AlexRogalskiy

-- Step_1: setup
Create database testDB;
use testDB;
Create table t( a int, b varchar(70));
insert into t values (1, now(6));
insert into t select a+(select max(a) from t), now(6) from t;
select count(*) from t; 

-- Step_3: updates on primary
insert into t values (-1, now(6));

AlexRogalskiy

CREATE DATABASE IF NOT EXISTS hellomemsql;

USE hellomemsql;

CREATE TABLE IF NOT EXISTS messages (
  id BIGINT AUTO_INCREMENT PRIMARY KEY,
  content varchar(300) NOT NULL,
  createdate TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP
);

AlexRogalskiy

AlexRogalskiy

-- Step_1: setup
Create database testDB;
use testDB;
Create table t( a int, b varchar(70));
insert into t values (1, now(6));
insert into t select a+(select max(a) from t), now(6) from t;
select count(*) from t; -- 262144  

-- Step_3: updates on primary
insert into t values (-1, now(6));

AlexRogalskiy

create database acme;

use acme;

create table customer (
  id int,
  name varchar(200),
  properties json not null,
  key (id) using clustered columnstore
);

AlexRogalskiy

create database 'tpc_h';
use 'tpc_h';

CREATE TABLE IF NOT EXISTS `lineitem` (
`l_orderkey` bigint(11) NOT NULL,
`l_partkey` int(11) NOT NULL,
`l_suppkey` int(11) NOT NULL,
`l_linenumber` int(11) NOT NULL,
`l_quantity` decimal(15,2) NOT NULL,
`l_extendedprice` decimal(15,2) NOT NULL,

AlexRogalskiy

-- create a database with 2 master partitions
create database thedb partitions 2;

-- create sample data
use thedb;
create table data (msg varchar(200));
insert into data (msg) values ('the data');

-- notice how we're not using the database efficiently
show partitions;

AlexRogalskiy

-- create a database
create database cosmeticshop;

-- create a table
use cosmeticshop;
create table cosmeticshopfunnel
(
    event_time TIMESTAMP,
    event_type CHAR(18),
    product_id CHAR(10),

AlexRogalskiy

-- MemSQL load-balanced failover
-- =============================

-- Queries demoing load-balanced failover in MemSQL: https://youtu.be/J86fLCMr5dc

create database x_db partitions 8;

select host, port, node_id, availability_group as AG from leaves order by AG;

SELECT master_host as m_host, master_port as m_port, host as repl_host, port as repl_port, GROUP_CONCAT(database_name ORDER BY database_name) AS list_partitions FROM information_schema.mv_cluster_status WHERE metadata_role='slave' GROUP BY master_host, master_port, repl_host, repl_port ORDER BY master_host, master_port, repl_host, repl_port;

AlexRogalskiy

apiVersion: apps/v1
kind: Deployment
metadata:
  name: memsql-operator-envvar
  namespace: memsql
spec:
  replicas: 1
  selector:
    matchLabels:
      name: memsql-operator-envvar