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| Multiple DataSource in a single Compute Node |
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| Bichu |
 Posted: Fri May 12, 2017 6:46 am Post subject: Multiple DataSource in a single Compute Node |
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Centurion
Joined: 16 Oct 2011
Posts: 124
Location: London
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HI Guys,
Can we have a single compute node configured with multiple data source names. In my requirement, I will identify the input message and based on that , I need to query the db. The query remains same but database server changes. Is there anyway to accomplish this in a single compute node?
I have 3 different DB's for this residing in 3 different servers. ALl are of type Oracle. |
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| Vitor |
| Posted: Fri May 12, 2017 7:24 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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Yes.
This question has been asked and answered before.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| missing_link |
| Posted: Fri May 12, 2017 7:26 am Post subject: |
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Acolyte
Joined: 08 Jan 2004
Posts: 60
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The docs for SELECT function state:
[quote]FROM clause FieldReferences can contain expressions of any kind (for example, Database.{DataSource}.{Schema}.Table1).
You can calculate a field, data source, schema, or table name at run time.[/quote]
So I assume that you evaluate and set the Datasource as appropriate at runtime in your ESQL. |
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