On 11 Jan 2017, at 9:34pm, R Smith <[email protected]> wrote:
> Doesn't this already do the trick?
>
> SELECT a FROM t WHERE a = b COLLATE NOCASE;
Right. Better still, if you declare the columns as COLLATE NOCASE in the first
place, the comparison is done ignoring case without you having to state it in
the SELECT.
SQLite version 3.14.0 2016-07-26 15:17:14
Enter ".help" for usage hints.
sqlite> CREATE TABLE MyTable (nameCS TEXT, nameCI TEXT COLLATE NOCASE);
sqlite> INSERT INTO MyTable VALUES ('Albert','Albert');
sqlite> INSERT INTO MyTable VALUES ('Betty','Betty');
sqlite> SELECT * FROM MyTable WHERE nameCS='betty';
sqlite> SELECT * FROM MyTable WHERE nameCI='betty';
Betty|Betty
sqlite>
Statements like "I need a case-insensitive comparison function" for a database
engine worry me. They make me wonder why you didn’t define your schema
correctly in the first place.
Simon.
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