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why SELECT * FROM f_typetest('1'); will work? '1' is a string. Can you please further elaborate it?

jian
– jian

2021-10-17 12:08:24 +00:00
Commented Oct 17, 2021 at 12:08
@Jian: Please read again, focussing on "string constant" vs. "numeric constant"

Erwin Brandstetter
– Erwin Brandstetter

2021-10-18 12:58:04 +00:00
Commented Oct 18, 2021 at 12:58

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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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