Add support for 'UNLOGGED' tables

Support the PostgreSQL 9.1+ ‘UNLOGGED’ table feature

Author: Rodac

src/main/java/net/sf/jsqlparser/statement/create/table/CreateTable.java

@@ -36,6 +36,7 @@
 public class CreateTable implements Statement {
 
     private Table table;
+    private Boolean unlogged;
     private List<String> tableOptionsStrings;
     private List<ColumnDefinition> columnDefinitions;
     private List<Index> indexes;
@@ -57,6 +58,13 @@ public void setTable(Table table) {
         this.table = table;
     }
 
+    /**
+     * Whether the table is unlogged or not (PostgreSQL 9.1+ feature)
+     */
+    public Boolean isUnlogged() { return unlogged; }
+
+    public void setUnlogged(Boolean unlogged) { this.unlogged = unlogged; }
+
     /**
      * A list of {@link ColumnDefinition}s of this table.
      */
@@ -105,7 +113,7 @@ public void setSelect(Select select) {
     public String toString() {
         String sql = "";
 
-        sql = "CREATE TABLE " + table;
+        sql = "CREATE " + (unlogged != null && unlogged ? "UNLOGGED " : "") + "TABLE " + table;
 
         if (select != null) {
             sql += " AS " + select.toString();

src/main/javacc/net/sf/jsqlparser/parser/JSqlParserCC.jj

@@ -197,6 +197,7 @@ TOKEN: /* SQL Keywords. prefixed with K_ to avoid name clashes */
 |   <K_RETURNING: "RETURNING"> 
 |   <K_BINARY: "BINARY">  
 |   <K_REGEXP: "REGEXP">
+|   <K_UNLOGGED: "UNLOGGED">
 }
 
 TOKEN : /* Numeric Constants */
@@ -2034,6 +2035,7 @@ CreateTable CreateTable():
 	<K_CREATE>
 	// TODO:
 //	[ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } ]
+    [ <K_UNLOGGED> { createTable.setUnlogged(true); } ]
 	(CreateParameter())*
 
 	<K_TABLE> table=Table()

src/test/java/net/sf/jsqlparser/test/create/CreateTableTest.java

@@ -47,10 +47,11 @@ public void testCreateTableAsSelect2() throws JSQLParserException {
 	}
 
 	public void testCreateTable() throws JSQLParserException {
-		String statement = "CREATE TABLE mytab (mycol a (10, 20) c nm g, mycol2 mypar1 mypar2 (23,323,3) asdf ('23','123') dasd, "
+		String statement = "CREATE UNLOGGED TABLE mytab (mycol a (10, 20) c nm g, mycol2 mypar1 mypar2 (23,323,3) asdf ('23','123') dasd, "
 				+ "PRIMARY KEY (mycol2, mycol)) type = myisam";
 		CreateTable createTable = (CreateTable) parserManager.parse(new StringReader(statement));
 		assertEquals(2, createTable.getColumnDefinitions().size());
+        assertTrue(createTable.isUnlogged());
 		assertEquals("mycol", ((ColumnDefinition) createTable.getColumnDefinitions().get(0)).getColumnName());
 		assertEquals("mycol2", ((ColumnDefinition) createTable.getColumnDefinitions().get(1)).getColumnName());
 		assertEquals("PRIMARY KEY", ((Index) createTable.getIndexes().get(0)).getType());