Update xlsx table (#316)

This PR is a fix for issue #259

List of updates/fixes:
* module xlsx renamed to excel.
* Allow reading not only xlsx format but also xls, ods, xlsb
* Allow Excel DateTime format and transform it to arrow
Timestamp(Seconds, None)
* Allow using NULLs in any data types and use null value instead of
string "null"
* Fix issue with incorrect data type inference when multiple data types
are detected.
* Add possibility to specify data schema in config.
* Add new options: -
rows_range_start
 - rows_range_end
 - columns_range_start
 - columns_range_end
 - schema_inference_lines
* Make sheet_name optional and if it is not specified than use first
sheet by default

* Bump calamine crate to version 0.23.1 and add feature "dates"
(supporting for DateTime column format)

Documentation updates: roapi/docs#20

README.md

@@ -318,7 +318,7 @@ Data layer:
   - [x] JSON
   - [x] NDJSON
   - [x] parquet
-  - [x] xls, xlsx, xlsm, ods: https://github.com/tafia/calamine
+  - [x] xls, xlsx, xlsb, ods: https://github.com/tafia/calamine
   - [x] [DeltaLake](https://delta.io/)
 
 Misc:

columnq/Cargo.toml

@@ -39,7 +39,7 @@ reqwest = { version = "0.11", default-features = false, features = [
     "blocking",
     "json",
 ] }
-calamine = "0.19.1"
+calamine = {version = "0.23.1", features = ["dates"]}
 
 tokio = { version = "1", features = ["rt-multi-thread"] }
 futures = "0.3"

columnq/src/error.rs

@@ -39,8 +39,8 @@ pub enum ColumnQError {
     #[error("Error loading Delta table: {0}")]
     LoadDelta(String),
 
-    #[error("Error loading Xlsx table: {0}")]
-    LoadXlsx(String),
+    #[error("Error loading Excel table: {0}")]
+    LoadExcel(String),
 
     #[error("Error loading data from HTTP store: {0}")]
     HttpStore(String),