WIP refactor channel config usage

scyllaconn/src/config.rs

@@ -1,50 +0,0 @@
-use crate::errconv::ErrConv;
-use err::Error;
-use futures_util::StreamExt;
-use netpod::log::*;
-use netpod::ChannelConfigQuery;
-use netpod::ChannelConfigResponse;
-use netpod::ScalarType;
-use netpod::SfDbChannel;
-use netpod::Shape;
-use scylla::Session as ScySession;
-use std::sync::Arc;
-
-// TODO unused, table in postgres.
-pub async fn config_from_scylla(chq: ChannelConfigQuery, scy: Arc<ScySession>) -> Result<ChannelConfigResponse, Error> {
-    let cql = "select series, scalar_type, shape_dims from series_by_channel where facility = ? and channel_name = ?";
-    let mut it = scy
-        .query_iter(cql, (chq.channel.backend(), chq.channel.name()))
-        .await
-        .err_conv()?;
-    let mut rows = Vec::new();
-    while let Some(row) = it.next().await {
-        let row = row.err_conv()?;
-        let cols = row.into_typed::<(i64, i32, Vec<i32>)>().err_conv()?;
-        let scalar_type = ScalarType::from_scylla_i32(cols.1)?;
-        let shape = Shape::from_scylla_shape_dims(&cols.2)?;
-        let channel = SfDbChannel::from_full(chq.channel.backend(), Some(cols.0 as _), chq.channel.name());
-        let res = ChannelConfigResponse {
-            channel,
-            scalar_type,
-            byte_order: None,
-            shape,
-        };
-        info!("config_from_scylla: {res:?}");
-        rows.push(res);
-    }
-    if rows.is_empty() {
-        return Err(Error::with_public_msg_no_trace(format!(
-            "can not find config for channel {:?}",
-            chq.channel
-        )));
-    } else {
-        if rows.len() > 1 {
-            error!(
-                "Found multiple configurations for channel  {:?}  {:?}",
-                chq.channel, rows
-            );
-        }
-        Ok(rows.pop().unwrap())
-    }
-}

scyllaconn/src/scyllaconn.rs

@@ -1,5 +1,4 @@
 pub mod bincache;
-pub mod config;
 pub mod errconv;
 pub mod events;
 pub mod status;