Merge pull request #32 from PRQL/v0015

Updates prql-compiler to 0.6.1

Author: Tobias Brandt

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 * Adds --version parameter (#29, @eitsupi)
 * Updates prql-compiler to 0.4.2 (#27, @aljazerzen)
+* Updates prql-compiler to 0.6.1 (@snth)
 
 ## 0.0.14 - 2022-11-09
 

Cargo.lock

@@ -29,7 +29,7 @@ env_logger = "0.9.0"
 log = "0.4.17"
 parquet = { version = "23", optional = true }
 polars = { version = "0.24.2", optional = true, features = ["docs-selection"] }
-prql-compiler = { version = "0.4.2" }
+prql-compiler = { version = "0.6.1" }
 regex = { version = "1.6.0", optional = true }
 tokio = { version = "1.19", features = ["rt-multi-thread", "macros"] }
 url = "2"

Cargo.toml

@@ -1,5 +1,5 @@
 from i=invoices
-join ii=invoice_items [invoice_id]
+join ii=invoice_items [==invoice_id]
 derive [
     month = s"STRFTIME('%Y-%m', {i.invoice_date})",
     day = s"STRFTIME('%Y-%m-%d', {i.invoice_date})",

examples/queries/invoice_totals.prql

@@ -61,7 +61,7 @@ pub fn query(
 
         Ok(stmts)
             .and_then(prql_compiler::pl_to_rq)
-            .and_then(|rq| prql_compiler::rq_to_sql(rq, None))
+            .and_then(|rq| prql_compiler::rq_to_sql(rq, &prql_compiler::Options::default()))
             .map_err(|e| anyhow!(e))?
     } else {
         query.to_string()

src/backends/duckdb.rs

@@ -12,7 +12,7 @@ use std::io::prelude::*;
 use std::{fs, io};
 
 use clap::{Parser, ValueEnum};
-use prql_compiler::{compile, PRQL_VERSION};
+use prql_compiler::{compile, Options, PRQL_VERSION};
 
 cfg_if::cfg_if! {
     if #[cfg(feature = "datafusion")] {
@@ -152,7 +152,8 @@ fn main() -> Result<()> {
     // args.sql
     if !args.sql && !query.starts_with("prql ") {
         // prepend a PRQL header to signal this is a PRQL query rather than a SQL one
-        query = format!("prql version:'0.4' target:sql.generic\n{query}")
+        // FIXME: When the backend is DuckDB, the target should be sql.duckdb
+        query = format!("prql version:'{}' target:sql.generic\n{query}", PRQL_VERSION.to_string())
     }
     debug!("query = {query:?}");
 
@@ -276,7 +277,7 @@ fn get_dest_from_to(to: &str) -> Result<Box<dyn Write>> {
 
 fn get_sql_from_query(query: &str) -> Result<String> {
     let sql = if query.starts_with("prql ") {
-        compile(query, None).map_err(|e| anyhow!(e))?
+        compile(query, &Options::default()).map_err(|e| anyhow!(e))?
     } else {
         query.to_string()
     };