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Fix Redshift migrations driver #128

Merged
merged 9 commits into from
Nov 14, 2018
21 changes: 18 additions & 3 deletions database/redshift/README.md
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Redshift
===
# Redshift

This provides a Redshift driver for migrations. It is used whenever the URL of the database starts with `redshift://`.
`redshift://user:password@host:port/dbname?query`

| URL Query | WithInstance Config | Description |
|------------|---------------------|-------------|
| `x-migrations-table` | `MigrationsTable` | Name of the migrations table |
| `dbname` | `DatabaseName` | The name of the database to connect to |
| `search_path` | | This variable specifies the order in which schemas are searched when an object is referenced by a simple name with no schema specified. |
| `user` | | The user to sign in as |
| `password` | | The user's password |
| `host` | | The host to connect to. Values that start with / are for unix domain sockets. (default is localhost) |
| `port` | | The port to bind to. (default is 5439) |
| `fallback_application_name` | | An application_name to fall back to if one isn't provided. |
| `connect_timeout` | | Maximum wait for connection, in seconds. Zero or not specified means wait indefinitely. |
| `sslcert` | | Cert file location. The file must contain PEM encoded data. |
| `sslkey` | | Key file location. The file must contain PEM encoded data. |
| `sslrootcert` | | The location of the root certificate file. The file must contain PEM encoded data. |
| `sslmode` | | Whether or not to use SSL (disable\|require\|verify-ca\|verify-full) |

Redshift is PostgreSQL compatible but has some specific features (or lack thereof) that require slightly different behavior.
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DROP TABLE IF EXISTS users;
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CREATE TABLE users (
user_id integer unique,
name varchar(40),
email varchar(40)
);
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ALTER TABLE users DROP COLUMN IF EXISTS city;
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ALTER TABLE users ADD COLUMN city varchar(100);


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DROP INDEX IF EXISTS users_email_index;
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CREATE UNIQUE INDEX CONCURRENTLY users_email_index ON users (email);

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DROP TABLE IF EXISTS books;
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CREATE TABLE books (
user_id integer,
name varchar(40),
author varchar(40)
);
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DROP TABLE IF EXISTS movies;
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CREATE TABLE movies (
user_id integer,
name varchar(40),
director varchar(40)
);
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