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57 lines
1.3 KiB
57 lines
1.3 KiB
using Connected.Expressions.Serialization;
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using System.Diagnostics;
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using System.Linq.Expressions;
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namespace Connected.Expressions;
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public enum DatabaseExpressionType
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{
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Table = 1000,
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ClientJoin = 1001,
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Column = 1002,
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Select = 1003,
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Projection = 1004,
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Entity = 1005,
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Join = 1006,
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Aggregate = 1007,
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Scalar = 1008,
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Exists = 1009,
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In = 1010,
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Grouping = 1011,
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AggregateSubquery = 1012,
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IsNull = 1013,
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Between = 1014,
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RowCount = 1015,
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NamedValue = 1016,
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OuterJoined = 1017,
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Batch = 1018,
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Function = 1019,
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Block = 1020,
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If = 1021,
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Declaration = 1022,
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Variable = 1023
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}
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[DebuggerDisplay("{DebugText}")]
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public abstract class DatabaseExpression : Expression
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{
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private readonly Type _type;
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protected DatabaseExpression(DatabaseExpressionType expressionType, Type type)
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{
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ExpressionType = expressionType;
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_type = type;
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}
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public DatabaseExpressionType ExpressionType { get; }
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public override ExpressionType NodeType => (ExpressionType)(int)ExpressionType;
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public override Type Type => _type;
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private string DebugText => $"{GetType().Name}: {DatabaseExpressionExtensions.ResolveNodeTypeName(this)} := {this}";
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public override string ToString()
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{
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return DatabaseSerializer.Serialize(this);
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}
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}
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