internal override bool Apply(ExpressionMetadataChainItem expressionMetadataChainItem, ModelQueryBuildConfig config)
{
if (expressionMetadataChainItem.Expression.Arguments.Count > 1 &&
!base.Apply(expressionMetadataChainItem, config))
{
return(false);
}
var aggregationColumnName = RepositoryExpressionUtilities.GetAnyColumnName();
config.SelectQuery.Columns.Items.Clear();
config.SelectQuery.Columns.Items.Add(aggregationColumnName, new SelectQueryColumn()
{
Expression = new ColumnExpression()
{
AggregationType = AggregationType.Count,
ExpressionType = EntitySchemaQueryExpressionType.Function,
FunctionType = FunctionType.Aggregation,
FunctionArgument = new ColumnExpression()
{
ExpressionType = EntitySchemaQueryExpressionType.SchemaColumn,
ColumnPath = "Id"
}
}
});
return(true);
}
internal override bool Apply(ExpressionMetadataChainItem expression, ModelQueryBuildConfig config)
{
var filter = ModelQueryFilterBuilder.GenerateFilter(expression.ExpressionMetadata);
config.SelectQuery.Filters.Items.Add(Guid.NewGuid().ToString(), filter);
return(true);
}
private static bool ApplyExpressionChainItemOnSelectQuery(ExpressionMetadataChainItem expressionChainItem, ModelQueryBuildConfig selectQuery)
{
var expressionApplier = ExpressionApplier.GetApplier(expressionChainItem.Expression.Method.Name);
expressionChainItem.IsAppliedToQuery = expressionApplier?.Apply(expressionChainItem, selectQuery) ?? false;
return(expressionChainItem.IsAppliedToQuery);
}
internal override bool Apply(ExpressionMetadataChainItem expressionMetadataChainItem, ModelQueryBuildConfig config)
{
var methodName = expressionMetadataChainItem.Expression.Method.Name;
var aggregationColumnName = RepositoryExpressionUtilities.GetAggregationColumnName(methodName);
config.SelectQuery.Columns.Items.Clear();
config.SelectQuery.Columns.Items.Add(aggregationColumnName, GetAggregationColumn(methodName, expressionMetadataChainItem.ExpressionMetadata.Parameter.ColumnPath));
return(true);
}
internal override bool Apply(ExpressionMetadataChainItem expressionMetadataChainItem, ModelQueryBuildConfig config)
{
if (expressionMetadataChainItem.Expression.Arguments.Count <= 1 || !base.Apply(expressionMetadataChainItem, config))
{
return(false);
}
config.SelectQuery.RowCount = 1;
return(true);
}
internal override bool Apply(ExpressionMetadataChainItem expressionMetadataChainItem, ModelQueryBuildConfig config)
{
if (expressionMetadataChainItem.ExpressionMetadata.NodeType != ExpressionMetadataNodeType.Property)
{
return(false);
}
var rowCount = (int)(expressionMetadataChainItem?.ExpressionMetadata?.Parameter?.Value ?? 0);
config.SelectQuery.RowCount = Math.Min(ModelQueryBuildConfig.MaxRowsCount, rowCount);
return(true);
}
internal override bool Apply(ExpressionMetadataChainItem expressionMetadataChainItem, ModelQueryBuildConfig config)
{
if (expressionMetadataChainItem.ExpressionMetadata.NodeType != ExpressionMetadataNodeType.Column)
{
return(false);
}
var orderedColumn = GetOrAddColumn(config, expressionMetadataChainItem.ExpressionMetadata.Parameter.ColumnPath);
ApplyOrderDirectionAndOrderPosition(orderedColumn, expressionMetadataChainItem.Expression, config);
return(true);
}
internal abstract bool Apply(ExpressionMetadataChainItem expression, ModelQueryBuildConfig config);
