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src/QueryCat.Backend/Ast/Nodes/Select/SelectWindowPartitionClauseNode.cs
38 строк
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Ivan Kozhin
Improve AST clone support
29 апр 2024, 20:52
29 апр 2024, 20:52
a38ad63
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namespace QueryCat.Backend.Ast.Nodes.Select; internal sealed class SelectWindowPartitionClauseNode : AstNode { /// <summary> /// Partition by expressions. /// </summary> public List<ExpressionNode> ExpressionNodes { get; } = new(); /// <inheritdoc /> public override string Code => "window_partition"; public SelectWindowPartitionClauseNode(IEnumerable<ExpressionNode> expressionNodes) { ExpressionNodes.AddRange(expressionNodes); } public SelectWindowPartitionClauseNode(SelectWindowPartitionClauseNode node) : this(node.ExpressionNodes.Select(n => (ExpressionNode)n.Clone()).ToList()) { node.CopyTo(this); } /// <inheritdoc /> public override IEnumerable<IAstNode> GetChildren() { foreach (var expressionNode in ExpressionNodes) { yield return expressionNode; } } /// <inheritdoc /> public override object Clone() => new SelectWindowPartitionClauseNode(this); /// <inheritdoc /> public override void Accept(AstVisitor visitor) => visitor.Visit(this); }