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Use REAL not FLOAT as SQLite column type (#680)

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* Use REAL not FLOAT as SQLite column type, refs #645
* Fix for REAL columns by CSV --detect-types

Refs https://github.com/simonw/sqlite-utils/issues/645#issuecomment-3568947189

* Removed note about strict and REAL
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Simon Willison 2025-11-23 21:37:59 -08:00 • committed by GitHub
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docs/cli.rst
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@ -1247,7 +1247,7 @@ To stop inserting after a specified number of records - useful for getting a fas
A progress bar is displayed when inserting data from a file. You can hide the progress bar using the ``--silent`` option.
By default every column inserted from a CSV or TSV file will be of type ``TEXT``. To automatically detect column types - resulting in a mix of ``TEXT``, ``INTEGER`` and ``FLOAT`` columns, use the ``--detect-types`` option (or its shortcut ``-d``).
By default every column inserted from a CSV or TSV file will be of type ``TEXT``. To automatically detect column types - resulting in a mix of ``TEXT``, ``INTEGER`` and ``REAL`` columns, use the ``--detect-types`` option (or its shortcut ``-d``).
For example, given a ``creatures.csv`` file containing this:
@ -1274,7 +1274,7 @@ Will produce this schema:
CREATE TABLE "creatures" (
"name" TEXT,
"age" INTEGER,
"weight" FLOAT
"weight" REAL
);
You can set the ``SQLITE_UTILS_DETECT_TYPES`` environment variable if you want ``--detect-types`` to be the default behavior:
@ -1589,7 +1589,7 @@ This will result in the following schema:
CREATE TABLE "images" (
"path" TEXT PRIMARY KEY,
"md5" TEXT,
"mtime" FLOAT
"mtime" REAL
);
Note that there's no ``content`` column here at all - if you specify custom columns using ``-c`` you need to include ``-c content`` to create that column.
@ -1888,8 +1888,8 @@ The type of the returned values will be taken into account when creating the new
CREATE TABLE "places" (
"location" TEXT,
"latitude" FLOAT,
"longitude" FLOAT
"latitude" REAL,
"longitude" REAL
);
The code function can also return ``None``, in which case its output will be ignored. You can drop the original column at the end of the operation by adding ``--drop``.