THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
[
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progress record]:
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Proposed
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time:
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2022/04/29
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Discussion
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time:
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Acceptance
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time:
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Complete
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time:
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[issues]:
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https://github.com/apache/incubator-linkis/issues/2082
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Document the state by adding a label to the LKIP page with one of “discussion”, “accepted”, “released”, “rejected”.
[email]：
[release]:
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1.2.0
[proposer]:
Motivation & Background
The
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new
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features
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introduced
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by
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linkis
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in
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1.1.0.
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The
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management
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of
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data
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sources
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supports
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users
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to
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configure
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the
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relevant
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configuration
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of
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data
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source
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connections,
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and
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by
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using
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these
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connection
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configurations,
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create
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connections
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and
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query
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the
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metadata
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data
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of
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the
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corresponding
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library.
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Metadata
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service
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positioning
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for
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data
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sources
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is
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a
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query
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service
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that
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only
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provides
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metadata,
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and
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does
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not
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involve
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modifying
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metadata
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information.
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Therefore,
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the
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metadata
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query
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service
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module
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is
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named:
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linkis-metedata-manager-server
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with
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manager,
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which
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is
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easy
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to
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cause
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misunderstanding
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and
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does
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not
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match
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the
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function
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positioning.
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The
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optimization
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adjustment
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is
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manager->query,
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that
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is,
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linkis-metedata-query-server.
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At
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present,
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the
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SDK
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client
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LinkisMetaDataRemoteClient
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for
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metadata
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query
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uses
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the
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data
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source
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id
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to
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associate
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to
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obtain
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the
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configuration.
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For
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upstream
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users,
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the
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data
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source
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id
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attribute
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is
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the
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self-incrementing
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id
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of
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a
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data
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table,
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which
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is
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too
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abstract
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and
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has
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no
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actual
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specific
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meaning.
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It
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is
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recommended
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to
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optimize
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For
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association
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through
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the
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data
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source
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name
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parameter.
Basic concept
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- Data
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- source:
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- We
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- call
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- database
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- services
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- that
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- can
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- provide
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- data
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- storage
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- as
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- databases,
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- such
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- as
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- mysql/hive/kafka.
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- The
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- data
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- source
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- defines
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- the
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- configuration
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- information
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- for
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- connecting
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- to
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- the
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- actual
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- database.
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- The
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- configuration
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- information
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- is
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- mainly
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- the
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- address
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- required
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- for
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- the
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- connection
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- and
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- user
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- authentication
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- information.
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- ,
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- connection
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- parameters,
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- etc.
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- Metadata:
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- single
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- refers
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- to
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- the
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- metadata
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- of
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- the
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- database,
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- which
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- refers
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- to
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- the
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- data
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- that
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- defines
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- the
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- data
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- structure
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- and
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- the
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- data
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- of
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- various
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- object
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- structures
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- of
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- the
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- database.
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- For
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- example,
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- the
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- database
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- name,
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- table
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- name,
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- column
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- name,
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- field
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- length,
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- type
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- and
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- other
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- information
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- data
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- in
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- the
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- database.
Expect to achieve goals
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- Module
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- naming
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- adjustment
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- linkis-metedata-manager-server->linkis-metedata-query-server
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- Metadata
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- LinkisMetaDataRemoteClient
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- uses
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- the
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- key
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- input
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- parameter
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- to
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- adjust
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- from
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- the
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- data
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- source
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- id
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- to
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- the
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- data
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- source
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- name
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- name
Implementation plan
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- 1.
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- When
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- the
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- client
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- builds
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- the
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- request
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- entity
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- class
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- object,
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- the
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- original
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- dataSourceId
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- is
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- adjusted
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- to
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- the
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- name dataSourceName
- 2.
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- The
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- input
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- parameter
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- of
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- the
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- relevant
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- back-end
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- http
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- interface
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- is
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- adjusted
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- from
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- the
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- original
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- dataSourceId
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- to
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- dataSourceName,
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- and
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- the
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- data
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- source
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- configuration
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- is
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- queried
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- through
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- dataSourceName
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- to
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- connect
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- to
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- the
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- database
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Things
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to
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Consider
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&
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Note:
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- Do
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- you
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- need
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- to
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- consider
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- the
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- compatibility
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- of
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- the
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- original
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- parameter
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- method?
Changes
| Modification | Detail | ||
|---|---|---|---|
| 1 | Modification of maven module none | ||
| 2 | Modification of HTTP interfacenone | ||
| 3 | Modification of the client interface | none | |
| 4 | Modification of database table structurenone | ||
| 5 | Modification of configuration itemnone | ||
| 6 | Modification Error code | none | |
| 7 | Modifications for Third Party Dependenciesnone |
Compatibility, Deprecation, and Migration Plan
- What impact (if any) will there be on existing users?
- If we are changing behavior, how will we phase out the older behavior?
- If we require special migration tools, describe them here.
- When will we remove the existing behavior?