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Version: 6.2

Using native BigInt PKs (MySQL and PostgreSQL)

Since v6, bigints are represented by the native BigInt type, and as such, they don't require explicit type in the decorator options:

id: bigint;

You can also specify the target type you want your bigints to be mapped to:

@PrimaryKey({ type: new BigIntType('bigint') })
id1: bigint;

@PrimaryKey({ type: new BigIntType('string') })
id2: string;

@PrimaryKey({ type: new BigIntType('number') })
id3: number;

JavaScript cannot represent all the possible values of a bigint when mapping to the number type - only values up to Number.MAX_SAFE_INTEGER (2^53 - 1) are safely supported.