Project
To transform the input data with operators before passing to the next step.
Project is where the majority of data transformations happen. It comes with a wide array of operators to help you transform the input data into a desired output format. Most operators have one or multiple arguments. An argument is an input that must be (unless marked as optional) provided in order to obtain the output of an operator.
For example, you are given a set of data that looks like below:
And you want to build a table that will
List the accountAddress in lower case in the 1st column.
List both the balance and symbol in the 2nd column
List the blockTimestamp in the 3rd column.
List the balance in USD in the 4th column.
This is what a Project would look like in order to achieve that. All the green boxes are operators.
Here is a full list of operators that you can use:
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