sql parser support TimeStamp Literal.

src/main/java/com/alibaba/druid/sql/ast/expr/SQLTimestampExpr.java

@@ -35,6 +35,11 @@ public class SQLTimestampExpr extends SQLExprImpl implements SQLValuableExpr {
         
     }
 
+    public SQLTimestampExpr(String literal){
+        this.literal = literal;
+    }
+
+
     public SQLTimestampExpr clone() {
         SQLTimestampExpr x = new SQLTimestampExpr();
         x.literal = literal;

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

@@ -323,6 +323,12 @@ public class SQLExprParser extends SQLParser {
                     SQLDateExpr dateExpr = new SQLDateExpr();
                     dateExpr.setLiteral(literal);
                     sqlExpr = dateExpr;
+                } else if (hash_lower == FnvHash.Constants.TIMESTAMP
+                        && (lexer.token == Token.LITERAL_CHARS || lexer.token == Token.VARIANT)
+                        && !JdbcConstants.ORACLE.equals(dbType)) {
+                    SQLTimestampExpr dateExpr = new SQLTimestampExpr(lexer.stringVal());
+                    lexer.nextToken();
+                    sqlExpr = dateExpr;
                 } else if (JdbcConstants.MYSQL.equalsIgnoreCase(dbType) && ident.startsWith("0x") && (ident.length() % 2) == 0) {
                     sqlExpr = new SQLHexExpr(ident.substring(2));
                 } else {

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

@@ -97,6 +97,9 @@ public final class ExportParameterVisitorUtils {
         } else if (param instanceof SQLHexExpr) {
             value = ((SQLHexExpr) param).toBytes();
             replace = true;
+        } else if (param instanceof SQLTimestampExpr || param instanceof SQLDateExpr) {
+            value = ((SQLTimestampExpr) param).getValue();
+            replace = true;
         } else if (param instanceof SQLListExpr) {
             SQLListExpr list = ((SQLListExpr) param);
 

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

@@ -17,6 +17,7 @@ package com.alibaba.druid.sql.visitor;
 
 import java.util.List;
 
+import com.alibaba.druid.sql.SQLUtils;
 import com.alibaba.druid.sql.ast.*;
 import com.alibaba.druid.sql.ast.statement.*;
 import com.alibaba.druid.sql.dialect.db2.visitor.DB2OutputVisitor;
@@ -287,4 +288,18 @@ public class ParameterizedOutputVisitorUtils {
 
         return new SQLASTOutputVisitor(out, true);
     }
+
+    public static String restore(String sql, String dbType, List<Object> parameters) {
+        List<SQLStatement> stmtList = SQLUtils.parseStatements(sql, dbType);
+
+        StringBuilder out = new StringBuilder();
+        SQLASTOutputVisitor visitor = SQLUtils.createOutputVisitor(out, dbType);
+        visitor.setInputParameters(parameters);
+
+        for (SQLStatement stmt : stmtList) {
+            stmt.accept(visitor);
+        }
+
+        return out.toString();
+    }
 }

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

@@ -4278,6 +4278,16 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
 
     @Override
     public boolean visit(SQLTimestampExpr x) {
+        if (this.parameterized) {
+            print('?');
+            incrementReplaceCunt();
+
+            if(this.parameters != null){
+                ExportParameterVisitorUtils.exportParameter(this.parameters, x);
+            }
+            return false;
+        }
+
         print0(ucase ? "TIMESTAMP " : "timestamp ");
 
         if (x.isWithTimeZone()) {
@@ -5537,6 +5547,16 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Paramet
     }
 
     public boolean visit(SQLDateExpr x) {
+        if (this.parameterized) {
+            print('?');
+            incrementReplaceCunt();
+
+            if(this.parameters != null){
+                ExportParameterVisitorUtils.exportParameter(this.parameters, x);
+            }
+            return false;
+        }
+
         SQLExpr literal = x.getLiteral();
         print0(ucase ? "DATE " : "date ");
         printExpr(literal);

src/test/java/com/alibaba/druid/bvt/sql/mysql/insert/MySqlInsertTest_25_time.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 1999-2017 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql.insert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.ast.statement.MySqlInsertStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.visitor.ParameterizedOutputVisitorUtils;
+import com.alibaba.druid.util.JdbcConstants;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MySqlInsertTest_25_time extends MysqlTest {
+
+    public void test_insert() throws Exception {
+        String sql = "INSERT INTO DB1.TB2 (col1, col2, col3) VALUES(1, Timestamp '2019-01-01:12:12:21', '3')";
+
+        {
+            List<Object> outParameters = new ArrayList<Object>();
+            String psql = ParameterizedOutputVisitorUtils.parameterize(sql, JdbcConstants.MYSQL, outParameters);
+            assertEquals("INSERT INTO DB1.TB2(col1, col2, col3)\n" +
+                    "VALUES (?, ?, ?)", psql);
+
+            assertEquals(3, outParameters.size());
+
+            String rsql = ParameterizedOutputVisitorUtils.restore(psql, JdbcConstants.MYSQL, outParameters);
+            assertEquals("INSERT INTO DB1.TB2 (col1, col2, col3)\n" +
+                    "VALUES (1, '2019-01-01:12:12:21', '3')", rsql);
+        }
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLStatement stmt = statementList.get(0);
+
+        MySqlInsertStatement insertStmt = (MySqlInsertStatement) stmt;
+
+        assertEquals("INSERT INTO DB1.TB2 (col1, col2, col3)\n" +
+                "VALUES (1, TIMESTAMP '2019-01-01:12:12:21', '3')", SQLUtils.toMySqlString(insertStmt));
+
+
+    }
+
+}