Supported data types
The following table shows the default mapping from Qlik Replicate data types to MapR Streams 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.
When using the JSON message format, binary values are represented as hexadecimal digits.
Qlik Replicate Data Types | MapR Streams Target Data Types in Schema Messages |
---|---|
DATE |
DATE |
TIME |
TIME |
DATETIME |
DATETIME |
BYTES |
BYTES (length) |
BLOB |
BLOB |
REAL4 |
REAL4 (7) |
REAL8 |
REAL8 (14) |
INT1 |
INT1 (3) |
INT2 |
INT2 (5) |
INT4 |
INT4 (10) |
INT8 |
INT8 (19) |
UINT1 |
UINT1 (3) |
UINT2 |
UINT2 (5) |
UINT4 Information note
Values larger than 2^31-1 are not supported. |
UINT4 (10) |
UINT8 Information note
Values larger than 2^63-1 are not supported. |
UINT8 (20) |
NUMERIC |
NUMERIC (p,s) |
STRING |
STRING (Length) |
WSTRING |
STRING (Length) |
CLOB |
CLOB |
NCLOB |
NCLOB |
BOOLEAN |
BOOLEAN (1) |
Mapping to JSON and Avro
Avro message format uses logical types for a more precise representation of the data type.
Qlik Replicate Data Types | JSON or Avro Primitive Data Types | Avro Logical Data Types |
---|---|---|
DATE |
STRING |
DATE Annotates an Avro INT. |
TIME |
STRING |
TIME-MILLIS Annotates an Avro INT. |
TIMESTAMP |
STRING |
TIMESTAMP-MICROS Annotates an Avro LONG. |
STRING |
STRING |
- STRING |
WSTRING |
STRING |
- STRING |
CLOB |
STRING |
- STRING |
NCLOB |
STRING |
- STRING |
NUMERIC |
STRING |
DECIMAL (p,s) 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) Annotates an Avro BYTES. |
BOOLEAN |
BOOLEAN |
- BOOLEAN |