Namespace: OpenEdge.DataAdmin.DataSource
Class
PartitionDataSource
Parent classes:
Progress.Lang.Object
OpenEdge.DataAdmin.Binding.Query.DataAdminQuery
OpenEdge.DataAdmin.DataSource.DBQuery
OpenEdge.DataAdmin.DataSource.DataSource
OpenEdge.DataAdmin.DataSource.PartitionDataSource

Inherits: OpenEdge.DataAdmin.DataSource.DataSource

/* © 2011-2014 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.
Author(s):hdaniels
/* these could have been properties with getters that just returned data based on URl,
but they are used in rowafter event and while the getters are very fast, overrided getters
are still 20 times slower than variables/props with no overrides. We're talking milliseconds, but
enough to substantially reduce throughput for this datasource, which may need to read a lot of records




Method Summary
Options Name Purpose
AfterRow (dataset-handle) /**** the utility command cannot be run with active transactions method private void DeallocatePartition(pcTable as char,pctype as char, pcKey as char ): define variable msg as DeallocateRequest no-undo. msg = new DeallocateRequest(). msg:Type = if pctype = "T" then "tenant" else "group". msg:Name = pcKey. msg:TableName = pctable. DeallocateCommand:Execute(msg). end method. ************/
AfterSetUrl ()
CHARACTER ColumnExpression (character, character, character) /* convert allocationstate char to bitmap expression required in the db */
CHARACTER ColumnSortSource (character) /* convert to allocation from bitmap in the db */
CHARACTER ColumnSource (character) /* This is the call back for the QueryString parsing. There is currently no mapping, but we override it in order to return the ttPartition's parent keys to the Query. This allows us to extract the expression later. Because it is added as parent (i.e _tenant) we can also extract the actual query fields without these. NOTE: check subclasses override */
CreateRefreshQuery (handle)
DeleteRefreshQuery ()
CHARACTER FindAreaJoin (character) /* throw standard progress error if non found */
CHARACTER FindPartitionPolicyDetailJoin (character) /* throw standard progress error if non found */
CHARACTER FindTableJoinValues (character, character)
CHARACTER FindTenantGroupJoin (character) /* throw standard progress error if non found */
CHARACTER FindTenantJoin (character) /* throw standard progress error if non found */
CHARACTER GetMappingForJoin (character)
CHARACTER GetName (handle)
CHARACTER Getstate (handle)
LOGICAL Prepare (handle, character, character, character)
RefreshAllocationState (character, character) /** called from save to refresh index and fields to be returned to client when allocationstate of the table changed (they are updated before the table partitions ) */
LOGICAL Save (handle) /** Save all @param buffer the temp-table buffer handle with data */
LOGICAL Save (handle, integer) /** Save changes of specified state @param buffer the temp-table buffer handle with data @param state the row-state to save (row-created, row-deleted or row-modified) ? = all */

Constructor Summary
Options Name Purpose
PartitionDataSource ()
PartitionDataSource (character, character, character)
PartitionDataSource (character, character, character, character)
PartitionDataSource (character, character, character, log)
PartitionDataSource (handle, character)
PartitionDataSource (handle, character, character, character)

Property Summary
Options Name Purpose
Progress.Database.DBConfig DBConfig
CHARACTER FindArea
CHARACTER FindFirstGroupAndArea
CHARACTER FindGroup
CHARACTER FindPartitionPolicyDetail
CHARACTER FindTenant
CHARACTER FindTenantAndArea
CHARACTER StorageAreaMap
CHARACTER StorageFileMap
CHARACTER StorageGroupMap
CHARACTER StorageMap
CHARACTER StoragePartitionPolicyDetailMap
CHARACTER StorageTenantMap
CHARACTER ValidAllocationList
CHARACTER ValidHorizontalAllocationList


Method Detail
Top

AfterRow (dataset-handle)
method private void DeallocatePartition(pcTable as char,pctype as char, pcKey as char ):
define variable msg as DeallocateRequest no-undo.
msg = new DeallocateRequest().
msg:Type Type = if pctype = "T" then "tenant"
else "group".
msg:Name Name = pcKey.
msg:TableName TableName = pctable.
DeallocateCommand:Execute(msg). Execute(msg).
end method.
Parameters:
hds DATASET-HANDLE
Top

AfterSetUrl ()
Top

CHARACTER ColumnExpression (character, character, character)
/* convert allocationstate char to bitmap expression required in the db
Parameters:
pcColumn CHARACTER
pcOperator CHARACTER
pcValue CHARACTER
Returns CHARACTER
Top

CHARACTER ColumnSortSource (character)
/* convert to allocation from bitmap in the db
Parameters:
pcColumn CHARACTER
Returns CHARACTER
Top

CHARACTER ColumnSource (character)
/* This is the call back for the QueryString parsing. There is currently no mapping, but we override it in
order to return the ttPartition's parent keys to the Query. This allows us to extract the expression later.
Because it is added as parent (i.e _tenant) we can also extract the actual query fields without these.
NOTE: check subclasses override
Parameters:
pcColumn CHARACTER
Returns CHARACTER
Top

CreateRefreshQuery (handle)
Parameters:
pbufferHandle HANDLE
Top

DeleteRefreshQuery ()
Top

CHARACTER FindAreaJoin (character)
/* throw standard progress error if non found
Parameters:
pFind CHARACTER
Returns CHARACTER
Top

CHARACTER FindPartitionPolicyDetailJoin (character)
/* throw standard progress error if non found
Parameters:
pFind CHARACTER
Returns CHARACTER
Top

CHARACTER FindTableJoinValues (character, character)
Parameters:
pTable CHARACTER
pFind CHARACTER
Returns CHARACTER
Top

CHARACTER FindTenantGroupJoin (character)
/* throw standard progress error if non found
Parameters:
pFind CHARACTER
Returns CHARACTER
Top

CHARACTER FindTenantJoin (character)
/* throw standard progress error if non found
Parameters:
pFind CHARACTER
Returns CHARACTER
Top

CHARACTER GetMappingForJoin (character)
Parameters:
pcTables CHARACTER
Returns CHARACTER
Top

CHARACTER GetName (handle)
Parameters:
phbuffer HANDLE
Returns CHARACTER
Top

CHARACTER Getstate (handle)
Parameters:
phbuffer HANDLE
Returns CHARACTER
Top

LOGICAL Prepare (handle, character, character, character)
Parameters:
phBuffer HANDLE
pcBaseQuery CHARACTER
pcTargetQuery CHARACTER
pcJoin CHARACTER
Returns LOGICAL
Top

RefreshAllocationState (character, character)
Purpose: called from save to refresh index and fields to be returned to client when
allocationstate of the table changed (they are updated before the table partitions )
Parameters:
pcTable CHARACTER
pcState CHARACTER
Top

LOGICAL Save (handle)
Purpose: Save all
Parameters:
bufferHandle HANDLE
Returns LOGICAL
Top

LOGICAL Save (handle, integer)
Purpose: Save changes of specified state
? = all
Parameters:
phbuffer HANDLE
piState INTEGER
Returns LOGICAL


Constructor Detail
Top

PartitionDataSource ()
Top

PartitionDataSource (character, character, character)
Parameters:
pcTables CHARACTER
pcPhysicalTables CHARACTER
pcMapping CHARACTER
Top

PartitionDataSource (character, character, character, character)
Parameters:
pcTables CHARACTER
pcPhysicalTables CHARACTER
pcMapping CHARACTER
pcBaseQuery CHARACTER
Top

PartitionDataSource (character, character, character, log)
Parameters:
pcTables CHARACTER
pcPhysicalTables CHARACTER
pcMapping CHARACTER
plSimulation LOGICAL
Top

PartitionDataSource (handle, character)
Parameters:
hTempSource HANDLE
cQuery CHARACTER
Top

PartitionDataSource (handle, character, character, character)
Parameters:
hTempSource HANDLE
pcTables CHARACTER
pcPhysicalTables CHARACTER
pcMapping CHARACTER


Property Detail
Top

Progress.Database.DBConfig DBConfig
Returns Progress.Database.DBConfig
Top

CHARACTER FindArea
Returns CHARACTER
Top

CHARACTER FindFirstGroupAndArea
Returns CHARACTER
Top

CHARACTER FindGroup
Returns CHARACTER
Top

CHARACTER FindPartitionPolicyDetail
Returns CHARACTER
Top

CHARACTER FindTenant
Returns CHARACTER
Top

CHARACTER FindTenantAndArea
Returns CHARACTER
Top

CHARACTER StorageAreaMap
Returns CHARACTER
Top

CHARACTER StorageFileMap
Returns CHARACTER
Top

CHARACTER StorageGroupMap
Returns CHARACTER
Top

CHARACTER StorageMap
Returns CHARACTER
Top

CHARACTER StoragePartitionPolicyDetailMap
Returns CHARACTER
Top

CHARACTER StorageTenantMap
Returns CHARACTER
Top

CHARACTER ValidAllocationList
Returns CHARACTER
Top

CHARACTER ValidHorizontalAllocationList
Returns CHARACTER


Copyright © 2022 Progress Software Corporation. All rights Reserved.

Progress® OpenEdge® Release 11.7.15