Row
Bases: ABC
, Mapping[str, Any]
A one-dimensional collection of named, heterogeneous values.
This class cannot be instantiated directly. It is only used for arguments of callbacks.
Source code in src/safeds/data/tabular/containers/_row.py
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|
column_count: int
¶
The number of columns in the row.
column_names: list[str]
¶
The names of the columns in the row.
schema: Schema
¶
The schema of the row.
get_column_type
¶
Get the type of the specified column.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
name |
str
|
The name of the column. |
required |
Returns:
Name | Type | Description |
---|---|---|
type |
DataType
|
The type of the column. |
Raises:
Type | Description |
---|---|
ColumnNotFoundError
|
If the column name does not exist. |
Source code in src/safeds/data/tabular/containers/_row.py
get_value
¶
Get the value of the specified column. This is equivalent to using the []
operator (indexed access).
Parameters:
Name | Type | Description | Default |
---|---|---|---|
name |
str
|
The name of the column. |
required |
Returns:
Name | Type | Description |
---|---|---|
value |
Cell
|
The value of the column. |
Raises:
Type | Description |
---|---|
ColumnNotFoundError
|
If the column name does not exist. |
Examples:
>>> from safeds.data.tabular.containers import Table
>>> table = Table({"col1": [1, 2], "col2": [3, 4]})
>>> table.remove_rows(lambda row: row.get_value("col1") == 1)
+------+------+
| col1 | col2 |
| --- | --- |
| i64 | i64 |
+=============+
| 2 | 4 |
+------+------+
>>> table.remove_rows(lambda row: row["col1"] == 1)
+------+------+
| col1 | col2 |
| --- | --- |
| i64 | i64 |
+=============+
| 2 | 4 |
+------+------+
Source code in src/safeds/data/tabular/containers/_row.py
has_column
¶
Check if the row has a column with the specified name.
Parameters:
Name | Type | Description | Default |
---|---|---|---|
name |
str
|
The name of the column. |
required |
Returns:
Name | Type | Description |
---|---|---|
has_column |
bool
|
Whether the row has a column with the specified name. |