Ensure that the value's type isn't SQLITE_NULL - return the given error as an Err.

Ensure that the value's type isn't SQLITE_NULL - otherwise call the error function and return as Err.

Given a raw argument, returns a parsed [`Argument`]. Should already by comma (?) delimited, typically sourced from [`VTabArguments`](crate::table::VTa

Low-level wrapper around a typical entrypoint to a SQLite extension. You shouldn't have to use this directly - the sqlite_entrypoint macro will do thi

Low-level wrapper around an entrypoint to a SQLite extension that loads permanently. You shouldn't have to use this directly - the sqlite_entrypoint_

Calls [`sqlite3_result_blob`](https://www.sqlite.org/c3ref/result_blob.html) to represent that a function returns a blob with the given value.

Calls [`result_int`] with `value=1` for true, or `value=0` for false.

Calls [`sqlite3_result_null`](https://www.sqlite.org/c3ref/result_blob.html) to represent that a function returns null with the given value.

[sqlite3_result_pointer](https://www.sqlite.org/bindptr.html)

Result the given value on the given sqlite3_context, while applying the proper affinity rules. It may instead result as an i32, i64, or f64 numberor d

<https://www.sqlite.org/vtab.html#the_xbegin_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xbestindex_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xclose_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xcolumn_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xcommit_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xconnect_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xcreate_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xdestroy_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xdisconnect_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xeof_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xfilter_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xfindfunction_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xnext_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xopen_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xrollback_method> TODO set error message properly

"A successful invocation of this method will cause *pRowid to be filled with the rowid of row that the virtual table cursor pCur is currently pointing

<https://www.sqlite.org/vtab.html#the_xsync_method> TODO set error message properly

<https://www.sqlite.org/vtab.html#the_xupdate_method> TODO set error message properly

** SQLite will invoke this method one or more times while planning a query ** that uses the generate_series virtual table. This routine needs to crea

** Destructor for a series_cursor. */

** Return values of columns for the row at which the series_cursor ** is currently pointing. */

** The seriesConnect() method is invoked to create a new ** series_vtab that describes the generate_series virtual table. ** ** Think of this routine

** This method is the destructor for series_cursor objects. */

** Return TRUE if the cursor has been moved off of the last ** row of output. */

** This method is called to "rewind" the series_cursor object back ** to the first row of output. This method is always called at least ** once prior

** Advance a series_cursor to its next row of output. */

** Constructor for a new series_cursor object. */

** Return the rowid for the current row. In this implementation, the ** first row returned is assigned rowid value 1, and each subsequent ** row a val

surround_rs(name)