public ISqlElement GetUnionCondition(QueryEntityProperty property, QueryEntity entity)
{
if (property.mapping.UnionLayout == null)
{
return(null);
}
return(entity.unionCondition ?? (entity.unionCondition = CreateUnionCondition(property, entity)));
}
private ISqlElement CreateUnionCondition(QueryEntityProperty property, QueryEntity nestedEntity)
{
var typeColumnName = property.mapping.UnionLayout.TypeColumnName;
if (string.IsNullOrEmpty(typeColumnName))
{
const string messageFormat = "type column is not defined for [{0}.{1}]";
throw new InvalidOperationException(string.Format(messageFormat,
property.referer.mapping.QueryTableName, property.mapping.PropertyName));
}
if (!nestedEntity.mapping.Index.HasValue)
{
const string messageFormat = "invalid table name [{0}], table name must contain index";
throw new InvalidOperationException(string.Format(messageFormat,
nestedEntity.mapping.DbTableName));
}
var tableIndexColumnName = property.mapping.UnionLayout.TableIndexColumnName;
if (string.IsNullOrEmpty(tableIndexColumnName))
{
const string messageFormat = "tableIndex column is not defined for [{0}.{1}]";
throw new InvalidOperationException(string.Format(messageFormat,
property.referer.mapping.QueryTableName, property.mapping.PropertyName));
}
return(new AndExpression
{
Left = new EqualityExpression
{
Left = new ColumnReferenceExpression
{
Name = typeColumnName,
Table = GetTableDeclaration(property.referer)
},
Right = new LiteralExpression
{
Value = configurationItemReferenceType,
SqlType = SqlType.ByteArray
}
},
Right = new EqualityExpression
{
Left = new ColumnReferenceExpression
{
Name = tableIndexColumnName,
Table = GetTableDeclaration(property.referer)
},
Right = new LiteralExpression
{
Value = nestedEntity.mapping.Index,
SqlType = SqlType.ByteArray
}
}
});
}
public QueryEntity CreateQueryEntity(QueryEntityProperty referer, string queryName)
{
var tableMapping = mappingSource.ResolveTableOrNull(queryName);
if (tableMapping == null)
{
const string messageFormat = "can't find table mapping for [{0}]";
throw new InvalidOperationException(string.Format(messageFormat, queryName));
}
return(new QueryEntity(tableMapping, referer));
}
public QueryEntityProperty GetOrCreatePropertyIfExists(QueryEntity queryEntity, string name)
{
foreach (var f in queryEntity.properties)
{
if (f.mapping.PropertyName.EqualsIgnoringCase(name))
{
return(f);
}
}
PropertyMapping propertyMapping;
if (!queryEntity.mapping.TryGetProperty(name, out propertyMapping))
{
return(null);
}
var property = new QueryEntityProperty(queryEntity, propertyMapping);
if (propertyMapping.SingleLayout != null)
{
if (name.EqualsIgnoringCase(PropertyNames.id))
{
if (queryEntity.mapping.Type == TableType.TableSection)
{
var nestedTableName = queryEntity.mapping.QueryTableName;
nestedTableName = TableMapping.GetMainQueryNameByTableSectionQueryName(nestedTableName);
AddQueryEntity(property, nestedTableName);
}
else
{
property.nestedEntities.Add(queryEntity);
}
}
else
{
var nestedTableName = propertyMapping.SingleLayout.NestedTableName;
if (!string.IsNullOrEmpty(nestedTableName))
{
AddQueryEntity(property, nestedTableName);
}
}
}
else
{
foreach (var t in propertyMapping.UnionLayout.NestedTables)
{
AddQueryEntity(property, t);
}
}
queryEntity.properties.Add(property);
return(property);
}
private ColumnReferenceExpression GetPropertyReference(QueryEntityProperty property, SelectClause selectClause)
{
if (property.referer.mapping.IsEnum())
{
var enumMappingsJoinClause = queryEntityAccessor.CreateEnumMappingsJoinClause(property.referer);
selectClause.JoinClauses.Add(enumMappingsJoinClause);
return(new ColumnReferenceExpression
{
Name = "enumValueName",
Table = (TableDeclarationClause)enumMappingsJoinClause.Source
});
}
return(new ColumnReferenceExpression
{
Name = property.GetDbColumnName(),
Table = queryEntityAccessor.GetTableDeclaration(property.referer)
});
}
public QueryEntity CreateQueryEntity(QueryEntityProperty referer, string queryName)
{
return(queryEntityRegistry.CreateQueryEntity(referer, queryName));
}
private void AddQueryEntity(QueryEntityProperty referer, string tableName)
{
var queryEntity = queryEntityRegistry.CreateQueryEntity(referer, tableName);
referer.nestedEntities.Add(queryEntity);
}
public QueryEntity(TableMapping mapping, QueryEntityProperty referer)
{
this.mapping = mapping;
this.referer = referer;
}
