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Creating Tables

Creating new tables in a database.

To create a new table, define the initial table schema in a YAML manifest with kind: Table, and deploy it to the cluster. SchemaHero will see this new table request, and connect to the database and run the appropriate create table commands to deploy the table schema.

For example, to create a simple table that stores session information in a database, we might want a postgresql table that looks like this:

                         Table "public.session"
  Column   |            Type             | Collation | Nullable | Default
-----------+-----------------------------+-----------+----------+---------
 id        | text                        |           | not null |
 user_id   | text                        |           | not null |
 expire_at | timestamp without time zone |           | not null |
Indexes:
    "session_pkey" PRIMARY KEY, btree (id)

SchemaHero YAML

To get this table, the following YAML will create it:

apiVersion: schemas.schemahero.io/v1alpha4
kind: Table
metadata:
  name: session
spec:
  database: my-database
  name: session
  schema:
    postgres:
      primaryKey:
      - id
      columns:
      - name: id
        type: text
        constraints:
          notNull: true
      - name: user_id
        type: text
        constraints:
          notNull: true
      - name: expire_at
        type: timestamp without time zone
        constraints:
          notNull: true

For more information about the available fields and attributes, continue reading the docs in this section.

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