sql parser support create database

src/main/java/com/alibaba/druid/sql/dialect/mysql/ast/statement/MySqlCreateDatabaseStatement.java

@@ -0,0 +1,6 @@
+package com.alibaba.druid.sql.dialect.mysql.ast.statement;
+
+
+public class MySqlCreateDatabaseStatement {
+
+}

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlLexer.java

@@ -35,84 +35,18 @@ public class MySqlLexer extends Lexer {
 
     static {
         Map<String, Token> map = new HashMap<String, Token>();
-        map.put("EXISTS", Token.EXISTS);
-        map.put("THEN", Token.THEN);
-        map.put("AS", Token.AS);
-        map.put("GROUP", Token.GROUP);
-        map.put("BY", Token.BY);
-        map.put("HAVING", Token.HAVING);
-        map.put("DELETE", Token.DELETE);
-        map.put("ORDER", Token.ORDER);
-        map.put("INDEX", Token.INDEX);
-        map.put("FOR", Token.FOR);
-        map.put("SCHEMA", Token.SCHEMA);
-        map.put("FOREIGN", Token.FOREIGN);
-        map.put("REFERENCES", Token.REFERENCES);
-        map.put("CHECK", Token.CHECK);
-        map.put("PRIMARY", Token.PRIMARY);
-        map.put("KEY", Token.KEY);
-        map.put("CONSTRAINT", Token.CONSTRAINT);
-        map.put("DEFAULT", Token.DEFAULT);
-        map.put("VIEW", Token.VIEW);
-        map.put("CREATE", Token.CREATE);
-        map.put("VALUES", Token.VALUES);
-        map.put("ALTER", Token.ALTER);
-        map.put("TABLE", Token.TABLE);
-        map.put("DROP", Token.DROP);
-        map.put("SET", Token.SET);
-        map.put("INTO", Token.INTO);
-        map.put("UPDATE", Token.UPDATE);
-        map.put("NULL", Token.NULL);
-        map.put("IS", Token.IS);
-        map.put("NOT", Token.NOT);
-        map.put("SELECT", Token.SELECT);
-        map.put("INSERT", Token.INSERT);
-        map.put("FROM", Token.FROM);
-        map.put("WHERE", Token.WHERE);
-        map.put("AND", Token.AND);
-        map.put("OR", Token.OR);
-        map.put("XOR", Token.XOR);
-        map.put("DISTINCT", Token.DISTINCT);
-        map.put("UNIQUE", Token.UNIQUE);
-        map.put("ALL", Token.ALL);
-        map.put("UNION", Token.UNION);
-        map.put("INTERSECT", Token.INTERSECT);
-        map.put("MINUS", Token.MINUS);
-        map.put("INNER", Token.INNER);
-        map.put("LEFT", Token.LEFT);
-        map.put("RIGHT", Token.RIGHT);
-        map.put("FULL", Token.FULL);
-        map.put("ON", Token.ON);
-        map.put("OUTER", Token.OUTER);
-        map.put("JOIN", Token.JOIN);
-        map.put("NEW", Token.NEW);
-        map.put("CASE", Token.CASE);
-        map.put("WHEN", Token.WHEN);
-        map.put("END", Token.END);
-        map.put("WHEN", Token.WHEN);
-        map.put("ELSE", Token.ELSE);
-        map.put("EXISTS", Token.EXISTS);
-        map.put("CAST", Token.CAST);
-        map.put("IN", Token.IN);
-        map.put("ASC", Token.ASC);
-        map.put("DESC", Token.DESC);
-        map.put("LIKE", Token.LIKE);
-        map.put("ESCAPE", Token.ESCAPE);
-        map.put("BETWEEN", Token.BETWEEN);
-        map.put("INTERVAL", Token.INTERVAL);
-        map.put("LOCK", Token.LOCK);
-        map.put("SOME", Token.SOME);
-        map.put("ANY", Token.ANY);
-        map.put("TRUNCATE", Token.TRUNCATE);
-        map.put("IF", Token.IF);
-
-        map.put("TRUE", Token.TRUE);
-        map.put("FALSE", Token.FALSE);
-        map.put("LIMIT", Token.LIMIT);
-        map.put("KILL", Token.KILL);
-        map.put("IDENTIFIED", Token.IDENTIFIED);
+        
+        map.putAll(Keywords.DEFAULT_KEYWORDS.getKeywords());
+        
         map.put("DUAL", Token.DUAL);
+        map.put("FALSE", Token.FALSE);
+        map.put("IDENTIFIED", Token.IDENTIFIED);
+        map.put("IF", Token.IF);
+        map.put("KILL", Token.KILL);
 
+        map.put("LIMIT", Token.LIMIT);
+        map.put("TRUE", Token.TRUE);
+        
         DEFAULT_MYSQL_KEYWORDS = new Keywords(map);
     }
 

src/main/java/com/alibaba/druid/sql/dialect/mysql/parser/MySqlStatementParser.java

@@ -28,6 +28,7 @@ import com.alibaba.druid.sql.ast.expr.SQLQueryExpr;
 import com.alibaba.druid.sql.ast.expr.SQLVariantRefExpr;
 import com.alibaba.druid.sql.ast.statement.SQLAlterTableDropColumnItem;
 import com.alibaba.druid.sql.ast.statement.SQLColumnDefinition;
+import com.alibaba.druid.sql.ast.statement.SQLCreateDatabaseStatement;
 import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
 import com.alibaba.druid.sql.ast.statement.SQLDropTableStatement;
 import com.alibaba.druid.sql.ast.statement.SQLDropViewStatement;
@@ -274,6 +275,10 @@ public class MySqlStatementParser extends SQLStatementParser {
             stmt.setHints(hints);
             return stmt;
         }
+        
+        if (lexer.token() == Token.DATABASE) {
+            return parseCreateDatabase();
+        }
 
         if (lexer.token() == Token.UNIQUE || lexer.token() == Token.INDEX || identifierEquals("FULLTEXT")
             || identifierEquals("SPATIAL")) {
@@ -2277,4 +2282,21 @@ public class MySqlStatementParser extends SQLStatementParser {
 
         return stmt;
     }
+    
+    public SQLStatement parseCreateDatabase() {
+        if (lexer.token() == Token.CREATE) {
+            lexer.nextToken();
+        }
+        
+        accept(Token.DATABASE);
+        
+        SQLCreateDatabaseStatement stmt = new SQLCreateDatabaseStatement();
+        stmt.setName(this.exprParser.name());
+        
+        if (lexer.token() == Token.DEFAULT) {
+            lexer.nextToken();
+        }
+        
+        return stmt;
+    }
 }