kidd

D create table test as SELECT i as i ,random() as r, i%4 as gr from generate_series(1,100) t(i);

D select * from test;
┌───────┬──────────────────────┬───────┐
│   i   │          r           │  gr   │
│ int64 │        double        │ int64 │
├───────┼──────────────────────┼───────┤
│     1 │  0.14984029697949075 │     1 │
│     2 │  0.20274345139105418 │     2 │
│     3 │  0.07478489612107744 │     3 │

kidd

SELECT
    r.table_name
FROM information_schema.constraint_column_usage       u
INNER JOIN information_schema.referential_constraints fk
           ON u.constraint_catalog = fk.unique_constraint_catalog
               AND u.constraint_schema = fk.unique_constraint_schema
               AND u.constraint_name = fk.unique_constraint_name
INNER JOIN information_schema.key_column_usage        r
           ON r.constraint_catalog = fk.constraint_catalog
               AND r.constraint_schema = fk.constraint_schema

kidd

# deps jq curl 'http httpie'
deps() {
  for dep in "$@"; do
    read cmd package <<<"$dep"
    package=${package:-$cmd}
    mute which "$cmd" ||
      apt install -y $package ||
      exit 1
  done
}

kidd

#!/bin/bash

pg_conf_file=/var/lib/postgresql/data/postgresql.conf

echo "\
log_statement = 'all'
log_disconnections = off
log_duration = on
log_min_duration_statement = -1
shared_preload_libraries = 'pg_stat_statements'

kidd

def testing(fname):
    print(fname)

cmds = { "testing": testing }

if __name__ == "__main__":
    cmds[sys.argv[1]](*sys.argv[2:])

kidd

ropsql() {
  PSQLRC=<(
    cat ~/.psqlrc &&
    echo 'set session characteristics as transaction read only;') \
  psql "$@"
}

mb:ropsql() {
  `aws secretsmanager get-secret-value --secret-id "${1? secret arn needed }" | jq '.SecretString | fromjson | "ropsql -d \(.mb_db_connection_uri | sub("&loginTimeout.*"; ""))"' -r`

kidd

def testing(foo, fname, **kwargs):
    """This is functions does this and that.
    
    The longer explanation is here
    """
    print(foo, fname, kwargs)

def parse_args(a=[]):
    r, extra = [], []
    for i in a:

kidd

def testing(foo, fname, **kwargs):
    print(foo, fname, kwargs)

def parse_args(a=[]):
    r, extra = [], []
    for i in a:
        if re.match("^--[^-].*=.+", i):
            r.append(re.split("=", i[2:], 2))
        else:
            extra.append(i)

kidd

def testing(foo, fname, **kwargs):
    print(foo, fname, kwargs)

def parse_args(a):
    r, extra = [], []
    for i in a:
        if "--" in i and not "=" in i:
            print("error")
        if "--" in i:
            r.append(re.split("=", i[2:], 2))

kidd

from multiprocessing import Pool
import functools
import time

def f(i, x):
    time.sleep(x)
    print(i, x)

if __name__ == '__main__':
    ff = functools.partial(f, "hola")