Implement unparse IS_NULL to String and enhance the tests
#10529
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alamb
previously approved these changes
May 15, 2024
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Thank you for the contribution @goldmedal -- this code looks like a great first contribution.
I just kicked off the CI checks and once we get them to pass successfully I'll merge this PR in
| Expr::IsNull(_) => not_impl_err!("Unsupported Expr conversion: {expr:?}"), | ||
| Expr::IsNull(expr) => { | ||
| Ok(ast::Expr::IsNull(Box::new(self.expr_to_sql(expr)?))) | ||
| } | ||
| Expr::IsNotFalse(_) => not_impl_err!("Unsupported Expr conversion: {expr:?}"), |
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Ah it looks like I maybe mis read the code originally and the other missing expression is Expr::IsNotFalse (rather than Expr::IsNotNull)
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Thanks for reviewing! I think I can fix IsNotFalse in another PR. What do you think?
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I think a second PR will be great
yyy1000
approved these changes
May 15, 2024
alamb
approved these changes
May 15, 2024
|
Thanks again @goldmedal -- welcome to the project! |
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Which issue does this PR close?
Closes #10519
Rationale for this change
What changes are included in this PR?
I found that
is_not_nullhas been supported. I only implement 'is_null` here.Are these changes tested?
Yes, I also added more test cases for
is_nullandis_not_null(e.g. function call and case when).Are there any user-facing changes?
No