bigschema 1.0.3

bigschema provide primitives for writing more maintainable/readable schemas for bigquery in yamland getting bigquery target output from the specification.

### BigSchema

This library is meant as a simple way to generate the big query boilerplate
given a simple yaml based schema.


#### CLI Tool

The library comes with a simple command line tool that takes a source file,
an optional destination directory default is ```./schema/``` and an output
format and transforms the given yaml specifications to BigQuery compliant
schema in the desired output format.

```bash
$ bigschema --help

Usage: bigschema [OPTIONS] SOURCE [DESTINATION]
Options:
-f, --output-format [java|json]
Which format to output the data in? Default
is JSON
-o, --overwrite BOOLEAN Should we overwrite the data in existing
file? Default is FALSE
--help Show this message and exit.

```


#### File Specification

```yaml
spec-mode: "compact" | "verbose"

---------------------------------------------------------------------------------
spec-mode: "verbose"
--------------------

table:
type: "table"
fields:
- name:
type: "integer" | "float" | "string" | "timestamp" | "boolean" | "bytes" | "record_name"
mode: "nullable" | "repeated" | "required"

record:
type: "record"
fields:
- name:
type: "integer" | "float" | "string" | "timestamp" | "boolean" | "bytes" | "record_name"
mode: "nullable" | "repeated" | "required"


----------------------------------------------------------------------------------
spec-mode: "compact"
--------------------

table:
type: table
fields:
- name_of_column, type_of_column, mode_of_column

record:
type: record
fields:
- name_of_column, type_of_column, mode_of_column
```