JSONPATHDOUBLE
This section contains reference documentation for the JSONPATHDOUBLE function.
Extracts the Double value from jsonField
based on 'jsonPath'
, use optional defaultValue
for null or parsing error. This function can only be used in an ingestion transformation function.
Signature
JSONPATHDOUBLE(jsonField, 'jsonPath', [defaultValue])
Arguments | Description |
---|---|
| An Identifier/Expression contains JSON documents. |
| Follows JsonPath Syntax to read values from JSON documents. |
'jsonPath'
` is a literal. Pinot uses single quotes to distinguish them from identifiers.
Usage Examples
The usage examples are based on extracting fields from the following JSON document:
Expression | Value |
---|---|
|
|
This function can be used in the table config to extract the age
property into the age
column, as described below:
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