- Introduction
- Quick Start
- Table Design
- Data Loading
- Data Export
- Using StarRocks
- Reference
- SQL Reference
- User Account Management
- Cluster Management
- ADMIN CANCEL REPAIR
- ADMIN CHECK TABLET
- ADMIN REPAIR
- ADMIN SET CONFIG
- ADMIN SET REPLICA STATUS
- ADMIN SHOW CONFIG
- ADMIN SHOW REPLICA DISTRIBUTION
- ADMIN SHOW REPLICA STATUS
- ALTER SYSTEM
- CANCEL DECOMMISSION
- CREATE FILE
- DROP FILE
- INSTALL PLUGIN
- SHOW BACKENDS
- SHOW BROKER
- SHOW FILE
- SHOW FRONTENDS
- SHOW FULL COLUMNS
- SHOW INDEX
- SHOW PLUGINS
- SHOW TABLE STATUS
- UNINSTALL PLUGIN
- DDL
- ALTER DATABASE
- ALTER TABLE
- ALTER VIEW
- BACKUP
- CANCEL BACKUP
- CANCEL RESTORE
- CREATE DATABASE
- CREATE INDEX
- CREATE MATERIALIZED VIEW
- CREATE REPOSITORY
- CREATE RESOURCE
- CREATE TABLE AS SELECT
- CREATE TABLE LIKE
- CREATE TABLE
- CREATE VIEW
- CREATE FUNCTION
- DROP DATABASE
- DROP INDEX
- DROP MATERIALIZED VIEW
- DROP REPOSITORY
- DROP RESOURCE
- DROP TABLE
- DROP VIEW
- DROP FUNCTION
- HLL
- RECOVER
- RESTORE
- SHOW RESOURCES
- SHOW FUNCTION
- TRUNCATE TABLE
- DML
- ALTER ROUTINE LOAD
- BROKER LOAD
- CANCEL LOAD
- DELETE
- EXPORT
- GROUP BY
- INSERT
- PAUSE ROUTINE LOAD
- RESUME ROUTINE LOAD
- ROUTINE LOAD
- SELECT
- SHOW ALTER
- SHOW BACKUP
- SHOW DATA
- SHOW DATABASES
- SHOW DELETE
- SHOW DYNAMIC PARTITION TABLES
- SHOW EXPORT
- SHOW LOAD
- SHOW PARTITIONS
- SHOW PROPERTY
- SHOW REPOSITORIES
- SHOW RESTORE
- SHOW ROUTINE LOAD
- SHOW ROUTINE LOAD TASK
- SHOW SNAPSHOT
- SHOW TABLES
- SHOW TABLET
- SHOW TRANSACTION
- SPARK LOAD
- STOP ROUTINE LOAD
- STREAM LOAD
- Data Type
- Auxiliary Commands
- Function Reference
- Date Functions
- Geographic Functions
- String Functions
- Aggregation Functions
- Bitmap Functions
- Array Functions
- cast function
- hash function
- Crytographic Functions
- Math Functions
- Utility Functions
- System variables
- Error code
- System limits
- SQL Reference
- Administration
- FAQ
- Deployment
- Data Migration
- SQL
- Others FAQs
- Benchmark
- Developers
- Contribute to StarRocks
- Code Style Guides
- Use the debuginfo file for debugging
- Development Environment
- Trace Tools
- Integration
Edit
from_unixtime
description
Syntax
DATETIME FROM_UNIXTIME(INT unix_timestamp[, VARCHAR string_format])
onvert the unix timestamp to the corresponding time format. The format returned should be specified by string_format.
The default format is yyyy-MM-dd HH:mm:ss. It also supports the formats in date_format.
It inputs integers and returns strings.
Currently, string_format supports the following formats:
%Y:Year e.g.:2014,1900
%m:Month e.g.:12,09
%d:Day e.g.:11,01
%H:Hour e.g.:23,01,12
%i:Minute e.g.:05,11
%s:Second e.g.:59,01
Other formats in string_format are invalid and be returned as NULL.
If the specified timstamp is less than 0 or more than 253402271999, it will be returned as NULL. The range for timestamp is: 1970-01-01 00:00:00 ~ 9999-12-31 23:59:59.
example
MySQL > select from_unixtime(1196440219);
+---------------------------+
| from_unixtime(1196440219) |
+---------------------------+
| 2007-12-01 00:30:19 |
+---------------------------+
MySQL > select from_unixtime(1196440219, 'yyyy-MM-dd HH:mm:ss');
+--------------------------------------------------+
| from_unixtime(1196440219, 'yyyy-MM-dd HH:mm:ss') |
+--------------------------------------------------+
| 2007-12-01 00:30:19 |
+--------------------------------------------------+
MySQL > select from_unixtime(1196440219, '%Y-%m-%d');
+-----------------------------------------+
| from_unixtime(1196440219, '%Y-%m-%d') |
+-----------------------------------------+
| 2007-12-01 |
+-----------------------------------------+
MySQL > select from_unixtime(1196440219, '%Y-%m-%d %H:%i:%s');
+--------------------------------------------------+
| from_unixtime(1196440219, '%Y-%m-%d %H:%i:%s') |
+--------------------------------------------------+
| 2007-12-01 00:30:19 |
+--------------------------------------------------+
keyword
FROM_UNIXTIME,FROM,UNIXTIME
Edit
In this article