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Performing database operations in background thread
Devrath edited this page Jun 11, 2021
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- Database query operations take a long time to perform the background operations.
- There is the possibility that during this time UI thread may freeze and possibly it might crash.
- We can perform the operations by manually creating a separate thread. But
co-routines
are supported by theroom
that offers to thread. - We just add the
suspend
keyword and the threading is handled byroom
-
Flow
is an observable API. - When we update the table in the database. We get a new list once the database updated.
- It is a kind of observable design pattern.
- Basically it has two parts.
-
Flow
-> Producer Side. -
Flow Collector
-> Consumer Side.
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-
Ex
: consider we have a list of students in the database. We will add a new entry to the database. We don't need to fetch a new list of students, Flow enables us to perform this automatically.