Github user babokim commented on a diff in the pull request:
https://github.com/apache/tajo/pull/145#discussion_r18328539
--- Diff:
tajo-client/src/main/java/org/apache/tajo/jdbc/TajoResultSetMetaData.java ---
@@ -112,7 +113,7 @@ public int getScale(int column) throws SQLException {
@Override
public String getSchemaName(int column) throws SQLException {
- throw new SQLFeatureNotSupportedException("getSchemaName not
supported");
+ return "";
--- End diff --
I also checked PostgreSQL jdbc driver. PostgreSQL returns a empty string.
https://github.com/pgjdbc/pgjdbc/blob/master/org/postgresql/jdbc2/AbstractJdbc2ResultSetMetaData.java
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