Disable access to the field keyword in the new SQL engine

[penghuo]

*Issue #, if available: #1019

Description of changes:

1. Disable access to the field keyword in the new SQL engine.
2. Add as a breaking change for new SQL engine release. https://github.com/penghuo/sql/blob/issue-1019/docs/dev/NewSQLEngine.md#312-syntax-and-semantic

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov]

Codecov Report

Merging #1025 (f163a20) into develop (1dbf244) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@              Coverage Diff              @@
##             develop    #1025      +/-   ##
=============================================
- Coverage      99.87%   99.87%   -0.01%     
+ Complexity      2416     2415       -1     
=============================================
  Files            234      234              
  Lines           5547     5544       -3     
  Branches         359      358       -1     
=============================================
- Hits            5540     5537       -3     
  Misses             5        5              
  Partials           2        2              

Impacted Files	Coverage Δ	Complexity Δ
...search/sql/elasticsearch/mapping/IndexMapping.java	100.00% <ø> (ø)	13.00 <0.00> (-2.00)
.../sql/elasticsearch/storage/ElasticsearchIndex.java	100.00% <100.00%> (ø)	4.00 <2.00> (+1.00)

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[dai-chen]

Thanks for the changes!