Add support for level histograms added in PARQUET-2261 to ParquetMetaData

arrow-buffer/src/buffer/immutable.rs

@@ -356,16 +356,29 @@ impl Buffer {
     }
 }
 
-/// Creating a `Buffer` instance by copying the memory from a `AsRef<[u8]>` into a newly
-/// allocated memory region.
-impl<T: AsRef<[u8]>> From<T> for Buffer {
-    fn from(p: T) -> Self {
-        // allocate aligned memory buffer
-        let slice = p.as_ref();
-        let len = slice.len();
-        let mut buffer = MutableBuffer::new(len);
-        buffer.extend_from_slice(slice);
-        buffer.into()
+/// Note that here we deliberately do not implement
+/// `impl<T: AsRef<[u8]>> From<T> for Buffer`
+/// As it would accept `Buffer::from(vec![...])` that would cause an unexpected copy.
+/// Instead, we ask user to be explicit when copying is occurring, e.g., `Buffer::from(vec![...].to_byte_slice())`.
+/// For zero-copy conversion, user should use `Buffer::from_vec(vec![...])`.
+///
+/// Since we removed impl for `AsRef<u8>`, we added the following three specific implementations to reduce API breakage.
+/// See <https://github.com/apache/arrow-rs/issues/6033> for more discussion on this.
+impl From<&[u8]> for Buffer {
+    fn from(p: &[u8]) -> Self {
+        Self::from_slice_ref(p)
+    }
+}
+
+impl<const N: usize> From<[u8; N]> for Buffer {
+    fn from(p: [u8; N]) -> Self {
+        Self::from_slice_ref(p)
+    }
+}
+
+impl<const N: usize> From<&[u8; N]> for Buffer {
+    fn from(p: &[u8; N]) -> Self {
+        Self::from_slice_ref(p)
     }
 }
 

arrow-cast/src/cast/mod.rs

@@ -4314,8 +4314,8 @@ mod tests {
             IntervalUnit::YearMonth,
             IntervalYearMonthArray,
             vec![
-                Some("1 years 1 mons 0 days 0 hours 0 mins 0.00 secs"),
-                Some("2 years 7 mons 0 days 0 hours 0 mins 0.00 secs"),
+                Some("1 years 1 mons"),
+                Some("2 years 7 mons"),
                 None,
                 None,
                 None,
@@ -4338,9 +4338,9 @@ mod tests {
             IntervalUnit::DayTime,
             IntervalDayTimeArray,
             vec![
-                Some("0 years 0 mons 390 days 0 hours 0 mins 0.000 secs"),
-                Some("0 years 0 mons 930 days 0 hours 0 mins 0.000 secs"),
-                Some("0 years 0 mons 30 days 0 hours 0 mins 0.000 secs"),
+                Some("390 days"),
+                Some("930 days"),
+                Some("30 days"),
                 None,
                 None,
             ]
@@ -4366,16 +4366,16 @@ mod tests {
             IntervalUnit::MonthDayNano,
             IntervalMonthDayNanoArray,
             vec![
-                Some("0 years 13 mons 1 days 0 hours 0 mins 0.000000000 secs"),
+                Some("13 mons 1 days"),
                 None,
-                Some("0 years 31 mons 35 days 0 hours 0 mins 0.001400000 secs"),
-                Some("0 years 0 mons 3 days 0 hours 0 mins 0.000000000 secs"),
-                Some("0 years 0 mons 0 days 0 hours 0 mins 8.000000000 secs"),
+                Some("31 mons 35 days 0.001400000 secs"),
+                Some("3 days"),
+                Some("8.000000000 secs"),
                 None,
-                Some("0 years 0 mons 1 days 0 hours 0 mins 29.800000000 secs"),
-                Some("0 years 3 mons 0 days 0 hours 0 mins 1.000000000 secs"),
-                Some("0 years 0 mons 0 days 0 hours 8 mins 0.000000000 secs"),
-                Some("0 years 63 mons 9 days 19 hours 9 mins 2.222000000 secs"),
+                Some("1 days 29.800000000 secs"),
+                Some("3 mons 1.000000000 secs"),
+                Some("8 mins"),
+                Some("63 mons 9 days 19 hours 9 mins 2.222000000 secs"),
                 None,
             ]
         );

arrow-cast/src/display.rs

@@ -654,73 +654,148 @@ impl<'a> DisplayIndex for &'a PrimitiveArray<IntervalYearMonthType> {
         let years = (interval / 12_f64).floor();
         let month = interval - (years * 12_f64);
 
-        write!(
-            f,
-            "{years} years {month} mons 0 days 0 hours 0 mins 0.00 secs",
-        )?;
+        write!(f, "{years} years {month} mons",)?;
         Ok(())
     }
 }
 
 impl<'a> DisplayIndex for &'a PrimitiveArray<IntervalDayTimeType> {
     fn write(&self, idx: usize, f: &mut dyn Write) -> FormatResult {
         let value = self.value(idx);
+        let mut prefix = "";
 
-        let secs = value.milliseconds / 1_000;
+        if value.days != 0 {
+            write!(f, "{prefix}{} days", value.days)?;
+            prefix = " ";
+        }
+
+        if value.milliseconds != 0 {
+            let millis_fmt = MillisecondsFormatter {
+                milliseconds: value.milliseconds,
+                prefix,
+            };
+
+            f.write_fmt(format_args!("{millis_fmt}"))?;
+        }
+
+        Ok(())
+    }
+}
+
+impl<'a> DisplayIndex for &'a PrimitiveArray<IntervalMonthDayNanoType> {
+    fn write(&self, idx: usize, f: &mut dyn Write) -> FormatResult {
+        let value = self.value(idx);
+        let mut prefix = "";
+
+        if value.months != 0 {
+            write!(f, "{prefix}{} mons", value.months)?;
+            prefix = " ";
+        }
+
+        if value.days != 0 {
+            write!(f, "{prefix}{} days", value.days)?;
+            prefix = " ";
+        }
+
+        if value.nanoseconds != 0 {
+            let nano_fmt = NanosecondsFormatter {
+                nanoseconds: value.nanoseconds,
+                prefix,
+            };
+            f.write_fmt(format_args!("{nano_fmt}"))?;
+        }
+
+        Ok(())
+    }
+}
+
+struct NanosecondsFormatter<'a> {
+    nanoseconds: i64,
+    prefix: &'a str,
+}
+
+impl<'a> Display for NanosecondsFormatter<'a> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        let mut prefix = self.prefix;
+
+        let secs = self.nanoseconds / 1_000_000_000;
         let mins = secs / 60;
         let hours = mins / 60;
 
         let secs = secs - (mins * 60);
         let mins = mins - (hours * 60);
 
-        let milliseconds = value.milliseconds % 1_000;
+        let nanoseconds = self.nanoseconds % 1_000_000_000;
 
-        let secs_sign = if secs < 0 || milliseconds < 0 {
-            "-"
-        } else {
-            ""
-        };
+        if hours != 0 {
+            write!(f, "{prefix}{} hours", hours)?;
+            prefix = " ";
+        }
+
+        if mins != 0 {
+            write!(f, "{prefix}{} mins", mins)?;
+            prefix = " ";
+        }
+
+        if secs != 0 || nanoseconds != 0 {
+            let secs_sign = if secs < 0 || nanoseconds < 0 { "-" } else { "" };
+            write!(
+                f,
+                "{prefix}{}{}.{:09} secs",
+                secs_sign,
+                secs.abs(),
+                nanoseconds.abs()
+            )?;
+        }
 
-        write!(
-            f,
-            "0 years 0 mons {} days {} hours {} mins {}{}.{:03} secs",
-            value.days,
-            hours,
-            mins,
-            secs_sign,
-            secs.abs(),
-            milliseconds.abs(),
-        )?;
         Ok(())
     }
 }
 
-impl<'a> DisplayIndex for &'a PrimitiveArray<IntervalMonthDayNanoType> {
-    fn write(&self, idx: usize, f: &mut dyn Write) -> FormatResult {
-        let value = self.value(idx);
+struct MillisecondsFormatter<'a> {
+    milliseconds: i32,
+    prefix: &'a str,
+}
+
+impl<'a> Display for MillisecondsFormatter<'a> {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        let mut prefix = self.prefix;
 
-        let secs = value.nanoseconds / 1_000_000_000;
+        let secs = self.milliseconds / 1_000;
         let mins = secs / 60;
         let hours = mins / 60;
 
         let secs = secs - (mins * 60);
         let mins = mins - (hours * 60);
 
-        let nanoseconds = value.nanoseconds % 1_000_000_000;
-
-        let secs_sign = if secs < 0 || nanoseconds < 0 { "-" } else { "" };
-
-        write!(
-            f,
-            "0 years {} mons {} days {} hours {} mins {}{}.{:09} secs",
-            value.months,
-            value.days,
-            hours,
-            mins,
-            secs_sign,
-            secs.abs(),
-            nanoseconds.abs(),
-        )?;
+        let milliseconds = self.milliseconds % 1_000;
+
+        if hours != 0 {
+            write!(f, "{prefix}{} hours", hours,)?;
+            prefix = " ";
+        }
+
+        if mins != 0 {
+            write!(f, "{prefix}{} mins", mins,)?;
+            prefix = " ";
+        }
+
+        if secs != 0 || milliseconds != 0 {
+            let secs_sign = if secs < 0 || milliseconds < 0 {
+                "-"
+            } else {
+                ""
+            };
+
+            write!(
+                f,
+                "{prefix}{}{}.{:03} secs",
+                secs_sign,
+                secs.abs(),
+                milliseconds.abs()
+            )?;
+        }
+
         Ok(())
     }
 }

arrow-cast/src/pretty.rs

@@ -986,16 +986,16 @@ mod tests {
         let table = pretty_format_batches(&[batch]).unwrap().to_string();
 
         let expected = vec![
-            "+----------------------------------------------------+",
-            "| IntervalDayTime                                    |",
-            "+----------------------------------------------------+",
-            "| 0 years 0 mons -1 days 0 hours -10 mins 0.000 secs |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins -1.001 secs   |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins -0.001 secs   |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.001 secs    |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.010 secs    |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.100 secs    |",
-            "+----------------------------------------------------+",
+            "+------------------+",
+            "| IntervalDayTime  |",
+            "+------------------+",
+            "| -1 days -10 mins |",
+            "| -1.001 secs      |",
+            "| -0.001 secs      |",
+            "| 0.001 secs       |",
+            "| 0.010 secs       |",
+            "| 0.100 secs       |",
+            "+------------------+",
         ];
 
         let actual: Vec<&str> = table.lines().collect();
@@ -1032,23 +1032,23 @@ mod tests {
         let table = pretty_format_batches(&[batch]).unwrap().to_string();
 
         let expected = vec![
-            "+-----------------------------------------------------------+",
-            "| IntervalMonthDayNano                                      |",
-            "+-----------------------------------------------------------+",
-            "| 0 years -1 mons -1 days 0 hours -10 mins 0.000000000 secs |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins -1.000000001 secs    |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins -0.000000001 secs    |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000001 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000010 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000100 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000001000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000010000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000100000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.001000000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.010000000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 0.100000000 secs     |",
-            "| 0 years 0 mons 0 days 0 hours 0 mins 1.000000000 secs     |",
-            "+-----------------------------------------------------------+",
+            "+--------------------------+",
+            "| IntervalMonthDayNano     |",
+            "+--------------------------+",
+            "| -1 mons -1 days -10 mins |",
+            "| -1.000000001 secs        |",
+            "| -0.000000001 secs        |",
+            "| 0.000000001 secs         |",
+            "| 0.000000010 secs         |",
+            "| 0.000000100 secs         |",
+            "| 0.000001000 secs         |",
+            "| 0.000010000 secs         |",
+            "| 0.000100000 secs         |",
+            "| 0.001000000 secs         |",
+            "| 0.010000000 secs         |",
+            "| 0.100000000 secs         |",
+            "| 1.000000000 secs         |",
+            "+--------------------------+",
         ];
 
         let actual: Vec<&str> = table.lines().collect();

arrow-flight/Cargo.toml

@@ -44,11 +44,11 @@ bytes = { version = "1", default-features = false }
 futures = { version = "0.3", default-features = false, features = ["alloc"] }
 once_cell = { version = "1", optional = true }
 paste = { version = "1.0" }
-prost = { version = "0.12.3", default-features = false, features = ["prost-derive"] }
+prost = { version = "0.13.1", default-features = false, features = ["prost-derive"] }
 # For Timestamp type
-prost-types = { version = "0.12.3", default-features = false }
+prost-types = { version = "0.13.1", default-features = false }
 tokio = { version = "1.0", default-features = false, features = ["macros", "rt", "rt-multi-thread"] }
-tonic = { version = "0.11.0", default-features = false, features = ["transport", "codegen", "prost"] }
+tonic = { version = "0.12.0", default-features = false, features = ["transport", "codegen", "prost"] }
 
 # CLI-related dependencies
 anyhow = { version = "1.0", optional = true }
@@ -70,8 +70,9 @@ cli = ["anyhow", "arrow-cast/prettyprint", "clap", "tracing-log", "tracing-subsc
 [dev-dependencies]
 arrow-cast = { workspace = true, features = ["prettyprint"] }
 assert_cmd = "2.0.8"
-http = "0.2.9"
-http-body = "0.4.5"
+http = "1.1.0"
+http-body = "1.0.0"
+hyper-util = "0.1"
 pin-project-lite = "0.2"
 tempfile = "3.3"
 tokio-stream = { version = "0.1", features = ["net"] }

arrow-flight/examples/flight_sql_server.rs

@@ -783,7 +783,8 @@ impl ProstMessageExt for FetchResults {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use futures::TryStreamExt;
+    use futures::{TryFutureExt, TryStreamExt};
+    use hyper_util::rt::TokioIo;
     use std::fs;
     use std::future::Future;
     use std::net::SocketAddr;
@@ -843,7 +844,8 @@ mod tests {
             .serve_with_incoming(stream);
 
         let request_future = async {
-            let connector = service_fn(move |_| UnixStream::connect(path.clone()));
+            let connector =
+                service_fn(move |_| UnixStream::connect(path.clone()).map_ok(TokioIo::new));
             let channel = Endpoint::try_from("http://example.com")
                 .unwrap()
                 .connect_with_connector(connector)