improve oracle sql parser

src/main/java/com/alibaba/druid/sql/parser/Keywords.java

@@ -35,6 +35,9 @@ public class Keywords {
         map.put("AND", Token.AND);
         map.put("ANY", Token.ANY);
         map.put("AS", Token.AS);
+        
+        map.put("ENABLE", Token.ENABLE);
+        map.put("DISABLE", Token. DISABLE);
 
         map.put("ASC", Token.ASC);
         map.put("BETWEEN", Token.BETWEEN);
@@ -48,6 +51,7 @@ public class Keywords {
         map.put("DATABASE", Token.DATABASE);
         map.put("DEFAULT", Token.DEFAULT);
         map.put("COLUMN", Token.COLUMN);
+        map.put("TABLESPACE", Token.TABLESPACE);
 
         map.put("DELETE", Token.DELETE);
         map.put("DESC", Token.DESC);
@@ -119,7 +123,8 @@ public class Keywords {
         map.put("REPLACE", Token.REPLACE);
         
         map.put("COMMENT", Token.COMMENT);
-
+        map.put("COMPUTE", Token.COMPUTE);
+        
         DEFAULT_KEYWORDS = new Keywords(map);
     }
 

src/main/java/com/alibaba/druid/sql/parser/SQLCreateTableParser.java

@@ -77,6 +77,8 @@ public class SQLCreateTableParser extends SQLDDLParser {
                 } else if (lexer.token == Token.UNIQUE) {
                     SQLUnique unique = exprParser.parseUnique();
                     createTable.getTableElementList().add(unique);
+                } else if (lexer.token() == Token.TABLESPACE) {
+                    throw new ParserException("TODO " + lexer.token());
                 } else {
                     throw new ParserException("TODO " + lexer.token());
                 }

src/main/java/com/alibaba/druid/sql/parser/SQLExprParser.java

@@ -233,6 +233,9 @@ public class SQLExprParser extends SQLParser {
             case IF:
             case END:
             case COMMENT:
+            case COMPUTE:
+            case ENABLE:
+            case DISABLE:
                 sqlExpr = new SQLIdentifierExpr(lexer.stringVal());
                 lexer.nextToken();
                 break;

src/main/java/com/alibaba/druid/sql/parser/SQLStatementParser.java

@@ -324,7 +324,7 @@ public class SQLStatementParser extends SQLParser {
                     } else {
                         throw new ParserException("TODO " + lexer.token() + " " + lexer.stringVal());
                     }
-                } else if (identifierEquals("DISABLE")) {
+                } else if (lexer.token() == Token.DISABLE) {
                     lexer.nextToken();
 
                     if (lexer.token() == Token.CONSTRAINT) {
@@ -337,7 +337,7 @@ public class SQLStatementParser extends SQLParser {
                         SQLAlterTableDisableKeys item = new SQLAlterTableDisableKeys();
                         stmt.getItems().add(item);
                     }
-                } else if (identifierEquals("ENABLE")) {
+                } else if (lexer.token() == Token.ENABLE) {
                     lexer.nextToken();
                     if (lexer.token() == Token.CONSTRAINT) {
                         lexer.nextToken();

src/main/java/com/alibaba/druid/sql/parser/Token.java

@@ -35,6 +35,7 @@ public enum Token {
     ALTER("ALTER"), 
     DROP("DROP"), 
     TABLE("TABLE"), 
+    TABLESPACE("TABLESPACE"), 
     UPDATE("UPDATE"), 
     SET("SET"), 
     SELECT("SELECT"), 
@@ -167,6 +168,18 @@ public enum Token {
     SAVEPOINT("SAVEPOINT"),
     CROSS("CROSS"),
     
+    PCTFREE("PCTFREE"),
+    INITRANS("INITRANS"),
+    MAXTRANS("MAXTRANS"),
+    ENABLE("ENABLE"),
+    DISABLE("DISABLE"),
+    SEGMENT("SEGMENT"),
+    CREATION("CREATION"),
+    IMMEDIATE("IMMEDIATE"),
+    DEFERRED("DEFERRED"),
+    
+    COMPUTE("COMPUTE"),
+    
     // transact-sql
     TOP("TOP"),