dailai commented on code in PR #7261:
URL: https://github.com/apache/seatunnel/pull/7261#discussion_r1694773452
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seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java:
##########
@@ -277,15 +285,24 @@ public List<String> listDatabases() throws
CatalogException {
@Override
public boolean databaseExists(String databaseName) throws CatalogException
{
- checkArgument(StringUtils.isNotBlank(databaseName));
-
- return listDatabases().contains(databaseName);
+ if (StringUtils.isBlank(databaseName)) {
+ return false;
+ }
+ if (!SYS_DATABASES.isEmpty() && SYS_DATABASES.contains(databaseName)) {
+ return false;
+ }
+ return queryExists(
+ getUrlFromDatabaseName(databaseName),
getDatabaseWithConditionSql(databaseName));
Review Comment:
> But if the user adds a custom Catalog, it needs to be re-adapted. This is
my concern.
I think the old way is a wrong way to use, should be abandoned, if the user
needs to customize the catalog should be a need to consider this issue.
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