/**
 * In v4, content types with disabled i18n did not have any locale column.
 * In v5, we need to add a `locale` column to all content types.
 * Other downstream migrations will make use of this column.
 *
 * This function creates the `locale` column if it doesn't exist.
 */ const createLocaleColumn = async (db, tableName)=>{
    await db.schema.alterTable(tableName, (table)=>{
        table.string('locale');
    });
};
const createdLocale = {
    name: '5.0.0-03-created-locale',
    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 locale column if it doesn't exist
            const hasLocaleColumn = await knex.schema.hasColumn(meta.tableName, 'locale');
            if (meta.attributes.locale && !hasLocaleColumn) {
                await createLocaleColumn(knex, meta.tableName);
            }
        }
    },
    async down () {
        throw new Error('not implemented');
    }
};

export { createdLocale };
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