Merge pull request #1854 from jqnatividad/polars-sync-pypolars-0.20.31

`deps`: we now track py-polars release, instead of rust-polars

Cargo.toml

@@ -249,9 +249,10 @@ dynfmt = { git = "https://github.com/jqnatividad/dynfmt", branch = "2021-clippy_
 grex = { git = "https://github.com/pemistahl/grex", rev = "0c8ab87" }
 # calamine 0.25.0 with unreleased fixes
 calamine = { git = "https://github.com/tafia/calamine", rev = "6b41309" }
-# polars 0.40.0 with unreleased fixes
-polars     = { git = "https://github.com/pola-rs/polars", rev = "d7b4f72" }
-polars-ops = { git = "https://github.com/pola-rs/polars", rev = "d7b4f72" }
+# latest Rust polars with unreleased fixes
+# we track Python polars which has a much faster release cycle than Rust polars
+polars     = { git = "https://github.com/pola-rs/polars", tag = "py-0.20.31" }
+polars-ops = { git = "https://github.com/pola-rs/polars", tag = "py-0.20.31" }
 
 [features]
 default = ["mimalloc"]

src/cmd/sqlp.rs

@@ -6,9 +6,11 @@ Polars SQL is a SQL dialect, converting SQL queries to fast Polars LazyFrame exp
 (see https://docs.pola.rs/user-guide/sql/intro/).
 
 For a list of SQL functions and keywords supported by Polars SQL, see
-https://github.com/pola-rs/polars/blob/rs-0.40.0/crates/polars-sql/src/functions.rs
-https://github.com/pola-rs/polars/blob/rs-0.40.0/crates/polars-sql/src/keywords.rs and
-https://github.com/pola-rs/polars/issues/7227
+https://github.com/pola-rs/polars/blob/rs-0.40.0/crates/polars-sql/src/functions.rs and
+https://github.com/pola-rs/polars/blob/rs-0.40.0/crates/polars-sql/src/keywords.rs.
+https://docs.pola.rs/py-polars/html/reference/sql/index.html also provides a more readable
+version of the SQL functions and keywords, though be aware that it's for the Python version
+of Polars, so there will be some minor syntax differences.
 
 Returns the shape of the query result (number of rows, number of columns) to stderr.
 

tests/test_sqlp.rs

@@ -95,24 +95,24 @@ sqlp_test!(
         cmd.arg("select * from cities full outer join places on cities.city = places.city");
         let got: Vec<Vec<String>> = wrk.read_stdout(&mut cmd);
         let expected1 = vec![
-            svec!["city", "state", "city_right", "place"],
+            svec!["city", "state", "city:places", "place"],
             svec!["Boston", "MA", "Boston", "Logan Airport"],
             svec!["Boston", "MA", "Boston", "Boston Garden"],
             svec!["Buffalo", "NY", "Buffalo", "Ralph Wilson Stadium"],
             svec!["", "", "Orlando", "Disney World"],
-            svec!["San Francisco", "CA", "", ""],
             svec!["New York", "NY", "", ""],
+            svec!["San Francisco", "CA", "", ""],
         ];
         let expected2 = vec![
-            svec!["city", "state", "city_right", "place"],
+            svec!["city", "state", "city:places", "place"],
             svec!["Boston", "MA", "Boston", "Logan Airport"],
             svec!["Boston", "MA", "Boston", "Boston Garden"],
             svec!["Buffalo", "NY", "Buffalo", "Ralph Wilson Stadium"],
             svec!["", "", "Orlando", "Disney World"],
-            svec!["New York", "NY", "", ""],
             svec!["San Francisco", "CA", "", ""],
+            svec!["New York", "NY", "", ""],
         ];
-        // assert!(got == expected1 || got == expected2);
+        assert!(got == expected1 || got == expected2);
     }
 );