911992

suprisingly! index are started from 1 in pgpsql when it's about arrays!, I just realize it, while i was debuging a plpsql func

An more suprising stuff is about NULL when accessing out-of-bound index of an array, well I was expecting errors!

with arr as(
  select array[911,992]::int[] as arr
)
select arr[1] from arr /*returns 911*/
union all

As normal array types in pgsql are started at index 1, but suprisingly, the TG_ARGV input arg for triggers are zero indexed!

This is becasue the TG_ARGV were defined to be indexed from zero

Considering following example!

create table x(
	_id serial,
	_val int

Related to umlet#515

First shared attribs (either public/grouped) must be defined, to do so:

Simply select the working diagram(also works for pallets)(not an element, e.g. a blank space in diagram)
Start the shared public/grouped definition using [includes]
- Any line after [includes] will be assumed as public attribs(all elements will grab it, at the first line of each)
- For specifying a group, do it using leading # char, like #blues
  - any line after #blues will be assigned for group blues
Hint: # char could be escaped using \#

All elements with fg=blue

//the diagram properties
[includes]
bg=blue

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	Created on: Oct 10, 2020 12:43:02 PM

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