marcocitus

CREATE TABLE IF NOT EXISTS words (
  word text
);

CREATE TABLE IF NOT EXISTS product (
  product_id int not null, 
  name text not null,
  description text not null,
  price decimal(12,2),
  attributes jsonb,

marcocitus

/* commands to run on the coordinator */

CREATE EXTENSION citus;
SELECT master_add_node('10.0.0.2', 5432);
SELECT master_add_node('10.0.0.3', 5432);
SELECT start_metadata_sync_to_node(nodename, nodeport) FROM pg_dist_node;
SET citus.replication_model TO 'streaming'

CREATE TABLE events (
  event_id bigserial primary key,

marcocitus

Instructions to downgrade from v9.2.3 to 9.2.2:

1. Install Citus v9.2.2
2. Copy citus--9.3-1--9.2-2.sql to <postgresql installation directory>/share/extension/citus--9.3-1--9.2-2.sql
3. Restart PostgreSQL
4. Run: ALTER EXTENSION citus UPDATE;
5. Delete <postgresql installation directory>/share/extension/citus--9.3-1--9.2-2.sql

marcocitus

BEGIN;
CREATE TABLE stock_partitioned (LIKE stock INCLUDING ALL) PARTITION BY HASH (s_w_id);
CREATE TABLE stock_00 PARTITION OF stock_partitioned FOR VALUES WITH (MODULUS 10, REMAINDER 0);                                                                                   
CREATE TABLE stock_01 PARTITION OF stock_partitioned FOR VALUES WITH (MODULUS 10, REMAINDER 1);                                                                                   
CREATE TABLE stock_02 PARTITION OF stock_partitioned FOR VALUES WITH (MODULUS 10, REMAINDER 2);                                                                                   
CREATE TABLE stock_03 PARTITION OF stock_partitioned FOR VALUES WITH (MODULUS 10, REMAINDER 3);                                                                                   
CREATE TABLE stock_04 PARTITION OF stock_partitioned FOR VALUES WITH (MODULUS 10, REMAINDER 4);                                                                                   
CREATE TABLE stock_05 PARTITION OF s

marcocitus

-- Create the raw events table
CREATE TABLE page_views (
    site_id int,
    path text,
    client_ip inet,
    view_time timestamptz default now(),
    view_id bigserial
);

-- Allow fast lookups of ranges of sequence IDs

marcocitus

CREATE TABLE rollups (
  name text,
  rolled_up_generation bigint default -1
);

-- Create a stub on workers to allow usage as a default in distributed tables
SELECT run_command_on_workers($$
CREATE OR REPLACE FUNCTION current_rollup_generation(rollup_name text)
RETURNS bigint LANGUAGE sql
AS $function$

marcocitus

-- Q1
select   ol_number,
     sum(ol_quantity) as sum_qty,
     sum(ol_amount) as sum_amount,
     avg(ol_quantity) as avg_qty,
     avg(ol_amount) as avg_amount,
     count(*) as count_order
from     order_line
where     ol_delivery_d > '2007-01-02 00:00:00.000000'
group by ol_number order by ol_number;

marcocitus

CREATE TABLE public.customer (c_id numeric(5,0) NOT NULL, c_d_id numeric(2,0) NOT NULL, c_w_id numeric(4,0) NOT NULL, c_first character varying(16), c_middle character(2), c_last character varying(16), c_street_1 character varying(20), c_street_2 character varying(20), c_city character varying(20), c_state character(2), c_zip character(9), c_phone character(16), c_since timestamp without time zone, c_credit character(2), c_credit_lim numeric(12,2), c_discount numeric(4,4), c_balance numeric(12,2), c_ytd_payment numeric(12,2), c_payment_cnt numeric(8,0), c_delivery_cnt numeric(8,0), c_data character varying(500)) WITH (fillfactor='50');
CREATE UNIQUE INDEX customer_i2 ON public.customer USING btree (c_w_id, c_d_id, c_last, c_first, c_id) TABLESPACE pg_default ;       
ALTER TABLE public.customer ADD CONSTRAINT customer_i1 PRIMARY KEY (c_w_id, c_d_id, c_id);
CREATE TABLE public.district (d_id numeric(2,0) NOT NULL, d_w_id numeric(4,0) NOT NULL, d_ytd numeric(12,2), d_tax numeric(4,4), d_next_o_id numeric, d_nam

marcocitus

-- as superuser:

CREATE EXTENSION pg_cron; 
GRANT USAGE ON SCHEMA cron TO citus;

CREATE SCHEMA partman;
GRANT USAGE ON SCHEMA partman TO citus;
CREATE EXTENSION pg_partman WITH SCHEMA partman;
GRANT ALL ON TABLE partman.part_config TO citus; 
GRANT ALL ON TABLE partman.part_config_sub TO citus;

marcocitus

CREATE OR REPLACE FUNCTION public.load_github_data(events_date date, hour integer)
 RETURNS void
 LANGUAGE plpgsql
 SECURITY DEFINER
AS $function$
BEGIN
    CREATE TEMPORARY TABLE input (data jsonb) ON COMMIT DROP;
    EXECUTE format($$COPY input FROM PROGRAM 'curl -s http://data.githubarchive.org/%s-%s.json.gz | zcat | grep -v \\u0000' CSV QUOTE e'\x01' DELIMITER e'\x02'$$, events_date, hour);
    INSERT INTO github.events SELECT
        (data->>'id')::bigint AS event_id,