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  • 7.2.2. R-strings

    R-strings PRQL SQL R-strings R-strings handle escape characters without special treatment: PRQL from artists derive normal_string = "\\\t" # two characters - \...
  • 8. Examples

    Examples Examples These examples are rewritten from other languages such as SQL. They try to express real-world problems in PRQL, covering most of the language features. We are...
  • 7.4. Prefect

    Prefect Prefect Because Prefect is in native Python, it’s extremely easy to integrate with PRQL. With a Postgres Task, replace: PostgresExecute . run (..., query = sql ) ...
  • 13.7. R

    R (prqlr) Installation R (prqlr) R bindings for prql-compiler . prqlr also includes knitr (R Markdown and Quarto) integration, which allows us to easily create documents wi...
  • 5.7.2. Loop

    Loop Examples PRQL SQL Loop experimental Iteratively applies step function to initial relation until the step returns an empty table. Returns a relation that contains...
  • 4.5. Comments

    Comments PRQL SQL Comments Comments are represented by # . PRQL from employees # Comment 1 # Comment 2 aggregate [ average salary ] SQL SELECT AVG ( salar...
  • 9.1. Development

    Development Setting up an initial dev environment Setting up a full dev environment Option 1: Use the project’s task Option 2: Install tools individually Building & testing the ...
  • 7.11. Comments

    Comments PRQL SQL Comments Character # denotes a comment until the end of the line. PRQL from employees # Comment 1 # Comment 2 aggregate { average salary } S...
  • 1.12. Comments

    Comments PRQL SQL Comments Character # denotes a comment until the end of the line. PRQL from employees # Comment 1 # Comment 2 aggregate { average salary } S...
  • 10.4. Type system

    Type system Purpose Principles Theory Type annotations Type definitions Container types Physical layout Examples Appendix Built-in primitives Type representations RQ func...