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The following commit(s) were added to refs/heads/master by this push:
     new e806ccfb13 [INLONG-11202][SDK] Optimize the code related to the date 
type in Transform (#11203)
e806ccfb13 is described below

commit e806ccfb1383e019ec01b08013edbcf43f3f794a
Author: Zkplo <87751516+zk...@users.noreply.github.com>
AuthorDate: Wed Oct 9 12:46:36 2024 +0800

    [INLONG-11202][SDK] Optimize the code related to the date type in Transform 
(#11203)
---
 .../process/function/DateAddFunction.java          | 16 ++--
 .../process/function/DateDiffFunction.java         | 24 +-----
 .../process/function/DateSubFunction.java          | 16 ++--
 .../process/function/TimestampAddFunction.java     | 45 +++++------
 .../process/function/TimestampDiffFunction.java    | 35 ++-------
 .../transform/process/parser/AdditionParser.java   | 17 ++---
 .../transform/process/parser/IntervalParser.java   | 37 ++-------
 .../process/parser/SubtractionParser.java          | 17 ++---
 .../sdk/transform/process/pojo/IntervalInfo.java   | 42 +++++++++++
 .../sdk/transform/process/utils/DateUtil.java      | 88 +++++++++++++++-------
 ...stampAdd.java => TestTimestampAddFunction.java} | 20 ++++-
 11 files changed, 189 insertions(+), 168 deletions(-)

diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateAddFunction.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateAddFunction.java
index 11fbfcda38..28c8d83d40 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateAddFunction.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateAddFunction.java
@@ -21,15 +21,13 @@ import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+import org.apache.inlong.sdk.transform.process.pojo.IntervalInfo;
 import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.Function;
-import org.apache.commons.lang3.tuple.Pair;
 
-import java.time.temporal.ChronoField;
 import java.util.List;
-import java.util.Map;
 
 /**
  * DateAddFunction
@@ -50,8 +48,8 @@ import java.util.Map;
 @TransformFunction(names = {"date_add"})
 public class DateAddFunction implements ValueParser {
 
-    private ValueParser datetimeParser;
-    private ValueParser intervalParser;
+    private final ValueParser datetimeParser;
+    private final ValueParser intervalParser;
 
     public DateAddFunction(Function expr) {
         List<Expression> expressions = expr.getParameters().getExpressions();
@@ -61,12 +59,12 @@ public class DateAddFunction implements ValueParser {
 
     @Override
     public Object parse(SourceData sourceData, int rowIndex, Context context) {
-        Object intervalPairObj = intervalParser.parse(sourceData, rowIndex, 
context);
+        Object intervalInfoObj = intervalParser.parse(sourceData, rowIndex, 
context);
         Object dateObj = datetimeParser.parse(sourceData, rowIndex, context);
-        if (intervalPairObj == null || dateObj == null) {
+        if (intervalInfoObj == null || dateObj == null) {
             return null;
         }
-        return DateUtil.dateAdd(OperatorTools.parseString(dateObj),
-                (Pair<Integer, Map<ChronoField, Long>>) intervalPairObj, 1);
+        return DateUtil.dateTypeAdd(OperatorTools.parseString(dateObj),
+                (IntervalInfo) intervalInfoObj, true);
     }
 }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateDiffFunction.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateDiffFunction.java
index 77b2c93dfc..7ce47d4d70 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateDiffFunction.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateDiffFunction.java
@@ -21,15 +21,15 @@ import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.Function;
 
 import java.time.LocalDate;
-import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoUnit;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * DateDiffFunction
@@ -43,9 +43,6 @@ public class DateDiffFunction implements ValueParser {
 
     private final ValueParser leftDateParser;
     private final ValueParser rightDateParser;
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE_TIME =
-            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE = 
DateTimeFormatter.ofPattern("yyyy-MM-dd");
 
     public DateDiffFunction(Function expr) {
         List<Expression> expressions = expr.getParameters().getExpressions();
@@ -66,24 +63,11 @@ public class DateDiffFunction implements ValueParser {
             return null;
         }
         try {
-            LocalDate left = getLocalDate(leftDate);
-            LocalDate right = getLocalDate(rightDate);
+            LocalDate left = 
Objects.requireNonNull(DateUtil.parseLocalDateTime(leftDate)).toLocalDate();
+            LocalDate right = 
Objects.requireNonNull(DateUtil.parseLocalDateTime(rightDate)).toLocalDate();
             return ChronoUnit.DAYS.between(right, left);
         } catch (Exception e) {
             return null;
         }
     }
-
-    public LocalDate getLocalDate(String dateString) {
-        DateTimeFormatter formatter = null;
-        LocalDate dateTime = null;
-        if (dateString.indexOf(' ') != -1) {
-            formatter = DEFAULT_FORMAT_DATE_TIME;
-            dateTime = LocalDateTime.parse(dateString, 
formatter).toLocalDate();
-        } else {
-            formatter = DEFAULT_FORMAT_DATE;
-            dateTime = LocalDate.parse(dateString, formatter);
-        }
-        return dateTime;
-    }
 }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateSubFunction.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateSubFunction.java
index dfa14efee9..1033642046 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateSubFunction.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/DateSubFunction.java
@@ -21,15 +21,13 @@ import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+import org.apache.inlong.sdk.transform.process.pojo.IntervalInfo;
 import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.Function;
-import org.apache.commons.lang3.tuple.Pair;
 
-import java.time.temporal.ChronoField;
 import java.util.List;
-import java.util.Map;
 
 /**
  * DateAddFunction
@@ -50,8 +48,8 @@ import java.util.Map;
 @TransformFunction(names = {"date_sub", "datesub"})
 public class DateSubFunction implements ValueParser {
 
-    private ValueParser datetimeParser;
-    private ValueParser intervalParser;
+    private final ValueParser datetimeParser;
+    private final ValueParser intervalParser;
 
     public DateSubFunction(Function expr) {
         List<Expression> expressions = expr.getParameters().getExpressions();
@@ -61,12 +59,12 @@ public class DateSubFunction implements ValueParser {
 
     @Override
     public Object parse(SourceData sourceData, int rowIndex, Context context) {
-        Object intervalPairObj = intervalParser.parse(sourceData, rowIndex, 
context);
+        Object intervalInfoObj = intervalParser.parse(sourceData, rowIndex, 
context);
         Object dateObj = datetimeParser.parse(sourceData, rowIndex, context);
-        if (intervalPairObj == null || dateObj == null) {
+        if (intervalInfoObj == null || dateObj == null) {
             return null;
         }
-        return DateUtil.dateAdd(OperatorTools.parseString(dateObj),
-                (Pair<Integer, Map<ChronoField, Long>>) intervalPairObj, -1);
+        return DateUtil.dateTypeAdd(OperatorTools.parseString(dateObj),
+                (IntervalInfo) intervalInfoObj, false);
     }
 }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
index 29b4636d81..c5e55f8725 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampAddFunction.java
@@ -21,30 +21,26 @@ import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.Function;
 
-import java.time.LocalDate;
 import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 import java.util.List;
 
 /**
  * TimestampAddFunction
  * Description: Add integer expression intervals to the date or date time 
expression expr.
  *  The unit of the time interval is specified by the unit parameter, which 
should be one of the following values:
- *  FRAC_SECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR.
+ *  MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR.
  */
 @TransformFunction(names = {"timestamp_add", "timestampadd"})
 public class TimestampAddFunction implements ValueParser {
 
-    private ValueParser intervalParser;
-    private ValueParser amountParser;
-    private ValueParser datetimeParser;
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE_TIME =
-            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE = 
DateTimeFormatter.ofPattern("yyyy-MM-dd");
+    private final ValueParser intervalParser;
+    private final ValueParser amountParser;
+    private final ValueParser datetimeParser;
 
     public TimestampAddFunction(Function expr) {
         List<Expression> expressions = expr.getParameters().getExpressions();
@@ -62,22 +58,18 @@ public class TimestampAddFunction implements ValueParser {
     }
 
     private String evalDate(String dateString, String interval, Long amount) {
-        DateTimeFormatter formatter = null;
-        LocalDateTime dateTime = null;
-        boolean hasTime = true;
-        if (dateString.indexOf(' ') != -1) {
-            formatter = DEFAULT_FORMAT_DATE_TIME;
-            dateTime = LocalDateTime.parse(dateString, formatter);
-        } else {
-            formatter = DEFAULT_FORMAT_DATE;
-            dateTime = LocalDate.parse(dateString, formatter).atStartOfDay();
-            hasTime = false;
+        LocalDateTime dateTime = DateUtil.parseLocalDateTime(dateString);
+        if (dateTime == null) {
+            return null;
         }
+        boolean hasTime = dateString.indexOf(' ') != -1;
+        boolean hasMicro = dateString.indexOf('.') != -1;
 
         switch (interval.toUpperCase()) {
-            case "FRAC_SECOND":
+            case "MICROSECOND":
                 hasTime = true;
-                dateTime = dateTime.plusNanos(amount * 1000_000);
+                hasMicro = true;
+                dateTime = dateTime.plusNanos(amount * 1000);
                 break;
             case "SECOND":
                 hasTime = true;
@@ -107,12 +99,13 @@ public class TimestampAddFunction implements ValueParser {
                 dateTime = dateTime.plusYears(amount);
                 break;
         }
-
-        String result = dateTime.toLocalDate().toString();
+        StringBuilder format = new StringBuilder("yyyy-MM-dd");
         if (hasTime) {
-            result += " " + 
dateTime.toLocalTime().format(DateTimeFormatter.ofPattern("HH:mm:ss"));
+            format.append(" HH:mm:ss");
         }
-
-        return result;
+        if (hasMicro) {
+            format.append(".SSSSSS");
+        }
+        return 
dateTime.format(DateUtil.getDateTimeFormatter(format.toString()));
     }
 }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampDiffFunction.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampDiffFunction.java
index ebc045db22..085659b4ed 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampDiffFunction.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/function/TimestampDiffFunction.java
@@ -21,15 +21,15 @@ import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
 import org.apache.inlong.sdk.transform.process.parser.ValueParser;
+import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.Expression;
 import net.sf.jsqlparser.expression.Function;
 
-import java.time.LocalDate;
 import java.time.LocalDateTime;
-import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoUnit;
 import java.util.List;
+import java.util.Objects;
 
 /**
  * TimestampDiffFunction  -> TIMESTAMPDIFF(unit,datetime_expr1,datetime_expr2)
@@ -41,14 +41,9 @@ import java.util.List;
 @TransformFunction(names = {"timestamp_diff", "timestampdiff"})
 public class TimestampDiffFunction implements ValueParser {
 
-    private ValueParser unitParser;
-    private ValueParser firstDateTimeParser;
-    private ValueParser secondDateTimeParser;
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE_MRO_TIME =
-            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSS");
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE_TIME =
-            DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
-    private static final DateTimeFormatter DEFAULT_FORMAT_DATE = 
DateTimeFormatter.ofPattern("yyyy-MM-dd");
+    private final ValueParser unitParser;
+    private final ValueParser firstDateTimeParser;
+    private final ValueParser secondDateTimeParser;
 
     public TimestampDiffFunction(Function expr) {
         List<Expression> expressions = expr.getParameters().getExpressions();
@@ -72,8 +67,8 @@ public class TimestampDiffFunction implements ValueParser {
             return null;
         }
         try {
-            LocalDateTime left = getLocalDate(firstDateTime);
-            LocalDateTime right = getLocalDate(secondDateTime);
+            LocalDateTime left = 
Objects.requireNonNull(DateUtil.parseLocalDateTime(firstDateTime));
+            LocalDateTime right = 
Objects.requireNonNull(DateUtil.parseLocalDateTime(secondDateTime));
             switch (unit) {
                 case "MICROSECOND":
                     return ChronoUnit.MICROS.between(left, right);
@@ -100,20 +95,4 @@ public class TimestampDiffFunction implements ValueParser {
             return null;
         }
     }
-
-    public LocalDateTime getLocalDate(String dateString) {
-        DateTimeFormatter formatter = null;
-        LocalDateTime dateTime = null;
-        if (dateString.indexOf('.') != -1) {
-            formatter = DEFAULT_FORMAT_DATE_MRO_TIME;
-            dateTime = LocalDateTime.parse(dateString, formatter);
-        } else if (dateString.indexOf(' ') != -1) {
-            formatter = DEFAULT_FORMAT_DATE_TIME;
-            dateTime = LocalDateTime.parse(dateString, formatter);
-        } else {
-            formatter = DEFAULT_FORMAT_DATE;
-            dateTime = LocalDate.parse(dateString, formatter).atStartOfDay();
-        }
-        return dateTime;
-    }
 }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/AdditionParser.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/AdditionParser.java
index eea6ce7e17..54e2f0e8ce 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/AdditionParser.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/AdditionParser.java
@@ -20,17 +20,16 @@ package org.apache.inlong.sdk.transform.process.parser;
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
+import org.apache.inlong.sdk.transform.process.pojo.IntervalInfo;
 import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
-import org.apache.commons.lang3.tuple.Pair;
 
 import java.math.BigDecimal;
-import java.time.temporal.ChronoField;
-import java.util.Map;
 
 /**
  * AdditionParser
+ * Description: Support the addition of numerical values and time
  */
 @TransformParser(values = Addition.class)
 public class AdditionParser implements ValueParser {
@@ -49,8 +48,8 @@ public class AdditionParser implements ValueParser {
         if (this.left instanceof IntervalParser && this.right instanceof 
IntervalParser) {
             return null;
         } else if (this.left instanceof IntervalParser || this.right 
instanceof IntervalParser) {
-            IntervalParser intervalParser = null;
-            ValueParser dateParser = null;
+            IntervalParser intervalParser;
+            ValueParser dateParser;
             if (this.left instanceof IntervalParser) {
                 intervalParser = (IntervalParser) this.left;
                 dateParser = this.right;
@@ -58,13 +57,13 @@ public class AdditionParser implements ValueParser {
                 intervalParser = (IntervalParser) this.right;
                 dateParser = this.left;
             }
-            Object intervalPairObj = intervalParser.parse(sourceData, 
rowIndex, context);
+            Object intervalInfoObj = intervalParser.parse(sourceData, 
rowIndex, context);
             Object dateObj = dateParser.parse(sourceData, rowIndex, context);
-            if (intervalPairObj == null || dateObj == null) {
+            if (intervalInfoObj == null || dateObj == null) {
                 return null;
             }
-            return DateUtil.dateAdd(OperatorTools.parseString(dateObj),
-                    (Pair<Integer, Map<ChronoField, Long>>) intervalPairObj, 
1);
+            return DateUtil.dateTypeAdd(OperatorTools.parseString(dateObj),
+                    (IntervalInfo) intervalInfoObj, true);
         } else {
             return numericalOperation(sourceData, rowIndex, context);
         }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/IntervalParser.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/IntervalParser.java
index 7266dcd63b..dcf597af76 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/IntervalParser.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/IntervalParser.java
@@ -20,22 +20,17 @@ package org.apache.inlong.sdk.transform.process.parser;
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
+import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import lombok.extern.slf4j.Slf4j;
 import net.sf.jsqlparser.expression.IntervalExpression;
-import org.apache.commons.lang3.tuple.Pair;
 
 import java.time.format.DateTimeFormatter;
-import java.time.temporal.ChronoField;
-import java.time.temporal.TemporalAccessor;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * IntervalParser  <-> INTERVAL expr unit ->  
Pair(factor,Map(ChronoField,Count)):
+ * IntervalParser  <-> INTERVAL expr unit ->  IntervalInfo:
  * <p>
  * `factor`:
  * <p>
@@ -62,11 +57,6 @@ public class IntervalParser implements ValueParser {
     private final String intervalType;
     private final ValueParser dateParser;
     private final String parameter;
-
-    private static final List<ChronoField> CHRONO_FIELD_LIST = 
Arrays.asList(ChronoField.YEAR,
-            ChronoField.MONTH_OF_YEAR,
-            ChronoField.DAY_OF_MONTH, ChronoField.HOUR_OF_DAY, 
ChronoField.MINUTE_OF_HOUR, ChronoField.SECOND_OF_MINUTE,
-            ChronoField.MICRO_OF_SECOND);
     private static final Map<String, DateTimeFormatter> DT_FORMATTER_MAP = new 
ConcurrentHashMap<>();
 
     static {
@@ -105,13 +95,13 @@ public class IntervalParser implements ValueParser {
     public Object parse(SourceData sourceData, int rowIndex, Context context) {
         DateTimeFormatter dateTimeFormatter = 
DT_FORMATTER_MAP.get(intervalType);
 
-        String dataStr = parameter;
+        String dateStr = parameter;
         if (dateParser != null) {
             Object dateObj = dateParser.parse(sourceData, rowIndex, context);
             if (dateObj == null) {
                 return null;
             }
-            dataStr = OperatorTools.parseString(dateObj);
+            dateStr = OperatorTools.parseString(dateObj);
         }
 
         int factor = 1;
@@ -128,24 +118,11 @@ public class IntervalParser implements ValueParser {
         }
 
         try {
-            factor = dataStr.charAt(0) == '-' ? -factor : factor;
+            factor = dateStr.charAt(0) == '-' ? -factor : factor;
             if (factor < 0) {
-                dataStr = dataStr.substring(1);
-            }
-            TemporalAccessor temporalAccessor = 
dateTimeFormatter.parse(dataStr);
-            HashMap<ChronoField, Long> map = new HashMap<>();
-            for (ChronoField field : CHRONO_FIELD_LIST) {
-                try {
-                    long num = temporalAccessor.getLong(field);
-                    if (num == 0) {
-                        continue;
-                    }
-                    map.put(field, temporalAccessor.getLong(field));
-                } catch (Exception ignored) {
-
-                }
+                dateStr = dateStr.substring(1);
             }
-            return Pair.of(factor, map);
+            return DateUtil.parseIntervalInfo(dateTimeFormatter, dateStr, 
factor);
         } catch (Exception e) {
             log.error("Interval parse error", e);
             return null;
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/SubtractionParser.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/SubtractionParser.java
index cf32f1694c..900c5ff946 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/SubtractionParser.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/SubtractionParser.java
@@ -20,24 +20,23 @@ package org.apache.inlong.sdk.transform.process.parser;
 import org.apache.inlong.sdk.transform.decode.SourceData;
 import org.apache.inlong.sdk.transform.process.Context;
 import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
+import org.apache.inlong.sdk.transform.process.pojo.IntervalInfo;
 import org.apache.inlong.sdk.transform.process.utils.DateUtil;
 
 import net.sf.jsqlparser.expression.operators.arithmetic.Subtraction;
-import org.apache.commons.lang3.tuple.Pair;
 
 import java.math.BigDecimal;
-import java.time.temporal.ChronoField;
-import java.util.Map;
 
 /**
  * SubtractionParser
+ * Description: Support subtraction between numerical values and time
  */
 @TransformParser(values = Subtraction.class)
 public class SubtractionParser implements ValueParser {
 
-    private ValueParser left;
+    private final ValueParser left;
 
-    private ValueParser right;
+    private final ValueParser right;
 
     public SubtractionParser(Subtraction expr) {
         this.left = OperatorTools.buildParser(expr.getLeftExpression());
@@ -58,13 +57,13 @@ public class SubtractionParser implements ValueParser {
                 intervalParser = (IntervalParser) this.right;
                 dateParser = this.left;
             }
-            Object intervalPairObj = intervalParser.parse(sourceData, 
rowIndex, context);
+            Object intervalInfoObj = intervalParser.parse(sourceData, 
rowIndex, context);
             Object dateObj = dateParser.parse(sourceData, rowIndex, context);
-            if (intervalPairObj == null || dateObj == null) {
+            if (intervalInfoObj == null || dateObj == null) {
                 return null;
             }
-            return DateUtil.dateAdd(OperatorTools.parseString(dateObj),
-                    (Pair<Integer, Map<ChronoField, Long>>) intervalPairObj, 
-1);
+            return DateUtil.dateTypeAdd(OperatorTools.parseString(dateObj),
+                    (IntervalInfo) intervalInfoObj, false);
         } else {
             return numericalOperation(sourceData, rowIndex, context);
         }
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/pojo/IntervalInfo.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/pojo/IntervalInfo.java
new file mode 100644
index 0000000000..8158b7ee5a
--- /dev/null
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/pojo/IntervalInfo.java
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.inlong.sdk.transform.process.pojo;
+
+import lombok.Data;
+
+import java.time.temporal.ChronoField;
+import java.util.HashMap;
+
+@Data
+public class IntervalInfo {
+
+    private int factor = 1;
+    private HashMap<ChronoField, Long> chronoMap;
+
+    public IntervalInfo() {
+    }
+
+    public IntervalInfo(HashMap<ChronoField, Long> chronoMap) {
+        this.chronoMap = chronoMap;
+    }
+
+    public IntervalInfo(int factor, HashMap<ChronoField, Long> chronoMap) {
+        this.factor = factor;
+        this.chronoMap = chronoMap;
+    }
+}
diff --git 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/utils/DateUtil.java
 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/utils/DateUtil.java
index e703bb543f..05bcfcaade 100644
--- 
a/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/utils/DateUtil.java
+++ 
b/inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/utils/DateUtil.java
@@ -17,18 +17,27 @@
 
 package org.apache.inlong.sdk.transform.process.utils;
 
-import org.apache.commons.lang3.tuple.Pair;
+import org.apache.inlong.sdk.transform.process.pojo.IntervalInfo;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoField;
+import java.time.temporal.TemporalAccessor;
+import java.util.Arrays;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
 
 public class DateUtil {
 
+    private static final List<ChronoField> CHRONO_FIELD_LIST = 
Arrays.asList(ChronoField.YEAR,
+            ChronoField.MONTH_OF_YEAR,
+            ChronoField.DAY_OF_MONTH, ChronoField.HOUR_OF_DAY, 
ChronoField.MINUTE_OF_HOUR, ChronoField.SECOND_OF_MINUTE,
+            ChronoField.MICRO_OF_SECOND);
+
     // Need to follow this order
     private static final Map<String, DateTimeFormatter> 
DATE_TIME_FORMATTER_MAP = new LinkedHashMap<>();
     private static final Map<String, DateTimeFormatter> TIME_FORMATTER_MAP = 
new LinkedHashMap<>();
@@ -51,27 +60,18 @@ public class DateUtil {
      * Time calculation
      *
      * @param dateStr      Time parameter string
-     * @param intervalPair Interval parsing results
-     * @param sign         If the sign is positive or negative, it indicates 
addition or subtraction
+     * @param intervalInfo Interval parsing results
+     * @param isPositive   True is positive, false is negative
      * @return Calculation result string
      */
-    public static String dateAdd(String dateStr, Pair<Integer, 
Map<ChronoField, Long>> intervalPair, int sign) {
-
-        if (sign < 0) {
-            sign = -1;
-        } else if (sign > 0) {
-            sign = 1;
-        } else {
-            return null;
-        }
-
+    public static String dateTypeAdd(String dateStr, IntervalInfo 
intervalInfo, boolean isPositive) {
         Object dateParserObj = parseLocalDateTime(dateStr);
         if (dateParserObj != null) {
-            return addDateTime(intervalPair, sign, (LocalDateTime) 
dateParserObj, dateStr);
+            return addDateTime(dateStr, (LocalDateTime) dateParserObj, 
intervalInfo, isPositive);
         }
         dateParserObj = parseLocalTime(dateStr);
         if (dateParserObj != null) {
-            return addTime(intervalPair, sign, (LocalTime) dateParserObj, 
dateStr);
+            return addTime(dateStr, (LocalTime) dateParserObj, intervalInfo, 
isPositive);
         }
         return null;
     }
@@ -117,6 +117,23 @@ public class DateUtil {
         return null;
     }
 
+    public static IntervalInfo parseIntervalInfo(DateTimeFormatter 
dateTimeFormatter, String dateStr, int factor) {
+        TemporalAccessor temporalAccessor = dateTimeFormatter.parse(dateStr);
+        HashMap<ChronoField, Long> map = new HashMap<>();
+        for (ChronoField field : CHRONO_FIELD_LIST) {
+            try {
+                long num = temporalAccessor.getLong(field);
+                if (num == 0) {
+                    continue;
+                }
+                map.put(field, temporalAccessor.getLong(field));
+            } catch (Exception ignored) {
+
+            }
+        }
+        return new IntervalInfo(factor, map);
+    }
+
     public static DateTimeFormatter getDateTimeFormatter(String formatStr) {
         DateTimeFormatter formatter = DATE_TIME_FORMATTER_MAP.get(formatStr);
         if (formatter != null) {
@@ -125,13 +142,23 @@ public class DateUtil {
         return TIME_FORMATTER_MAP.get(formatStr);
     }
 
-    private static String addDateTime(Pair<Integer, Map<ChronoField, Long>> 
intervalPair, int sign,
-            LocalDateTime dateTime, String dataStr) {
-        int factor = intervalPair.getKey();
-        Map<ChronoField, Long> valueMap = intervalPair.getValue();
+    /**
+     *
+     * @param dateStr The first time string
+     * @param dateTime It is obtained by parsing dateStr
+     * @param intervalInfo addend
+     * @param isPositive   True is positive, false is negative
+     * @return
+     */
+    public static String addDateTime(String dateStr, LocalDateTime dateTime,
+            IntervalInfo intervalInfo, boolean isPositive) {
+        int factor = intervalInfo.getFactor();
+        Map<ChronoField, Long> valueMap = intervalInfo.getChronoMap();
+
+        int sign = isPositive ? 1 : -1;
 
-        boolean hasTime = dataStr.indexOf(' ') != -1;
-        boolean hasMicroSecond = dataStr.indexOf('.') != -1;
+        boolean hasTime = dateStr.indexOf(' ') != -1;
+        boolean hasMicroSecond = dateStr.indexOf('.') != -1;
 
         for (ChronoField field : valueMap.keySet()) {
             long amount = valueMap.get(field) * factor * sign;
@@ -176,12 +203,21 @@ public class DateUtil {
         return dateTime.toLocalDate().toString();
     }
 
-    private static String addTime(Pair<Integer, Map<ChronoField, Long>> 
intervalPair, int sign, LocalTime time,
-            String dataStr) {
-        int factor = intervalPair.getKey();
-        Map<ChronoField, Long> valueMap = intervalPair.getValue();
+    /**
+     *
+     * @param dateStr The first time string
+     * @param time It is obtained by parsing dateStr
+     * @param intervalInfo addend
+     * @param isPositive   True is positive, false is negative
+     * @return
+     */
+    public static String addTime(String dateStr, LocalTime time,
+            IntervalInfo intervalInfo, boolean isPositive) {
+        int factor = intervalInfo.getFactor();
+        Map<ChronoField, Long> valueMap = intervalInfo.getChronoMap();
+        boolean hasMicroSecond = dateStr.indexOf('.') != -1;
 
-        boolean hasMicroSecond = dataStr.indexOf('.') != -1;
+        int sign = isPositive ? 1 : -1;
 
         for (ChronoField field : valueMap.keySet()) {
             long amount = valueMap.get(field) * factor * sign;
diff --git 
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAdd.java
 
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAddFunction.java
similarity index 74%
rename from 
inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAdd.java
rename to 
inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAddFunction.java
index c2f7e1ac56..245ee050c5 100644
--- 
a/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAdd.java
+++ 
b/inlong-sdk/transform-sdk/src/test/java/org/apache/inlong/sdk/transform/process/function/temporal/TestTimestampAddFunction.java
@@ -28,10 +28,10 @@ import org.junit.Test;
 import java.util.HashMap;
 import java.util.List;
 
-public class TestTimestampAdd extends AbstractFunctionTemporalTestBase {
+public class TestTimestampAddFunction extends AbstractFunctionTemporalTestBase 
{
 
     @Test
-    public void testTimestampAdd() throws Exception {
+    public void testTimestampAddFunction() throws Exception {
         String transformSql1 = "select timestamp_add('day',string2,string1) 
from source";
         TransformConfig config1 = new TransformConfig(transformSql1);
         TransformProcessor<String, String> processor1 = TransformProcessor
@@ -67,5 +67,21 @@ public class TestTimestampAdd extends 
AbstractFunctionTemporalTestBase {
         List<String> output5 = processor2.transform("1970-01-01|-3", new 
HashMap<>());
         Assert.assertEquals(1, output5.size());
         Assert.assertEquals("result=1969-12-31 23:57:00", output5.get(0));
+
+        String transformSql3 = "select 
timestamp_add('MICROSECOND',string2,string1) from source";
+        TransformConfig config3 = new TransformConfig(transformSql3);
+        TransformProcessor<String, String> processor3 = TransformProcessor
+                .create(config3, 
SourceDecoderFactory.createCsvDecoder(csvSource),
+                        SinkEncoderFactory.createKvEncoder(kvSink));
+
+        // case6: timestamp_add('MICROSECOND',3,'1970-01-01 00:00:44.000001')
+        List<String> output6 = processor3.transform("1970-01-01 
00:00:44.000001|3", new HashMap<>());
+        Assert.assertEquals(1, output6.size());
+        Assert.assertEquals("result=1970-01-01 00:00:44.000004", 
output6.get(0));
+
+        // case7: timestamp_add('MICROSECOND',3,'1970-01-01 00:00:44')
+        List<String> output7 = processor3.transform("1970-01-01 00:00:44|3", 
new HashMap<>());
+        Assert.assertEquals(1, output7.size());
+        Assert.assertEquals("result=1970-01-01 00:00:44.000003", 
output7.get(0));
     }
 }


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