Namespace: OpenEdge.DataAdmin.Binding.Query
Type: Class DataAdminQuery
Parent Classes:
Progress.Lang.Object
OpenEdge.DataAdmin.Binding.Query.DataAdminQuery

Inherits: Progress.Lang.Object

/* Copyright (c) 2011 by progress Software Corporation.
/*
/* all rights reserved. no part of this program or document
/* may be reproduced in any form or by any means without
/* permission in writing from progress Software Corporation.
Purpose: Base query
Notes: Does not set Tables
Known subclass trees
DataSource - does not call constructor
DBQuery -> DataSource -> many
Binding.Query
AbstraQueryContext -> FilteredContext -> many
-> CreateContext
-> more



Method Summary
  Options Name Purpose
  HANDLE CloneQuery (handle) /* We may clone this query in order to get row keys from a result without causing the 'real' query to reposition. This may be used when performing multi-select operations in the UI, where we don't want to move off the current record. Note that these actions may be expensive, because of the cost of creating, opening, etc the query. */
  CHARACTER ColumnValue (character)
  CreateQuery ()
  CHARACTER CurrentQuery ()
  CHARACTER DefaultQuery ()
  DeleteQuery ()
  HANDLE GetBufferHandles ()
  CHARACTER GetCurrentRowKey ()
  CHARACTER GetPosition () /* order neutral position that is safe if tables changes order passed back to setPosition note that one need all rowids when the unique table is not the first */
  LOGICAL Prepare ()
  RemoveQueryBuffers (handle)
  LOGICAL ResetQuery ()
  LOGICAL SetPosition (character)
  LOGICAL SetPosition (character[]) /* set position as returned from GetPosition */
  LOGICAL SetPosition (rowid[]) /* set position as returned from GetPosition */
  HANDLE SingleExtent (handle)
  CHARACTER TrimQuery (character) /* remove for or preselect from query - duplicated in DataAdminContext - belongs in utility */

Constructor Summary
  Options Name Purpose
  DataAdminQuery ()
  DataAdminQuery (character) /* constructor public DataAdminQuery(hBuffer as handle): this-object(hBuffer:name,SingleExtent(hBuffer)). end constructor. */

Property Summary
  Options Name Purpose
  CHARACTER BaseQuery
  CHARACTER BaseQueryTemplate
  CHARACTER BaseTableExpression
  HANDLE BufferHandles
  CHARACTER KeyFields
  CHARACTER PhysicalTables
  HANDLE QueryHandle
  CHARACTER QueryLock
  CHARACTER QueryMode
  CHARACTER Table
  CHARACTER Tables
  LOGICAL UseRowid


Method Detail
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HANDLE CloneQuery (handle)

/* We may clone this query in order to get row keys from a result without
causing the 'real' query to reposition. This may be used when performing
multi-select operations in the UI, where we don't want to move off the
current record. Note that these actions may be expensive, because of the
cost of creating, opening, etc the query.
Parameters:
phSource HANDLE
 
Returns HANDLE
 
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CHARACTER ColumnValue (character)

Parameters:
pcColumn CHARACTER
 
Returns CHARACTER
 
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CreateQuery ()
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CHARACTER CurrentQuery ()

Returns CHARACTER
 
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CHARACTER DefaultQuery ()

Returns CHARACTER
 
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DeleteQuery ()
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HANDLE GetBufferHandles ()

Returns HANDLE
 
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CHARACTER GetCurrentRowKey ()

Returns CHARACTER
 
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CHARACTER GetPosition ()

/* order neutral position that is safe if tables changes order
passed back to setPosition
note that one need all rowids when the unique table is not
the first
Returns CHARACTER
 
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LOGICAL Prepare ()

Returns LOGICAL
 
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RemoveQueryBuffers (handle)

Parameters:
phQuery HANDLE
 
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LOGICAL ResetQuery ()

Returns LOGICAL
 
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LOGICAL SetPosition (character)

Parameters:
pKeyWhere CHARACTER
 
Returns LOGICAL
 
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LOGICAL SetPosition (character[])

/* set position as returned from GetPosition
Parameters:
pcPosition CHARACTER
 
Returns LOGICAL
 
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LOGICAL SetPosition (rowid[])

/* set position as returned from GetPosition
Parameters:
prPosition ROWID
 
Returns LOGICAL
 
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HANDLE SingleExtent (handle)

Parameters:
ph HANDLE
 
Returns HANDLE
 
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CHARACTER TrimQuery (character)

/* remove for or preselect from query - duplicated in DataAdminContext - belongs in utility
Parameters:
pcQuery CHARACTER
 
Returns CHARACTER
 


Constructor Detail
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DataAdminQuery ()
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DataAdminQuery (character)

/*
constructor public DataAdminQuery(hBuffer as handle):
this-object(hBuffer:name,SingleExtent(hBuffer)). name,SingleExtent(hBuffer)).
end constructor.
Parameters:
pcTable CHARACTER
 


Property Detail
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CHARACTER BaseQuery

Returns CHARACTER
 
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CHARACTER BaseQueryTemplate

Returns CHARACTER
 
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CHARACTER BaseTableExpression

Returns CHARACTER
 
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HANDLE BufferHandles

Returns HANDLE
 
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CHARACTER KeyFields

Returns CHARACTER
 
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CHARACTER PhysicalTables

Returns CHARACTER
 
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HANDLE QueryHandle

Returns HANDLE
 
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CHARACTER QueryLock

Returns CHARACTER
 
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CHARACTER QueryMode

Returns CHARACTER
 
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CHARACTER Table

Returns CHARACTER
 
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CHARACTER Tables

Returns CHARACTER
 
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LOGICAL UseRowid

Returns LOGICAL