ALTER TABLE ADD COLUMN IF NOT EXISTS in SQLite

Question

We\'ve recently had the need to add columns to a few of our existing SQLite database tables. This can be done with ALTER TABLE ADD COLUMN. Of course, if the table has alre

Answer 1

For those want to use pragma table_info()'s result as part of a larger SQL.

select count(*) from
pragma_table_info('')
where name='';

The key part is to use pragma_table_info('') instead of pragma table_info('').

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This answer is inspired by @Robert Hawkey 's reply. The reason I post it as a new answer is I don't have enough reputation to post it as comment.