feat/adding scalar-variable expression #1260
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Pull Request Test Coverage Report for Build 8973785216Details
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iffyio
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May 9, 2024
| @@ -793,6 +793,11 @@ pub enum Expr { | |||
| OuterJoin(Box<Expr>), | |||
| /// A reference to the prior level in a CONNECT BY clause. | |||
| Prior(Box<Expr>), | |||
| /// Scalar variable creation e.g. `[@]foo INT` | |||
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Would it be possible to add a link to some documentation that uses this expression? I think that would be helpful in this case - e.g I'm unfamiliar with the syntax and unable to tell how it's used as a result
| @@ -793,6 +793,11 @@ pub enum Expr { | |||
| OuterJoin(Box<Expr>), | |||
| /// A reference to the prior level in a CONNECT BY clause. | |||
| Prior(Box<Expr>), | |||
| /// Scalar variable creation e.g. `[@]foo INT` | |||
| ScalarVariable { | |||
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hmm, it looks like we're missing implementation in the PR for how the parser actually parses/constructs the ScalarVariable expression or is that intended?
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@iffyio it is likely that this PR will not be needed, there is another route I am taking with the Scalar Variable in datafusion 👍 will leave it up just in case though. |
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marking as draft as we sort out what to do here |
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ScalarVariableexpression typeScalarVariablehas two fields one for the corresponding SQL datatype and one of the name of the variableExpr --> Stringdatafusion#9726