[3.10] gh-79579: Improve DML query detection in sqlite3 (GH-93623) (#93801)

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The fix involves using pysqlite_check_remaining_sql(), not only to check
for multiple statements, but now also to strip leading comments and
whitespace from SQL statements, so we can improve DML query detection.

pysqlite_check_remaining_sql() is renamed lstrip_sql(), to more
accurately reflect its function, and hardened to handle more SQL comment
corner cases.

(cherry picked from commit 46740073ef)

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Erlend Egeberg Aasland 2022-06-14 15:05:36 +02:00 • committed by GitHub

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commit 2229d34a6e

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