Comments (2)
I guess it is intentional to infer the schema from the first ten rows. I would like to make the following changes..
- Make
excerptSize
a read option. The default can be ten. This option would only apply wheninferSchema
is true - Make parsing more permissive so that if a number is expected but it's a string value that cannot be parsed as a number, set it to
NaN
from spark-excel.
Hi @davidw76,
that's a good idea! I intended to make the excerptSize
configurable, but forgot about it in the end...
So, if you want to create a PR, I'd be happy to review and release it.
from spark-excel.
Related Issues (20)
- [BUG] last Columns with first line value empty not being read from .xlsx HOT 3
- support spark 3.5 HOT 3
- Incorrect Data Frame creation HOT 1
- [BUG] ClassNotFoundException for 'excel.DefaultSource' while using API V2 HOT 13
- Mentioned jar for scala 2.12 does not exist HOT 2
- [BUG] <infer schema should not include the auto generated columns>
- [BUG] Spark Excel is Incompatible with AWS EMR v6.13 and higher HOT 2
- [BUG] ClassCastException: scala.Some cannot be cast to [Lorg.apache.spark.sql.catalyst.InternalRow HOT 6
- [BUG] Incorrect date formatting if I indicate sheet Spark Read Excel HOT 1
- [BUG] Excel File with Macros Detected as "Potentially" Malicious. Unable to read Excel as a result. HOT 1
- [BUG] When Read Excel Files, Several Errors Using Java HOT 2
- Error Handling for Corrupt Files in Chunk Processing HOT 1
- [BUG] No thrown exception if schema is provieded, but there is no workbook/sheet (PDF with XLSX Extension)
- [FEATURE] Optimize JAR size HOT 2
- [BUG] Cannot read files into dataframe in Databricks 13.3 LTS Runtime 3.3.0 Spark HOT 3
- Extract sheet names using pyspark HOT 4
- [BUG] Wrong place to put maxRowsInMemory
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- Unable to download the jar of any version over com.crealytics:spark-excel_2.12:0.13.7
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