pola-rs/polars
Documented errors, page 4 of 8. Back to pola-rs/polars
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| to_list not implemented for unknown | panic | error | python, dtype, panic, lazyframe, to-list |
| cannot apply delta_table_options for table of type | exception | error | python, databricks, delta-lake, api-misuse |
| could not find Polars' Rust module | exception | error | |
| DataFrame should contain only String repr data; found | exception | error | python, polars, dtype, repr |
| invalid table format name | exception | error | config, table-display, formatting, validation, polars |
| expiration time in STS response did not contain timezone… | exception | error | python, aws, sts, timezone |
| cannot use credential_provider when passing a DeltaTable… | validation | error | python, polars, delta-lake, credentials, invalid-argument |
| `map` with `returns_scalar=False` must return a Series… | validation | error | python, polars, map, type-mismatch |
| __dlpack__ | exception | error | |
| failed to create spill directory | panic | critical | filesystem, permissions, ooc, configuration, panic |
| not yet implemented: `apply` cannot be used with `having`… | panic | error | polars-lazy, group-by, not-implemented, panic |
| POLARS_NO_FAST_FILE_COUNT must be one of ('0', '1'), got | panic | error | env-var, configuration, optimizer, panic |
| iceberg reader_override='native' failed | exception | error | iceberg, fallback, reader, compute-error |
| Unexpected UnaryOp | exception | error | iceberg, predicate, pyarrow, unary-operator |
| unimplemented | panic | error | rust, panic, csv, unimplemented, streaming |
| `describe_categorical` only works on categorical columns | exception | error | |
| expected list dtype | panic | error | |
| invalid value for POLARS_FORCE_NDJSON_READ_SIZE | panic | error | rust, env-var, ndjson, config |
| invalid value for POLARS_RECORD_BATCH_PREFETCH_KBYTES_BUDGET | panic | error | rust, env-var, ipc, config |
| profile() got an unexpected keyword argument | exception | error | |
| `schema_overrides` should be of type list or dict | exception | error | python, csv, type-error, schema |
| selecting rows by passing a boolean mask to `__getitem__`… | exception | error | |
| sink to Iceberg table with sort order | exception | error | iceberg, sort-order, unsupported, polars |
| cannot coerce datatypes | panic | error | rust, polars, checked-div, dtype-coercion, panic, arithmetic |
| cannot construct PySeries for type | exception | error | python, polars, dtype, constructor |
| or higher (found ) | exception | error | python, dependencies, version-conflict, optional-dependency |
| predicate not boolean | panic | error | |
| use of `how='outer_coalesce'` should be replaced with… | validation | error | polars, python, join, deprecation, version-upgrade |
| Can't patch loop of type | exception | error | asyncio, event-loop, polars |
| conversion of polars data type | exception | error | python, polars, dtype, conversion |
| Invalid time unit ' ' for Duration. | panic | error | arrow, json-serialization, time-unit, duration, panic |
| MutableUtf8ValuesArray can only be initialized with… | panic | error | rust, arrow, utf8, dtype, panic |
| 'with' not set in join builder | panic | error | |
| Map AnyValue payload must be a Struct | panic | error | polars, panic, map, invariant |
| reverse for FixedSizeList with non-numeric dtypes not yet… | panic | error | rust, polars, fixed-size-list, not-implemented |
| could not cast | panic | error | rust, polars, numcast, scalar-arithmetic, panic, type-mismatch |
| failed to open the schema file for writing | panic | error | io, file-write, panic |
| `fsspec` is required for `storage_options` argument | exception | error | python, io, missing-dependency, fsspec |
| Given array is not a DictionaryArray | panic | error | |
| invalid value for POLARS_HTTP_CONNECT_TIMEOUT_SECONDS | panic | error | rust, env-var, configuration, timeout, cloud-io |
| `percentiles` must all be in the range [0, 1] | exception | error | python, polars, percentiles, range |
| can't pass a Series with missing data to a generalized… | exception | error | numpy, polars, nulls, ufunc |
| "extract_groups" expects a `str`, given a | exception | error | polars, type-error, regex, python |
| failed to load iceberg deletion vector: 'python' feature… | panic | error | rust, iceberg, feature-flags, deletion-vector |
| Unknown comparison | exception | error | iceberg, predicate, pyarrow, comparison-operator |
| Unrecognised connection type | exception | error | database, type-error, connection, polars |
| expected at least one Series in 'corr' inputs if… | validation | error | python, polars, dataframe, arguments |
| failed to serialize the schema | panic | error | serialization, json, panic |
| query monitoring is not supported by the GPU engine | exception | error | polars, gpu, not-implemented, query-monitoring |
| StructArray must be initialized with DataType::Struct | panic | error | rust, arrow, panic, dtype |
| subtraction overflow | panic | error | rust, arithmetic, overflow, panic |
| unknown physical dtype | exception | error | polars, categorical, runtime-error, internal |
| comparing durations with different units is not supported | panic | error | polars, duration, comparison, time-unit |
| iceberg snapshot ID not found | validation | error | iceberg, snapshot, resource-not-found, python |
| `names` is not a sequence | exception | error | |
| no enum variants on FileType (hint: missing feature flags?) | panic | error | |
| Cannot call `plot. ` when Series name is 'index | exception | error | polars, plotting, altair, value-error, reserved-name |
| Cannot write to a finished stream | exception | error | arrow, ipc, stream, lifecycle |
| operator does not support primitive | panic | error | |
| Writing to JSON | panic | error | json-serialization, not-implemented, arrow, panic |
| activate object | panic | error | python, object-dtype, feature-flag, panic |
| LazyFrame is not subscriptable (aside from slicing) Use… | exception | error | python, polars, lazyframe, subscript |
| with not set | panic | error | |
| cannot specify both `n` and `fraction` | exception | error | python, polars, value-error, lists, sampling |
| failed to create file cache metadata directory: path = | panic | critical | filesystem, cache, permissions, panic |
| from_cats_and_dtype called on non-categorical type | panic | error | |
| more schema overrides are specified than there are selected… | validation | error | |
| The table's minimum reader version is | exception | error | python, polars, delta-lake, protocol, compatibility |
| TODO: map target not yet supported. | exception | error | python, polars, udf, dataframe-map |
| expected total ordering | panic | error | rust, sorting, partialord, nan, panic |
| extension type ' ' is already registered | exception | error | python, polars, extension, registry, duplicate-registration |
| adding durations with different units is not supported here | panic | error | rust, polars, duration, arithmetic |
| addition overflow: + | panic | error | rust, panic, integer-overflow, internal-invariant |
| invalid name | exception | error | |
| 'pre_execution_query' is only supported in connectorx… | exception | error | polars, connectorx, version-compatibility, sql |
| should not fail | panic | error | rust, polars, vstack, schema-mismatch, panic, unchecked-api |
| unsupported operand type(s) for op: ('Expr' - 'Selector') | validation | error | polars, selectors, operators, type-error |
| Cannot infer partition value from Parquet metadata for… | validation | error | iceberg, parquet, partitioning, statistics |
| unrecognised deprecation type | exception | error | python, polars, developer-tooling, internal-invariant |
| Dynamic MinMax is not yet implemented for | panic | error | rust, polars, not-implemented, min-max |
| invalid value for POLARS_INFLIGHT_SINK_MORSEL_LIMIT | panic | error | environment-variable, panic, configuration, streaming |
| negative stride is not supported in conjunction with… | exception | error | |
| could not execute mprotect for CPUID check | exception | error | python, polars, runtimeerror, mprotect, security-policy |
| failed to create file cache directory: path = | panic | critical | filesystem, cache, permissions, panic |
| invalid from_physical | panic | error | polars, rust, panic, dtype |
| multiple nested objects not yet supported | panic | error | rust, polars, object-dtype, nested-data |
| activate 'decompress' feature | panic | error | compression, feature-flag, zstd, panic |
| cannot convert List dtype to Tensor (use Array dtype… | exception | error | polars, torch, list-dtype, tensor, conversion |
| data does not match the number of columns | validation | error | python, polars, dataframe-construction, shape |
| Enum categories must be unique; found duplicate | exception | error | polars, enum, duplicate, validation |
| only ufuncs that return one 1D array are supported | exception | error | polars, python, numpy, ufunc, not-implemented |
| pyarrow is required for converting a pandas series to… | exception | error | polars, pandas, pyarrow, optional-dependency |
| this type isn't exposed to python | panic | critical | rust, pyo3, polars, panic, dtype |
| unsupported encoding | validation | error | |
| cannot treat NumPy array of type | exception | error | polars, numpy, dtype, indexing |
| expected one or more `str`, `DataType` or selector; found | validation | error | polars, selectors, type-error |
| gevent is required for using… | exception | error | python, async, gevent, optional-dependency |
| failed to load catalog for | exception | error | python, polars, iceberg, catalog, configuration |
| invalid value for POLARS_PYTHON_SCAN_RESOLVE_THREADS | panic | error | |
| POLARS_MEMORY_PREFETCH=madvise_populate_read is not… | panic | error | rust, configuration, environment-variable, linux-only |