diff --git a/v1/Application.cfc b/v1/Application.cfc
index d3d0fff..6ee8077 100644
--- a/v1/Application.cfc
+++ b/v1/Application.cfc
@@ -51,7 +51,7 @@
 		
 		//variables.framework.docs={};
 		variables.framework.docs.APIName="svc-api";
-		variables.framework.docs.APIVersion="0.171";   /*$ git config --global --unset user.password*/
+		variables.framework.docs.APIVersion="0.172";   /*$ git config --global --unset user.password*/
 		
 		variables.framework.globalHeaders = structNew();
 		variables.framework.globalHeaders["Access-Control-Expose-Headers"] = "Location"; 
diff --git a/v1/lib/filter_build.cfm b/v1/lib/filter_build.cfm
index e51ad76..2fa7744 100644
--- a/v1/lib/filter_build.cfm
+++ b/v1/lib/filter_build.cfm
@@ -1,6 +1,7 @@
 <!--- version 2.01---><!---15:25 31.01.2019--->
 <!--- version 3---><!---16:42 16.11.2020--->
 <!--- version 4---><!---2025-09-06 19:15:50 больше не нужно объявлять параметр как list, достаточно оператора IN--->
+<!--- version 5---><!---2025-11-20 ILIKE - потеря совместимости со стандартным SQL (можно вернуться к совместимости через lower, но будут проблемы с индексами)--->
 <!--- build query filter string --->
 
 <cfparam name="ATTRIBUTES.filter" type="struct"/>
@@ -23,8 +24,21 @@
 				---><cfif i LT #len#><cfqueryparam cfsqltype="#getCfSqLType(fltr.ftype)#" list="#fltr.list#" value="#fltr.prefix##fltr.val##fltr.suffix#"/></cfif><!---
 			---></cfloop><!---
 		---><cfelse><!---
-		---><cfoutput>#fltr.field#</cfoutput><cfswitch expression=#uCase(fltr.compare)#><cfcase value="EQ"> = </cfcase><cfcase value="NE,NEQ"> <> </cfcase><cfcase value="LE,LTE"> <= </cfcase><cfcase value="LT"> < </cfcase><cfcase value="GE,GTE"> >= </cfcase><cfcase value="GT"> > </cfcase><cfcase value="LIKE"> LIKE </cfcase><cfcase value="LIKE%,LIKEP"> LIKE <cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# value="%#fltr.val#%"/><cfcontinue/></cfcase><cfcase value="IN"> IN (<cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# list=true value="#fltr.val#"/>)<cfcontinue/></cfcase><cfdefaultcase> = <cfoutput> #fltr.field#</cfoutput><cfcontinue/><!---***криво---></cfdefaultcase></cfswitch><cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# value="#fltr.val#"/><cfcontinue/>
-		</cfif>
+		---><cfoutput>#fltr.field#</cfoutput><cfswitch expression=#uCase(fltr.compare)#>
+		<cfcase value="EQ"> = </cfcase><!--- 
+		 ---><cfcase value="NE,NEQ"> <> </cfcase><!--- 
+		 ---><cfcase value="LE,LTE"> <= </cfcase><!--- 
+		 ---><cfcase value="LT"> < </cfcase><!--- 
+		 ---><cfcase value="GE,GTE"> >= </cfcase><!--- 
+		 ---><cfcase value="GT"> > </cfcase><!--- 
+		 ---><cfcase value="LIKE"> LIKE </cfcase><!--- 
+		 ---><cfcase value="ILIKE"> ILIKE </cfcase><!--- 
+		 ---><cfcase value="LIKE%,LIKEP"> LIKE <cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# value="%#fltr.val#%"/><cfcontinue/></cfcase><!--- 
+		 ---><cfcase value="ILIKE%,ILIKEP"> ILIKE <cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# value="%#fltr.val#%"/><cfcontinue/></cfcase><!--- 
+		 ---><cfcase value="IN"> IN (<cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# list=true value="#fltr.val#"/>)<cfcontinue/></cfcase><!--- 
+		 ---><cfdefaultcase> = <cfoutput> #fltr.field#</cfoutput><cfcontinue/><!---***криво---></cfdefaultcase><!--- 
+		 ---></cfswitch><cfqueryparam cfsqltype=#getCfSqLType(fltr.ftype)# value="#fltr.val#"/><cfcontinue/>
+		</cfif><!--- *** ILIKE POSTGRESQL SPECIFIC --->
 </cfloop>
 <cfexit method="exittag"/>
 
diff --git a/v1/lib/rest_api_helper.cfc b/v1/lib/rest_api_helper.cfc
index 0aa75c7..a909b6a 100644
--- a/v1/lib/rest_api_helper.cfc
+++ b/v1/lib/rest_api_helper.cfc
@@ -4,6 +4,7 @@
     hint="Static helper methods for ReST API">
 	<!--- v0.02 2024-10-15 --->
 	<!--- v0.03 2024-11-27 --->
+	<!--- v0.04 2025-11-20 columns--->
 	
 	
 <cffunction name="empty2null" 
@@ -81,9 +82,11 @@
 	hint="parse and collect filter params, for operators see filter_build">
 <!---e.g. duration=NEQ:2--->
 <!---*** add test for multiple values--->
-	<cfargument name="params" type="struct" required="true" />
+	<cfargument name="params" type="struct" required="true" /><!--- имена полей и колонок в snake_case --->
 	
+	<cfset var local={}/><!--- ***  --->
 	<cfset var out=structNew()/>
+	
 	<cfloop collection=#params# index="local.item">
 
 		<cfset var urlParamName=snake2camel(lCase(local.item))/>
@@ -98,11 +101,17 @@
 			<cfif !isValid(ARGUMENTS.params[local.item].type,value)>
 				<cfthrow  type="invalidParamValue" message="Filter parameter #urlParamName# value is not a valid #ARGUMENTS.params[local.item].type#"/><!---не выводим значение, чтобы исключить XSS--->
 			</cfif>
+						
+			<cfif structKeyExists(ARGUMENTS.params[local.item], "column") AND len(ARGUMENTS.params[local.item].column)>
+				<cfset var column="#ARGUMENTS.params[local.item].column#"/>
+			<cfelse>
+				<cfset var column=local.item/>
+			</cfif>
 			
 			<cfif structKeyExists(ARGUMENTS.params[local.item], "prefix") AND len(ARGUMENTS.params[local.item].prefix)>
-				<cfset var fieldName="#ARGUMENTS.params[local.item].prefix#.#local.item#"/>
+				<cfset var fieldName="#ARGUMENTS.params[local.item].prefix#.#column#"/>
 			<cfelse>
-				<cfset var fieldName=#local.item#/>
+				<cfset var fieldName=#column#/>
 			</cfif>
 			
 			<cfif structKeyExists(ARGUMENTS.params[local.item], "list") AND ARGUMENTS.params[local.item].list GT 0>
diff --git a/v1/resources/instance_operation_ls.cfc b/v1/resources/instance_operation_ls.cfc
index cefbd69..1bbd847 100644
--- a/v1/resources/instance_operation_ls.cfc
+++ b/v1/resources/instance_operation_ls.cfc
@@ -12,7 +12,11 @@
 		"dt_created"={prefix="o", type="date"},
 		"dt_updated"={prefix="o", type="date"},		
 		"creator_id"={prefix="o", type="integer"},
+		"creator_email"={prefix="c", column="email", type="string"},
+		"creator_shortname"={prefix="c", column="shortname", type="string"},
 		"updater_id"={prefix="o", type="integer"},
+		"updater_email"={prefix="u", column="email", type="string"},
+		"updater_shortname"={prefix="u", column="shortname", type="string"},
 		"dt_submit"={prefix="o", type="date"},
 		"submit_result"={prefix="o", type="string"},		
 		"dt_start"={prefix="o", type="date"},
@@ -34,8 +38,9 @@
 		<cfargument name="page" type="string" hint="type:integer" default="1"/>	
 		<cfargument name="orderBy" type="string" hint="type:string, description:comma-separated list of fields to sort by, example:fld1.ASC,fld2.DESC,fld3.ASC" default=""/>
 
+		<cfset var local={}/>
 		<cftry>	<!--- отладка на время проблемы 404 --->	
-			<cfset local={}/>			
+						
 		
 			<!---parse and validate request parameters--->
 			<cftry>
@@ -53,12 +58,7 @@
 					<cfreturn representationOf(cfcatch)/>				
 				</cfcatch>
 			</cftry>				
-			
-			<cfset var out={}/>
-			<cfset var maxrows=arguments.pageSize*arguments.page/>
-			<cfset var startrow=arguments.pageSize*(arguments.page-1)+1/>
-			
-<!--- 			<cfset request.locateIamService()/>  --->		
+					
 			
 			<cfquery name="local.qRead" result="local.result">
 				select 
@@ -89,50 +89,65 @@
 					<m:field>u.email as updater_email</m:field>	
 					<m:field>u.shortname as updater_shortname</m:field>	
 				</m:field_set>	
-				from instance_operation o 
-				join instance e on (o.instance_uid=e.instance_uid)
-				left outer join specification_item i on (e.specification_item_id=i.specification_item_id)
-				left outer join specification s on (i.specification_id=s.specification_id)
-				left outer join contract d on (s.contract_id=d.contract_id)
-				left outer join svc v on (e.service_id=v.svc_id)
-				left outer join usr c on (e.creator_id=c.usr_id)
-				left outer join usr u on (e.updater_id=u.usr_id)
+				<cfsavecontent variable="local.fromClause">
+					from instance_operation o 
+					join instance e on (o.instance_uid=e.instance_uid)
+					left outer join specification_item i on (e.specification_item_id=i.specification_item_id)
+					left outer join specification s on (i.specification_id=s.specification_id)
+					left outer join contract d on (s.contract_id=d.contract_id)
+					left outer join svc v on (e.service_id=v.svc_id)
+					left outer join usr c on (e.creator_id=c.usr_id)
+					left outer join usr u on (e.updater_id=u.usr_id)
+				</cfsavecontent>#local.fromClause#
 				where 
 					s.specification_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#arguments.specificationId#/> 
 					<m:filter_build filter=#filter#/>
 				order by 
 					<m:order_build sortCollection=#this.helper.parseNumericOrder(local.titleMap, arguments.orderBy)# fieldCount=0/><!---no sort length limit--->
-				limit #maxrows#
+				<cfif arguments.pageSize GT 0>
+					limit #arguments.pageSize#
+					offset #arguments.pageSize*(arguments.page-1)#
+				</cfif>
 			</cfquery>
-			<!--- <cfdump var=#local.qRead#/><cfabort/> --->	
+			<!--- <cfdump var=#local.qRead#/><cfabort/> --->
 			
+			<cfquery name="local.qCnt">
+				select count(*) as cnt
+				#local.fromClause#
+				where 
+				s.specification_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#arguments.specificationId#/> 
+				<m:filter_build filter=#filter#/>
+			</cfquery> 
 
 			<cfquery name="local.qTotal">
 				select count(*) as cnt
-				from instance_operation o 
+				#local.fromClause#
+				<!--- from instance_operation o 
 				join instance e on (o.instance_uid=e.instance_uid)
 				left outer join specification_item i on (e.specification_item_id=i.specification_item_id)
-				left outer join specification s on (i.specification_id=s.specification_id)
+				left outer join specification s on (i.specification_id=s.specification_id) --->
 				where 
 				s.specification_id=<cfqueryparam cfsqltype="cf_sql_integer" value=#arguments.specificationId#/> 
 			</cfquery> 
 
+			<cfset var out=structNew("linked")/>
+
 			<cfset "out.queryDurationMs"=getTickCount() - request.startTickCount/>
 			<cfset "out.total"=#local.qTotal.cnt#/>
-			<cfset "out.resultSetSize"=#local.qRead.recordCount#/>
+			<cfset "out.resultSetSize"=#local.qCnt.cnt#/>
 			<cfset "out.pageSize"=#arguments.pageSize*1#/>
 			<cfset "out.page"=#arguments.page*1#/>
-			<cfset "out.orderBy"=#arguments.orderBy#/>
+			<cfset "out.orderBy"=#arguments.orderBy#/>	
 			
 			<cfset var resultCollection=[]/>
-			<cfloop query=#local.qRead# startRow=#startrow# endRow=#(startrow+maxrows-1)#>
+			<cfloop query=#local.qRead#>
 				<cfset var rec=structNew("linked")/>				
 				<cfset this.helper.appendRecord(rec, "", local.titleMap, local.qRead, this.helper.snake2camel)/>
 				<cfset arrayAppend(resultCollection, rec)/>
 			</cfloop>
 			
-			<cfset "out.size"=#arrayLen(resultCollection)#/>
-			<cfset "out.results"=#resultCollection#/>
+			<cfset "out.size"=#arrayLen(resultCollection)#/>		
+			<cfset "out.results"=#resultCollection#/>		
 			<cfset "out.runDurationMs"=getTickCount()-request.startTickCount/>	
 			<!---<cfset "out.sql"=#local.result.sql#/>--->	
 			<cfreturn representationOf(out)/>