Fix a issue with CI_DB_pdo_result::num_rows()

In case of SELECT queries PDOStatement::rowCount doesn't work as expected. This commit
makes it returns the expected value.
2 files changed
tree: 9fa2ee9417387f5cf4bf0f108dcce25f69f0f8c2
  1. .gitignore
  2. application/
  3. index.php
  4. license.txt
  5. system/
  6. user_guide/