Merge from master

src/client/src/tscProfile.c

@@ -54,14 +54,14 @@ void tscAddIntoSqlList(SSqlObj *pSql) {
   pSql->next = pObj->sqlList;
   if (pObj->sqlList) pObj->sqlList->prev = pSql;
   pObj->sqlList = pSql;
-  pSql->queryId = queryId++;
+  pSql->queryId = atomic_fetch_add_32(&queryId, 1);
 
   pthread_mutex_unlock(&pObj->mutex);
 
   pSql->stime = taosGetTimestampMs();
   pSql->listed = 1;
 
-  tscDebug("0x%"PRIx64" added into sqlList", pSql->self);
+  tscDebug("0x%"PRIx64" added into sqlList, queryId:%u", pSql->self, pSql->queryId);
 }
 
 void tscSaveSlowQueryFpCb(void *param, TAOS_RES *result, int code) {

src/client/src/tscUtil.c

@@ -2859,16 +2859,21 @@ void tscDoQuery(SSqlObj* pSql) {
     return;
   }
   
-  if (pCmd->command == TSDB_SQL_SELECT) {
-    tscAddIntoSqlList(pSql);
-  }
-
   if (pCmd->dataSourceType == DATA_FROM_DATA_FILE) {
     tscImportDataFromFile(pSql);
   } else {
     SQueryInfo *pQueryInfo = tscGetQueryInfo(pCmd, pCmd->clauseIndex);
     uint16_t type = pQueryInfo->type;
 
+    if ((pCmd->command == TSDB_SQL_SELECT) && (!TSDB_QUERY_HAS_TYPE(type, TSDB_QUERY_TYPE_SUBQUERY)) && (!TSDB_QUERY_HAS_TYPE(type, TSDB_QUERY_TYPE_STABLE_SUBQUERY))) {
+      tscAddIntoSqlList(pSql);
+    }
+  
+    if (TSDB_QUERY_HAS_TYPE(type, TSDB_QUERY_TYPE_INSERT)) {  // multi-vnodes insertion
+      tscHandleMultivnodeInsert(pSql);
+      return;
+    }
+
     if (QUERY_IS_JOIN_QUERY(type)) {
       if (!TSDB_QUERY_HAS_TYPE(type, TSDB_QUERY_TYPE_SUBQUERY)) {
         tscHandleMasterJoinQuery(pSql);

src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBConstants.java

@@ -30,6 +30,7 @@ public abstract class TSDBConstants {
     public static final int JNI_FETCH_END = -6;
     public static final int JNI_OUT_OF_MEMORY = -7;
     // TSDB Data Types
+    public static final int TSDB_DATA_TYPE_NULL = 0;
     public static final int TSDB_DATA_TYPE_BOOL = 1;
     public static final int TSDB_DATA_TYPE_TINYINT = 2;
     public static final int TSDB_DATA_TYPE_SMALLINT = 3;

src/connector/jdbc/src/main/java/com/taosdata/jdbc/rs/RestfulResultSet.java

@@ -6,11 +6,13 @@ import com.google.common.primitives.Ints;
 import com.google.common.primitives.Longs;
 import com.google.common.primitives.Shorts;
 import com.taosdata.jdbc.*;
+import com.taosdata.jdbc.utils.Utils;
 
 import java.math.BigDecimal;
 import java.sql.*;
 import java.time.Instant;
 import java.time.ZoneOffset;
+import java.time.format.DateTimeParseException;
 import java.util.ArrayList;
 import java.util.Calendar;
 
@@ -18,14 +20,13 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
     private volatile boolean isClosed;
     private int pos = -1;
 
-
     private final String database;
     private final Statement statement;
     // data
-    private final ArrayList<ArrayList<Object>> resultSet;
+    private final ArrayList<ArrayList<Object>> resultSet = new ArrayList<>();
     // meta
-    private ArrayList<String> columnNames;
-    private ArrayList<Field> columns;
+    private ArrayList<String> columnNames = new ArrayList<>();
+    private ArrayList<Field> columns = new ArrayList<>();
     private RestfulResultSetMetaData metaData;
 
     /**
@@ -37,10 +38,46 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
         this.database = database;
         this.statement = statement;
 
-        // column metadata
+        // get column metadata
         JSONArray columnMeta = resultJson.getJSONArray("column_meta");
-        columnNames = new ArrayList<>();
-        columns = new ArrayList<>();
+        // get row data
+        JSONArray data = resultJson.getJSONArray("data");
+        if (data == null || data.isEmpty()) {
+            columnNames.clear();
+            columns.clear();
+            this.resultSet.clear();
+            return;
+        }
+        // get head
+        JSONArray head = resultJson.getJSONArray("head");
+        // get rows
+        Integer rows = resultJson.getInteger("rows");
+        // parse column_meta
+        if (columnMeta != null) {
+            parseColumnMeta_new(columnMeta);
+        } else {
+            parseColumnMeta_old(head, data, rows);
+        }
+        this.metaData = new RestfulResultSetMetaData(this.database, columns, this);
+        // parse row data
+        resultSet.clear();
+        for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
+            ArrayList row = new ArrayList();
+            JSONArray jsonRow = data.getJSONArray(rowIndex);
+            for (int colIndex = 0; colIndex < this.metaData.getColumnCount(); colIndex++) {
+                row.add(parseColumnData(jsonRow, colIndex, columns.get(colIndex).taos_type));
+            }
+            resultSet.add(row);
+        }
+    }
+
+    /***
+     * use this method after TDengine-2.0.18.0 to parse column meta, restful add column_meta in resultSet
+     * @Param columnMeta
+     */
+    private void parseColumnMeta_new(JSONArray columnMeta) throws SQLException {
+        columnNames.clear();
+        columns.clear();
         for (int colIndex = 0; colIndex < columnMeta.size(); colIndex++) {
             JSONArray col = columnMeta.getJSONArray(colIndex);
             String col_name = col.getString(0);
@@ -50,23 +87,55 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             columnNames.add(col_name);
             columns.add(new Field(col_name, col_type, col_length, "", taos_type));
         }
-        this.metaData = new RestfulResultSetMetaData(this.database, columns, this);
+    }
 
-        // row data
-        JSONArray data = resultJson.getJSONArray("data");
-        resultSet = new ArrayList<>();
-        for (int rowIndex = 0; rowIndex < data.size(); rowIndex++) {
-            ArrayList row = new ArrayList();
-            JSONArray jsonRow = data.getJSONArray(rowIndex);
-            for (int colIndex = 0; colIndex < jsonRow.size(); colIndex++) {
-                row.add(parseColumnData(jsonRow, colIndex, columns.get(colIndex).taos_type));
+    /**
+     * use this method before TDengine-2.0.18.0 to parse column meta
+     */
+    private void parseColumnMeta_old(JSONArray head, JSONArray data, int rows) {
+        columnNames.clear();
+        columns.clear();
+        for (int colIndex = 0; colIndex < head.size(); colIndex++) {
+            String col_name = head.getString(colIndex);
+            columnNames.add(col_name);
+
+            int col_type = Types.NULL;
+            int col_length = 0;
+            int taos_type = TSDBConstants.TSDB_DATA_TYPE_NULL;
+
+            JSONArray row0Json = data.getJSONArray(0);
+            if (colIndex < row0Json.size()) {
+                Object value = row0Json.get(colIndex);
+                if (value instanceof Boolean) {
+                    col_type = Types.BOOLEAN;
+                    col_length = 1;
+                    taos_type = TSDBConstants.TSDB_DATA_TYPE_BOOL;
+                }
+                if (value instanceof Byte || value instanceof Short || value instanceof Integer || value instanceof Long) {
+                    col_type = Types.BIGINT;
+                    col_length = 8;
+                    taos_type = TSDBConstants.TSDB_DATA_TYPE_BIGINT;
+                }
+                if (value instanceof Float || value instanceof Double || value instanceof BigDecimal) {
+                    col_type = Types.DOUBLE;
+                    col_length = 8;
+                    taos_type = TSDBConstants.TSDB_DATA_TYPE_DOUBLE;
+                }
+                if (value instanceof String) {
+                    col_type = Types.NCHAR;
+                    col_length = ((String) value).length();
+                    taos_type = TSDBConstants.TSDB_DATA_TYPE_NCHAR;
+                }
             }
-            resultSet.add(row);
+            columns.add(new Field(col_name, col_type, col_length, "", taos_type));
         }
     }
 
+
     private Object parseColumnData(JSONArray row, int colIndex, int taosType) throws SQLException {
         switch (taosType) {
+            case TSDBConstants.TSDB_DATA_TYPE_NULL:
+                return null;
             case TSDBConstants.TSDB_DATA_TYPE_BOOL:
                 return row.getBoolean(colIndex);
             case TSDBConstants.TSDB_DATA_TYPE_TINYINT:
@@ -290,8 +359,10 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return 0;
         }
         wasNull = false;
-        if (value instanceof Float || value instanceof Double)
+        if (value instanceof Float)
             return (float) value;
+        if (value instanceof Double)
+            return new Float((Double) value);
         return Float.parseFloat(value.toString());
     }
 
@@ -329,6 +400,9 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return Shorts.toByteArray((short) value);
         if (value instanceof Byte)
             return new byte[]{(byte) value};
+        if (value instanceof Timestamp) {
+            return Utils.formatTimestamp((Timestamp) value).getBytes();
+        }
 
         return value.toString().getBytes();
     }
@@ -342,7 +416,9 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return null;
         if (value instanceof Timestamp)
             return new Date(((Timestamp) value).getTime());
-        return Date.valueOf(value.toString());
+        Date date = null;
+        date = Utils.parseDate(value.toString());
+        return date;
     }
 
     @Override
@@ -354,7 +430,13 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return null;
         if (value instanceof Timestamp)
             return new Time(((Timestamp) value).getTime());
-        return Time.valueOf(value.toString());
+        Time time = null;
+        try {
+            time = Utils.parseTime(value.toString());
+        } catch (DateTimeParseException e) {
+            time = null;
+        }
+        return time;
     }
 
     @Override
@@ -366,14 +448,20 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return null;
         if (value instanceof Timestamp)
             return (Timestamp) value;
-//        if (value instanceof Long) {
-//            if (1_0000_0000_0000_0L > (long) value)
-//                return Timestamp.from(Instant.ofEpochMilli((long) value));
-//            long epochSec = (long) value / 1000_000L;
-//            long nanoAdjustment = (long) ((long) value % 1000_000L * 1000);
-//            return Timestamp.from(Instant.ofEpochSecond(epochSec, nanoAdjustment));
-//        }
-        return Timestamp.valueOf(value.toString());
+        if (value instanceof Long) {
+            if (1_0000_0000_0000_0L > (long) value)
+                return Timestamp.from(Instant.ofEpochMilli((long) value));
+            long epochSec = (long) value / 1000_000L;
+            long nanoAdjustment = (long) value % 1000_000L * 1000;
+            return Timestamp.from(Instant.ofEpochSecond(epochSec, nanoAdjustment));
+        }
+        Timestamp ret;
+        try {
+            ret = Utils.parseTimestamp(value.toString());
+        } catch (Exception e) {
+            ret = null;
+        }
+        return ret;
     }
 
     @Override
@@ -415,7 +503,13 @@ public class RestfulResultSet extends AbstractResultSet implements ResultSet {
             return new BigDecimal(Double.valueOf(value.toString()));
         if (value instanceof Timestamp)
             return new BigDecimal(((Timestamp) value).getTime());
-        return new BigDecimal(value.toString());
+        BigDecimal ret;
+        try {
+            ret = new BigDecimal(value.toString());
+        } catch (Exception e) {
+            ret = null;
+        }
+        return ret;
     }
 
     @Override

src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/UtcTimestampUtil.java

-package com.taosdata.jdbc.utils;
-
-import java.time.format.DateTimeFormatter;
-import java.time.format.DateTimeFormatterBuilder;
-
-public class UtcTimestampUtil {
-    public static final DateTimeFormatter formatter = new DateTimeFormatterBuilder()
-            .appendPattern("yyyy-MM-ddTHH:mm:ss.SSS+")
-//            .appendFraction(ChronoField.NANO_OF_SECOND, 0, 9, true)
-            .toFormatter();
-
-}

src/connector/jdbc/src/main/java/com/taosdata/jdbc/utils/Utils.java

@@ -5,7 +5,15 @@ import com.google.common.collect.RangeSet;
 import com.google.common.collect.TreeRangeSet;
 
 import java.nio.charset.Charset;
+import java.sql.Date;
+import java.sql.Time;
 import java.sql.Timestamp;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeFormatterBuilder;
+import java.time.format.DateTimeParseException;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Matcher;
@@ -17,6 +25,41 @@ public class Utils {
 
     private static Pattern ptn = Pattern.compile(".*?'");
 
+    private static final DateTimeFormatter formatter = new DateTimeFormatterBuilder()
+            .appendPattern("yyyy-MM-dd HH:mm:ss.SSS").toFormatter();
+    private static final DateTimeFormatter formatter2 = new DateTimeFormatterBuilder()
+            .appendPattern("yyyy-MM-dd HH:mm:ss.SSSSSS").toFormatter();
+
+    public static Time parseTime(String timestampStr) throws DateTimeParseException {
+        LocalTime time;
+        try {
+            time = LocalTime.parse(timestampStr, formatter);
+        } catch (DateTimeParseException e) {
+            time = LocalTime.parse(timestampStr, formatter2);
+        }
+        return Time.valueOf(time);
+    }
+
+    public static Date parseDate(String timestampStr) throws DateTimeParseException {
+        LocalDate date;
+        try {
+            date = LocalDate.parse(timestampStr, formatter);
+        } catch (DateTimeParseException e) {
+            date = LocalDate.parse(timestampStr, formatter2);
+        }
+        return Date.valueOf(date);
+    }
+
+    public static Timestamp parseTimestamp(String timeStampStr) {
+        LocalDateTime dateTime;
+        try {
+            dateTime = LocalDateTime.parse(timeStampStr, formatter);
+        } catch (DateTimeParseException e) {
+            dateTime = LocalDateTime.parse(timeStampStr, formatter2);
+        }
+        return Timestamp.valueOf(dateTime);
+    }
+
     public static String escapeSingleQuota(String origin) {
         Matcher m = ptn.matcher(origin);
         StringBuffer sb = new StringBuffer();
@@ -133,4 +176,13 @@ public class Utils {
         }).collect(Collectors.joining());
     }
 
+
+    public static String formatTimestamp(Timestamp timestamp) {
+        int nanos = timestamp.getNanos();
+        if (nanos % 1000000l != 0)
+            return timestamp.toLocalDateTime().format(formatter2);
+        return timestamp.toLocalDateTime().format(formatter);
+    }
+
+
 }

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/InsertSpecialCharacterRestfulTest.java

@@ -7,7 +7,6 @@ import java.sql.*;
 public class InsertSpecialCharacterRestfulTest {
 
     private static final String host = "127.0.0.1";
-    //    private static final String host = "master";
     private static Connection conn;
     private static String dbName = "spec_char_test";
     private static String tbname1 = "test";

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/TD4174Test.java

+package com.taosdata.jdbc.cases;
+
+import com.alibaba.fastjson.JSONObject;
+import com.taosdata.jdbc.TSDBDriver;
+import org.junit.*;
+
+import java.sql.*;
+import java.util.Properties;
+
+public class TD4174Test {
+    private Connection conn;
+    private static final String host = "127.0.0.1";
+
+    @Test
+    public void test() {
+        long ts = System.currentTimeMillis();
+        try (PreparedStatement pstmt = conn.prepareStatement("insert into weather values(" + ts + ", ?)")) {
+            JSONObject value = new JSONObject();
+            value.put("name", "John Smith");
+            value.put("age", 20);
+            Assert.assertEquals("{\"name\":\"John Smith\",\"age\":20}",value.toJSONString());
+            pstmt.setString(1, value.toJSONString());
+
+            int ret = pstmt.executeUpdate();
+            Assert.assertEquals(1, ret);
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static void main(String[] args) {
+        JSONObject value = new JSONObject();
+        value.put("name", "John Smith");
+        value.put("age", 20);
+        System.out.println(value.toJSONString());
+    }
+
+    @Before
+    public void before() throws SQLException {
+        String url = "jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata";
+        Properties properties = new Properties();
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+
+        conn = DriverManager.getConnection(url, properties);
+        try (Statement stmt = conn.createStatement()) {
+            stmt.execute("drop database if exists td4174");
+            stmt.execute("create database if not exists td4174");
+            stmt.execute("use td4174");
+            stmt.execute("create table weather(ts timestamp, text binary(64))");
+        }
+    }
+
+    @After
+    public void after() throws SQLException {
+        if (conn != null)
+            conn.close();
+
+    }
+
+}

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/TwoTypeTimestampPercisionInRestfulTest.java

@@ -13,6 +13,7 @@ import java.util.Properties;
 public class TwoTypeTimestampPercisionInRestfulTest {
 
     private static final String host = "127.0.0.1";
+
     private static final String ms_timestamp_db = "ms_precision_test";
     private static final String us_timestamp_db = "us_precision_test";
     private static final long timestamp1 = System.currentTimeMillis();
@@ -94,7 +95,8 @@ public class TwoTypeTimestampPercisionInRestfulTest {
         try (Statement stmt = conn3.createStatement()) {
             ResultSet rs = stmt.executeQuery("select last_row(ts) from " + ms_timestamp_db + ".weather");
             rs.next();
-            long ts = rs.getTimestamp(1).getTime();
+            Timestamp actual = rs.getTimestamp(1);
+            long ts = actual == null ? 0 : actual.getTime();
             Assert.assertEquals(timestamp1, ts);
             ts = rs.getLong(1);
             Assert.assertEquals(timestamp1, ts);
@@ -110,7 +112,7 @@ public class TwoTypeTimestampPercisionInRestfulTest {
             rs.next();
 
             Timestamp timestamp = rs.getTimestamp(1);
-            long ts = timestamp.getTime();
+            long ts = timestamp == null ? 0 : timestamp.getTime();
             Assert.assertEquals(timestamp1, ts);
             int nanos = timestamp.getNanos();
             Assert.assertEquals(timestamp2 % 1000_000l * 1000, nanos);

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/UnsignedNumberJniTest.java

@@ -9,19 +9,19 @@ import java.util.Properties;
 
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class UnsignedNumberJniTest {
+
     private static final String host = "127.0.0.1";
     private static Connection conn;
+    private static long ts;
 
     @Test
     public void testCase001() {
         try (Statement stmt = conn.createStatement()) {
             ResultSet rs = stmt.executeQuery("select * from us_table");
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
             while (rs.next()) {
-                for (int i = 1; i <= meta.getColumnCount(); i++) {
-                    System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
-                }
-                System.out.println();
+                Assert.assertEquals(ts, rs.getTimestamp(1).getTime());
                 Assert.assertEquals("127", rs.getString(2));
                 Assert.assertEquals("32767", rs.getString(3));
                 Assert.assertEquals("2147483647", rs.getString(4));
@@ -37,13 +37,10 @@ public class UnsignedNumberJniTest {
         try (Statement stmt = conn.createStatement()) {
             ResultSet rs = stmt.executeQuery("select * from us_table");
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
+
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(ts, rs.getTimestamp(1).getTime());
                 Assert.assertEquals(127, rs.getByte(2));
                 Assert.assertEquals(32767, rs.getShort(3));
                 Assert.assertEquals(2147483647, rs.getInt(4));
@@ -61,16 +58,14 @@ public class UnsignedNumberJniTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 32767,2147483647, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
                 Assert.assertEquals(127, rs.getByte(2));
                 Assert.assertEquals(32767, rs.getShort(3));
                 Assert.assertEquals(2147483647, rs.getInt(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getLong(5);
             }
         }
     }
@@ -82,15 +77,15 @@ public class UnsignedNumberJniTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 32767,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
+
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
                 Assert.assertEquals(127, rs.getByte(2));
                 Assert.assertEquals(32767, rs.getShort(3));
+                Assert.assertEquals("4294967294", rs.getString(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getInt(4);
             }
         }
     }
@@ -102,15 +97,15 @@ public class UnsignedNumberJniTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 65534,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
-            while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+            assertResultSetMetaData(meta);
 
+            while (rs.next()) {
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
                 Assert.assertEquals(127, rs.getByte(2));
+                Assert.assertEquals("65534", rs.getString(3));
+                Assert.assertEquals("4294967294", rs.getString(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getShort(3);
             }
         }
     }
@@ -122,37 +117,27 @@ public class UnsignedNumberJniTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 254, 65534,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
-            while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
-            }
-        }
-    }
+            assertResultSetMetaData(meta);
 
-    @Test
-    public void testCase007() throws SQLException {
-        try (Statement stmt = conn.createStatement()) {
-            long now = System.currentTimeMillis();
-            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 254, 65534,4294967294, 18446744073709551614)");
-            ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
-            ResultSetMetaData meta = rs.getMetaData();
             while (rs.next()) {
-                for (int i = 1; i <= meta.getColumnCount(); i++) {
-                    System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
-                }
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
                 Assert.assertEquals("254", rs.getString(2));
                 Assert.assertEquals("65534", rs.getString(3));
                 Assert.assertEquals("4294967294", rs.getString(4));
                 Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getByte(2);
             }
         }
     }
 
+    private void assertResultSetMetaData(ResultSetMetaData meta) throws SQLException {
+        Assert.assertEquals(5, meta.getColumnCount());
+        Assert.assertEquals("ts", meta.getColumnLabel(1));
+        Assert.assertEquals("f1", meta.getColumnLabel(2));
+        Assert.assertEquals("f2", meta.getColumnLabel(3));
+        Assert.assertEquals("f3", meta.getColumnLabel(4));
+        Assert.assertEquals("f4", meta.getColumnLabel(5));
+    }
 
     @BeforeClass
     public static void beforeClass() {
@@ -160,20 +145,19 @@ public class UnsignedNumberJniTest {
         properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
         properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
         properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+        ts = System.currentTimeMillis();
 
         try {
-            Class.forName("com.taosdata.jdbc.TSDBDriver");
             final String url = "jdbc:TAOS://" + host + ":6030/?user=root&password=taosdata";
             conn = DriverManager.getConnection(url, properties);
-
             Statement stmt = conn.createStatement();
             stmt.execute("drop database if exists unsign_jni");
             stmt.execute("create database if not exists unsign_jni");
             stmt.execute("use unsign_jni");
             stmt.execute("create table us_table(ts timestamp, f1 tinyint unsigned, f2 smallint unsigned, f3 int unsigned, f4 bigint unsigned)");
-            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(now, 127, 32767,2147483647, 9223372036854775807)");
+            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + ts + ", 127, 32767,2147483647, 9223372036854775807)");
             stmt.close();
-        } catch (ClassNotFoundException | SQLException e) {
+        } catch (SQLException e) {
             e.printStackTrace();
         }
     }

src/connector/jdbc/src/test/java/com/taosdata/jdbc/cases/UnsignedNumberRestfulTest.java

@@ -13,17 +13,20 @@ public class UnsignedNumberRestfulTest {
 
     private static final String host = "127.0.0.1";
     private static Connection conn;
+    private static long ts;
 
     @Test
     public void testCase001() {
         try (Statement stmt = conn.createStatement()) {
             ResultSet rs = stmt.executeQuery("select * from us_table");
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
             while (rs.next()) {
-                for (int i = 1; i <= meta.getColumnCount(); i++) {
-                    System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
-                }
-                System.out.println();
+                Assert.assertEquals(ts, rs.getTimestamp(1).getTime());
+                Assert.assertEquals("127", rs.getString(2));
+                Assert.assertEquals("32767", rs.getString(3));
+                Assert.assertEquals("2147483647", rs.getString(4));
+                Assert.assertEquals("9223372036854775807", rs.getString(5));
             }
         } catch (SQLException e) {
             e.printStackTrace();
@@ -35,13 +38,14 @@ public class UnsignedNumberRestfulTest {
         try (Statement stmt = conn.createStatement()) {
             ResultSet rs = stmt.executeQuery("select * from us_table");
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
+
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(ts, rs.getTimestamp(1).getTime());
+                Assert.assertEquals(127, rs.getByte(2));
+                Assert.assertEquals(32767, rs.getShort(3));
+                Assert.assertEquals(2147483647, rs.getInt(4));
+                Assert.assertEquals(9223372036854775807l, rs.getLong(5));
             }
         } catch (SQLException e) {
             e.printStackTrace();
@@ -55,13 +59,14 @@ public class UnsignedNumberRestfulTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 32767,2147483647, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
+                Assert.assertEquals(127, rs.getByte(2));
+                Assert.assertEquals(32767, rs.getShort(3));
+                Assert.assertEquals(2147483647, rs.getInt(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getLong(5);
             }
         }
     }
@@ -73,13 +78,15 @@ public class UnsignedNumberRestfulTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 32767,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
+
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
+                Assert.assertEquals(127, rs.getByte(2));
+                Assert.assertEquals(32767, rs.getShort(3));
+                Assert.assertEquals("4294967294", rs.getString(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getInt(4);
             }
         }
     }
@@ -91,13 +98,15 @@ public class UnsignedNumberRestfulTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 127, 65534,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
+            assertResultSetMetaData(meta);
+
             while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
+                Assert.assertEquals(127, rs.getByte(2));
+                Assert.assertEquals("65534", rs.getString(3));
+                Assert.assertEquals("4294967294", rs.getString(4));
+                Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getShort(3);
             }
         }
     }
@@ -109,57 +118,47 @@ public class UnsignedNumberRestfulTest {
             stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 254, 65534,4294967294, 18446744073709551614)");
             ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
             ResultSetMetaData meta = rs.getMetaData();
-            while (rs.next()) {
-                System.out.print(meta.getColumnLabel(1) + ": " + rs.getTimestamp(1) + "\t");
-                System.out.print(meta.getColumnLabel(2) + ": " + rs.getByte(2) + "\t");
-                System.out.print(meta.getColumnLabel(3) + ": " + rs.getShort(3) + "\t");
-                System.out.print(meta.getColumnLabel(4) + ": " + rs.getInt(4) + "\t");
-                System.out.print(meta.getColumnLabel(5) + ": " + rs.getLong(5) + "\t");
-                System.out.println();
-            }
-        }
-    }
+            assertResultSetMetaData(meta);
 
-    @Test
-    public void testCase007() throws SQLException {
-        try (Statement stmt = conn.createStatement()) {
-            long now = System.currentTimeMillis();
-            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + now + ", 254, 65534,4294967294, 18446744073709551614)");
-            ResultSet rs = stmt.executeQuery("select * from us_table where ts = " + now);
-            ResultSetMetaData meta = rs.getMetaData();
             while (rs.next()) {
-                for (int i = 1; i <= meta.getColumnCount(); i++) {
-                    System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
-                }
-                System.out.println();
+                Assert.assertEquals(now, rs.getTimestamp(1).getTime());
                 Assert.assertEquals("254", rs.getString(2));
                 Assert.assertEquals("65534", rs.getString(3));
                 Assert.assertEquals("4294967294", rs.getString(4));
                 Assert.assertEquals("18446744073709551614", rs.getString(5));
+                rs.getByte(2);
             }
         }
     }
 
+    private void assertResultSetMetaData(ResultSetMetaData meta) throws SQLException {
+        Assert.assertEquals(5, meta.getColumnCount());
+        Assert.assertEquals("ts", meta.getColumnLabel(1));
+        Assert.assertEquals("f1", meta.getColumnLabel(2));
+        Assert.assertEquals("f2", meta.getColumnLabel(3));
+        Assert.assertEquals("f3", meta.getColumnLabel(4));
+        Assert.assertEquals("f4", meta.getColumnLabel(5));
+    }
+
     @BeforeClass
     public static void beforeClass() {
         Properties properties = new Properties();
         properties.setProperty(TSDBDriver.PROPERTY_KEY_CHARSET, "UTF-8");
         properties.setProperty(TSDBDriver.PROPERTY_KEY_LOCALE, "en_US.UTF-8");
         properties.setProperty(TSDBDriver.PROPERTY_KEY_TIME_ZONE, "UTC-8");
+        ts = System.currentTimeMillis();
 
         try {
-            Class.forName("com.taosdata.jdbc.rs.RestfulDriver");
             final String url = "jdbc:TAOS-RS://" + host + ":6041/?user=root&password=taosdata";
             conn = DriverManager.getConnection(url, properties);
-
             Statement stmt = conn.createStatement();
             stmt.execute("drop database if exists unsign_restful");
             stmt.execute("create database if not exists unsign_restful");
             stmt.execute("use unsign_restful");
             stmt.execute("create table us_table(ts timestamp, f1 tinyint unsigned, f2 smallint unsigned, f3 int unsigned, f4 bigint unsigned)");
-            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(now, 127, 32767,2147483647, 9223372036854775807)");
+            stmt.executeUpdate("insert into us_table(ts,f1,f2,f3,f4) values(" + ts + ", 127, 32767,2147483647, 9223372036854775807)");
             stmt.close();
-        } catch (ClassNotFoundException | SQLException e) {
+        } catch (SQLException e) {
             e.printStackTrace();
         }
     }

src/connector/jdbc/src/test/java/com/taosdata/jdbc/rs/RestfulPreparedStatementTest.java

@@ -10,7 +10,6 @@ import java.sql.*;
 
 public class RestfulPreparedStatementTest {
     private static final String host = "127.0.0.1";
-    //    private static final String host = "master";
     private static Connection conn;
     private static final String sql_insert = "insert into t1 values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?)";
     private static PreparedStatement pstmt_insert;
@@ -371,7 +370,6 @@ public class RestfulPreparedStatementTest {
         pstmt_insert.setSQLXML(1, null);
     }
 
-
     @BeforeClass
     public static void beforeClass() {
         try {

src/connector/jdbc/src/test/java/com/taosdata/jdbc/rs/RestfulResultSetTest.java

@@ -18,7 +18,6 @@ import java.text.SimpleDateFormat;
 public class RestfulResultSetTest {
 
     private static final String host = "127.0.0.1";
-
     private static Connection conn;
     private static Statement stmt;
     private static ResultSet rs;
@@ -95,7 +94,8 @@ public class RestfulResultSetTest {
     @Test
     public void getBigDecimal() throws SQLException {
         BigDecimal f1 = rs.getBigDecimal("f1");
-        Assert.assertEquals(1609430400000l, f1.longValue());
+        long actual = (f1 == null) ? 0 : f1.longValue();
+        Assert.assertEquals(1609430400000l, actual);
 
         BigDecimal f2 = rs.getBigDecimal("f2");
         Assert.assertEquals(1, f2.intValue());
@@ -119,7 +119,7 @@ public class RestfulResultSetTest {
     @Test
     public void getBytes() throws SQLException {
         byte[] f1 = rs.getBytes("f1");
-        Assert.assertEquals("2021-01-01 00:00:00.0", new String(f1));
+        Assert.assertEquals("2021-01-01 00:00:00.000", new String(f1));
 
         byte[] f2 = rs.getBytes("f2");
         Assert.assertEquals(1, Ints.fromByteArray(f2));

src/kit/taosdemo/taosdemo.c

@@ -212,8 +212,8 @@ typedef struct SArguments_S {
   uint64_t interlace_rows;
   uint64_t num_of_RPR;                  // num_of_records_per_req
   uint64_t max_sql_len;
-  uint64_t num_of_tables;
-  uint64_t num_of_DPT;
+  int64_t  num_of_tables;
+  int64_t  num_of_DPT;
   int      abort;
   int      disorderRatio;               // 0: no disorder, >0: x%
   int      disorderRange;               // ms or us by database precision
@@ -240,7 +240,7 @@ typedef struct SSuperTable_S {
   char         dataSource[MAX_TB_NAME_SIZE+1];  // rand_gen or sample
   char         insertMode[MAX_TB_NAME_SIZE];    // taosc, rest
   int64_t      childTblLimit;
-  uint64_t      childTblOffset;
+  uint64_t     childTblOffset;
 
 //  int          multiThreadWriteOneTbl;  // 0: no, 1: yes
   uint64_t     interlaceRows;           //
@@ -249,7 +249,7 @@ typedef struct SSuperTable_S {
   uint64_t     maxSqlLen;               //
 
   uint64_t     insertInterval;          // insert interval, will override global insert interval
-  uint64_t     insertRows;
+  int64_t      insertRows;
   int64_t      timeStampStep;
   char         startTimestamp[MAX_TB_NAME_SIZE];
   char         sampleFormat[MAX_TB_NAME_SIZE];  // csv, json
@@ -258,7 +258,7 @@ typedef struct SSuperTable_S {
 
   uint32_t     columnCount;
   StrColumn    columns[MAX_COLUMN_COUNT];
-  uint32_t          tagCount;
+  uint32_t     tagCount;
   StrColumn    tags[MAX_TAG_COUNT];
 
   char*        childTblName;
@@ -283,7 +283,7 @@ typedef struct SSuperTable_S {
 typedef struct {
   char     name[TSDB_DB_NAME_LEN + 1];
   char     create_time[32];
-  int32_t  ntables;
+  int64_t  ntables;
   int32_t  vgroups;
   int16_t  replica;
   int16_t  quorum;
@@ -377,7 +377,7 @@ typedef struct SuperQueryInfo_S {
   int          subscribeRestart;
   int          subscribeKeepProgress;
   uint64_t     queryTimes;
-  uint64_t     childTblCount;
+  int64_t      childTblCount;
   char         childTblPrefix[MAX_TB_NAME_SIZE];
   uint64_t     sqlCount;
   char         sql[MAX_QUERY_SQL_COUNT][MAX_QUERY_SQL_LENGTH+1];
@@ -412,7 +412,7 @@ typedef struct SThreadInfo_S {
   char      tb_prefix[MAX_TB_NAME_SIZE];
   uint64_t  start_table_from;
   uint64_t  end_table_to;
-  uint64_t  ntables;
+  int64_t   ntables;
   uint64_t  data_of_rate;
   int64_t   start_time;
   char*     cols;
@@ -581,7 +581,7 @@ SArguments g_args = {
 
 
 static SDbs            g_Dbs;
-static int             g_totalChildTables = 0;
+static int64_t         g_totalChildTables = 0;
 static SQueryMetaInfo  g_queryInfo;
 static FILE *          g_fpOfInsertResult = NULL;
 
@@ -1015,9 +1015,9 @@ static void parse_args(int argc, char *argv[], SArguments *arguments) {
             arguments->max_sql_len);
     printf("# Length of Binary:                  %d\n", arguments->len_of_binary);
     printf("# Number of Threads:                 %d\n", arguments->num_of_threads);
-    printf("# Number of Tables:                  %"PRIu64"\n",
+    printf("# Number of Tables:                  %"PRId64"\n",
             arguments->num_of_tables);
-    printf("# Number of Data per Table:          %"PRIu64"\n",
+    printf("# Number of Data per Table:          %"PRId64"\n",
             arguments->num_of_DPT);
     printf("# Database name:                     %s\n", arguments->database);
     printf("# Table prefix:                      %s\n", arguments->tb_prefix);
@@ -1388,7 +1388,7 @@ static int printfInsertMeta() {
         printf("      childTblExists:    \033[33m%s\033[0m\n",  "error");
       }
 
-      printf("      childTblCount:     \033[33m%"PRIu64"\033[0m\n",
+      printf("      childTblCount:     \033[33m%"PRId64"\033[0m\n",
               g_Dbs.db[i].superTbls[j].childTblCount);
       printf("      childTblPrefix:    \033[33m%s\033[0m\n",
               g_Dbs.db[i].superTbls[j].childTblPrefix);
@@ -1404,7 +1404,7 @@ static int printfInsertMeta() {
         printf("      childTblOffset:    \033[33m%"PRIu64"\033[0m\n",
                 g_Dbs.db[i].superTbls[j].childTblOffset);
       }
-      printf("      insertRows:        \033[33m%"PRIu64"\033[0m\n",
+      printf("      insertRows:        \033[33m%"PRId64"\033[0m\n",
               g_Dbs.db[i].superTbls[j].insertRows);
 /*
       if (0 == g_Dbs.db[i].superTbls[j].multiThreadWriteOneTbl) {
@@ -1571,7 +1571,7 @@ static void printfInsertMetaToFile(FILE* fp) {
         fprintf(fp, "      childTblExists:    %s\n",  "error");
       }
 
-      fprintf(fp, "      childTblCount:     %"PRIu64"\n",
+      fprintf(fp, "      childTblCount:     %"PRId64"\n",
               g_Dbs.db[i].superTbls[j].childTblCount);
       fprintf(fp, "      childTblPrefix:    %s\n",
               g_Dbs.db[i].superTbls[j].childTblPrefix);
@@ -1579,7 +1579,7 @@ static void printfInsertMetaToFile(FILE* fp) {
               g_Dbs.db[i].superTbls[j].dataSource);
       fprintf(fp, "      insertMode:        %s\n",
               g_Dbs.db[i].superTbls[j].insertMode);
-      fprintf(fp, "      insertRows:        %"PRIu64"\n",
+      fprintf(fp, "      insertRows:        %"PRId64"\n",
               g_Dbs.db[i].superTbls[j].insertRows);
       fprintf(fp, "      interlace rows:    %"PRIu64"\n",
               g_Dbs.db[i].superTbls[j].interlaceRows);
@@ -1697,7 +1697,7 @@ static void printfQueryMeta() {
         g_queryInfo.superQueryInfo.queryInterval);
       printf("threadCnt:      \033[33m%d\033[0m\n",
         g_queryInfo.superQueryInfo.threadCnt);
-      printf("childTblCount:  \033[33m%"PRIu64"\033[0m\n",
+      printf("childTblCount:  \033[33m%"PRId64"\033[0m\n",
         g_queryInfo.superQueryInfo.childTblCount);
       printf("stable name:    \033[33m%s\033[0m\n",
         g_queryInfo.superQueryInfo.sTblName);
@@ -1879,7 +1879,7 @@ static int getDbFromServer(TAOS * taos, SDbInfo** dbInfos) {
     formatTimestamp(dbInfos[count]->create_time,
             *(int64_t*)row[TSDB_SHOW_DB_CREATED_TIME_INDEX],
             TSDB_TIME_PRECISION_MILLI);
-    dbInfos[count]->ntables = *((int32_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]);
+    dbInfos[count]->ntables = *((int64_t *)row[TSDB_SHOW_DB_NTABLES_INDEX]);
     dbInfos[count]->vgroups = *((int32_t *)row[TSDB_SHOW_DB_VGROUPS_INDEX]);
     dbInfos[count]->replica = *((int16_t *)row[TSDB_SHOW_DB_REPLICA_INDEX]);
     dbInfos[count]->quorum = *((int16_t *)row[TSDB_SHOW_DB_QUORUM_INDEX]);
@@ -1930,7 +1930,7 @@ static void printfDbInfoForQueryToFile(
   fprintf(fp, "================ database[%d] ================\n", index);
   fprintf(fp, "name: %s\n", dbInfos->name);
   fprintf(fp, "created_time: %s\n", dbInfos->create_time);
-  fprintf(fp, "ntables: %d\n", dbInfos->ntables);
+  fprintf(fp, "ntables: %"PRId64"\n", dbInfos->ntables);
   fprintf(fp, "vgroups: %d\n", dbInfos->vgroups);
   fprintf(fp, "replica: %d\n", dbInfos->replica);
   fprintf(fp, "quorum: %d\n", dbInfos->quorum);
@@ -2327,7 +2327,7 @@ static int calcRowLen(SSuperTable*  superTbls) {
 
 static int getChildNameOfSuperTableWithLimitAndOffset(TAOS * taos,
         char* dbName, char* sTblName, char** childTblNameOfSuperTbl,
-        uint64_t* childTblCountOfSuperTbl, int64_t limit, uint64_t offset) {
+        int64_t* childTblCountOfSuperTbl, int64_t limit, uint64_t offset) {
 
   char command[BUFFER_SIZE] = "\0";
   char limitBuf[100] = "\0";
@@ -2356,8 +2356,8 @@ static int getChildNameOfSuperTableWithLimitAndOffset(TAOS * taos,
     exit(-1);
   }
 
-  int childTblCount = (limit < 0)?10000:limit;
-  int count = 0;
+  int64_t childTblCount = (limit < 0)?10000:limit;
+  int64_t count = 0;
   if (childTblName == NULL) {
     childTblName = (char*)calloc(1, childTblCount * TSDB_TABLE_NAME_LEN);
     if (NULL ==  childTblName) {
@@ -2404,7 +2404,7 @@ static int getChildNameOfSuperTableWithLimitAndOffset(TAOS * taos,
 
 static int getAllChildNameOfSuperTable(TAOS * taos, char* dbName,
         char* sTblName, char** childTblNameOfSuperTbl,
-        uint64_t* childTblCountOfSuperTbl) {
+        int64_t* childTblCountOfSuperTbl) {
 
     return getChildNameOfSuperTableWithLimitAndOffset(taos, dbName, sTblName,
             childTblNameOfSuperTbl, childTblCountOfSuperTbl,
@@ -2884,7 +2884,7 @@ static void* createTable(void *sarg)
 }
 
 static int startMultiThreadCreateChildTable(
-        char* cols, int threads, uint64_t startFrom, uint64_t ntables,
+        char* cols, int threads, uint64_t startFrom, int64_t ntables,
         char* db_name, SSuperTable* superTblInfo) {
 
   pthread_t *pids = malloc(threads * sizeof(pthread_t));
@@ -2899,13 +2899,13 @@ static int startMultiThreadCreateChildTable(
     threads = 1;
   }
 
-  uint64_t a = ntables / threads;
+  int64_t a = ntables / threads;
   if (a < 1) {
     threads = ntables;
     a = 1;
   }
 
-  uint64_t b = 0;
+  int64_t b = 0;
   b = ntables % threads;
 
   for (int64_t i = 0; i < threads; i++) {
@@ -2969,10 +2969,10 @@ static void createChildTables() {
 
           verbosePrint("%s() LN%d: %s\n", __func__, __LINE__,
                   g_Dbs.db[i].superTbls[j].colsOfCreateChildTable);
-          int startFrom = 0;
+          uint64_t startFrom = 0;
           g_totalChildTables += g_Dbs.db[i].superTbls[j].childTblCount;
 
-          verbosePrint("%s() LN%d: create %d child tables from %d\n",
+          verbosePrint("%s() LN%d: create %"PRId64" child tables from %"PRIu64"\n",
                   __func__, __LINE__, g_totalChildTables, startFrom);
           startMultiThreadCreateChildTable(
                 g_Dbs.db[i].superTbls[j].colsOfCreateChildTable,
@@ -3000,7 +3000,7 @@ static void createChildTables() {
 
       snprintf(tblColsBuf + len, MAX_SQL_SIZE - len, ")");
 
-      verbosePrint("%s() LN%d: dbName: %s num of tb: %"PRIu64" schema: %s\n",
+      verbosePrint("%s() LN%d: dbName: %s num of tb: %"PRId64" schema: %s\n",
               __func__, __LINE__,
               g_Dbs.db[i].dbName, g_args.num_of_tables, tblColsBuf);
       startMultiThreadCreateChildTable(
@@ -4756,7 +4756,7 @@ static void getTableName(char *pTblName, threadInfo* pThreadInfo, uint64_t table
             (tableSeq - superTblInfo->childTblOffset) * TSDB_TABLE_NAME_LEN);
     } else {
 
-        verbosePrint("[%d] %s() LN%d: from=%"PRIu64" count=%"PRIu64" seq=%"PRIu64"\n",
+        verbosePrint("[%d] %s() LN%d: from=%"PRIu64" count=%"PRId64" seq=%"PRIu64"\n",
                 pThreadInfo->threadID, __func__, __LINE__,
                 pThreadInfo->start_table_from,
                 pThreadInfo->ntables, tableSeq);
@@ -4772,7 +4772,7 @@ static void getTableName(char *pTblName, threadInfo* pThreadInfo, uint64_t table
 static int64_t generateDataTail(
         SSuperTable* superTblInfo,
         uint64_t batch, char* buffer, int64_t remainderBufLen, int64_t insertRows,
-        int64_t startFrom, int64_t startTime, int64_t *pSamplePos, int64_t *dataLen) {
+        uint64_t startFrom, int64_t startTime, int64_t *pSamplePos, int64_t *dataLen) {
   uint64_t len = 0;
   uint32_t ncols_per_record = 1; // count first col ts
 
@@ -4948,7 +4948,7 @@ static int64_t generateInterlaceDataBuffer(
         char *tableName, uint64_t batchPerTbl, uint64_t i, uint64_t batchPerTblTimes,
         uint64_t tableSeq,
         threadInfo *pThreadInfo, char *buffer,
-        uint64_t insertRows,
+        int64_t insertRows,
         int64_t startTime,
         uint64_t *pRemainderBufLen)
 {
@@ -5008,7 +5008,7 @@ static int64_t generateProgressiveDataBuffer(
         int64_t tableSeq,
         threadInfo *pThreadInfo, char *buffer,
         int64_t insertRows,
-        int64_t startFrom, int64_t startTime, int64_t *pSamplePos,
+        uint64_t startFrom, int64_t startTime, int64_t *pSamplePos,
         int64_t *pRemainderBufLen)
 {
   SSuperTable* superTblInfo = pThreadInfo->superTblInfo;
@@ -5061,7 +5061,7 @@ static void* syncWriteInterlace(threadInfo *pThreadInfo) {
   debugPrint("[%d] %s() LN%d: ### interlace write\n",
          pThreadInfo->threadID, __func__, __LINE__);
 
-  uint64_t insertRows;
+  int64_t insertRows;
   uint64_t interlaceRows;
 
   SSuperTable* superTblInfo = pThreadInfo->superTblInfo;
@@ -5123,14 +5123,12 @@ static void* syncWriteInterlace(threadInfo *pThreadInfo) {
 
   uint64_t tableSeq = pThreadInfo->start_table_from;
 
-  debugPrint("[%d] %s() LN%d: start_table_from=%"PRIu64" ntables=%"PRIu64" insertRows=%"PRIu64"\n",
+  debugPrint("[%d] %s() LN%d: start_table_from=%"PRIu64" ntables=%"PRId64" insertRows=%"PRIu64"\n",
           pThreadInfo->threadID, __func__, __LINE__, pThreadInfo->start_table_from,
           pThreadInfo->ntables, insertRows);
 
   int64_t startTime = pThreadInfo->start_time;
 
-  assert(pThreadInfo->ntables > 0);
-
   uint64_t batchPerTbl = interlaceRows;
   uint64_t batchPerTblTimes;
 
@@ -5343,7 +5341,7 @@ static void* syncWriteProgressive(threadInfo *pThreadInfo) {
         tableSeq ++) {
     int64_t start_time = pThreadInfo->start_time;
 
-    uint64_t insertRows = (superTblInfo)?superTblInfo->insertRows:g_args.num_of_DPT;
+    int64_t insertRows = (superTblInfo)?superTblInfo->insertRows:g_args.num_of_DPT;
     verbosePrint("%s() LN%d insertRows=%"PRId64"\n", __func__, __LINE__, insertRows);
 
     for (uint64_t i = 0; i < insertRows;) {
@@ -5659,8 +5657,8 @@ static void startMultiThreadInsertData(int threads, char* db_name,
     exit(-1);
   }
 
-  int ntables = 0;
-  int startFrom;
+  int64_t ntables = 0;
+  uint64_t startFrom;
 
   if (superTblInfo) {
     int64_t limit;
@@ -5716,7 +5714,7 @@ static void startMultiThreadInsertData(int threads, char* db_name,
       exit(-1);
     }
 
-    uint64_t childTblCount;
+    int64_t childTblCount;
     getChildNameOfSuperTableWithLimitAndOffset(
         taos,
         db_name, superTblInfo->sTblName,
@@ -5730,13 +5728,13 @@ static void startMultiThreadInsertData(int threads, char* db_name,
 
   taos_close(taos);
 
-  uint64_t a = ntables / threads;
+  int64_t a = ntables / threads;
   if (a < 1) {
     threads = ntables;
     a = 1;
   }
 
-  uint64_t b = 0;
+  int64_t b = 0;
   if (threads != 0) {
     b = ntables % threads;
   }
@@ -5892,7 +5890,7 @@ static void *readTable(void *sarg) {
     return NULL;
   }
 
-    int num_of_DPT;
+  int64_t num_of_DPT;
 /*  if (rinfo->superTblInfo) {
     num_of_DPT = rinfo->superTblInfo->insertRows; //  nrecords_per_table;
   } else {
@@ -5900,22 +5898,22 @@ static void *readTable(void *sarg) {
       num_of_DPT = g_args.num_of_DPT;
 //  }
 
-  int num_of_tables = rinfo->ntables; // rinfo->end_table_to - rinfo->start_table_from + 1;
-  int totalData = num_of_DPT * num_of_tables;
+  int64_t num_of_tables = rinfo->ntables; // rinfo->end_table_to - rinfo->start_table_from + 1;
+  int64_t totalData = num_of_DPT * num_of_tables;
   bool do_aggreFunc = g_Dbs.do_aggreFunc;
 
   int n = do_aggreFunc ? (sizeof(aggreFunc) / sizeof(aggreFunc[0])) : 2;
   if (!do_aggreFunc) {
     printf("\nThe first field is either Binary or Bool. Aggregation functions are not supported.\n");
   }
-  printf("%d records:\n", totalData);
+  printf("%"PRId64" records:\n", totalData);
   fprintf(fp, "| QFunctions |    QRecords    |   QSpeed(R/s)   |  QLatency(ms) |\n");
 
-  for (uint64_t j = 0; j < n; j++) {
+  for (int j = 0; j < n; j++) {
     double totalT = 0;
     uint64_t count = 0;
-    for (uint64_t i = 0; i < num_of_tables; i++) {
-      sprintf(command, "select %s from %s%"PRIu64" where ts>= %" PRIu64,
+    for (int64_t i = 0; i < num_of_tables; i++) {
+      sprintf(command, "select %s from %s%"PRId64" where ts>= %" PRIu64,
               aggreFunc[j], tb_prefix, i, sTime);
 
       double t = taosGetTimestampMs();
@@ -5940,7 +5938,7 @@ static void *readTable(void *sarg) {
       taos_free_result(pSql);
     }
 
-    fprintf(fp, "|%10s  |   %10d   |  %12.2f   |   %10.2f  |\n",
+    fprintf(fp, "|%10s  |   %"PRId64"   |  %12.2f   |   %10.2f  |\n",
             aggreFunc[j][0] == '*' ? "   *   " : aggreFunc[j], totalData,
             (double)(num_of_tables * num_of_DPT) / totalT, totalT * 1000);
     printf("select %10s took %.6f second(s)\n", aggreFunc[j], totalT * 1000);
@@ -5962,29 +5960,29 @@ static void *readMetric(void *sarg) {
     return NULL;
   }
 
-  int num_of_DPT = rinfo->superTblInfo->insertRows;
-  int num_of_tables = rinfo->ntables; // rinfo->end_table_to - rinfo->start_table_from + 1;
-  int totalData = num_of_DPT * num_of_tables;
+  int64_t num_of_DPT = rinfo->superTblInfo->insertRows;
+  int64_t num_of_tables = rinfo->ntables; // rinfo->end_table_to - rinfo->start_table_from + 1;
+  int64_t totalData = num_of_DPT * num_of_tables;
   bool do_aggreFunc = g_Dbs.do_aggreFunc;
 
   int n = do_aggreFunc ? (sizeof(aggreFunc) / sizeof(aggreFunc[0])) : 2;
   if (!do_aggreFunc) {
     printf("\nThe first field is either Binary or Bool. Aggregation functions are not supported.\n");
   }
-  printf("%d records:\n", totalData);
-  fprintf(fp, "Querying On %d records:\n", totalData);
+  printf("%"PRId64" records:\n", totalData);
+  fprintf(fp, "Querying On %"PRId64" records:\n", totalData);
 
   for (int j = 0; j < n; j++) {
     char condition[COND_BUF_LEN] = "\0";
     char tempS[64] = "\0";
 
-    int m = 10 < num_of_tables ? 10 : num_of_tables;
+    int64_t m = 10 < num_of_tables ? 10 : num_of_tables;
 
-    for (int i = 1; i <= m; i++) {
+    for (int64_t i = 1; i <= m; i++) {
       if (i == 1) {
-        sprintf(tempS, "t1 = %d", i);
+        sprintf(tempS, "t1 = %"PRId64"", i);
       } else {
-        sprintf(tempS, " or t1 = %d ", i);
+        sprintf(tempS, " or t1 = %"PRId64" ", i);
       }
       strncat(condition, tempS, COND_BUF_LEN - 1);
 
@@ -6070,11 +6068,11 @@ static int insertTestProcess() {
   end = taosGetTimestampMs();
 
   if (g_totalChildTables > 0) {
-    fprintf(stderr, "Spent %.4f seconds to create %d tables with %d thread(s)\n\n",
+    fprintf(stderr, "Spent %.4f seconds to create %"PRId64" tables with %d thread(s)\n\n",
             (end - start)/1000.0, g_totalChildTables, g_Dbs.threadCountByCreateTbl);
     if (g_fpOfInsertResult) {
       fprintf(g_fpOfInsertResult,
-            "Spent %.4f seconds to create %d tables with %d thread(s)\n\n",
+            "Spent %.4f seconds to create %"PRId64" tables with %d thread(s)\n\n",
             (end - start)/1000.0, g_totalChildTables, g_Dbs.threadCountByCreateTbl);
     }
   }
@@ -6400,16 +6398,16 @@ static int queryTestProcess() {
       ERROR_EXIT("memory allocation failed for create threads\n");
     }
 
-    uint64_t ntables = g_queryInfo.superQueryInfo.childTblCount;
+    int64_t ntables = g_queryInfo.superQueryInfo.childTblCount;
     int threads = g_queryInfo.superQueryInfo.threadCnt;
 
-    uint64_t a = ntables / threads;
+    int64_t a = ntables / threads;
     if (a < 1) {
       threads = ntables;
       a = 1;
     }
 
-    uint64_t b = 0;
+    int64_t b = 0;
     if (threads != 0) {
       b = ntables % threads;
     }
@@ -6748,16 +6746,16 @@ static int subscribeTestProcess() {
       exit(-1);
     }
 
-    uint64_t ntables = g_queryInfo.superQueryInfo.childTblCount;
+    int64_t ntables = g_queryInfo.superQueryInfo.childTblCount;
     int threads = g_queryInfo.superQueryInfo.threadCnt;
 
-    uint64_t a = ntables / threads;
+    int64_t a = ntables / threads;
     if (a < 1) {
       threads = ntables;
       a = 1;
     }
 
-    uint64_t b = 0;
+    int64_t b = 0;
     if (threads != 0) {
       b = ntables % threads;
     }

src/mnode/src/mnodeProfile.c

@@ -123,8 +123,9 @@ SConnObj *mnodeAccquireConn(int32_t connId, char *user, uint32_t ip, uint16_t po
   if (/* pConn->ip != ip || */ pConn->port != port /* || strcmp(pConn->user, user) != 0 */) {
     mDebug("connId:%d, incoming conn user:%s ip:%s:%u, not match exist conn user:%s ip:%s:%u", connId, user,
            taosIpStr(ip), port, pConn->user, taosIpStr(pConn->ip), pConn->port);
-    taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
-    return NULL;
+    pConn->port = port;
+    //taosCacheRelease(tsMnodeConnCache, (void **)&pConn, false);
+    //return NULL;
   }
 
   // mDebug("connId:%d, is incoming, user:%s ip:%s:%u", connId, pConn->user, taosIpStr(pConn->ip), pConn->port);

src/mnode/src/mnodeShow.c

@@ -253,10 +253,6 @@ static int32_t mnodeProcessHeartBeatMsg(SMnodeMsg *pMsg) {
     
   int32_t connId = htonl(pHBMsg->connId);
   SConnObj *pConn = mnodeAccquireConn(connId, connInfo.user, connInfo.clientIp, connInfo.clientPort);
-  if (pConn == NULL) {
-    pHBMsg->pid = htonl(pHBMsg->pid);
-    pConn = mnodeCreateConn(connInfo.user, connInfo.clientIp, connInfo.clientPort, pHBMsg->pid, pHBMsg->appName);
-  }
 
   if (pConn == NULL) {
     // do not close existing links, otherwise

src/query/src/qExecutor.c

@@ -115,6 +115,8 @@ int64_t genQueryId(void) {
 
   uid |= sid;
 
+  qDebug("gen qid:0x%"PRIx64, uid);
+
   return uid;
 }
 

src/rpc/src/rpcMain.c

@@ -1471,7 +1471,7 @@ static int32_t rpcCompressRpcMsg(char* pCont, int32_t contLen) {
    * only the compressed size is less than the value of contLen - overhead, the compression is applied
    * The first four bytes is set to 0, the second four bytes are utilized to keep the original length of message
    */
-  if (compLen < contLen - overhead) {
+  if (compLen > 0 && compLen < contLen - overhead) {
     SRpcComp *pComp = (SRpcComp *)pCont;
     pComp->reserved = 0; 
     pComp->contLen = htonl(contLen); 

src/wal/src/walWrite.c

@@ -426,8 +426,8 @@ static int32_t walRestoreWalFile(SWal *pWal, void *pVnode, FWalWrite writeFp, ch
 #endif
     offset = offset + sizeof(SWalHead) + pHead->len;
 
-    wTrace("vgId:%d, restore wal, fileId:%" PRId64 " hver:%" PRIu64 " wver:%" PRIu64 " len:%d", pWal->vgId,
-           fileId, pHead->version, pWal->version, pHead->len);
+    wTrace("vgId:%d, restore wal, fileId:%" PRId64 " hver:%" PRIu64 " wver:%" PRIu64 " len:%d offset:%" PRId64,
+           pWal->vgId, fileId, pHead->version, pWal->version, pHead->len, offset);
 
     pWal->version = pHead->version;
     (*writeFp)(pVnode, pHead, TAOS_QTYPE_WAL, NULL);