yujun777 opened a new pull request, #67339:
URL: https://github.com/apache/doris/pull/67339
### What problem does this PR solve?
Issue Number: DORIS-28321
Problem Summary:
`information_schema.view_dependency` re-parses each view definition to
collect
its base tables. When a view references a table that no longer exists
(dangling view), the parse throws an exception and the whole metadata query
fails instead of skipping the bad view.
For example, after `CREATE VIEW v1 AS SELECT * FROM t1; DROP TABLE t1;`,
`SELECT * FROM information_schema.view_dependency` fails with
`Table [t1] does not exist in database [xxx]`.
### How to test this PR?
1. Create a database, a base table, and a view on top of it.
2. Drop the base table (the view becomes dangling).
3. Query `information_schema.view_dependency`: before the fix the query fails
entirely; after the fix it succeeds, the dangling view is skipped with a
WARN log, and normal views are still returned.
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