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fix: Database#execute_batch properly handles non-ASCII strings #526

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merged 1 commit into from Apr 20, 2024

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Fix a regression in v2.0.0 that caused Database#execute_batch to raise an encoding exception when passed some non-ASCII strings. As a result of this fix, Database#prepare now ensures the "remainder" string will always be encoded as UTF-8.

Closes #524

@@ -72,7 +72,7 @@ prepare(VALUE self, VALUE db, VALUE sql)
CHECK(db_ctx->db, status);
timespecclear(&db_ctx->stmt_deadline);

return rb_str_new2(tail);
return rb_utf8_str_new_cstr(tail);
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Would it be better to reuse the encoding of the original string?

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Regardless of the original encoding, the query ends up encoded as UTF-8 in Statement#initialize and the remainder string being returned from sqlite_prepare is also UTF-8.

This call isn't re-encoding anything, it's just telling Ruby that the C string is in fact UTF-8 (the default is otherwise ASCII-8BIT which is what led to the problem you reported).

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Ah, I see. Alright, thanks for fixing this!

Fix a regression in v2.0.0 that caused `Database#execute_batch` to
raise an encoding exception when passed some non-ASCII strings. As a
result of this fix, `Database#prepare` now ensures the "remainder"
string will always be encoded as UTF-8.

Closes #524
@flavorjones flavorjones merged commit 3ba4a15 into main Apr 20, 2024
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@flavorjones flavorjones deleted the 524-utf8-execute-batch branch April 20, 2024 02:43
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SQLite3::Database#execute_batch fails with non-ASCII characters
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