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https://issues.apache.org/jira/browse/DRILL-3253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14632080#comment-14632080
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Jacques Nadeau commented on DRILL-3253:
---------------------------------------
Please note, there is already a MockStorageEngine. It sounds like you'd like
to extend this for SQL purposes. Alternatively, you could use the VALUES
operator. For example:
{code}
SELECT * FROM (VALUES (1, 2), (3, 4), (5, 6), (7, 8), (9, 10) ) AS MyTable(a,
b);
{code}
> Add test/mock storage plugin providing columns of all data types for testing
> metadata (etc.)
> --------------------------------------------------------------------------------------------
>
> Key: DRILL-3253
> URL: https://issues.apache.org/jira/browse/DRILL-3253
> Project: Apache Drill
> Issue Type: Bug
> Components: Client - JDBC, Storage - Information Schema, Tools,
> Build & Test
> Reporter: Daniel Barclay (Drill)
> Assignee: Daniel Barclay (Drill)
> Fix For: 1.2.0
>
>
> There probably should be a test/dummy/mock storage plugin that provides an
> easy way to have views and/or tables with columns covering all* supported
> data types.
> (*for appropriate values of "all"--all top-level cases (atomic types (e.g.,
> INTEGER, VARCHAR(...))); some, but obviously not all, subcases (e.g.,
> VARCHAR(1) vs. VARCHAR(2), INTEGER ARRAY vs. INTEGER ARRAY ARRAY)).
> This would allow more-complete and/or easier testing of things such as
> INFORMATION_SCHEMA.COLUMNS and DatabaseMetaData.getColumns(...).
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