fixed the partion date extracting

@@ -17,7 +17,7 @@ package org.thingsboard.server.dao.util;
 
 import org.springframework.boot.autoconfigure.condition.ConditionalOnExpression;
 
-@ConditionalOnExpression("('${database.ts.type}'=='sql' || '${database.entities.type}'=='timescale') " +
+@ConditionalOnExpression("('${database.ts.type}'=='sql' || '${database.ts.type}'=='timescale') " +
         "&& '${spring.jpa.database-platform}'=='org.hibernate.dialect.PostgreSQLDialect'")
 public @interface PsqlTsAnyDao {
 }

@@ -46,6 +46,8 @@ import org.thingsboard.server.dao.util.SqlTsDao;
 import java.time.Instant;
 import java.time.LocalDateTime;
 import java.time.ZoneOffset;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -298,13 +300,15 @@ public class JpaPsqlTimeseriesDao extends AbstractSimpleSqlTimeseriesDao<TsKvEnt
     }
 
     private PsqlPartition toPartition(long ts) {
-        LocalDateTime time = LocalDateTime.ofInstant(Instant.ofEpochMilli(ts), ZoneOffset.UTC);
-        LocalDateTime localDateTimeStart = tsFormat.trancateTo(time);
-        if (localDateTimeStart == SqlTsPartitionDate.EPOCH_START) {
+        if (tsFormat.getTruncateUnit().equals(SqlTsPartitionDate.INDEFINITE.getTruncateUnit())) {
             return new PsqlPartition(toMills(EPOCH_START), Long.MAX_VALUE, tsFormat.getPattern());
         } else {
+            LocalDateTime time = LocalDateTime.ofInstant(Instant.ofEpochMilli(ts), ZoneOffset.UTC);
+            LocalDateTime localDateTimeStart = tsFormat.trancateTo(time);
             LocalDateTime localDateTimeEnd = tsFormat.plusTo(localDateTimeStart);
-            return new PsqlPartition(toMills(localDateTimeStart), toMills(localDateTimeEnd), tsFormat.getPattern());
+            ZonedDateTime zonedDateTime = localDateTimeStart.atZone(ZoneOffset.UTC);
+            String partitionDate = zonedDateTime.format(DateTimeFormatter.ofPattern(tsFormat.getPattern()));
+            return new PsqlPartition(toMills(localDateTimeStart), toMills(localDateTimeEnd), partitionDate);
         }
     }
 

@@ -17,9 +17,6 @@ package org.thingsboard.server.dao.timeseries;
 
 import lombok.Data;
 
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
 @Data
 public class PsqlPartition {
 
@@ -30,10 +27,10 @@ public class PsqlPartition {
     private String partitionDate;
     private String query;
 
-    public PsqlPartition(long start, long end, String pattern) {
+    public PsqlPartition(long start, long end, String partitionDate) {
         this.start = start;
         this.end = end;
-        this.partitionDate = new SimpleDateFormat(pattern).format(new Date(start));
+        this.partitionDate = partitionDate;
         this.query = createStatement(start, end, partitionDate);
     }
 

@@ -88,6 +88,6 @@ public enum SqlTsPartitionDate {
                 }
             }
         }
-        return Optional.of(partition);
+        return Optional.ofNullable(partition);
     }
 }
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