Merge pull request #30 from eitsupi/prql-version

feat: show PRQL version in about (in `--help` option)

Cargo.toml

@@ -21,7 +21,7 @@ atty = "0.2"
 camino = "1.1.1"
 cfg-if = "1.0.0"
 chrono = "0.4"
-clap = { version = "3.2.3", features = ["derive", "env"] }
+clap = { version = "4.1.4", features = ["derive", "env", "string"] }
 datafusion = { version = "12.0.0", optional = true, features = ["default", "avro"]}
 dotenvy = "0.15.3"
 duckdb = { version = "0.5.1", features = ["bundled", "modern-full"], optional = true }

src/backends/datafusion.rs

@@ -102,7 +102,7 @@ fn write_record_batches_to_json(rbs: &[RecordBatch], dest: &mut dyn Write) -> Re
     {
         // let mut writer = json::ArrayWriter::new(&mut buf);
         let mut writer = json::LineDelimitedWriter::new(dest);
-        writer.write_batches(&rbs)?;
+        writer.write_batches(rbs)?;
         writer.finish()?;
     }
     Ok(())

src/backends/duckdb.rs

@@ -35,7 +35,7 @@ pub fn query(
             } else if source.ends_with(".parquet") {
                 format!("read_parquet('{source}')")
             } else if database.starts_with("postgres") {
-                let mut parts: Vec<&str> = source.split(".").collect();
+                let mut parts: Vec<&str> = source.split('.').collect();
                 if parts.len() == 1 {
                     parts.insert(0, "public");
                 }

src/main.rs

@@ -12,7 +12,7 @@ use std::io::prelude::*;
 use std::{fs, io};
 
 use clap::{Parser, ValueEnum};
-use prql_compiler::compile;
+use prql_compiler::{compile, PRQL_VERSION};
 
 cfg_if::cfg_if! {
     if #[cfg(feature = "datafusion")] {
@@ -33,7 +33,7 @@ type SourcesType = Vec<(String, String)>;
 #[clap(
     name = env!("CARGO_PKG_NAME"),
     version = env!("CARGO_PKG_VERSION"),
-    about = env!("CARGO_PKG_DESCRIPTION")
+    about = format!("{} version {} (https://prql-lang.org)", env!("CARGO_PKG_DESCRIPTION"), PRQL_VERSION.to_string())
 )]
 struct Cli {
     /// The file(s) to read data FROM if given
@@ -57,14 +57,14 @@ struct Cli {
     no_exec: bool,
 
     /// The format to use for the output
-    #[clap(long, arg_enum, value_parser, env = "PQ_FORMAT")]
+    #[clap(long, value_enum, value_parser, env = "PQ_FORMAT")]
     format: Option<OutputFormat>,
 
     /// The Writer to use for writing the output
     #[clap(
         short,
         long,
-        arg_enum,
+        value_enum,
         value_parser,
         default_value = "arrow",
         env = "PQ_WRITER"