#210 File format v2 (#389)
* register data source for .format("excel")
* ignore .vscode
* V2 with new Spark Data Source API, uses FileDataSourceV2
* set header default to true, got 1st test passed
* ExcelHelper become options awareness
* handle string type for error-formula
* PlainNumberReadSuite is good now. Also fixed the issue in #285. This introduces a breaking change (good, I think)
* test-case for issue_285
* Handling Error Cells and Undefined Rows
* Test cases for #52 #74 #97 issues
* format & test cases for column pruning (projection)
* Added more test-cases for numerical types
* Stricter numerical types (Integer, Long and Double) in schema inferring. Issue #162
* preparing for final push on writing
* Apply format & Writing is working
* Added excel-row-number column for issues #40 #59 #115 and refactoring
* refactoring unit-tests
* preparing for MR
* Update all test-cases with ScalaTest 3.x
* Writing aware about dataAddress
* writing with dataAddress; No change on dependencies nor build script
* Schema Infering Improvement: {Iterator instead of Seq; Use both samplingRatio and excerptSize}
* added more recent spark version to CI/CD
* support from spark 2.4.1 up
* Fix scalastyle check & enable non-ascii character due to native of unit-tests
* Update src/main/2.4/scala/com/crealytics/spark/v2/excel/ExcelDataSource.scala
Co-authored-by: Martin Mauch <martin.mauch@gmail.com>
* Update src/main/2.4/scala/com/crealytics/spark/v2/excel/ExcelDataSource.scala
Co-authored-by: Martin Mauch <martin.mauch@gmail.com>
* spark-excel examples in Jupyter Notebook
Co-authored-by: Martin Mauch <martin.mauch@gmail.com>
