added support of SELECT FROM table function (h2)

Author: tfedkiv

pom.xml

@@ -2,7 +2,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.jsqlparser</groupId>
     <artifactId>jsqlparser</artifactId>
-    <version>0.9.5-SNAPSHOT</version>
+    <version>0.9.888-SNAPSHOT</version>
     <name>JSQLParser library</name>
     <inceptionYear>2004</inceptionYear>
     <organization>

src/main/java/net/sf/jsqlparser/statement/select/FromItemVisitor.java

@@ -34,4 +34,6 @@ public interface FromItemVisitor {
 	void visit(LateralSubSelect lateralSubSelect);
 
 	void visit(ValuesList valuesList);
+
+	void visit(TableFunction tableFunction);
 }

src/main/java/net/sf/jsqlparser/statement/select/FromItemVisitorAdapter.java

@@ -48,4 +48,9 @@ public void visit(LateralSubSelect lateralSubSelect) {
     public void visit(ValuesList valuesList) {
 
     }
+
+    @Override
+    public void visit(TableFunction valuesList) {
+
+    }
 }

src/main/java/net/sf/jsqlparser/statement/select/TableFunction.java

@@ -0,0 +1,98 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2015 JSQLParser
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 2.1 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Lesser Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Lesser Public
+ * License along with this program.  If not, see
+ * <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ * #L%
+ */
+package net.sf.jsqlparser.statement.select;
+
+import net.sf.jsqlparser.expression.Alias;
+import net.sf.jsqlparser.expression.operators.relational.ExpressionList;
+
+public class TableFunction implements FromItem {
+
+    private String name;
+    private ExpressionList parameters;
+
+    /**
+     * The name of he procedure, i.e. "UNWIND_TOP"
+     *
+     * @return the name of he procedure
+     */
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String string) {
+        name = string;
+    }
+
+    /**
+     * The list of parameters of the tableFunction (if any, else null)
+     *
+     * @return the list of parameters of the tableFunction (if any, else null)
+     */
+    public ExpressionList getParameters() {
+        return parameters;
+    }
+
+    public void setParameters(ExpressionList list) {
+        parameters = list;
+    }
+
+    @Override
+    public void accept(FromItemVisitor fromItemVisitor) {
+        fromItemVisitor.visit(this);
+    }
+
+    @Override
+    public Alias getAlias() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void setAlias(Alias alias) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public Pivot getPivot() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public void setPivot(Pivot pivot) {
+        throw new UnsupportedOperationException();
+    }
+    
+    @Override
+    public String toString() {
+        String params;
+
+        if (parameters != null) {
+            params = parameters.toString();
+        }else {
+            params = "()";
+        }
+
+        String ans = name + "" + params + "";
+
+        return ans;
+    }
+
+}

src/main/java/net/sf/jsqlparser/util/TablesNamesFinder.java

@@ -640,4 +640,8 @@ public void visit(Merge merge) {
     public void visit(OracleHint hint) {
     }
 
+    @Override
+    public void visit(TableFunction valuesList) {
+    }
+
 }

src/main/java/net/sf/jsqlparser/util/deparser/SelectDeParser.java

@@ -420,4 +420,9 @@ public void visit(ValuesList valuesList) {
     public void visit(AllColumns allColumns) {
         buffer.append('*');
     }
+
+    @Override
+    public void visit(TableFunction tableFunction) {
+        buffer.append(tableFunction.toString());
+    }
 }

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -1100,6 +1100,9 @@ FromItem FromItem():
 					")"
 				)
 				|
+				LOOKAHEAD(TableFunction())
+				fromItem=TableFunction()
+				|
 				fromItem=Table()
                 |
 				fromItem=LateralSubSelect()
@@ -2414,6 +2417,22 @@ MySQLGroupConcat MySQLGroupConcat():{
     }
 }
 
+TableFunction TableFunction():
+{
+    TableFunction retval = new TableFunction();
+    String procName = null;
+    ExpressionList expressionList = null;
+}
+{
+    procName=RelObjectNameExt()
+    "(" [ expressionList=SimpleExpressionList() ] ")"
+
+    {
+        retval.setParameters(expressionList);
+        retval.setName(procName);
+        return retval;
+    }
+}
 
 SubSelect SubSelect():
 {