Comments (2)
Arquero reparses and optimizes expressions, and for safety and future portability reasons only allows function calls provided by the op
object. This is described in the introduction tutorial and formal documentation will later be added to the Arquero docs.
The full documentation for the op
object is here: https://uwdata.github.io/arquero/api/op, and includes date-time methods.
from arquero.
Note that you can also register custom op functions using the top-level addFunction
method.
from arquero.
Related Issues (20)
- Include an option to treat Arrow binary columns as String
- Interpolate missing values
- arquero op.first_value function issue HOT 2
- table.print() should return table to enable chaining HOT 2
- Citation for academic paper HOT 2
- Nuxt 2.0 build failing due to apache-arrow exports HOT 6
- Add op functions to work with Map and Set objects HOT 1
- `fromCSV` fails with uncaught TypeError on CSV with headers only HOT 1
- Join ignores empty string as suffix
- Table expressions do not support underscores as numeric separators in numeric literals
- CSV parse functions don't get run on null values
- Failing during production build: minification problem? HOT 10
- Verb to drop columns by name? HOT 2
- derive can not handle string? HOT 2
- Table concatenation results in empty table
- Problems getting Arquero to find it's types in Typescript HOT 5
- array_agg and undefined/none values HOT 3
- fromArrow -> Unrecognized type: "undefined"
- COUNTIF-like aggregate function
- NextJS swcMinify is breaking arquero
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