nodejs-polars
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ReadCsvOptions
Interface ReadCsvOptions
interface
ReadCsvOptions
{
chunkSize
:
number
;
columns
:
string
[]
;
commentChar
:
string
;
dtypes
:
Record
<
string
,
DataType
>
;
encoding
:
"utf8"
|
"utf8-lossy"
;
endRows
:
number
;
eolChar
:
string
;
hasHeader
:
boolean
;
ignoreErrors
:
boolean
;
inferSchemaLength
:
null
|
number
;
lowMemory
:
boolean
;
missingIsNull
:
boolean
;
nRows
:
number
;
nullValues
:
string
|
string
[]
|
Record
<
string
,
string
>
;
numThreads
:
number
;
projection
:
number
;
quoteChar
:
string
;
raiseIfEmpty
:
boolean
;
rechunk
:
boolean
;
rowCount
:
RowCount
;
schema
:
Record
<
string
,
DataType
>
;
sep
:
string
;
skipRows
:
number
;
skipRowsAfterHeader
:
number
;
startRows
:
number
;
truncateRaggedLines
:
boolean
;
tryParseDates
:
boolean
;
}
Index
Properties
chunk
Size
columns
comment
Char
dtypes
encoding
end
Rows
eol
Char
has
Header
ignore
Errors
infer
Schema
Length
low
Memory
missing
Is
Null
n
Rows
null
Values
num
Threads
projection
quote
Char
raise
If
Empty
rechunk
row
Count
schema
sep
skip
Rows
skip
Rows
After
Header
start
Rows
truncate
Ragged
Lines
try
Parse
Dates
Properties
chunk
Size
chunkSize
:
number
columns
columns
:
string
[]
comment
Char
commentChar
:
string
dtypes
dtypes
:
Record
<
string
,
DataType
>
encoding
encoding
:
"utf8"
|
"utf8-lossy"
end
Rows
endRows
:
number
eol
Char
eolChar
:
string
has
Header
hasHeader
:
boolean
ignore
Errors
ignoreErrors
:
boolean
infer
Schema
Length
inferSchemaLength
:
null
|
number
low
Memory
lowMemory
:
boolean
missing
Is
Null
missingIsNull
:
boolean
n
Rows
nRows
:
number
null
Values
nullValues
:
string
|
string
[]
|
Record
<
string
,
string
>
num
Threads
numThreads
:
number
projection
projection
:
number
quote
Char
quoteChar
:
string
raise
If
Empty
raiseIfEmpty
:
boolean
rechunk
rechunk
:
boolean
row
Count
rowCount
:
RowCount
schema
schema
:
Record
<
string
,
DataType
>
sep
sep
:
string
skip
Rows
skipRows
:
number
skip
Rows
After
Header
skipRowsAfterHeader
:
number
start
Rows
startRows
:
number
truncate
Ragged
Lines
truncateRaggedLines
:
boolean
try
Parse
Dates
tryParseDates
:
boolean
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Properties
chunk
Size
columns
comment
Char
dtypes
encoding
end
Rows
eol
Char
has
Header
ignore
Errors
infer
Schema
Length
low
Memory
missing
Is
Null
n
Rows
null
Values
num
Threads
projection
quote
Char
raise
If
Empty
rechunk
row
Count
schema
sep
skip
Rows
skip
Rows
After
Header
start
Rows
truncate
Ragged
Lines
try
Parse
Dates
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