Re: [HACKERS] varchar_transform

2014-02-25 Thread Robert Haas
On Mon, Feb 24, 2014 at 2:11 AM, Mohsen SM wrote: > when did use varchar_transform function? > src/backend/uitls/adt/varchar.c. The main point of that machinery is that if you do something like ALTER TABLE zot ALTER COLUMN thunk SET DATA TYPE varchar(30) on a column that is currently varchar(20),

[HACKERS] varchar_transform

2014-02-23 Thread Mohsen SM
when did use varchar_transform function? src/backend/uitls/adt/varchar.c.