Verify Access column datatypes and their XSD equivalents

[redmer]

rdfjs-source-msaccess/src/msaccess.ts

Lines 136 to 152 in 4f87ad3

	[ColumnType.BigInt]: (v: bigint) => [v.toString(), XSD("integer")],
	[ColumnType.Binary]: (v: Buffer) => [v.toString("base64"), XSD("base64Binary")],
	[ColumnType.Boolean]: (v: boolean) => [v ? "true" : "false", XSD("boolean")],
	[ColumnType.Byte]: (v: number) => [v.toString(), XSD("byte")],
	[ColumnType.Complex]: (v: number) => [v.toString(), XSD("number")],
	[ColumnType.Currency]: (v: string) => [v, XSD("string")],
	[ColumnType.DateTime]: (v: Date) => [v.toISOString(), XSD("dateTime")],
	[ColumnType.DateTimeExtended]: (v: string) => [v, XSD("string")],
	[ColumnType.Double]: (v: number) => [v.toString(), XSD("double")],
	[ColumnType.Float]: (v: number) => [v.toString(), XSD("float")],
	[ColumnType.Integer]: (v: number) => [v.toFixed(0), XSD("int")],
	[ColumnType.Long]: (v: number) => [v.toFixed(0), XSD("long")],
	[ColumnType.Memo]: (v: string) => [v, XSD("string")],
	[ColumnType.Numeric]: (v: string) => [v, XSD("string")],
	[ColumnType.OLE]: (v: Buffer) => [v.toString("base64"), XSD("base64Binary")],
	[ColumnType.RepID]: (v: string) => [v, XSD("string")],
	[ColumnType.Text]: (v: string) => [v, XSD("string")],

These equivalencies may not be accurate, as the definition of what constitutes a int differs between the formal range of xsd:int and the values allowed by Access.