Todd Lipcon created IMPALA-8509:
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Summary: Data load schema generation should lazily evaluate shell
substitutions
Key: IMPALA-8509
URL: https://issues.apache.org/jira/browse/IMPALA-8509
Project: IMPALA
Issue Type: Improvement
Components: Infrastructure
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Some of the data loading commands (testescape_* tables in particular) use shell
statements to execute. These are evaluated by the 'eval_section' function in
generate-schema-statements.py. However, the 'eval_section' call was eagerly
evaluated even if the table already existed, which makes
'generate-schema-statements' quite slow on every run.
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