itemNames.add(item.getIdentity());
}
// aggregation function is not allowed in insert statement without select clause
if (!item.getE().aggregationChildren().isEmpty() && this.selectStmt == null) {
throw new EGQLE051Exception();
}
// field is not allowed in insert statement without select clause
if (!item.getE().nonAggregationProperties().isEmpty() && this.selectStmt == null) {
throw new EGQLE052Exception();