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38 lines (38 loc) · 911 Bytes
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namespace DataKit.SQL.QueryExpressions
{
public enum ExpressionType
{
/// <summary>
/// An SQL statement expression: SELECT, UPDATE, INSERT, DELETE, etc.
/// </summary>
Statement,
/// <summary>
/// An SQL function call on the SQL server.
/// </summary>
FunctionCall,
/// <summary>
/// A series of expressions being projected.
/// </summary>
Projection,
/// <summary>
/// A query parameter such as FROM, WHERE, ORDER BY etc.
/// </summary>
QueryParameter,
/// <summary>
/// Identifies a named item. ie, a column, an aliased projection, a table, etc.
/// </summary>
Identifier,
/// <summary>
/// Operators such as IN, AS, DISTINCT, etc.
/// </summary>
Operator,
/// <summary>
/// Parameters.
/// </summary>
Parameter,
/// <summary>
/// An extension expression.
/// </summary>
Extension = int.MaxValue
}
}