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Support UNION/EXCEPT/INTERSECT

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This commit is contained in:
Nickolay Ponomarev 2019-02-07 14:43:37 +03:00
parent 533775c0da
commit 52e0f55b6f
6 changed files with 147 additions and 10 deletions
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6
src/dialect/keywords.rs
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@ -716,8 +716,7 @@ pub const ALL_KEYWORDS: &'static [&'static str] = &[
/// can be parsed unambiguously without looking ahead.
pub const RESERVED_FOR_TABLE_ALIAS: &'static [&'static str] = &[
// Reserved as both a table and a column alias:
WITH, SELECT, WHERE, GROUP, ORDER,
// TODO add these with tests: UNION, EXCEPT, INTERSECT,
WITH, SELECT, WHERE, GROUP, ORDER, UNION, EXCEPT, INTERSECT,
// Reserved only as a table alias in the `FROM`/`JOIN` clauses:
ON, JOIN, INNER, CROSS, FULL, LEFT, RIGHT, NATURAL, USING,
];
@ -726,8 +725,7 @@ pub const RESERVED_FOR_TABLE_ALIAS: &'static [&'static str] = &[
/// can be parsed unambiguously without looking ahead.
pub const RESERVED_FOR_COLUMN_ALIAS: &'static [&'static str] = &[
// Reserved as both a table and a column alias:
WITH, SELECT, WHERE, GROUP, ORDER,
// TODO add these with tests: UNION, EXCEPT, INTERSECT,
WITH, SELECT, WHERE, GROUP, ORDER, UNION, EXCEPT, INTERSECT,
// Reserved only as a column alias in the `SELECT` clause:
FROM,
];