Description Usage Arguments Value See Also
Create Table Columns based on a data frame
1 | as.tableColumns(source, doFullFileScan=TRUE, ... )
|
source |
A data frame or path to a csv file |
doFullFileScan |
Should the services suggest column types based on the entire file (TRUE - default) or the first 1000 rows of the file (FALSE). For large homogeneous files, doFullFileScan=FALSE will be faster, but may miss-classify the column types. |
linesToSkip |
When 'source' is a file path: The number of lines to skip from the start of the file. The default value of 0 will be used if this is not provided by the caller. |
quoteCharacter |
When 'source' is a file path: The character to used for quoted elements in the provided file. The default character '"' will be used if this is not provided by the caller. |
escapeCharacter |
When 'source' is a file path: The escape character used for escaping a separator or quote. The default character '\' will be used if this is not provided by the caller. |
lineEnd |
When 'source' is a file path: The line feed terminator to be used for the resulting file. The default value of '\n' will be used if this is not provided by the caller. |
separator |
When 'source' is a file path: The delimiter to used for separating entries in the provided file. The default character ',' will be used if this is not provided by the caller. For tab-separated values use '\t' |
A list containing two fields, 'tableColumns' and 'fileHandleId'.
tableColumns: A list of TableColumns matching the columns in the given file or data frame in terms of name and type.
fileHandleId: The ID of the uploaded file, suitable for passing to the Table constructor along with a schema. (See 'Table'.)
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