Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread dean gwilliam
Again, thank you for your advice. ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread Kees Nuyt
On Thu, 26 Dec 2013 11:59:10 +, dean gwilliam wrote: >Thank you all for your helpful advice. An alternative is PRAGMA table_info(yourtable); http://sqlite.org/pragma.html#pragma_table_info It resturns a result set, one row per column in yourtable. -- Groet, Cordialement, Pozdrawiam, Reg

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread dean gwilliam
Thank you all for your helpful advice. ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread RSmith
This is actually awesome to know, thanks Stephen, I always thought at least 1 step is needed - I'm going to immediately implement this in some functions! On 2013/12/26 13:30, Stephan Beal wrote: There are probably a few approaches that would work, but I can think of none quicker/more efficien

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread Stephan Beal
On Thu, Dec 26, 2013 at 12:21 PM, RSmith wrote: > There are probably a few approaches that would work, but I can think of > none quicker/more efficient than maintaining a list of column names > ("SELECT * from t WHERE 1 LIMIT 1" will produce it real quick) If you want JUST the column names, you

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread RSmith
A field name is an identifier, not just a string, so mostly it can be done in a direct SQL statement since the very idea of a select is that you must at least know what you are selecting for... That said, in MySQL / PostGres (for instance) can query the schema tables where a list of all fields a

Re: [sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread Petite Abeille
On Dec 26, 2013, at 11:49 AM, dean gwilliam wrote: > ...is this possible or should I return the whole lot and subject it to a > regexp filter to get my cut-down list? http://www.sqlite.org/lang_expr.html#like ___ sqlite-users mailing list sqlite-use

[sqlite] select only records with fields that BEGIN with a certain sub-string

2013-12-26 Thread dean gwilliam
...is this possible or should I return the whole lot and subject it to a regexp filter to get my cut-down list? Any advice much appreciated and BTWmerry Christmas to you all! ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:80