Trouble with Timestamp format '"dd-MM-yyyy HH:mm:ss"

[BEN SALEM Omar]

Hi,

I have trouble with the timestamp format required for elasticsearch.

I have data in my hadoop that I want to load into ES.
My date field was first as this : "EEE, dd MMM yyyy HH:mm:ss Z"

I've transformed that with talend like this :

<Loading Image...>



Now if I try to load my data into ES, it keeps on mapping it as a string
and not as a timestamp as it should be !

This is what I've done :

1)CREATE TABLE xx ( subject STRING, author string, sendingTime string)

ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t';


LOAD DATA INPATH '/user/hive/out.csv' OVERWRITE INTO TABLE mails;


2)CREATE EXTERNAL TABLE es_xx (subject string,author string, sendingTime
string)

STORED BY 'org.elasticsearch.hadoop.hive.EsStorageHandler'

TBLPROPERTIES('es.resource' = 'xx/xx',

'es.nodes'='xx',

'es.mapping.names' = 'date:@timestamp');



INSERT OVERWRITE TABLE es_xx SELECT s.subject, s.author, s.sendingTime
from xx s;

And this how it was mapped :

{"xx":{"mappings":{"xx":{"properties":{"author":{"type":"string"},"sendingtime":{"type":"string"},"subject":{"type":"string"}}}}}}



In another example I've transformed my date format like this yyyy-MM-ddTHH:mm:ssZ and that went good !

Is that the only format that ES accept? If so, that have to change !


What should I do to make ES recognize my date field as a timestamp?

If I do a static mapping and transform the sendingtime field into a timestamp, would it work? or the current format has to change?


Hope for a quick response, thanks you all,

best regards,

Omar,

[BEN SALEM Omar]

Post by BEN SALEM Omar
Hi,
I have trouble with the timestamp format required for elasticsearch.
I have data in my hadoop that I want to load into ES.
My date field was first as this : "EEE, dd MMM yyyy HH:mm:ss Z"
<https://lh3.googleusercontent.com/-rzoBkk29LMM/VSzY7w4kSFI/AAAAAAAAAHA/Uq3XtZEdsyI/s1600/Capture.PNG>
Now if I try to load my data into ES, it keeps on mapping it as a string
and not as a timestamp as it should be !
1)CREATE TABLE xx ( subject STRING, author string, sendingTime string)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t';
LOAD DATA INPATH '/user/hive/out.csv' OVERWRITE INTO TABLE mails;
2)CREATE EXTERNAL TABLE es_xx (subject string,author string, sendingTime
string)
STORED BY 'org.elasticsearch.hadoop.hive.EsStorageHandler'
TBLPROPERTIES('es.resource' = 'xx/xx',
'es.nodes'='xx',
INSERT OVERWRITE TABLE es_xx SELECT s.subject, s.author, s.sendingTime
from xx s;
{"xx":{"mappings":{"xx":{"properties":{"author":{"type":"string"},"sendingtime":{"type":"string"},"subject":{"type":"string"}}}}}}
In another example I've transformed my date format like this yyyy-MM-ddTHH:mm:ssZ and that went good !
Is that the only format that ES accept? If so, that have to change !
What should I do to make ES recognize my date field as a timestamp?
If I do a static mapping and transform the sendingtime field into a timestamp, would it work? or the current format has to change?
Hope for a quick response, thanks you all,
best regards,
Omar,

['BEN SALEM Omar' via elasticsearch]

I have transformed my field with talend to be like this
"yyyy-MM-ddTHH:mm:ssZ" and that went good !
Doesn't ES accept another format? other than the one above?

Hi,
I'm not sure if it will fix your problem but you could try the type
TIMESTAMP for your sendingTime field.
TIMESTAMP type is equivalent to the date elasticsearch type according to
http://www.elastic.co/guide/en/elasticsearch/hadoop/current/hive.html

Post by BEN SALEM Omar
Hi,
I have trouble with the timestamp format required for elasticsearch.
I have data in my hadoop that I want to load into ES.
My date field was first as this : "EEE, dd MMM yyyy HH:mm:ss Z"
<https://lh3.googleusercontent.com/-rzoBkk29LMM/VSzY7w4kSFI/AAAAAAAAAHA/Uq3XtZEdsyI/s1600/Capture.PNG>
Now if I try to load my data into ES, it keeps on mapping it as a string
and not as a timestamp as it should be !
1)CREATE TABLE xx ( subject STRING, author string, sendingTime string)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t';
LOAD DATA INPATH '/user/hive/out.csv' OVERWRITE INTO TABLE mails;
2)CREATE EXTERNAL TABLE es_xx (subject string,author string, sendingTime
string)
STORED BY 'org.elasticsearch.hadoop.hive.EsStorageHandler'
TBLPROPERTIES('es.resource' = 'xx/xx',
'es.nodes'='xx',
INSERT OVERWRITE TABLE es_xx SELECT s.subject, s.author, s.sendingTime
from xx s;
{"xx":{"mappings":{"xx":{"properties":{"author":{"type":"string"},"sendingtime":{"type":"string"},"subject":{"type":"string"}}}}}}
In another example I've transformed my date format like this yyyy-MM-ddTHH:mm:ssZ and that went good !
Is that the only format that ES accept? If so, that have to change !
What should I do to make ES recognize my date field as a timestamp?
If I do a static mapping and transform the sendingtime field into a timestamp, would it work? or the current format has to change?
Hope for a quick response, thanks you all,
best regards,
Omar,
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[Costin Leau]

Hi,

There are several components at play here and it's worth understanding
which one does what.

1. Elasticsearch offers quite a number of options for dealing with Date
objects as explained in the docs [1]. Note this options need to be defined
before-hand on your index otherwise (or through an index template)
otherwise the index will be created using the default options which might
not be what you want. Note that all these formats are variations of ISO
8601 standard.

2. Es-Hadoop tries to be smart and convert Date objects from the Hadoop
library used to Elasticsearch and back. It does that based on the mapping
used (where available). In Hive's case, if a column is of type Timestamp it
will serialize/deserialize the data as a Date. If it's not (as in your
case) it will simply pass the data as is.
In other words, if you want the Date to be stored as a String and mapping
it as a String, it will be returned as a String. This is handy since it
allows the user to handle the conversion himself.

3. Use Longs
Where possible, instead of using Strings for dates, it's better to use
longs. Elasticsearch can use them instead - not only they are more
efficient but also easier to handle and convert on the client side than
String formats.

Hope this helps,

[1]
http://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-date-format.html

On Tue, Apr 14, 2015 at 6:24 PM, 'BEN SALEM Omar' via elasticsearch <

Post by 'BEN SALEM Omar' via elasticsearch
I have transformed my field with talend to be like this
"yyyy-MM-ddTHH:mm:ssZ" and that went good !
Doesn't ES accept another format? other than the one above?

Hi,
I'm not sure if it will fix your problem but you could try the type
TIMESTAMP for your sendingTime field.
TIMESTAMP type is equivalent to the date elasticsearch type according to
http://www.elastic.co/guide/en/elasticsearch/hadoop/current/hive.html

Post by BEN SALEM Omar
Hi,
I have trouble with the timestamp format required for elasticsearch.
I have data in my hadoop that I want to load into ES.
My date field was first as this : "EEE, dd MMM yyyy HH:mm:ss Z"
<https://lh3.googleusercontent.com/-rzoBkk29LMM/VSzY7w4kSFI/AAAAAAAAAHA/Uq3XtZEdsyI/s1600/Capture.PNG>
Now if I try to load my data into ES, it keeps on mapping it as a
string and not as a timestamp as it should be !
1)CREATE TABLE xx ( subject STRING, author string, sendingTime string)
ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t';
LOAD DATA INPATH '/user/hive/out.csv' OVERWRITE INTO TABLE mails;
2)CREATE EXTERNAL TABLE es_xx (subject string,author string,
sendingTime string)
STORED BY 'org.elasticsearch.hadoop.hive.EsStorageHandler'
TBLPROPERTIES('es.resource' = 'xx/xx',
'es.nodes'='xx',
INSERT OVERWRITE TABLE es_xx SELECT s.subject, s.author, s.sendingTime
from xx s;
{"xx":{"mappings":{"xx":{"properties":{"author":{"type":"string"},"sendingtime":{"type":"string"},"subject":{"type":"string"}}}}}}
In another example I've transformed my date format like this yyyy-MM-ddTHH:mm:ssZ and that went good !
Is that the only format that ES accept? If so, that have to change !
What should I do to make ES recognize my date field as a timestamp?
If I do a static mapping and transform the sendingtime field into a timestamp, would it work? or the current format has to change?
Hope for a quick response, thanks you all,
best regards,
Omar,
--

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