gristlabs_grist-core/app/gen-server/migration/1596456522124-Prefs.ts

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import {nativeValues} from 'app/gen-server/lib/values';
import {MigrationInterface, QueryRunner, Table} from 'typeorm';
export class Prefs1596456522124 implements MigrationInterface {
public async up(queryRunner: QueryRunner): Promise<any> {
await queryRunner.createTable(new Table({
name: 'prefs',
columns: [
{
name: 'org_id',
type: 'integer',
isNullable: true,
},
{
name: 'user_id',
type: 'integer',
isNullable: true,
},
{
name: 'prefs',
type: nativeValues.jsonType
}
],
foreignKeys: [
{
columnNames: ['org_id'],
referencedColumnNames: ['id'],
referencedTableName: 'orgs',
onDelete: 'CASCADE' // delete pref if linked to org that is deleted
},
{
columnNames: ['user_id'],
referencedColumnNames: ['id'],
referencedTableName: 'users',
onDelete: 'CASCADE' // delete pref if linked to user that is deleted
},
],
indices: [
{ columnNames: ['org_id', 'user_id'] },
{ columnNames: ['user_id'] },
],
checks: [
// Make sure pref refers to something, either a user or an org or both
{
columnNames: ['user_id', 'org_id'],
expression: 'COALESCE(user_id, org_id) IS NOT NULL'
},
]
}));
// Having trouble convincing TypeORM to create an index on expressions.
// Luckily, the SQL is identical for Sqlite and Postgres:
await queryRunner.manager.query(
'CREATE UNIQUE INDEX "prefs__user_id__org_id" ON "prefs" ' +
'(COALESCE(user_id,0), COALESCE(org_id,0))'
);
}
public async down(queryRunner: QueryRunner): Promise<any> {
await queryRunner.dropTable('prefs');
}
}