Jerry Krinock wrote:
Is there any way to get a list of all column names in a table via the
C API, which works even when there are no data rows in the table?
Jerry,
You can get the column names for any query, including a "select * from
table", using the prepared statement APIs.
After you prepare a query using sqlite3_prepare(), you can call
sqlite3_column_count() to get the number of columns that will be
returned, and then loop calling sqlite3_column_name() to get the columns
names. Note, you do *not* need to execute the query to get this
information, so it doesn't matter if the table is empty or not. After
you have the column names you can simply finalize the prepared statement.
See http://www.sqlite.org/c3ref/prepare.html,
http://www.sqlite.org/c3ref/column_count.html, and
http://www.sqlite.org/c3ref/column_name.html for more details.
HTH
Dennis cote
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