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DbScopeInfo 类

X#
Helper class to store references to all of the scope clause expressions.
继承层次
Object
  DbScopeInfo

命名空间:  XSharp.RDD.Support
程序集:  XSharp.Core (在 XSharp.Core.dll 中) 版本:2.22 GA
语法
 CLASS DbScopeInfo
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DbScopeInfo 类型公开以下成员。

构造函数
  名称说明
公共方法DbScopeInfo
Construct a DbScopeInfo object.
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方法
  名称说明
公共方法Clear
Clear the scope fields.
公共方法Clone
Clone the scopeinfo object.
公共方法Compile
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字段
  名称说明
公共字段ForBlock
A code block representing the conditional for clause. A for condition is, essentially, a filter that hides rows for which the condition evaluates to FALSE. The string value is provided for storage, while the code block is provided as a parameter for the EvalBlock() method.
公共字段ForExpression
A string representing the conditional for clause. A for condition is, essentially, a filter that hides rows for which the condition evaluates to FALSE. The string value is provided for storage, while the code block is provided as a parameter for the EvalBlock() method.
公共字段IgnoreDuplicates
A flag that is TRUE if a process should ignore duplicate key values.
公共字段IgnoreFilter
A flag that is TRUE if a process should ignore any filter condition imposed on the current work area.
公共字段IncludeDeleted
A flag that is TRUE if a process should include deleted rows.
公共字段Last
A flag that is TRUE if the last row of the current scope is required.
公共字段NextCount
Permits continuation of a process for the next lNext rows, while obeying for and while clauses.
公共字段RecId
Permits continuation of a process for a single row number, while obeying for and while clauses.
公共字段Rest
A flag that is TRUE if a process should continue stepping through data from the current work area cursor position until logical end-of-file.
公共字段WhileBlock
A code block representing the conditional while clause. A while condition permits continuation of a process that steps through rows until the condition evaluates to FALSE. The string value is provided for storage, while the code block is provided as a parameter for the EvalBlock() method.
公共字段WhileExpression
A string representing the conditional while clause. A while condition permits continuation of a process that steps through rows until the condition evaluates to FALSE. The string value is provided for storage, while the code block is provided as a parameter for the EvalBlock() method.
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参见