org.jgrapht.alg.DijkstraShortestPath;
import org.jgrapht.graph.*;
import org.antlr.runtime.*;
import java.util.Stack;
import java.util.List;
import java.util.ArrayList;
public class SPQLParser extends Parser {
public static final String[] tokenNames = new String[] {
"<invalid>", "<EOR>", "<DOWN>", "<UP>", "UNION", "INTERSECT", "EXCEPT", "ALL", "SEMICOLON", "SELECT", "DISTINCT", "WHERE", "GROUP", "BY", "COLON", "HAVING", "ORDER", "COUNT", "AGGRFUN", "DESC", "ASC", "AND", "OR", "COMPARERUN", "DOT", "ID", "NOT", "OP", "STRING", "INT", "FLOAT", "BETWEEN", "LIKE", "IN", "ANY", "ANCESTOR", "NEWLINE", "WS", "'('", "')'", "'*'", "'{'", "'}'", "'parameter'", "'key_numeric'", "'key_text'"
};
public static final int WHERE=11;
public static final int ORDER=16;
public static final int COUNT=17;
public static final int FLOAT=30;
public static final int COMPARERUN=23;
public static final int NOT=26;
public static final int EXCEPT=6;
public static final int AND=21;
public static final int ID=25;
public static final int EOF=-1;
public static final int IN=33;
public static final int ALL=7;
public static final int ANCESTOR=35;
public static final int DOT=24;
public static final int AGGRFUN=18;
public static final int SELECT=9;
public static final int LIKE=32;
public static final int T__42=42;
public static final int T__43=43;
public static final int T__40=40;
public static final int BY=13;
public static final int T__41=41;
public static final int T__44=44;
public static final int T__45=45;
public static final int ASC=20;
public static final int SEMICOLON=8;
public static final int HAVING=15;
public static final int INT=29;
public static final int UNION=4;
public static final int COLON=14;
public static final int INTERSECT=5;
public static final int GROUP=12;
public static final int WS=37;
public static final int ANY=34;
public static final int NEWLINE=36;
public static final int T__38=38;
public static final int T__39=39;
public static final int OP=27;
public static final int OR=22;
public static final int DESC=19;
public static final int DISTINCT=10;
public static final int BETWEEN=31;
public static final int STRING=28;
// delegates
// delegators
public SPQLParser(TokenStream input) {
this(input, new RecognizerSharedState());
}
public SPQLParser(TokenStream input, RecognizerSharedState state) {
super(input, state);
}
public String[] getTokenNames() { return SPQLParser.tokenNames; }
public String getGrammarFileName() { return "SPQL.g"; }
String selectClause = new String();
String fromClause = new String();
String whereClauseJoinExpressions = new String();
String whereClause = new String();
boolean hasWhereJoinExpression;
boolean hasWhereExpression = false;
static boolean hasCompareRunCall = false;
HashSet<String> relations = new HashSet<String>();
UndirectedGraph<String,DefaultEdge> schemaGraph;
HashSet<DefaultEdge> joinEdges;
static HashSet<String> compareRunParams = new HashSet<String>();;
// Ideally it could receive a DB schema in SQL and build the graph automatically
public static UndirectedGraph<String,DefaultEdge> buildGraph() {
UndirectedGraph<String,DefaultEdge> schemaGraph = new Multigraph<String,DefaultEdge>(DefaultEdge.class);
schemaGraph.addVertex("annotation");
schemaGraph.addVertex("script_run");
schemaGraph.addVertex("function_call");
schemaGraph.addVertex("dataset");
schemaGraph.addVertex("application_execution");
schemaGraph.addVertex("runtime_info");
schemaGraph.addVertex("dataset_containment");
schemaGraph.addVertex("dataset_out");
schemaGraph.addVertex("dataset_in");
schemaGraph.addVertex("compare_run");
//schemaGraph.addEdge("annotation", "script_run");
//schemaGraph.addEdge("annotation", "function_call");
//schemaGraph.addEdge("annotation", "variable");
schemaGraph.addEdge("script_run", "function_call");
schemaGraph.addEdge("function_call", "dataset_in");
schemaGraph.addEdge("function_call", "dataset_out");
schemaGraph.addEdge("function_call", "application_execution");
schemaGraph.addEdge("application_execution", "runtime_info");
schemaGraph.addEdge("dataset", "dataset_containment");
schemaGraph.addEdge("dataset", "dataset_containment");
schemaGraph.addEdge("dataset", "dataset_in");
schemaGraph.addEdge("dataset", "dataset_out");
return schemaGraph;
}
private static HashSet<DefaultEdge> computeJoinEdges(
UndirectedGraph<String, DefaultEdge> schemaGraph,
HashSet<String> relations) {
HashSet<DefaultEdge> jEdges = new HashSet<DefaultEdge>();
Iterator<String> i = relations.iterator();
String first = new String();
if(i.hasNext())
first += i.next();
while(i.hasNext()) {
DijkstraShortestPath<String, DefaultEdge> sP = new DijkstraShortestPath<String, DefaultEdge>(schemaGraph, first, i.next());
Iterator<DefaultEdge> j = (sP.getPathEdgeList()).iterator();
while(j.hasNext())
jEdges.add(j.next());
}
return jEdges;
}
public static String computeFrom(UndirectedGraph<String,DefaultEdge> schemaGraph, HashSet<DefaultEdge> joinEdges, HashSet<String> qrels) {
HashSet<String> fromRels = new HashSet<String>();
String fromq = " FROM ";
Iterator<DefaultEdge> i = joinEdges.iterator();
Iterator<String> k = qrels.iterator();
if(qrels.size() == 1)
fromRels.add(k.next());
else
while(i.hasNext()) {
DefaultEdge aux = i.next();
// If ds_in or ds_out were not in the original select clause's relations and they are on the the joinEdges
// then one has to make sure that both consumed and produced datasets are considered in the join so there
// is no loss of information. One alternative, implemented here, is to replace these occurrences by the ds
// view, which is an union of ds_in and ds_out.
if(qrels.contains("dataset_out") || qrels.contains("dataset_in")) {
fromRels.add(schemaGraph.getEdgeSource(aux));
fromRels.add(schemaGraph.getEdgeTarget(aux));
}
else {
if(aux.equals(schemaGraph.getEdge("dataset_in","function_call")) ||
aux.equals(schemaGraph.getEdge("dataset_in","dataset")) ||
aux.equals(schemaGraph.getEdge("dataset_out","function_call")) ||
aux.equals(schemaGraph.getEdge("dataset_out","dataset"))) {
fromRels.add("dataset");
fromRels.add("dataset_io");
fromRels.add("function_call");
}
else {
fromRels.add(schemaGraph.getEdgeSource(aux));
fromRels.add(schemaGraph.getEdgeTarget(aux));
}
}
}
Iterator<String> j = fromRels.iterator();
if(j.hasNext())
fromq += j.next();
while(j.hasNext())
fromq += "," + j.next();
if(hasCompareRunCall) {
if(fromRels.size() > 0)
fromq += ",";
fromq += "(" + computeCompareRunQuery(compareRunParams) + ") AS compare_run";
}
return fromq;
}
public static String computeJoinExpressions(UndirectedGraph<String,DefaultEdge> schemaGraph, HashSet<DefaultEdge> jEdges, HashSet<String> qrels) {
HashMap<DefaultEdge,String> joinExpressions = new HashMap<DefaultEdge, String>();
String joinExpressionsString = new String();
//joinExpressions.put(schemaGraph.getEdge("annotation", "script_run"), "annotation.script_run_id=script_run.id");
joinExpressions.put(schemaGraph.getEdge("script_run", "function_call"), "script_run.id=function_call.script_run_id");
//joinExpressions.put(schemaGraph.getEdge("function_call", "annotation"), "function_call.id=annotation.function_call_id");
joinExpressions.put(schemaGraph.getEdge("function_call", "dataset_out"), "function_call.id=dataset_out.function_call_id");
joinExpressions.put(schemaGraph.getEdge("function_call", "dataset_in"), "function_call.id=dataset_in.function_call_id");
joinExpressions.put(schemaGraph.getEdge("function_call", "application_execution"), "function_call.id=application_execution.function_call_id");
joinExpressions.put(schemaGraph.getEdge("application_execution", "runtime_info"), "application_execution.id=runtime_info.application_execution_id");
joinExpressions.put(schemaGraph.getEdge("dataset", "dataset_in"), "dataset.id=dataset_in.dataset_id");
joinExpressions.put(schemaGraph.getEdge("dataset", "dataset_out"), "dataset.id=dataset_out.dataset_id");
//joinExpressions.put(schemaGraph.getEdge("dataset", "annotation"), "dataset.id=annotation.dataset_id");
joinExpressions.put(schemaGraph.getEdge("dataset", "containment"), "dataset.id=containment.containee");
joinExpressions.put(schemaGraph.getEdge("dataset", "containment"), "dataset.id=containment.container");
Iterator<DefaultEdge> i = jEdges.iterator();
if(i.hasNext()) {
DefaultEdge aux = i.next();
if(qrels.contains("dataset_in") || qrels.contains("dataset_out")) {
joinExpressionsString = joinExpressions.get(aux);
}
else {
if(aux.equals(schemaGraph.getEdge("dataset_in","function_call")) || aux.equals(schemaGraph.getEdge("dataset_out","function_call")))
joinExpressionsString = "dataset_io.function_call_id=function_call.id";
else if(aux.equals(schemaGraph.getEdge("dataset_in","dataset")) || aux.equals(schemaGraph.getEdge("dataset_out","dataset")))
joinExpressionsString = "dataset_io.dataset_id=dataset.id";
else {
joinExpressionsString = joinExpressions.get(aux);
}
}
}
while(i.hasNext()) {
DefaultEdge aux = i.next();
if(qrels.contains("dataset_in") || qrels.contains("dataset_out")) {
joinExpressionsString += " AND " + joinExpressions.get(aux);
}
else {
if(aux.equals(schemaGraph.getEdge("dataset_in","function_call")) || aux.equals(schemaGraph.getEdge("dataset_out","function_call")))
joinExpressionsString += " AND " + "dataset_io.function_call_id=function_call.id";
else if(aux.equals(schemaGraph.getEdge("dataset_in","dataset")) || aux.equals(schemaGraph.getEdge("dataset_out","dataset")))
joinExpressionsString += " AND " + "dataset_io.dataset_id=dataset.id";
else {
joinExpressionsString += " AND " + joinExpressions.get(aux);
}
}
}
return joinExpressionsString;
}
public static String computeCompareRunQuery(HashSet<String> atoms) {
String compareRunSelectClause = "SELECT script_run_id";
String compareRunFromClause = "FROM";
Iterator<String> i = atoms.iterator();
int nId = 0;
for(String arg: atoms) {
String[] argTokens = arg.split("=");
if(argTokens[0].equals("key_numeric") ||
argTokens[0].equals("key_text") ||
argTokens[0].equals("parameter"))
{
String key = argTokens[1].split("'")[1];
nId++;
String sId = "j" + nId;
compareRunSelectClause+=", " + sId + ".value as " + key;
if(nId>1)
compareRunFromClause += " INNER JOIN";
compareRunFromClause += " compare_run_by_" + argTokens[0] + "(\'" + key + "\') as " + sId;
if(nId>1)
compareRunFromClause += " USING (script_run_id)";
}
}
String compareRunQuery = compareRunSelectClause + " " + compareRunFromClause;
return compareRunQuery;
}
// $ANTLR start "query"
// SPQL.g:202:1: query : squery ( ( UNION | INTERSECT | EXCEPT ) ( ALL )? squery )* SEMICOLON ;
public final void query() throws RecognitionException {
try {
// SPQL.g:202:7: ( squery ( ( UNION | INTERSECT | EXCEPT ) ( ALL )? squery )* SEMICOLON )
// SPQL.g:202:9: squery ( ( UNION | INTERSECT | EXCEPT ) ( ALL )? squery )* SEMICOLON
{
pushFollow(FOLLOW_squery_in_query22);
squery();
state._fsp--;
// SPQL.g:202:16: ( ( UNION | INTERSECT | EXCEPT ) ( ALL )? squery )*
loop3:
do {
int alt3=2;
int LA3_0 = input.LA(1);
if ( ((LA3_0>=UNION && LA3_0<=EXCEPT)) ) {
alt3=1;
}
switch (alt3) {
case 1 :
// SPQL.g:203:3: ( UNION | INTERSECT | EXCEPT ) ( ALL )? squery
{
// SPQL.g:203:3: ( UNION | INTERSECT | EXCEPT )
int alt1=3;
switch ( input.LA(1) ) {
case UNION:
{
alt1=1;
}
break;
case INTERSECT:
{
alt1=2;
}
break;
case EXCEPT:
{
alt1=3;
}
break;
default:
NoViableAltException nvae =
new NoViableAltException("", 1, 0, input);
throw nvae;
}
switch (alt1) {
case 1 :
// SPQL.g:204:3: UNION
{
match(input,UNION,FOLLOW_UNION_in_query34);
System.out.println(" UNION ");
}
break;
case 2 :
// SPQL.g:206:3: INTERSECT
{
match(input,INTERSECT,FOLLOW_INTERSECT_in_query45);
System.out.println(" INTERSECT ");
}
break;
case 3 :
// SPQL.g:208:3: EXCEPT
{
match(input,EXCEPT,FOLLOW_EXCEPT_in_query56);
System.out.println(" EXCEPT ");
}
break;
}
// SPQL.g:210:3: ( ALL )?
int alt2=2;
int LA2_0 = input.LA(1);
if ( (LA2_0==ALL) ) {
alt2=1;
}
switch (alt2) {
case 1 :
// SPQL.g:211:3: ALL
{
match(input,ALL,FOLLOW_ALL_in_query70);
System.out.println(" ALL ");
}
break;
}
pushFollow(FOLLOW_squery_in_query82);
squery();
state._fsp--;
}
break;
default :
break loop3;
}
} while (true);
match(input,SEMICOLON,FOLLOW_SEMICOLON_in_query95);
System.out.print(";");
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {
}
return ;
}
// $ANTLR end "query"
// $ANTLR start "squery"
// SPQL.g:221:1: squery : ( SELECT ( DISTINCT )? selectExpression ( WHERE whereExpression )? ( GROUP BY a= entityAndAttribute ( COLON b= entityAndAttribute )* ( HAVING havingExpression )? )? ( ORDER BY (c= entityAndAttribute | COUNT | e= AGGRFUN ) ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )* ( DESC | ASC )? )? | '(' squery ')' );
public final void squery() throws RecognitionException {
Token e=null;
Token f=null;
SPQLParser.entityAndAttribute_return a = null;
SPQLParser.entityAndAttribute_return b = null;
SPQLParser.entityAndAttribute_return c = null;
SPQLParser.entityAndAttribute_return d = null;
try {
// SPQL.g:221:8: ( SELECT ( DISTINCT )? selectExpression ( WHERE whereExpression )? ( GROUP BY a= entityAndAttribute ( COLON b= entityAndAttribute )* ( HAVING havingExpression )? )? ( ORDER BY (c= entityAndAttribute | COUNT | e= AGGRFUN ) ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )* ( DESC | ASC )? )? | '(' squery ')' )
int alt14=2;
int LA14_0 = input.LA(1);
if ( (LA14_0==SELECT) ) {
alt14=1;
}
else if ( (LA14_0==38) ) {
alt14=2;
}
else {
NoViableAltException nvae =
new NoViableAltException("", 14, 0, input);
throw nvae;
}
switch (alt14) {
case 1 :
// SPQL.g:221:10: SELECT ( DISTINCT )? selectExpression ( WHERE whereExpression )? ( GROUP BY a= entityAndAttribute ( COLON b= entityAndAttribute )* ( HAVING havingExpression )? )? ( ORDER BY (c= entityAndAttribute | COUNT | e= AGGRFUN ) ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )* ( DESC | ASC )? )?
{
match(input,SELECT,FOLLOW_SELECT_in_squery109);
System.out.print("SELECT ");
// SPQL.g:225:3: ( DISTINCT )?
int alt4=2;
int LA4_0 = input.LA(1);
if ( (LA4_0==DISTINCT) ) {
alt4=1;
}
switch (alt4) {
case 1 :
// SPQL.g:226:3: DISTINCT
{
match(input,DISTINCT,FOLLOW_DISTINCT_in_squery122);
System.out.print("DISTINCT ");
}
break;
}
pushFollow(FOLLOW_selectExpression_in_squery136);
selectExpression();
state._fsp--;
System.out.print(selectClause);
// SPQL.g:235:3: ( WHERE whereExpression )?
int alt5=2;
int LA5_0 = input.LA(1);
if ( (LA5_0==WHERE) ) {
alt5=1;
}
switch (alt5) {
case 1 :
// SPQL.g:235:4: WHERE whereExpression
{
match(input,WHERE,FOLLOW_WHERE_in_squery146);
pushFollow(FOLLOW_whereExpression_in_squery148);
whereExpression();
state._fsp--;
hasWhereExpression=true;
}
break;
}
schemaGraph = buildGraph();
joinEdges = computeJoinEdges(schemaGraph, relations);
hasWhereJoinExpression=false;
fromClause += computeFrom(schemaGraph, joinEdges, relations);
System.out.print(fromClause);
whereClauseJoinExpressions += computeJoinExpressions(schemaGraph, joinEdges, relations);
if(!whereClauseJoinExpressions.isEmpty()) {
hasWhereJoinExpression=true;
System.out.print(" WHERE " + whereClauseJoinExpressions);
}
if(hasWhereExpression) {
if(hasWhereJoinExpression)
System.out.print(" AND ");
else
System.out.print(" WHERE ");
System.out.print(whereClause);
}
// SPQL.g:264:4: ( GROUP BY a= entityAndAttribute ( COLON b= entityAndAttribute )* ( HAVING havingExpression )? )?
int alt8=2;
int LA8_0 = input.LA(1);
if ( (LA8_0==GROUP) ) {
alt8=1;
}
switch (alt8) {
case 1 :
// SPQL.g:265:4: GROUP BY a= entityAndAttribute ( COLON b= entityAndAttribute )* ( HAVING havingExpression )?
{
match(input,GROUP,FOLLOW_GROUP_in_squery171);
match(input,BY,FOLLOW_BY_in_squery173);
System.out.print(" GROUP BY ");
pushFollow(FOLLOW_entityAndAttribute_in_squery186);
a=entityAndAttribute();
state._fsp--;
System.out.print((a!=null?input.toString(a.start,a.stop):null));
// SPQL.g:273:4: ( COLON b= entityAndAttribute )*
loop6:
do {
int alt6=2;
int LA6_0 = input.LA(1);
if ( (LA6_0==COLON) ) {
alt6=1;
}
switch (alt6) {
case 1 :
// SPQL.g:274:4: COLON b= entityAndAttribute
{
match(input,COLON,FOLLOW_COLON_in_squery201);
pushFollow(FOLLOW_entityAndAttribute_in_squery208);
b=entityAndAttribute();
state._fsp--;
System.out.print(",");
System.out.print((b!=null?input.toString(b.start,b.stop):null));
}
break;
default :
break loop6;
}
} while (true);
// SPQL.g:281:4: ( HAVING havingExpression )?
int alt7=2;
int LA7_0 = input.LA(1);
if ( (LA7_0==HAVING) ) {
alt7=1;
}
switch (alt7) {
case 1 :
// SPQL.g:282:4: HAVING havingExpression
{
match(input,HAVING,FOLLOW_HAVING_in_squery229);
System.out.print(" HAVING ");
pushFollow(FOLLOW_havingExpression_in_squery236);
havingExpression();
state._fsp--;
}
break;
}
}
break;
}
// SPQL.g:286:4: ( ORDER BY (c= entityAndAttribute | COUNT | e= AGGRFUN ) ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )* ( DESC | ASC )? )?
int alt13=2;
int LA13_0 = input.LA(1);
if ( (LA13_0==ORDER) ) {
alt13=1;
}
switch (alt13) {
case 1 :
// SPQL.g:287:4: ORDER BY (c= entityAndAttribute | COUNT | e= AGGRFUN ) ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )* ( DESC | ASC )?
{
match(input,ORDER,FOLLOW_ORDER_in_squery258);
match(input,BY,FOLLOW_BY_in_squery260);
System.out.print(" ORDER BY ");
// SPQL.g:291:4: (c= entityAndAttribute | COUNT | e= AGGRFUN )
int alt9=3;
switch ( input.LA(1) ) {
case ID:
{
alt9=1;
}
break;
case COUNT:
{
alt9=2;
}
break;
case AGGRFUN:
{
alt9=3;
}
break;
default:
NoViableAltException nvae =
new NoViableAltException("", 9, 0, input);
throw nvae;
}
switch (alt9) {
case 1 :
// SPQL.g:292:4: c= entityAndAttribute
{
pushFollow(FOLLOW_entityAndAttribute_in_squery278);
c=entityAndAttribute();
state._fsp--;
System.out.print((c!=null?input.toString(c.start,c.stop):null));
}
break;
case 2 :
// SPQL.g:297:4: COUNT
{
match(input,COUNT,FOLLOW_COUNT_in_squery293);
System.out.print(" COUNT ");
}
break;
case 3 :
// SPQL.g:299:4: e= AGGRFUN
{
e=(Token)match(input,AGGRFUN,FOLLOW_AGGRFUN_in_squery307);
System.out.print(" " + (e!=null?e.getText():null) + " ");
}
break;
}
// SPQL.g:301:4: ( COLON (d= entityAndAttribute | COUNT | f= AGGRFUN ) )*
loop11:
do {
int alt11=2;
int LA11_0 = input.LA(1);
if ( (LA11_0==COLON) ) {
alt11=1;
}
switch (alt11) {
case 1 :
// SPQL.g:302:4: COLON (d= entityAndAttribute | COUNT | f= AGGRFUN )
{
match(input,COLON,FOLLOW_COLON_in_squery324);
System.out.print(",");
// SPQL.g:303:4: (d= entityAndAttribute | COUNT | f= AGGRFUN )
int alt10=3;
switch ( input.LA(1) ) {
case ID:
{
alt10=1;
}
break;
case COUNT:
{
alt10=2;
}
break;
case AGGRFUN:
{
alt10=3;
}
break;
default:
NoViableAltException nvae =
new NoViableAltException("", 10, 0, input);
throw nvae;
}
switch (alt10) {
case 1 :
// SPQL.g:304:4: d= entityAndAttribute
{
pushFollow(FOLLOW_entityAndAttribute_in_squery338);
d=entityAndAttribute();
state._fsp--;
System.out.print((d!=null?input.toString(d.start,d.stop):null));
}
break;
case 2 :
// SPQL.g:309:4: COUNT
{
match(input,COUNT,FOLLOW_COUNT_in_squery356);
System.out.print(" COUNT ");
}
break;
case 3 :
// SPQL.g:311:4: f= AGGRFUN
{
f=(Token)match(input,AGGRFUN,FOLLOW_AGGRFUN_in_squery370);
System.out.print(" " + (f!=null?f.getText():null) + " ");
}
break;
}
}
break;
default :
break loop11;
}
} while (true);
// SPQL.g:315:4: ( DESC | ASC )?
int alt12=3;
int LA12_0 = input.LA(1);
if ( (LA12_0==DESC) ) {
alt12=1;
}
else if ( (LA12_0==ASC) ) {
alt12=2;
}
switch (alt12) {
case 1 :
// SPQL.g:316:5: DESC
{
match(input,DESC,FOLLOW_DESC_in_squery395);
System.out.print(" DESC ");
}
break;
case 2 :
// SPQL.g:318:5: ASC
{
match(input,ASC,FOLLOW_ASC_in_squery410);
System.out.print(" ASC ");
}
break;
}
}
break;
}
}
break;
case 2 :
// SPQL.g:322:3: '(' squery ')'
{
match(input,38,FOLLOW_38_in_squery433);
System.out.print("(");
pushFollow(FOLLOW_squery_in_squery439);
squery();
state._fsp--;
match(input,39,FOLLOW_39_in_squery443);
System.out.print(")");
}
break;
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {
}
return ;
}
// $ANTLR end "squery"
// $ANTLR start "selectAtom"
// SPQL.g:328:1: selectAtom : (a= entityAttribute | b= AGGRFUN '(' c= entityAndAttribute ')' | d= COUNT '(' (e= entityAttribute | '*' ) ')' | builtInProcedureAttribute );
public final void selectAtom() throws RecognitionException {
Token b=null;
Token d=null;
SPQLParser.entityAttribute_return a = null;
SPQLParser.entityAndAttribute_return c = null;
SPQLParser.entityAttribute_return e = null;
try {
// SPQL.g:329:2: (a= entityAttribute | b= AGGRFUN '(' c= entityAndAttribute ')' | d= COUNT '(' (e= entityAttribute | '*' ) ')' | builtInProcedureAttribute )
int alt16=4;
switch ( input.LA(1) ) {
case ID:
{
alt16=1;
}
break;
case AGGRFUN:
{
alt16=2;
}
break;
case COUNT:
{
alt16=3;
}
break;
case COMPARERUN:
{
alt16=4;
}
break;
default:
NoViableAltException nvae =
new NoViableAltException("", 16, 0, input);
throw nvae;
}
switch (alt16) {
case 1 :
// SPQL.g:329:4: a= entityAttribute
{
pushFollow(FOLLOW_entityAttribute_in_selectAtom465);
a=entityAttribute();
state._fsp--;
selectClause += (a!=null?input.toString(a.start,a.stop):null);
relations.add((a!=null?input.toString(a.start,a.stop):null).split("\\.")[0]);
if((a!=null?input.toString(a.start,a.stop):null).split("\\.").length == 1)
selectClause += ".*";
}
break;
case 2 :
// SPQL.g:337:3: b= AGGRFUN '(' c= entityAndAttribute ')'
{
b=(Token)match(input,AGGRFUN,FOLLOW_AGGRFUN_in_selectAtom480);
selectClause+=(b!=null?b.getText():null);
match(input,38,FOLLOW_38_in_selectAtom489);
selectClause+="(";
pushFollow(FOLLOW_entityAndAttribute_in_selectAtom498);
c=entityAndAttribute();
state._fsp--;
selectClause += (c!=null?input.toString(c.start,c.stop):null);
relations.add((c!=null?input.toString(c.start,c.stop):null).split("\\.")[0]);
if((c!=null?input.toString(c.start,c.stop):null).split("\\.").length == 1)
selectClause += ".*";
match(input,39,FOLLOW_39_in_selectAtom508);
selectClause+=")";
}
break;
case 3 :
// SPQL.g:351:3: d= COUNT '(' (e= entityAttribute | '*' ) ')'
{
d=(Token)match(input,COUNT,FOLLOW_COUNT_in_selectAtom521);
selectClause+=(d!=null?d.getText():null);
match(input,38,FOLLOW_38_in_selectAtom530);
selectClause+="(";
// SPQL.g:356:3: (e= entityAttribute | '*' )
int alt15=2;
int LA15_0 = input.LA(1);
if ( (LA15_0==ID) ) {
alt15=1;
}
else if ( (LA15_0==40) ) {
alt15=2;
}
else {
NoViableAltException nvae =
new NoViableAltException("", 15, 0, input);
throw nvae;
}
switch (alt15) {
case 1 :
// SPQL.g:357:3: e= entityAttribute
{
pushFollow(FOLLOW_entityAttribute_in_selectAtom543);
e=entityAttribute();
state._fsp--;
selectClause += (e!=null?input.toString(e.start,e.stop):null);
relations.add((e!=null?input.toString(e.start,e.stop):null).split("\\.")[0]);
if((e!=null?input.toString(e.start,e.stop):null).split("\\.").length == 1)
selectClause += ".*";
}
break;
case 2 :
// SPQL.g:365:3: '*'
{
match(input,40,FOLLOW_40_in_selectAtom557);
selectClause+="*";
}
break;
}
match(input,39,FOLLOW_39_in_selectAtom567);
selectClause+=")";
}
break;
case 4 :
// SPQL.g:369:3: builtInProcedureAttribute
{
pushFollow(FOLLOW_builtInProcedureAttribute_in_selectAtom578);
builtInProcedureAttribute();
state._fsp--;
}
break;
}
}
catch (RecognitionException re) {
reportError(re);
recover(input,re);
}
finally {