fix: postgres driver from node.js

Fixed issue #1630

Author: lvca

postgresw/src/main/java/com/arcadedb/postgres/PostgresNetworkExecutor.java

@@ -646,9 +646,25 @@ private void bindCommand() {
           final byte[] paramValue = new byte[(int) paramSize];
           channel.readBytes(paramValue);
 
-          portal.parameterValues.add(//
-              PostgresType.deserialize(portal.parameterTypes.get(i), portal.parameterFormats.get(i), paramValue)//
-          );
+          // Determine format code according to PostgreSQL protocol:
+          // - If paramFormatCount == 0: all parameters use text format (0)
+          // - If paramFormatCount == 1: all parameters use that single format code
+          // - Otherwise: each parameter uses its corresponding format code
+          final int formatCode;
+          if (portal.parameterFormats == null || portal.parameterFormats.isEmpty()) {
+            formatCode = 0; // Default to text format
+          } else if (portal.parameterFormats.size() == 1) {
+            formatCode = portal.parameterFormats.get(0); // Single format for all
+          } else {
+            formatCode = portal.parameterFormats.get(i); // Per-parameter format
+          }
+
+          // Determine type code - use UNSPECIFIED (0) if not declared in PARSE
+          final long typeCode = (portal.parameterTypes != null && i < portal.parameterTypes.size())
+              ? portal.parameterTypes.get(i)
+              : 0L; // UNSPECIFIED type
+
+          portal.parameterValues.add(PostgresType.deserialize(typeCode, formatCode, paramValue));
         }
       }
 

postgresw/src/test/java/com/arcadedb/postgres/PostgresWJdbcIT.java

@@ -734,6 +734,34 @@ void floatArrayPropertyRoundTrip() throws SQLException, ClassNotFoundException {
     }
   }
 
+  /**
+   * Issue <a href="https://github.com/ArcadeData/arcadedb/issues/1630">...</a>
+   * "Error on parsing bind message: null" when using node-postgres driver
+   *
+   * This test verifies that parameterized SELECT queries work correctly.
+   */
+  @Test
+  void selectWithParameterizedQuery() throws Exception {
+    try (var conn = getConnection()) {
+      try (var st = conn.createStatement()) {
+        st.execute("CREATE DOCUMENT TYPE User");
+        st.execute("INSERT INTO User SET id = 'test', name = 'Test User'");
+        st.execute("INSERT INTO User SET id = 'other', name = 'Other User'");
+      }
+
+      // This is similar to the node-postgres query: pool.query('select from User where id=$1',['test'])
+      try (var pst = conn.prepareStatement("SELECT FROM User WHERE id = ?")) {
+        pst.setString(1, "test");
+        try (var rs = pst.executeQuery()) {
+          assertThat(rs.next()).isTrue();
+          assertThat(rs.getString("id")).isEqualTo("test");
+          assertThat(rs.getString("name")).isEqualTo("Test User");
+          assertThat(rs.next()).isFalse();
+        }
+      }
+    }
+  }
+
   @Test
   void arrayOfFloatsPropertyRoundTrip() throws SQLException, ClassNotFoundException {
     try (var conn = getConnection()) {