[refactor](jni) unified jni framework for jdbc catalog (apache#26317)

This commit overhauls the JDBC connector logic within our project, transitioning from the previous mechanism of fetching data through JNI calls for individual ResultSet items to a more efficient and unified approach using the VectorTable data structure.

be/src/vec/exec/scan/new_jdbc_scanner.cpp

@@ -171,25 +171,13 @@ Status NewJdbcScanner::_get_block_impl(RuntimeState* state, Block* block, bool*
         return Status::OK();
     }
 
-    auto column_size = _tuple_desc->slots().size();
-    std::vector<MutableColumnPtr> columns(column_size);
-    bool mem_reuse = block->mem_reuse();
     // only empty block should be here
     DCHECK(block->rows() == 0);
 
     do {
         RETURN_IF_CANCELLED(state);
 
-        columns.resize(column_size);
-        for (auto i = 0; i < column_size; i++) {
-            if (mem_reuse) {
-                columns[i] = std::move(*block->get_by_position(i).column).mutate();
-            } else {
-                columns[i] = _tuple_desc->slots()[i]->get_empty_mutable_column();
-            }
-        }
-
-        RETURN_IF_ERROR(_jdbc_connector->get_next(&_jdbc_eos, columns, block, state->batch_size()));
+        RETURN_IF_ERROR(_jdbc_connector->get_next(&_jdbc_eos, block, state->batch_size()));
 
         if (_jdbc_eos == true) {
             if (block->rows() == 0) {
@@ -199,18 +187,6 @@ Status NewJdbcScanner::_get_block_impl(RuntimeState* state, Block* block, bool*
             break;
         }
 
-        // Before really use the Block, must clear other ptr of column in block
-        // So here need do std::move and clear in `columns`
-        if (!mem_reuse) {
-            int column_index = 0;
-            for (const auto slot_desc : _tuple_desc->slots()) {
-                block->insert(ColumnWithTypeAndName(std::move(columns[column_index++]),
-                                                    slot_desc->get_data_type_ptr(),
-                                                    slot_desc->col_name()));
-            }
-        } else {
-            columns.clear();
-        }
         VLOG_ROW << "NewJdbcScanNode output rows: " << block->rows();
     } while (block->rows() == 0 && !(*eof));
     return Status::OK();