sql-timestamp

问题 There is a SQL function from Oracle to_date('26 Jul 2016, 05:15:58 AM','DD Mon YYYY, HH:MI:SS AM') , and it throws exception "Illegal pattern character 'o'" in H2. How shall I change it to make it work in H2? 回答1: The equivalent function of TO_DATE() in H2 is PARSEDATETIME() . This is how you should use it with your sample data: PARSEDATETIME('26 Jul 2016, 05:15:58 AM','dd MMM yyyy, hh:mm:ss a','en') Be careful not to use HH:mm:ss otherwise the AM/PM detection will not work. 回答2: Here is

问题 How can I implement created_at and updated_at columns using Room Persistence ORM tools in Android, that can update the timestamp automatically when creating or updating a row in a table? 回答1: I've research many sites, but still not found any results can handle middleware or something like callbacks when we Query , Insert , Update , or Delete ,... methods from DAO s. As @selvin said, RoomDatabase.Callback interface only call when database created in first time. So, use that interface is

问题 I am trying to enter timestamp using DateTimeField but in my entity i am having java.sql.timestamp . Converting datetimefield to timestamp is giving error ConversionClass package com.vaadin.convertor; import java.sql.Timestamp; import java.time.LocalDateTime; import com.vaadin.data.Converter; import com.vaadin.data.Result; import com.vaadin.data.ValueContext; @SuppressWarnings("serial") public class StringTimestampConvertor implements Converter<LocalDateTime, Timestamp> { @SuppressWarnings(

问题 I am trying to enter timestamp using DateTimeField but in my entity i am having java.sql.timestamp . Converting datetimefield to timestamp is giving error ConversionClass package com.vaadin.convertor; import java.sql.Timestamp; import java.time.LocalDateTime; import com.vaadin.data.Converter; import com.vaadin.data.Result; import com.vaadin.data.ValueContext; @SuppressWarnings("serial") public class StringTimestampConvertor implements Converter<LocalDateTime, Timestamp> { @SuppressWarnings(

问题 I need to find the difference between two timestamps in seconds using JOOQ . I have taken a look at some answers on StackOverflow using raw SQL, however i didn´t find a way to implement it using JOOQ. Here are some solutions that i found that are using raw SQL: Find difference between timestamps in seconds in PostgreSQL MySQL: how to get the difference between two timestamps in seconds 回答1: Use DSL.timestampDiff(timestamp1, timestamp2). It will return the difference in terms of an INTERVAL

问题 I have a table having three fields Id (Integer) - Unique, Open Date (Datetime), Close Date(DateTime): Id Open Date Close Date 1 2019-07-03 16:28:39.497 2019-07-04 16:28:39.497 2 2019-07-04 15:28:39.497 2019-07-05 19:28:39.497 …..N I want to calculate the all the timestamps between open date and close date with an interval of each minute. So the final output I want is like this: Id Open Date Close Date TimeStamp Range 1 2019-07-03 16:28:39.497 2019-07-04 16:28:39.497 2019-07-03 16:29:00.0000 1

问题 This question already has answers here : Is there a SQL function to expand table? (4 answers) Closed 12 days ago . I have a time-series starting from 2017-01-01 00:00:00 to the end of 2017-12-31 23:00:00 for 1-hour interval. I need to duplicate this 1-year timestamp for 2400 times in the same column. I need help about this one.. Row Date_time 1 2017-01-01 00:00:00 UTC 2 2017-01-01 01:00:00 UTC 3 2017-01-01 02:00:00 UTC 4 2017-01-01 03:00:00 UTC 5 2017-01-01 04:00:00 UTC 6 2017-01-01 05:00:00

问题 Background: I have an oracle table, the table doesn't have any specific column as timestamp while table creation script. This table can have millions of rows. Example: Employee {Emp_No, Name, Manager,Division, Role, Region} My quest: If any updates happened through a job on that table, can i know which all rows got updated. Does oracle have any internal timestamp for each row which i can leverage. Can i use it in query to get all records. Reason: I need to show my team those ambiguous records

问题 I have a .dat file that represents a Table in a database and has a particular column for timestamp values. Now the values are stored in the following way: - 978302039 I'm required to copy all the elements into another table, but I'm not sure if the column containing these values should be of int or timestamp . As far as I know, we store timestamp values in the following format: - 1000:09:12 00:00:00 But these values stored here don't look anything like that. Is there any internal

问题 I want to insert the current timestamp as datetime data type into sql server using Scala. So far I have tried this: import java.time.LocalDateTime import java.time.format.DateTimeFormatter var currentTimeStamp = LocalDateTime.now() val datetimeFormat = DateTimeFormatter.ofPattern("MM/dd/yyyy HH:mm a") var insertTimestamp = currentTimeStamp.format(datetimeFormat) myInsertStatement.setInt(1, insertTimestamp) This gives me insertTimestamp in the format "MM/dd/yyyy HH:mm a" but this is a string.