SQL Improvement

[beccamc]

• Custom SQL picker experience (per design spec)

Issues:

• Multiple auth prompts on reload Multiple re-auth window prompt up when reopening .mbconfig with data source as SQL server. #1899
• Escape column names Column names not properly escaped for SQL Server data source #1871
• Support GUID type Ignore GUID columns #1504
• Custom SQL Query Custom SQL Queries #1935
• Date time type Error with Dynamic SqlCommand Query with DateTime type #1744
• SQL data type conversion Recommendation: After changing the feature column 's Data type from "Single" to "String", the training should be completed successfully for Data source from SQL Server. #2099
  Reoccurring bugs:
• Shuffle input cursor reader failed with an exception:
• MLModel builder can not working with SQL Server?? #2084
• Model Builder Error on SQL + Binary Classification. #1747
• Data Classification: Model Builder Error message "Shuffle input cursor reader failed with an exception" #2071