2018-03-21 6:24 GMT+01:00 Pavel Stehule <pavel.steh...@gmail.com>: > > > 2018-03-20 18:38 GMT+01:00 Pavel Stehule <pavel.steh...@gmail.com>: > >> Hi >> >> I am sending new update. The code is less ugly, and the current >> functionality is +/- final for first stage. It should be good enough for >> playing and testing this concept. >> >> What is supported: >> >> 1. scalar, composite and array variables >> 2. composite can be defined on place or some composite type can be used >> 3. variable, or any field of variable, can have defined default value >> 4. variable is database object - the access rights are required >> 5. the values are stored in binary form with defined typmod >> >> An usage is very simple: >> >> postgres=# create variable foo as numeric default 0; >> CREATE VARIABLE >> postgres=# select foo; >> ┌─────┐ >> │ foo │ >> ╞═════╡ >> │ 0 │ >> └─────┘ >> (1 row) >> >> postgres=# let foo = pi(); >> LET >> postgres=# select foo; >> ┌──────────────────┐ >> │ foo │ >> ╞══════════════════╡ >> │ 3.14159265358979 │ >> └──────────────────┘ >> (1 row) >> >> postgres=# create variable boo as (x numeric default 0, y numeric default >> 0); >> CREATE VARIABLE >> postgres=# let boo.x = 100; >> LET >> postgres=# select boo; >> ┌─────────┐ >> │ boo │ >> ╞═════════╡ >> │ (100,0) │ >> └─────────┘ >> (1 row) >> >> postgres=# select boo.x; >> ┌─────┐ >> │ x │ >> ╞═════╡ >> │ 100 │ >> └─────┘ >> (1 row) >> >> Please try it. >> > > small fix - support for SQL functions > >
the patch is in commit fest list https://commitfest.postgresql.org/18/1608/ Regards Pavel > >> Regards >> >> Pavel >> > >
