Hisoka-X commented on code in PR #7261:
URL: https://github.com/apache/seatunnel/pull/7261#discussion_r1694796297
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seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java:
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@@ -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:
The old Catalog doesn't implement `getDatabaseWithConditionSql` method. So
when invoke this method, the `UnsupportedOperationException` would be throwed.
The difference is that the user need or no need to modify the code
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