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read_parquet, read_csv and the other readers created their view with CREATE OR REPLACE, so reading into a name that was already in use silently swapped the definition under existing expressions. Create the view without OR REPLACE, as read_geo already does, so DuckDB raises instead. Fixes ibis-project#9199 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Description of changes
read_parquet, read_csv and the other readers created their view with
CREATE OR REPLACE, so reading into a name that was already in use
silently swapped the definition under existing expressions. Create the
view without OR REPLACE, as read_geo already does, so DuckDB raises
instead.
Issues closed
read_parquetand similar methods silently overwrite tables #9199This PR is a joint contribution from Nilanjan Chatterjee and Claude (Claude Opus 5.5, via Claude Code). Nilanjan chose the issue and directed the work; Claude reproduced the problem, wrote the change, its tests and this description.
Authored by Nilanjan Chatterjee (@nil68657).