<p></p>
<blockquote>
<p dir="auto">I am worried though that people will just get into the habit of using <code class="notranslate">--force</code> and then it didn't buy us much.</p>
</blockquote>
<p dir="auto">I'm not too worried about other people's habits. 😄 Seriously though, I think if there's a good error message (Error: Cannot import because of existing data.  Run with <code class="notranslate">--force</code> to override) people will default to the "safe" approach especially if that's what the docs recommend.  It's easy enough to re-run and add the additional switch when force is needed.</p>
<blockquote>
<p dir="auto">I created this because I have been bitten twice already with this recently. ... So it is easy to clobber that table with an invalid osm2pgsql command line.</p>
</blockquote>
<p dir="auto">I ran into this exact problem in <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="1674034203" data-permission-text="Title is private" data-url="https://github.com/rustprooflabs/pgosm-flex/issues/313" data-hovercard-type="issue" data-hovercard-url="/rustprooflabs/pgosm-flex/issues/313/hovercard" href="https://github.com/rustprooflabs/pgosm-flex/issues/313">rustprooflabs/pgosm-flex#313</a>, I do like the default-safe option.  I think this type of protection is a good idea. However, if it's decided not to add this type of check I am also okay.  I run essentially all of my OSM imports via PgOSM Flex and have already added the protection I want there.  If it's added here, I just need to update to pass that new option along to osm2pgsql appropriately.</p>

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