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ASF GitHub Bot commented on IGNITE-9606: ---------------------------------------- Github user pavel-kuznetsov closed the pull request at: https://github.com/apache/ignite/pull/4906 > JDBC getPrimaryKeys() returns wrong value for COLUMN_NAME > --------------------------------------------------------- > > Key: IGNITE-9606 > URL: https://issues.apache.org/jira/browse/IGNITE-9606 > Project: Ignite > Issue Type: Bug > Components: jdbc > Affects Versions: 2.6 > Reporter: Pat Patterson > Assignee: Pavel Kuznetsov > Priority: Major > Fix For: 2.8 > > > JDBC {{getPrimaryKeys()}} method returns {{_KEY}} as column name rather than > actual column name. This breaks apps that expect a valid column name as the > primary key. > Trivially reproducible: > {noformat} > public static void main(String[] args) throws Exception { > // Register JDBC driver. > Class.forName("org.apache.ignite.IgniteJdbcThinDriver"); > // Open JDBC connection. > try (Connection conn = > DriverManager.getConnection("jdbc:ignite:thin://127.0.0.1/")) { > // Create database tables. > try (Statement stmt = conn.createStatement()) { > stmt.executeUpdate("CREATE TABLE TESTER (" + " ID LONG PRIMARY KEY, > NAME VARCHAR) " + " WITH \"template=replicated\""); > } > // Get database metadata > DatabaseMetaData md = conn.getMetaData(); > // Get primary keys > ResultSet rs = md.getPrimaryKeys(conn.getCatalog(), "", "TESTER"); > // > while (rs.next()) { > // Column 4 is COLUMN_NAME > System.out.println("Primary key column is " + rs.getString(4)); > } > } > } > {noformat} > Expected output is: > {noformat} > Primary key column is ID > {noformat} > Actual output is: > {noformat} > Primary key column is _KEY > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)