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validate_drop_expression

uqa_sql::schema::columns::alteration

Function validate_drop_expression 

Source 
pub fn validate_drop_expression(
    context: &ColumnAlterAnalysisContext<'_>,
    table: &str,
    name: &str,
    if_exists: bool,
) -> Result<Option<SQLNotice>, SQLError>
Expand description

ATExecDropExpression’s checks: the notice that skips a column that is not generated under IF EXISTS, or None to drop the expression of a stored generated column.