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[Python] - Support show function for DataFrame api of python library#942

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houqp merged 2 commits intoapache:masterfrom
francis-du:py_df_show
Aug 30, 2021
Merged

[Python] - Support show function for DataFrame api of python library#942
houqp merged 2 commits intoapache:masterfrom
francis-du:py_df_show

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@francis-du francis-du commented Aug 25, 2021 •
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Which issue does this PR close?

Closes #941

Rationale for this change

What changes are included in this PR?

Add show function for DataFrame api of python library

Are there any user-facing changes?

Users can directly print the query results by calling the show function.

import pyarrow as pa
from datafusion import ExecutionContext

ctx = ExecutionContext()

batch = pa.RecordBatch.from_arrays(
    [pa.array([1, 2, 3]), pa.array([4, 5, 6])],
    names=["a", "b"],
)

df = ctx.create_dataframe([[batch]])
df.show(10)

Result

+---+---+
| a | b |
+---+---+
| 1 | 4 |
| 2 | 5 |
| 3 | 6 |
+---+---+

andygrove
andygrove reviewed Aug 27, 2021
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Comment thread python/src/dataframe.rs
@francis-du @andygrove
Update python/src/dataframe.rs
e3334d4 
Co-authored-by: Andy Grove <andygrove73@gmail.com>
andygrove
andygrove approved these changes Aug 29, 2021
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LGTM

@houqp houqp added the enhancement New feature or request label Aug 30, 2021
@houqp houqp merged commit 775477f into apache:master Aug 30, 2021
H0TB0X420 pushed a commit to H0TB0X420/datafusion that referenced this pull request Oct 7, 2025
@kosiew
Add list_cat, list_concat, list_repeat (apache#942)
53cdb11 
* Add list_cat, list_concat

* Add list_repeat

* docs: add examples for list_cat, list_concat, and list_repeat functions

* Amend list_repeat code example - literal

* Amend list_ to array_ in documentation
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[Python] - Support show function for DataFrame api of python library

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@francis-du @andygrove @houqp