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I like that this uses the select statement with aliases and uses more of an "immutable" type of framework. I did, however, find that the toDF function and a list comprehension that implements whatever logic is desired was much more succinct. for example, def append_suffix_to_columns(spark_df, suffix): return spark_df.toDF([c + suffix for c in spark_df.columns])

John Haberstroh
– John Haberstroh

2020-10-01 01:52:15 +00:00
Commented Oct 1, 2020 at 1:52
Since mapping is a dictionary, why can't you simply use mapping[c] instead of mapping.get(c, c)?

Sheldore
– Sheldore

2021-01-31 00:41:20 +00:00
Commented Jan 31, 2021 at 0:41

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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)

<https://example.com>

[example](https://example.com)

<a href="https://example.com">example</a>

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