Fix build issues

Cargo.toml

@@ -18,12 +18,13 @@ clap = { version = "4.1.8", features = ["derive"] }
 anyhow = "1.0"
 
 itertools = "0.10.3"
-chrono = {version = "0.4.23", features = ["default", "serde"]}
+chrono = {version = "0.4.31", features = ["default", "serde"]}
 
 rayon = "1.6.0"
 tokio = { version = "1.26.0", features = ["full"] }
 sqlx = { version = "0.6", features = [ "runtime-tokio-rustls", "mssql" ] }
 rmp-serde = "1.1.1"
+polars = { version = "0.32.1", features = ["lazy", "dtype-datetime"] }
 
 # More info on targets: https://doc.rust-lang.org/cargo/reference/cargo-targets.html#configuring-a-target
 [lib]

src/overhead_allocation.rs

@@ -266,7 +266,7 @@ where
             let mut limited_ccs: Vec<String> = Vec::new();
             for limit_to in limit_tos.iter() {
                 // TODO: It is technically possible to have more than one limit to (I think?) for a slot, so consider eventually splitting this and doing a foreach
-                let limit_value = area.get(&("LimitTo:".to_owned() + limit_to)).unwrap();
+                let limit_value = area.get(&format!("LimitTo:{}", limit_to)).unwrap();
                 if limit_value.is_empty() {
                     continue;
                 }
@@ -274,7 +274,7 @@ where
                     limited_ccs.push(limit_value.clone());
                 } else {
                     let mut found_ccs = rollups
-                        .get(&("RollupSlot:".to_owned() + limit_to))
+                        .get(&format!("RollupSlot:{}", limit_to))
                         .map(|rollups| rollups.get(limit_value))
                         .flatten()
                         .unwrap()

src/products/csv.rs

@@ -34,6 +34,7 @@ impl From<&String> for SourceType {
             "S" => SourceType::Service,
             "R" => SourceType::Revenue,
             "T" => SourceType::Transfer,
+            _ => panic!{}
         }
     }
 }
@@ -279,7 +280,7 @@ where
                     equal: record.get("FilterNotIn").unwrap() != "",
                     field: record.get("FilterField").unwrap().clone(),
                     value: record.get("FilterValue").unwrap().clone(),
-                    source_type: record.get("FilterSourceType").unwrap().clone(),
+                    source_type: SourceType::from(&record.get("FilterSourceType").unwrap().clone()),
                 };
                 let all_filters = &mut all_definitions
                     .get_mut(record.get("Name").unwrap())
@@ -306,7 +307,7 @@ where
             }
             "Constraint" => {
                 let constraint = Constraint {
-                    source_type: record.get("ConstraintSourceType").unwrap().to_owned(),
+                    source_type: SourceType::from(&record.get("ConstraintSourceType").unwrap().to_owned()),
                     field: record.get("ConstraintColumn").unwrap().to_owned(),
                     constraint_type: ConstraintType::from(record.get("ConstraintType").unwrap()),
                     value: record.get("ConstraintValue").unwrap().to_owned(),