Reduce the time cost of getCatalogTable in jdbc

ruanwenjun · Nov 23, 2023 · b215943 · b215943
1 parent ed5eadc
commit b215943
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/...main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java b/...main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/catalog/AbstractJdbcCatalog.java
@@ -182,6 +182,7 @@ protected List<ConstraintKey> getConstraintKeys(
     protected List<ConstraintKey> getConstraintKeys(
             DatabaseMetaData metaData, String database, String schema, String table)
             throws SQLException {
+        // We set approximate to true to avoid querying the statistics table, which is slow.
         ResultSet resultSet = metaData.getIndexInfo(database, schema, table, false, false);
         // index name -> index
         Map<String, ConstraintKey> constraintKeyMap = new HashMap<>();