diff --git a/src/dsql/DdlNodes.epp b/src/dsql/DdlNodes.epp
index 986b3c0a6f..75a061f77c 100644
--- a/src/dsql/DdlNodes.epp
+++ b/src/dsql/DdlNodes.epp
@@ -5536,7 +5536,7 @@ void RelationNode::defineField(thread_db* tdbb, DsqlCompilerScratch* dsqlScratch
 		if (clause->identity)
 		{
 			dsc desc;
-			MET_get_domain(tdbb, fieldDefinition.fieldSource, &desc, NULL);
+			MET_get_domain(tdbb, *tdbb->getDefaultPool(), fieldDefinition.fieldSource, &desc, NULL);
 
 			if (!desc.isExact() || desc.dsc_scale != 0)
 			{
diff --git a/src/dsql/ExprNodes.cpp b/src/dsql/ExprNodes.cpp
index b8a54537dc..55b9023c07 100644
--- a/src/dsql/ExprNodes.cpp
+++ b/src/dsql/ExprNodes.cpp
@@ -4576,7 +4576,7 @@ DmlNode* FieldNode::parse(thread_db* tdbb, MemoryPool& pool, CompilerScratch* cs
 		}
 
 		DomainValidationNode* domNode = FB_NEW(pool) DomainValidationNode(pool);
-		MET_get_domain(tdbb, csb->csb_domain_validation, &domNode->domDesc, NULL);
+		MET_get_domain(tdbb, csb->csb_pool, csb->csb_domain_validation, &domNode->domDesc, NULL);
 
 		// Cast to the target type - see CORE-3545.
 		CastNode* castNode = FB_NEW(pool) CastNode(pool);
diff --git a/src/dsql/dsql.h b/src/dsql/dsql.h
index 3a51d5c9a9..1cf43376fb 100644
--- a/src/dsql/dsql.h
+++ b/src/dsql/dsql.h
@@ -211,7 +211,7 @@ public:
 		  typeOfName(pool),
 		  collate(pool, aCollate),
 		  charSet(pool),
-		  subTypeName(NULL),
+		  subTypeName(pool, NULL),
 		  flags(0),
 		  elementDtype(0),
 		  elementLength(0),
diff --git a/src/jrd/ExtEngineManager.cpp b/src/jrd/ExtEngineManager.cpp
index fffb9a3df3..81d7e35b47 100644
--- a/src/jrd/ExtEngineManager.cpp
+++ b/src/jrd/ExtEngineManager.cpp
@@ -91,7 +91,8 @@ namespace
 
 					FieldInfo fieldInfo;
 					bool exist = csb->csb_map_field_info.get(namePair, fieldInfo);
-					MET_get_domain(tdbb, param->prm_field_source, desc, (exist ? NULL : &fieldInfo));
+					MET_get_domain(tdbb, csb->csb_pool, param->prm_field_source, desc,
+						(exist ? NULL : &fieldInfo));
 
 					if (!exist)
 						csb->csb_map_field_info.put(namePair, fieldInfo);
diff --git a/src/jrd/met.epp b/src/jrd/met.epp
index cc0277dddc..64c3b0a21a 100644
--- a/src/jrd/met.epp
+++ b/src/jrd/met.epp
@@ -182,7 +182,8 @@ static void post_used_procedures(trig_vec* vector)
 }
 
 
-void MET_get_domain(thread_db* tdbb, const MetaName& name, dsc* desc, FieldInfo* fieldInfo)
+void MET_get_domain(thread_db* tdbb, MemoryPool& csbPool, const MetaName& name, dsc* desc,
+	FieldInfo* fieldInfo)
 {
 /**************************************
  *
@@ -217,27 +218,19 @@ void MET_get_domain(thread_db* tdbb, const MetaName& name, dsc* desc, FieldInfo*
 			{
 				fieldInfo->nullable = FLD.RDB$NULL_FLAG.NULL || FLD.RDB$NULL_FLAG == 0;
 
-				MemoryPool* csb_pool = attachment->createPool();
-				Jrd::ContextPoolHolder context(tdbb, csb_pool);
-				try
-				{
-					if (FLD.RDB$DEFAULT_VALUE.NULL)
-						fieldInfo->defaultValue = NULL;
-					else
-						fieldInfo->defaultValue = parse_field_default_blr(tdbb, &FLD.RDB$DEFAULT_VALUE);
+				Jrd::ContextPoolHolder context(tdbb, &csbPool);
 
-					if (FLD.RDB$VALIDATION_BLR.NULL)
-						fieldInfo->validationExpr = NULL;
-					else
-					{
-						fieldInfo->validationExpr = parse_field_validation_blr(tdbb,
-							&FLD.RDB$VALIDATION_BLR, name);
-					}
-				}
-				catch (const Exception&)
+				if (FLD.RDB$DEFAULT_VALUE.NULL)
+					fieldInfo->defaultValue = NULL;
+				else
+					fieldInfo->defaultValue = parse_field_default_blr(tdbb, &FLD.RDB$DEFAULT_VALUE);
+
+				if (FLD.RDB$VALIDATION_BLR.NULL)
+					fieldInfo->validationExpr = NULL;
+				else
 				{
-					attachment->deletePool(csb_pool);
-					throw;
+					fieldInfo->validationExpr = parse_field_validation_blr(tdbb,
+						&FLD.RDB$VALIDATION_BLR, name);
 				}
 			}
 		}
@@ -251,11 +244,8 @@ void MET_get_domain(thread_db* tdbb, const MetaName& name, dsc* desc, FieldInfo*
 }
 
 
-MetaName MET_get_relation_field(thread_db* tdbb,
-										  const MetaName& relationName,
-										  const MetaName& fieldName,
-										  dsc* desc,
-										  FieldInfo* fieldInfo)
+MetaName MET_get_relation_field(thread_db* tdbb, MemoryPool& csbPool, const MetaName& relationName,
+	const MetaName& fieldName, dsc* desc, FieldInfo* fieldInfo)
 {
 /**************************************
  *
@@ -298,34 +288,25 @@ MetaName MET_get_relation_field(thread_db* tdbb,
 				fieldInfo->nullable = RFL.RDB$NULL_FLAG.NULL ?
 					(FLD.RDB$NULL_FLAG.NULL || FLD.RDB$NULL_FLAG == 0) : RFL.RDB$NULL_FLAG == 0;
 
-				MemoryPool* csb_pool = attachment->createPool();
-				Jrd::ContextPoolHolder context(tdbb, csb_pool);
-				try
+				Jrd::ContextPoolHolder context(tdbb, &csbPool);
+				bid* defaultId = NULL;
+
+				if (!RFL.RDB$DEFAULT_VALUE.NULL)
+					defaultId = &RFL.RDB$DEFAULT_VALUE;
+				else if (!FLD.RDB$DEFAULT_VALUE.NULL)
+					defaultId = &FLD.RDB$DEFAULT_VALUE;
+
+				if (defaultId)
+					fieldInfo->defaultValue = parse_field_default_blr(tdbb, defaultId);
+				else
+					fieldInfo->defaultValue = NULL;
+
+				if (FLD.RDB$VALIDATION_BLR.NULL)
+					fieldInfo->validationExpr = NULL;
+				else
 				{
-					bid* defaultId = NULL;
-
-					if (!RFL.RDB$DEFAULT_VALUE.NULL)
-						defaultId = &RFL.RDB$DEFAULT_VALUE;
-					else if (!FLD.RDB$DEFAULT_VALUE.NULL)
-						defaultId = &FLD.RDB$DEFAULT_VALUE;
-
-					if (defaultId)
-						fieldInfo->defaultValue = parse_field_default_blr(tdbb, defaultId);
-					else
-						fieldInfo->defaultValue = NULL;
-
-					if (FLD.RDB$VALIDATION_BLR.NULL)
-						fieldInfo->validationExpr = NULL;
-					else
-					{
-						fieldInfo->validationExpr = parse_field_validation_blr(tdbb,
-							&FLD.RDB$VALIDATION_BLR, RFL.RDB$FIELD_SOURCE);
-					}
-				}
-				catch (const Exception&)
-				{
-					attachment->deletePool(csb_pool);
-					throw;
+					fieldInfo->validationExpr = parse_field_validation_blr(tdbb,
+						&FLD.RDB$VALIDATION_BLR, RFL.RDB$FIELD_SOURCE);
 				}
 			}
 		}
diff --git a/src/jrd/met_proto.h b/src/jrd/met_proto.h
index b4f952ef9e..b956bb684b 100644
--- a/src/jrd/met_proto.h
+++ b/src/jrd/met_proto.h
@@ -124,9 +124,10 @@ void		MET_scan_relation(Jrd::thread_db*, Jrd::jrd_rel*);
 void		MET_trigger_msg(Jrd::thread_db*, Firebird::string&, const Firebird::MetaName&, USHORT);
 void		MET_update_shadow(Jrd::thread_db*, Jrd::Shadow*, USHORT);
 void		MET_update_transaction(Jrd::thread_db*, Jrd::jrd_tra*, const bool);
-void		MET_get_domain(Jrd::thread_db*, const Firebird::MetaName&, dsc*, Jrd::FieldInfo*);
-Firebird::MetaName MET_get_relation_field(Jrd::thread_db*, const Firebird::MetaName&,
-								   const Firebird::MetaName&, dsc*, Jrd::FieldInfo*);
+void		MET_get_domain(Jrd::thread_db*, MemoryPool& csbPool, const Firebird::MetaName&, dsc*,
+	Jrd::FieldInfo*);
+Firebird::MetaName MET_get_relation_field(Jrd::thread_db*, MemoryPool& csbPool,
+	const Firebird::MetaName&, const Firebird::MetaName&, dsc*, Jrd::FieldInfo*);
 void		MET_update_partners(Jrd::thread_db*);
 
 #endif // JRD_MET_PROTO_H
diff --git a/src/jrd/par.cpp b/src/jrd/par.cpp
index 29f157653d..2279d38509 100644
--- a/src/jrd/par.cpp
+++ b/src/jrd/par.cpp
@@ -480,7 +480,7 @@ USHORT PAR_desc(thread_db* tdbb, CompilerScratch* csb, dsc* desc, ItemInfo* item
 
 			FieldInfo fieldInfo;
 			bool exist = csb->csb_map_field_info.get(namePair, fieldInfo);
-			MET_get_domain(tdbb, *name, desc, (exist ? NULL : &fieldInfo));
+			MET_get_domain(tdbb, csb->csb_pool, *name, desc, (exist ? NULL : &fieldInfo));
 
 			if (!exist)
 				csb->csb_map_field_info.put(namePair, fieldInfo);
@@ -541,7 +541,8 @@ USHORT PAR_desc(thread_db* tdbb, CompilerScratch* csb, dsc* desc, ItemInfo* item
 
 			FieldInfo fieldInfo;
 			bool exist = csb->csb_map_field_info.get(namePair, fieldInfo);
-			MET_get_relation_field(tdbb, *relationName, *fieldName, desc, (exist ? NULL : &fieldInfo));
+			MET_get_relation_field(tdbb, csb->csb_pool, *relationName, *fieldName, desc,
+				(exist ? NULL : &fieldInfo));
 
 			if (!exist)
 				csb->csb_map_field_info.put(namePair, fieldInfo);