private String buildBboxWhereClause(List<Selector.Polygon> bboxSelectors) {
StringBuilder obj = new StringBuilder();
boolean first = true;
for (Selector selector : bboxSelectors) {
if (!first) {
obj.append(" OR ");
}
obj.append(selector.getWhereString());
first = false;
}
if (first) {
// empty selector, put in a null statement which postgres should
// just optimise away
obj.append("(1=1)");
}
return obj.toString();
}
@Override
public String getWhereString() {
StringBuilder b = new StringBuilder();
Iterator<Selector> iterator = selectors.iterator();
while (iterator.hasNext()) {
Selector selector = iterator.next();
b.append("(");
b.append(selector.getWhereString());
b.append(")");
if (iterator.hasNext()) {
b.append(" OR ");
}
}
return b.toString();
}
private String buildTagSelectorWhereClause(List<? extends Selector> tagSelectors) {
StringBuilder obj = new StringBuilder();
boolean first = true;
for (Selector selector : tagSelectors) {
if (selector instanceof Selector.Polygon) {
} else {
if (!first) {
obj.append(" AND ");
}
obj.append(selector.getWhereString());
first = false;
}
}
if (first) {
// empty selector, put in a null statement which postgres should
// just optimise away
obj.append("(1=1)");
}
return obj.toString();
}