Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/600#discussion_r32583451
--- Diff:
tajo-catalog/tajo-catalog-server/src/main/java/org/apache/tajo/catalog/store/XMLCatalogSchemaManager.java
---
@@ -344,6 +345,16 @@ public void upgradeBaseSchema(Connection conn, int
currentVersion) {
CatalogUtil.closeQuietly(stmt);
}
+ public boolean catalogAlreadyExists(Connection conn) throws
CatalogException {
+ boolean result = false;
+ try {
+ result = checkExistence(conn, DatabaseObjectType.TABLE,
CatalogConstants.TB_META);
--- End diff --
I think that every database object should be checked.
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