Data types in Amazon QLDB
Amazon QLDB stores documents in Amazon Ion format. Amazon Ion is a data serialization format (both in text form and in binary-encoded form) that is a superset of JSON. The following table lists the Ion data types that you can use in QLDB documents.
| Data type | Description |
|---|---|
null |
A generic null value |
bool |
Boolean values |
int |
Signed integers of arbitrary size |
decimal |
Decimal-encoded real numbers of arbitrary precision |
float |
Binary-encoded floating point numbers (64-bit IEEE) |
timestamp |
Date/time/timezone moments of arbitrary precision |
string |
Unicode text literals |
symbol |
Unicode symbolic atoms (identifiers) |
blob |
Binary data of user-defined encoding |
clob |
Text data of user-defined encoding |
struct |
Unordered collections of name-value pairs |
list |
Ordered heterogeneous collections of values |
See the Ion specification
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