Pre-validate duplicate columns in materialized view query #359
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Signed-off-by: Chen Dai <[email protected]>
dai-chen
requested review from
rupal-bq,
vamsimanohar,
penghuo,
seankao-az,
anirudha,
kaituo and
YANG-DB
as code owners
noCharger
approved these changes
Jun 6, 2024
| * MV query may be empty in the case of ALTER index statement. | ||
| */ | ||
| if (query.nonEmpty) { | ||
| val outputColNames = flint.spark.sql(query).schema.map(_.name) |
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just curious, this will infer the returned schema instead of actually run it.
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yes, for DQL, flint.spark.sql(query).show will trigger execution
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Description
Added pre-validation for duplicate check for output columns in materialized view query. The pre-validation
validateIndex()API was introduced in PR #297.Issues Resolved
#357
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