QuerySqlGenerator.VisitUnion(UnionExpression) Method
Definition
Important
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Generates SQL for a UNION set operation.
protected override System.Linq.Expressions.Expression VisitUnion(Microsoft.EntityFrameworkCore.Query.SqlExpressions.UnionExpression unionExpression);
protected virtual System.Linq.Expressions.Expression VisitUnion(Microsoft.EntityFrameworkCore.Query.SqlExpressions.UnionExpression unionExpression);
override this.VisitUnion : Microsoft.EntityFrameworkCore.Query.SqlExpressions.UnionExpression -> System.Linq.Expressions.Expression
abstract member VisitUnion : Microsoft.EntityFrameworkCore.Query.SqlExpressions.UnionExpression -> System.Linq.Expressions.Expression
override this.VisitUnion : Microsoft.EntityFrameworkCore.Query.SqlExpressions.UnionExpression -> System.Linq.Expressions.Expression
Protected Overrides Function VisitUnion (unionExpression As UnionExpression) As Expression
Protected Overridable Function VisitUnion (unionExpression As UnionExpression) As Expression
Parameters
- unionExpression
- UnionExpression
The UnionExpression for which to generate SQL.
Returns
The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.