support EnterpriseDB.

src/main/java/com/alibaba/druid/sql/dialect/odps/ast/OdpsDescStmt.java

@@ -23,6 +23,7 @@ import com.alibaba.druid.sql.ast.statement.SQLDescribeStatement;
 import com.alibaba.druid.sql.ast.statement.SQLObjectType;
 import com.alibaba.druid.sql.dialect.odps.visitor.OdpsASTVisitor;
 import com.alibaba.druid.sql.visitor.SQLASTVisitor;
+import com.alibaba.druid.util.JdbcConstants;
 
 public class OdpsDescStmt extends SQLDescribeStatement {
 
@@ -30,6 +31,10 @@ public class OdpsDescStmt extends SQLDescribeStatement {
 
     private List<SQLExpr> partition = new ArrayList<SQLExpr>();
 
+    public OdpsDescStmt() {
+        this.setDbType(JdbcConstants.ODPS);
+    }
+
     @Override
     protected void accept0(SQLASTVisitor visitor) {
         accept0((OdpsASTVisitor) visitor);

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

@@ -53,7 +53,8 @@ public class SQLParserUtils {
             return new MySqlStatementParser(sql);
         }
 
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             return new PGSQLStatementParser(sql);
         }
 
@@ -91,7 +92,8 @@ public class SQLParserUtils {
             return new MySqlExprParser(sql);
         }
 
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             return new PGExprParser(sql);
         }
 
@@ -125,7 +127,8 @@ public class SQLParserUtils {
             return new MySqlLexer(sql);
         }
 
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             return new PGLexer(sql);
         }
 

src/main/java/com/alibaba/druid/sql/visitor/ExportParameterVisitorUtils.java

@@ -58,9 +58,12 @@ public final class ExportParameterVisitorUtils {
         if (JdbcUtils.H2.equals(dbType)) {
             return new MySqlExportParameterVisitor(out);
         }
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+
+        if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             return new PGExportParameterVisitor(out);
         }
+
         if (JdbcUtils.SQL_SERVER.equals(dbType) || JdbcUtils.JTDS.equals(dbType)) {
             return new MSSQLServerExportParameterVisitor(out);
         }

src/main/java/com/alibaba/druid/sql/visitor/ParameterizedOutputVisitorUtils.java

@@ -90,7 +90,8 @@ public class ParameterizedOutputVisitorUtils {
             return new MySqlOutputVisitor(out, true);
         }
 
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             return new PGOutputVisitor(out, true);
         }
 

src/main/java/com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java

@@ -90,6 +90,7 @@ import com.alibaba.druid.sql.visitor.functions.Trim;
 import com.alibaba.druid.sql.visitor.functions.Ucase;
 import com.alibaba.druid.sql.visitor.functions.Unhex;
 import com.alibaba.druid.util.HexBin;
+import com.alibaba.druid.util.JdbcConstants;
 import com.alibaba.druid.util.JdbcUtils;
 import com.alibaba.druid.util.Utils;
 import com.alibaba.druid.wall.spi.WallVisitorUtils;
@@ -167,7 +168,8 @@ public class SQLEvalVisitorUtils {
             return new OracleEvalVisitor();
         }
 
-        if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        if (JdbcConstants.POSTGRESQL.equals(dbType)
+                || JdbcConstants.ENTERPRISE_DB.equals(dbType)) {
             return new PGEvalVisitor();
         }
 

src/main/java/com/alibaba/druid/util/JdbcConstants.java

@@ -88,4 +88,7 @@ public interface JdbcConstants {
 
     public static final String PHOENIX           = "phoenix";
     public static final String PHOENIX_DRIVER    = "org.apache.phoenix.jdbc.PhoenixDriver";
+
+    public static final String ENTERPRISE_DB        = "edb";
+    public static final String ENTERPRISE_DB_DRIVER = "com.edb.Driver";
 }

src/main/java/com/alibaba/druid/util/JdbcUtils.java

@@ -396,6 +396,8 @@ public final class JdbcUtils implements JdbcConstants {
             return "com.alibaba.druid.mock.MockDriver";
         } else if (rawUrl.startsWith("jdbc:postgresql:")) {
             return POSTGRESQL_DRIVER;
+        } else if (rawUrl.startsWith("jdbc:edb:")) {
+            return ENTERPRISE_DB_DRIVER;
         } else if (rawUrl.startsWith("jdbc:odps:")) {
             return ODPS_DRIVER;
         } else if (rawUrl.startsWith("jdbc:hsqldb:")) {
@@ -479,6 +481,8 @@ public final class JdbcUtils implements JdbcConstants {
             return MOCK;
         } else if (rawUrl.startsWith("jdbc:postgresql:") || rawUrl.startsWith("jdbc:log4jdbc:postgresql:")) {
             return POSTGRESQL;
+        } else if (rawUrl.startsWith("jdbc:edb:")) {
+            return ENTERPRISE_DB;
         } else if (rawUrl.startsWith("jdbc:hsqldb:") || rawUrl.startsWith("jdbc:log4jdbc:hsqldb:")) {
             return HSQL;
         } else if (rawUrl.startsWith("jdbc:odps:")) {

src/main/java/com/alibaba/druid/wall/WallFilter.java

@@ -144,7 +144,8 @@ public class WallFilter extends FilterAdapter implements WallFilterMBean {
             }
 
             provider = new SQLServerWallProvider(config);
-        } else if (JdbcUtils.POSTGRESQL.equals(dbType)) {
+        } else if (JdbcUtils.POSTGRESQL.equals(dbType)
+                || JdbcUtils.ENTERPRISE_DB.equals(dbType)) {
             if (config == null) {
                 config = new WallConfig(PGWallProvider.DEFAULT_CONFIG_DIR);
             }

src/test/java/com/alibaba/druid/bvt/sql/odps/OdpsDescTest.java

@@ -17,6 +17,7 @@ public class OdpsDescTest extends TestCase {
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
         String output = SQLUtils.toOdpsString(stmt);
+        stmt.toString();
         System.out.println(output);
         Assert.assertEquals("DESC coupon_dataset_4_feature", output);
     }