Function prepareBatchUpdate

Returns undefined | {
    aggregateSelects: {
        [name: string]: {
            id: any;
            sql: string;
        }[];
    };
    assignReturning: {
        [name: string]: {
            item: any;
            names: string[];
        };
    };
    changedFields: string[];
    originPkField: string;
    originPkName: string;
    pkField: string;
    pkName: string;
    primaryKeys: any[];
    setNames: string[];
    setReturning: {
        [name: string]: 1;
    };
    tableName: string;
    values: {
        [name: string]: any[];
    };
    valuesSet: {
        [name: string]: any[];
    };
}