23 lines
868 B
JavaScript
23 lines
868 B
JavaScript
/* global WIKI */
|
|
|
|
exports.up = knex => {
|
|
let sqlVersionDate = ''
|
|
switch (WIKI.config.db.type) {
|
|
case 'postgres':
|
|
case 'mssql':
|
|
sqlVersionDate = 'UPDATE "pageHistory" h1 SET "versionDate" = COALESCE((SELECT prev."createdAt" FROM "pageHistory" prev WHERE prev."pageId" = h1."pageId" AND prev.id < h1.id ORDER BY prev.id DESC LIMIT 1), h1."createdAt")'
|
|
break
|
|
case 'mysql':
|
|
case 'mariadb':
|
|
sqlVersionDate = `UPDATE pageHistory AS h1 INNER JOIN pageHistory AS h2 ON h2.id = (SELECT prev.id FROM pageHistory AS prev WHERE prev.pageId = h1.pageId AND prev.id < h1.id ORDER BY prev.id DESC LIMIT 1) SET h1.versionDate = h2.createdAt`
|
|
break
|
|
}
|
|
return knex.schema
|
|
.alterTable('pageHistory', table => {
|
|
table.string('versionDate').notNullable().defaultTo('')
|
|
})
|
|
.raw(sqlVersionDate)
|
|
}
|
|
|
|
exports.down = knex => { }
|