yikf opened a new pull request #32589:
URL: https://github.com/apache/spark/pull/32589
### What changes were proposed in this pull request?
We should `return` directly if table already exist and ignoreIfExists=`true`
Current logic：
```
requireDbExists(db)
if (tableExists(newTableDefinition.identifier)) {
if (!ignoreIfExists) {
throw new TableAlreadyExistsException(db = db, table = table)
}
} else if (validateLocation) {
validateTableLocation(newTableDefinition)
}
externalCatalog.createTable(newTableDefinition, ignoreIfExists)
```
### Why are the changes needed?
this is a improve
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
exists now
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