pola-rs/polars
Documented errors, page 7 of 8. Back to pola-rs/polars
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| activate 'product' feature | panic | error | polars, rust, cargo-features, feature-gate |
| can only call '.item()' if the Series is of length 1, or an… | exception | error | polars, valueerror, scalar, series |
| Comparison of MapArrays is not yet supported | panic | error | |
| received both and as arguments; has been renamed to in… | exception | error | python, polars, removed-argument, keyword-arguments |
| invalid time unit | validation | error | polars, parametric, datetime, invalid-argument |
| no data found in the given workbook(s) and sheet(s) | exception | error | excel, polars, empty-data, nodataerror |
| the values of `has_header` and `read_options["header_row"]`… | validation | error | polars, excel, parameter-collision, calamine |
| azure-identity must be installed to use… | exception | error | python, azure, missing-dependency, credentials |
| engine must be one of | validation | error | python, polars, database, invalid-enum-value |
| escape_regex function is unsupported for `Expr`, you may… | validation | error | polars, regex, expr, api-misuse |
| failed to open spill file | panic | critical | io, filesystem, file-not-found, panic |
| index positions should be greater than or equal to -2^32 | exception | error | polars, indexing, valueerror, negative-index |
| `n_rows` cannot be used with `use_pyarrow=True` and… | validation | error | ipc, arrow, pyarrow, n-rows |
| no read method found | panic | error | |
| ` ` is not supported by the remote engine | exception | error | polars, polars-cloud, unsupported-option, remote-engine |
| no matching sheet found when `sheet_id` is | validation | error | python, polars, excel, sheet-id, index |
| worksheet object requires the parent workbook object; found… | validation | error | excel, polars, worksheet, workbook, missing-argument |
| you should pass the column to join on as an argument | exception | error | polars, python, join, missing-argument |
| `collect_all_async` is not supported by | exception | error | python, polars, async, not-implemented |
| `collect_all` is not supported by | exception | error | python, polars, parallelism, not-implemented |
| Enum categories must be strings; | exception | error | polars, enum, type-error, dtype |
| expected float | panic | error | |
| ordering for Array dtype is not supported | panic | error | polars, rust, sorting, array-dtype |
| Writing to parquet not yet implemented | panic | error | parquet, unsupported-dtype, writer, todo |
| cannot exclude by both column name and dtype | validation | error | polars, selectors, conflicting-options |
| cannot parse numpy data type | exception | error | python, numpy, polars, dtype |
| cannot unpack series | panic | error | |
| `collect_batches` is not supported by | exception | error | python, polars, streaming, not-implemented |
| File to have ended | panic | error | parquet, writer, invalid-state, finalize |
| pyarrow>=8.0.0 is required for… | exception | error | polars, pyarrow, version-requirement, dependency, pandas |
| thrift bool field | panic | error | |
| activate the 'dtype-struct' feature to handle struct data… | panic | error | polars, rust, feature-flags, arrow |
| can not get dtype of Enum AnyValue | panic | error | polars, panic, enum, unsupported-operation |
| into_datetime not implemented for | panic | error | polars, rust, panic, datetime, dtype |
| invalid value for POLARS_CSV_CHUNK_PREFETCH_LIMIT | panic | error | environment-variable, panic, csv, configuration |
| object does not support PyCapsule interface; found | exception | error | polars, arrow, interop |
| the argument for has been removed in version . It was… | exception | error | python, polars, removed-parameter, migration, version |
| cannot set both `with_column_names` and `new_columns`… | exception | error | python, csv, lazy, conflicting-options |
| missing join columns for left frame | validation | error | python, polars, join, missing-argument |
| table named not found in sheet / else / no named tables… | exception | error | |
| can only convert date/datetime to NaiveTime | panic | error | polars, panic, temporal, type-mismatch |
| cannot use 'include_key' without specifying 'key' | validation | error | polars, partitioning, validation |
| expected connection to be a URI string; found | validation | error | polars, database, uri, type-error |
| index is out of bounds for DataFrame of height | exception | error | polars, dataframe, index-out-of-bounds, row-selection |
| invalid table style key | validation | error | excel, polars, table-style, config |
| invalid value for POLARS_IDEAL_SINK_MORSEL_SIZE_BYTES | panic | error | environment-variable, panic, configuration, morsel |
| "pad_end" expects a `str`, given a | exception | error | python, polars, type-error, arguments |
| `schema` cannot be used with `use_pyarrow=True` | validation | error | polars, parquet, pyarrow, schema |
| activate 'propagate_nans' feature | panic | error | rust, polars, feature-flags, aggregation |
| invalid `scaling_mode | exception | error | polars, polars-cloud, remote-engine, invalid-enum-value |
| activate the 'object' feature to be able to load… | panic | error | polars, rust, feature-flags, arrow-extension |
| arr.dot query vector must be one-dimensional | exception | error | python, polars, value-error, numpy, arrays |
| cannot use " " for indexing | exception | error | polars, python, setitem, invalid-key, type-error |
| invalid `time_unit` Expected one of | exception | error | |
| method must be one of | validation | error | python, polars, dataframe, invalid-enum |
| pandas>=1.5.0 is required for… | exception | error | polars, pandas, version-requirement, dependency, pyarrow |
| at least one predicate or constraint must be provided | exception | error | polars, filter, predicates |
| cannot call `map_groups` when grouping by named expressions | exception | error | python, polars, group-by, type-error |
| Cannot compare two series of different lengths. | panic | error | rust, polars, comparison, length-mismatch |
| DataTypeGroup items must be dtypes; found | exception | error | python, polars, type-error, datatypes |
| did not receive credentials from temporary credentials API… | exception | error | unity-catalog, credentials, network |
| negative ordinal values are invalid for | validation | error | sql, syntax, ordinal, polars-sql |
| failed to write the schema into the file | panic | error | io, file-write, panic |
| invalid POLARS_REGEX_SIZE_LIMIT | panic | error | rust, regex, environment-variable, parsing |
| are different ( )\n[left]: \n[right] | exception | error | polars, testing, assertion, comparison |
| DataFrame `how` must be one of | validation | error | polars, concat, invalid-enum-value, dataframe |
| expected pandas DataFrame or Series, got | exception | error | python, polars, pandas, type-error |
| polars.testing.parametric requires the 'hypothesis'… | exception | error | polars, testing, optional-dependency, hypothesis |
| unknown type for `catalog` parameter | validation | error | python, polars, iceberg, type-mismatch, pyiceberg |
| cannot sink to static Iceberg table | validation | error | python, polars, iceberg, noop-catalog |
| `columns` arg should only have unique values, got | exception | error | python, polars, io, value-error |
| expected values when selecting columns by boolean mask, got | exception | error | polars, dataframe, boolean-mask, shape-mismatch |
| negative slice lengths | validation | error | polars, python, lazyframe, slicing |
| are equal (but are expected not to be) | exception | error | polars, testing, assertion, frame-equality |
| ordering for Struct dtype is not supported | panic | error | polars, rust, sorting, struct-dtype |
| cannot : no data_source_format found | exception | error | unity-catalog, table-metadata, unsupported-format |
| Cannot pass a dictionary as a single positional… | exception | error | polars, api-usage, dict |
| failed to read spill file | panic | critical | io, ipc, corruption, data-loss, panic |
| 'left_on' requires corresponding 'right_on' | validation | error | polars, python, join, missing-argument |
| List too large | panic | error | |
| `orient` must be one of | validation | error | python, polars, invalid-argument, orient |
| you need to pass delta_merge_options with at least a given… | exception | error | python, polars, delta-lake, merge, missing-argument |
| input frames must be of a consistent type (all LazyFrame or… | validation | error | polars, align-frames, type-error |
| Invalid time unit ' ' for Time. | panic | error | arrow, json-serialization, time-unit, panic |
| `n_rows` cannot be used with `use_pyarrow=True` | validation | error | polars, parquet, pyarrow |
| reduce_balanced() of empty iterable | exception | error | polars, concat, empty-input |
| is not a valid polars datatype | validation | error | |
| iterable passed to pl.Schema contained duplicate name | exception | error | python, polars, schema, duplicate |
| cannot use offsetted() on a negative slice | panic | error | rust, panic, invalid-state, slices |
| input string does not contain DataFrame or Series | exception | error | python, polars, value-error, parsing |
| supplying 'columns' param value is mandatory for sparklines | validation | error | polars, excel, sparkline, validation |
| `n` parameter of `repeat expected a `int` or `Expr` got a | exception | error | python, polars, type-error, arguments |
| escape_regex function supports only `str` type, got | validation | error | polars, regex, type-error |
| invalid input for `col` Expected `str` or `DataType`, got | validation | error | polars, type-error, python |
| reading delta deletion vectors requires deltalake >= | exception | error | |
| time zone of dtype ( ) differs from time zone of value ( ) | validation | error | python, polars, datetime, timezone |
| cannot merge_sort empty list | validation | error | polars, merge-sorted, empty-input |
| cannot specify both `sheet_name | validation | error | python, polars, mutually-exclusive, excel |
| 'infer_schema_length' should be positive | validation | error | polars, ndjson, validation |
| Enum categories must not contain null values | exception | error | polars, enum, null, validation |