/**
 * In v4, content types with disabled D&P did not have any `published_at` column.
 * In v5, we need to add a `published_at` column to all content types.
 * Other downstream migrations will make use of this column.
 *
 * This function creates the `published_at` column if it doesn't exist.
 */ const createPublishedAtColumn = async (db, tableName)=>{
    await db.schema.alterTable(tableName, (table)=>{
        table.string('published_at');
    });
    // Non DP content types should have their `published_at` column set to a date
    await db(tableName).update({
        published_at: new Date()
    });
};
const createdPublishedAt = {
    name: '5.0.0-04-created-published-at',
    async up (knex, db) {
        for (const meta of db.metadata.values()){
            const hasTable = await knex.schema.hasTable(meta.tableName);
            if (!hasTable) {
                continue;
            }
            // Ignore non-content types
            const uid = meta.uid;
            const model = strapi.getModel(uid);
            if (!model) {
                continue;
            }
            // Create publishedAt column if it doesn't exist
            const hasPublishedAtColumn = await knex.schema.hasColumn(meta.tableName, 'published_at');
            if (meta.attributes.publishedAt && !hasPublishedAtColumn) {
                await createPublishedAtColumn(knex, meta.tableName);
            }
        }
    },
    async down () {
        throw new Error('not implemented');
    }
};

export { createdPublishedAt };
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