pseudomo opened a new issue #2466:
URL: https://github.com/apache/drill/issues/2466
Select from dfs.`path_to_sas_file` fails with error "Cannot invoke
"Object.getClass()" because "this.firstRow[counter]" is null"
if the first row of the file contains null values.
Can be reproduced with any sas file that contain null values in the first
row.
Apparently, the problem is here:
drill\contrib\format-sas\src\main\java\org\apache\drill\exec\store\sas\SasBatchReader.java
```
private TupleMetadata buildSchema() {
SchemaBuilder builder = new SchemaBuilder();
List<Column> columns = sasFileReader.getColumns();
int counter = 0;
for (Column column : columns) {
String fieldName = column.getName();
try {
MinorType type =
getType(**firstRow[counter].getClass()**.getSimpleName());
if (type == MinorType.BIGINT && !column.getFormat().isEmpty()) {
logger.debug("Found possible time");
type = MinorType.TIME;
}
builder.addNullable(fieldName, type);
} catch (Exception e) {
throw UserException.dataReadError()
.message("Error with column type: " +
firstRow[counter].getClass().getSimpleName())
.addContext(errorContext)
.build(logger);
}
counter++;
}
return builder.buildSchema();
}
```
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