Started to add pivot support

Author: Jonathan Burnhams

src/main/java/net/sf/jsqlparser/schema/Table.java

@@ -24,6 +24,7 @@
 import net.sf.jsqlparser.statement.select.FromItem;
 import net.sf.jsqlparser.statement.select.FromItemVisitor;
 import net.sf.jsqlparser.statement.select.IntoTableVisitor;
+import net.sf.jsqlparser.statement.select.Pivot;
 
 /**
  * A table. It can have an alias and the schema name it belongs to.
@@ -33,6 +34,7 @@ public class Table implements FromItem {
 	private String schemaName;
 	private String name;
 	private String alias;
+    private Pivot pivot;
 
 	public Table() {
 	}
@@ -68,7 +70,7 @@ public void setAlias(String string) {
 		alias = string;
 	}
 
-	public String getWholeTableName() {
+    public String getWholeTableName() {
 
 		String tableWholeName = null;
 		if (name == null) {
@@ -93,8 +95,18 @@ public void accept(IntoTableVisitor intoTableVisitor) {
 		intoTableVisitor.visit(this);
 	}
 
-	@Override
+    public Pivot getPivot() {
+        return pivot;
+    }
+
+    public void setPivot(Pivot pivot) {
+        this.pivot = pivot;
+    }
+
+    @Override
 	public String toString() {
-		return getWholeTableName() + ((alias != null) ? " AS " + alias : "");
+		return getWholeTableName() +
+                ((pivot != null) ? " "+pivot : "") +
+                ((alias != null) ? " AS " + alias : "");
 	}
 }

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

@@ -32,4 +32,9 @@ public interface FromItem {
 	String getAlias();
 
 	void setAlias(String alias);
+
+    Pivot getPivot();
+
+    void setPivot(Pivot pivot);
+
 }

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

@@ -0,0 +1,51 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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.Function;
+
+public class FunctionItem {
+
+    private Function function;
+    private String alias;
+
+    public String getAlias() {
+        return alias;
+    }
+
+    public void setAlias(String string) {
+        alias = string;
+    }
+
+    public Function getFunction() {
+        return function;
+    }
+
+    public void setFunction(Function function) {
+        this.function = function;
+    }
+
+    @Override
+    public String toString() {
+        return function + ((alias != null) ? " AS " + alias : "");
+    }
+}

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

@@ -30,6 +30,7 @@ public class LateralSubSelect implements FromItem {
 
 	private SubSelect subSelect;
 	private String alias;
+    private Pivot pivot;
 
 	public void setSubSelect(SubSelect subSelect) {
 		this.subSelect = subSelect;
@@ -54,8 +55,18 @@ public void setAlias(String alias) {
 		this.alias = alias;
 	}
 
-	@Override
+    public Pivot getPivot() {
+        return pivot;
+    }
+
+    public void setPivot(Pivot pivot) {
+        this.pivot = pivot;
+    }
+
+    @Override
 	public String toString() {
-		return "LATERAL" + subSelect.toString() + ((alias != null) ? " AS " + alias : "");
+		return "LATERAL" + subSelect.toString() +
+                ((pivot != null) ? " "+pivot : "") +
+                ((alias != null) ? " AS " + alias : "");
 	}
 }

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

@@ -0,0 +1,67 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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.schema.Column;
+
+import java.util.List;
+
+public class Pivot {
+
+    private List<FunctionItem> functionItems;
+
+    private List<Column> forColumns;
+
+    private List<SelectExpressionItem> inItems;
+
+    public List<FunctionItem> getFunctionItems() {
+        return functionItems;
+    }
+
+    public void setFunctionItems(List<FunctionItem> functionItems) {
+        this.functionItems = functionItems;
+    }
+
+    public List<Column> getForColumns() {
+        return forColumns;
+    }
+
+    public void setForColumns(List<Column> forColumns) {
+        this.forColumns = forColumns;
+    }
+
+    public List<SelectExpressionItem> getInItems() {
+        return inItems;
+    }
+
+    public void setInItems(List<SelectExpressionItem> inItems) {
+        this.inItems = inItems;
+    }
+
+    @Override
+    public String toString() {
+        return "PIVOT (" +
+                PlainSelect.getStringList(functionItems) +
+                " FOR " + PlainSelect.getStringList(forColumns, true, forColumns.size() > 1) +
+                " IN " + PlainSelect.getStringList(inItems, true, true) + ")";
+    }
+}

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

@@ -0,0 +1,26 @@
+/*
+ * #%L
+ * JSQLParser library
+ * %%
+ * Copyright (C) 2004 - 2013 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;
+
+public class PivotXml extends Pivot {
+
+}

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

@@ -21,12 +21,12 @@
  */
 package net.sf.jsqlparser.statement.select;
 
-import java.util.Iterator;
-import java.util.List;
-
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.schema.Table;
 
+import java.util.Iterator;
+import java.util.List;
+
 /**
  * The core of a "SELECT" statement (no UNION, no ORDER BY)
  */
@@ -159,7 +159,7 @@ public void setGroupByColumnReferences(List<Expression> list) {
 		groupByColumnReferences = list;
 	}
 
-	@Override
+    @Override
 	public String toString() {
 		StringBuilder sql = new StringBuilder("SELECT ");
 		if (distinct != null) {

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

@@ -29,6 +29,7 @@ public class SubJoin implements FromItem {
 	private FromItem left;
 	private Join join;
 	private String alias;
+    private Pivot pivot;
 
 	@Override
 	public void accept(FromItemVisitor fromItemVisitor) {
@@ -51,7 +52,15 @@ public void setJoin(Join j) {
 		join = j;
 	}
 
-	@Override
+    public Pivot getPivot() {
+        return pivot;
+    }
+
+    public void setPivot(Pivot pivot) {
+        this.pivot = pivot;
+    }
+
+    @Override
 	public String getAlias() {
 		return alias;
 	}
@@ -63,6 +72,8 @@ public void setAlias(String string) {
 
 	@Override
 	public String toString() {
-		return "(" + left + " " + join + ")" + ((alias != null) ? " AS " + alias : "");
+		return "(" + left + " " + join + ")" +
+                ((pivot != null) ? " "+pivot : "") +
+                ((alias != null) ? " AS " + alias : "");
 	}
 }

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

@@ -34,6 +34,8 @@ public class SubSelect implements FromItem, Expression, ItemsList {
 	private SelectBody selectBody;
 	private String alias;
 
+    private Pivot pivot;
+
 	@Override
 	public void accept(FromItemVisitor fromItemVisitor) {
 		fromItemVisitor.visit(this);
@@ -62,6 +64,14 @@ public void setAlias(String string) {
 		alias = string;
 	}
 
+    public Pivot getPivot() {
+        return pivot;
+    }
+
+    public void setPivot(Pivot pivot) {
+        this.pivot = pivot;
+    }
+
 	@Override
 	public void accept(ItemsListVisitor itemsListVisitor) {
 		itemsListVisitor.visit(this);

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

@@ -21,11 +21,12 @@
  */
 package net.sf.jsqlparser.statement.select;
 
-import java.util.Iterator;
-import java.util.List;
 import net.sf.jsqlparser.expression.operators.relational.ExpressionList;
 import net.sf.jsqlparser.expression.operators.relational.MultiExpressionList;
 
+import java.util.Iterator;
+import java.util.List;
+
 /**
  * This is a container for a values item within a select statement. It holds
  * some syntactical stuff that differs from values within an insert statement.
@@ -61,7 +62,16 @@ public void setAlias(String alias) {
 		this.alias = alias;
 	}
 
-	public MultiExpressionList getMultiExpressionList() {
+    @Override
+    public Pivot getPivot() {
+        return null;
+    }
+
+    @Override
+    public void setPivot(Pivot pivot) {
+    }
+
+    public MultiExpressionList getMultiExpressionList() {
 		return multiExpressionList;
 	}