parseCube parses CUBE(col1, col2, ...) in GROUP BY clause CUBE generates all possible combinations of grouping sets Example: CUBE(a, b) generates: (a, b), (a), (b), ()
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| 82 | // CUBE generates all possible combinations of grouping sets |
| 83 | // Example: CUBE(a, b) generates: (a, b), (a), (b), () |
| 84 | func (p *Parser) parseCube() (*ast.CubeExpression, error) { |
| 85 | p.advance() // Consume CUBE |
| 86 | |
| 87 | expressions, err := p.parseGroupingExpressionList("CUBE") |
| 88 | if err != nil { |
| 89 | return nil, err |
| 90 | } |
| 91 | |
| 92 | return &ast.CubeExpression{ |
| 93 | Expressions: expressions, |
| 94 | }, nil |
| 95 | } |
| 96 | |
| 97 | // parseGroupingSets parses GROUPING SETS(...) in GROUP BY clause |
| 98 | // Allows explicit specification of grouping sets |
no test coverage detected