ENH: Map pandas integer to optimal SQLAlchemy integer type (GH35076) #38548
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avinashpancham force-pushed the GH35076 branch from d3ad26e to b0372fa Compare 
| Note for future reference: On windows numpy 1.16 |
mroeschke reviewed Dec 20, 2020
mroeschke reviewed Dec 20, 2020
doc/source/whatsnew/v1.3.0.rst Outdated
| - Allow custom error values for parse_dates argument of :func:`read_sql`, :func:`read_sql_query` and :func:`read_sql_table` (:issue:`35185`) | ||
| - Bug in :func:`to_hdf` raising ``KeyError`` when trying to apply | ||
| for subclasses of ``DataFrame`` or ``Series`` (:issue:`33748`). | ||
| - Bug in :func:`_sqlalchemy_type` that mapped pandas integer types to non-optimal SQLAlchemy integer types (:issue:`35076`) |
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This should be an enhancement and should just mention that impacts to_sql
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Thanks, updated it
avinashpancham changed the title mroeschke approved these changes Dec 21, 2020
| Mind fixing the merge conflict @avinashpancham? |
jreback approved these changes Dec 23, 2020
| Sure, updated it. |
| @mroeschke CI is greenish, only Travis gives an error due to other reasons. |
| Thanks @avinashpancham |
luckyvs1 pushed a commit to luckyvs1/pandas that referenced this pull request Jan 20, 2021
…andas-dev#38548) * BUG: Map pandas integer to optimal SQLAlchemy integer type (GH35076) * Add conditional for default 32/64 bit integer size * Check precision of int dtype * Add whatsnew entry * Update whatsnew
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black pandasgit diff upstream/master -u -- "*.py" | flake8 --diff