Dimitrie Stefanescu
84 lines
3.4 KiB
JavaScript
84 lines
3.4 KiB
JavaScript
'use strict'
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// Knex table migrations
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exports.up = async knex => {
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// Streams Table
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await knex.schema.createTable( 'streams', table => {
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table.uuid( 'id' ).defaultTo( knex.raw( 'gen_random_uuid()' ) ).unique( ).primary( )
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table.text( 'name' )
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table.text( 'description' )
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table.boolean( 'public' ).defaultTo( true )
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table.uuid( 'owner_id' ).references( 'id' ).inTable( 'actors' ).notNullable( )
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table.uuid( 'cloned_from' ).references( 'id' ).inTable( 'streams' )
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table.timestamp( 'created_at' ).defaultTo( knex.fn.now( ) )
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table.unique( [ 'owner_id', 'name' ] )
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} )
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// Objects Table
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await knex.schema.createTable( 'objects', table => {
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table.text( 'hash' ).primary( )
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table.uuid( 'applicationId' )
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table.text( 'speckle_type' ).defaultTo( 'Base' )
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table.jsonb( 'data' )
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table.index( [ 'speckle_type' ], 'type_index' )
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table.index( [ 'hash' ], 'id_index' )
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} )
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// Sets a trigger to generate the hash of objects if not present.
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// File
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let hashTriggerObjects = require( './helperFunctions' ).hashTriggerGenerator( 'objects', 'hash' )
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await knex.raw( hashTriggerObjects )
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// creates an enum type for db references.
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await knex.raw( `
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DO $$
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BEGIN
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IF NOT EXISTS (SELECT 1 FROM pg_type WHERE typname = 'speckle_reference_type') THEN
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CREATE TYPE speckle_reference_type AS ENUM('branch', 'tag');
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END IF;
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END$$;
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` )
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// Reference table. A reference can be a branch or a tag.
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await knex.schema.createTable( 'references', table => {
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table.uuid( 'id' ).defaultTo( knex.raw( 'gen_random_uuid()' ) ).unique( ).primary( )
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table.uuid( 'stream_id' ).references( 'id' ).inTable( 'streams' ).notNullable( )
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table.text( 'name' )
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table.specificType( 'type', 'speckle_reference_type' ).defaultTo( 'branch' )
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table.text( 'description' )
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// (Sparse) Only populated for tags, which hold one commit.
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table.text( 'commit_id' ).references( 'hash' ).inTable( 'objects' )
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table.unique( [ 'stream_id', 'name' ] )
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} )
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// Branches can have as many commits as possible.
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await knex.schema.createTable( 'branch_commits', table => {
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table.uuid( 'branch_id' ).references( 'id' ).inTable( 'references' ).notNullable( )
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table.text( 'commit_id' ).references( 'hash' ).inTable( 'objects' ).notNullable( )
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table.primary( [ 'branch_id', 'commit_id' ] )
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} )
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// Flat table to store all commits to this stream, regardless of branch.
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// Optional, might be removed as you can get all the commits from each branch...
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await knex.schema.createTable( 'stream_commits', table => {
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table.uuid( 'stream_id' ).references( 'id' ).inTable( 'streams' ).notNullable( )
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table.text( 'commit_id' ).references( 'hash' ).inTable( 'objects' ).notNullable( )
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} )
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await knex.schema.createTable( 'user_commits', table => {
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table.uuid( 'owner_id' ).references( 'id' ).inTable( 'actors' ).notNullable( )
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table.text( 'commit_id' ).references( 'hash' ).inTable( 'objects' )
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} )
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}
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exports.down = async knex => {
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await knex.schema.dropTableIfExists( 'stream_commits' )
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await knex.schema.dropTableIfExists( 'branch_commits' )
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await knex.schema.dropTableIfExists( 'user_commits' )
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await knex.schema.dropTableIfExists( 'references' )
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await knex.schema.dropTableIfExists( 'objects' )
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await knex.schema.dropTableIfExists( 'streams' )
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await knex.raw( `DROP TYPE IF EXISTS speckle_reference_type ` )
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} |