[GitHub] [inlong] healchow commented on a diff in pull request #6979: [INLONG-6978][Sort] get PG primary keys from connection query db

[GitBox]

healchow commented on code in PR #6979:
URL: https://github.com/apache/inlong/pull/6979#discussion_r1052902335


##########
inlong-sort/sort-connectors/jdbc/src/main/java/org/apache/inlong/sort/jdbc/dialect/PostgresDialect.java:
##########
@@ -137,4 +146,71 @@ public List<LogicalTypeRoot> unsupportedTypes() {
                 LogicalTypeRoot.SYMBOL,
                 LogicalTypeRoot.UNRESOLVED);
     }
+
+    @Override
+    public List<String> getAndSetPkNamesFromDb(String tableIdentifier, 
JdbcOptions jdbcOptions) {
+        PreparedStatement st = null;
+        try {
+            JdbcOptions jdbcExecOptions =
+                    JdbcOptions.builder()
+                            .setDBUrl(jdbcOptions.getDbURL() + "/"
+                                    + 
JdbcMultiBatchingComm.getTDbNameFromIdentifier(tableIdentifier))
+                            
.setTableName(JdbcMultiBatchingComm.getTbNameFromIdentifier(tableIdentifier))
+                            .setDialect(jdbcOptions.getDialect())
+                            .setParallelism(jdbcOptions.getParallelism())
+                            
.setConnectionCheckTimeoutSeconds(jdbcOptions.getConnectionCheckTimeoutSeconds())
+                            .setDriverName(jdbcOptions.getDriverName())
+                            .setUsername(jdbcOptions.getUsername().orElse(""))
+                            .setPassword(jdbcOptions.getPassword().orElse(""))
+                            .build();
+            SimpleJdbcConnectionProvider tableConnectionProvider = new 
SimpleJdbcConnectionProvider(jdbcExecOptions);
+            Connection conn = 
tableConnectionProvider.getOrEstablishConnection();
+            String query = "SELECT\n" +

Review Comment:
   Suggest extract to a global string.



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