import { getMetadataArgsStorage } from "../globals";
/**
 * Marks a column to generate a value on entity insertion.
 * There are three types of generation strategy - increment, uuid and rowid (cockroachdb only).
 * Increment uses a number which increases by one on each insertion.
 * Uuid generates a special UUID token.
 * Rowid supports only in CockroachDB and uses `unique_rowid()` function
 *
 * Note, some databases do not support non-primary generation columns.
 */
export function Generated(strategy = "increment") {
    return function (object, propertyName) {
        getMetadataArgsStorage().generations.push({
            target: object.constructor,
            propertyName: propertyName,
            strategy: strategy,
        });
    };
}

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