# Supported data types

The table below shows the default mappings from Qlik Replicate data types to JSON and Avro logical data types.

For information on source data type mappings, see the section for the source endpoint you are using.

For additional information about Qlik Replicate data types, see [Replicate data types](https://help.qlik.com/en-US/replicate/November2024/Content/Replicate/Main/Endpoints/att_rep_data_types.htm).

Information note

When using the JSON message format, binary values are represented as hexadecimal digits.

[](https://help.qlik.com/en-US/replicate/Content/Replicate/Main/Google-Cloud-PubSub/Pubsub-data-types.htm)

Data type mappings

| Qlik Replicate data types | JSON | Avro Logical data types |
| --- | --- | --- |
| DATE | STRING | DATE<br><br>Annotates an Avro INT. |
| TIME | STRING | TIME-MILLIS<br><br>Annotates an Avro INT. |
| TIMESTAMP | STRING | TIMESTAMP-MICROS<br><br>Annotates an Avro LONG. |
| STRING | STRING | STRING |
| WSTRING | STRING | STRING |
| CLOB | STRING | STRING |
| NCLOB | STRING | STRING |
| NUMERIC | STRING | DECIMAL (p,s)<br><br>Annotates an Avro BYTES. |
| BYTES | BYTES | BYTES |
| BLOB | BYTES | BYTES |
| REAL4 | FLOAT | FLOAT |
| REAL8 | DOUBLE | DOUBLE |
| INT1 | INT | INT |
| INT2 | INT | INT |
| INT4 | INT | INT |
| UINT1 | INT | INT |
| UINT2 | INT | LONG |
| UINT4 | LONG | LONG |
| INT8 | LONG | LONG |
| UINT8 | STRING | DECIMAL (20,0)<br><br>Annotates an Avro BYTES. |
| BOOLEAN | BOOLEAN | BOOLEAN |