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Posted to github@datafusion.apache.org by "wugeer (via GitHub)" <gi...@apache.org> on 2024/10/12 07:30:24 UTC
[I] hive doesn't support `!` as a synonym for `not` [datafusion-sqlparser-rs]
wugeer opened a new issue, #1471:
URL: https://github.com/apache/datafusion-sqlparser-rs/issues/1471
Hive supports `!` as a synonym for `not`, but the current project's Hive dialect supports the `select !a` syntax.
https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=27362046#LanguageManualUDF-LogicalOperators
The reproduction steps are as follows:
```bash
echo "select not (false), !a" > ok.sql
cargo run --features json_example --example cli ok.sql --hive
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.02s
Running `target/debug/examples/cli ok.sql --hive`
Parsing from file 'ok.sql' using HiveDialect
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] Parsing sql 'select not (false), !a
'...
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] parsing expr
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] parsing expr
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] parsing expr
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] prefix: Value(Boolean(false))
2024-10-12T07:25:23.412Z DEBUG [sqlparser::dialect] get_next_precedence_full() TokenWithLocation { token: RParen, location: Location { line: 1, column: 18 } }
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] next precedence: 0
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] prefix: Nested(Value(Boolean(false)))
2024-10-12T07:25:23.412Z DEBUG [sqlparser::dialect] get_next_precedence_full() TokenWithLocation { token: Comma, location: Location { line: 1, column: 19 } }
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] next precedence: 0
2024-10-12T07:25:23.412Z DEBUG [sqlparser::parser] prefix: UnaryOp { op: Not, expr: Nested(Value(Boolean(false))) }
2024-10-12T07:25:23.413Z DEBUG [sqlparser::dialect] get_next_precedence_full() TokenWithLocation { token: Comma, location: Location { line: 1, column: 19 } }
2024-10-12T07:25:23.413Z DEBUG [sqlparser::parser] next precedence: 0
2024-10-12T07:25:23.413Z DEBUG [sqlparser::parser] parsing expr
Error during parsing: ParserError("Expected: an expression, found: ! at Line: 1, Column: 21")
```
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Re: [I] hive doesn't support `!a` expression [datafusion-sqlparser-rs]
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb closed issue #1471: hive doesn't support `!a` expression
URL: https://github.com/apache/datafusion-sqlparser-rs/issues/1471
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