datasette/datasette/utils/sqlite.py
Simon Willison 461670a0b8
Support for generated columns
* Support for generated columns, closes #1116
* Show SQLite version in pytest report header
* Use table_info() if SQLite < 3.26.0
* Cache sqlite_version() rather than re-calculate every time
* Adjust test_database_page for SQLite 3.26.0 or higher
2020-11-30 13:29:57 -08:00

28 lines
615 B
Python

try:
import pysqlite3 as sqlite3
except ImportError:
import sqlite3
if hasattr(sqlite3, "enable_callback_tracebacks"):
sqlite3.enable_callback_tracebacks(True)
_cached_sqlite_version = None
def sqlite_version():
global _cached_sqlite_version
if _cached_sqlite_version is None:
_cached_sqlite_version = _sqlite_version()
return _cached_sqlite_version
def _sqlite_version():
return tuple(
map(
int,
sqlite3.connect(":memory:")
.execute("select sqlite_version()")
.fetchone()[0]
.split("."),
)
)