GitHub user chunhui-shi opened a pull request:
https://github.com/apache/drill/pull/795
DRILL-5089: Get only partial schemas of relevant storage plugins instâ¦
â¦ead of all storages ahead.
1. For each query, rootSchema is empty, add schemas of a storage plugin
only when needed -- when asked for a schemaPath.
2. Allow mock environments to provide dynamic schemas.
3. SchemaUtils.findSchema used in many Sql handlers now is handled by
SqlConverter.catalog to allow expand schema dynamically
4. Temp table resolve also could not take a schema tree and assume it is
complete.
NOTE: pom.xml in this pull request is pointing to temporary calcite versoin
'r20-test', this should change to 'r20' once this pull request is ready to
commit
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/chunhui-shi/drill DRILL-5089
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/795.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #795
----
commit 4814e37eefd16ee7aa1ba6d21d66211e41922dbf
Author: chunhui-shi <c...@maprtech.com>
Date: 2017-01-06T09:13:02Z
DRILL-5089: Get only partial schemas of relevant storage plugins instead of
all storages ahead.
1. For each query, rootSchema is empty, add schemas of a storage plugin
only when needed -- when asked for a schemaPath.
2. Allow mock environments to provide dynamic schemas.
3. SchemaUtils.findSchema used in many Sql handlers now is handled by
SqlConverter.catalog to allow expand schema dynamically
4. Temp table resolve also could not take a schema tree and assume it is
complete.
NOTE: pom.xml in this pull request is pointing to temporary calcite versoin
'r20-test', this should change to 'r20' once this pull request is ready to
commit
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