private boolean validateTables(TSelectSqlStatement stmt) {
HashMap<String, Integer> present = new HashMap<String, Integer>();
if (!stmt.getResultColumnList().getResultColumn(0).toString().equals("*")) {
int cols = stmt.getResultColumnList().size();
for (int a = 0; a < cols; a++) {
present.put(
stmt.getResultColumnList()
.getResultColumn(a)
.toString()
.toLowerCase()
.replace("(", "")
.replace(")", ""),
0);
}
}
TJoinList joins = stmt.joins;
int j = joins.size();
int invalid = 1;
for (int i = 0; i < j; i++) {
Iterator<Table> it = DBSystem.tableList.iterator();
Table table = null;
while (it.hasNext()) {
table = it.next();
if (table.getName().equalsIgnoreCase(joins.getJoin(i).toString())) {
invalid = 0;
if (!stmt.getResultColumnList().getResultColumn(0).toString().equals("*")) {
Iterator it1 = table.getColumnData().entrySet().iterator();
while (it1.hasNext()) {
Map.Entry pairs = (Map.Entry) it1.next();
if (present.get(pairs.getKey().toString().toLowerCase()) != null
&& present.get(pairs.getKey().toString().toLowerCase()) == 0) {
present.put(pairs.getKey().toString(), 1);
} else if (present.get(pairs.getKey().toString().toLowerCase()) != null
&& present.get(pairs.getKey().toString().toLowerCase()) == 1) return false;
}
}
}
}
if (invalid == 1) return false;
else {
invalid = 1;
}
}
if (!stmt.getResultColumnList().getResultColumn(0).toString().equals("*")) {
Iterator it2 = present.entrySet().iterator();
while (it2.hasNext()) {
Map.Entry pairs = (Map.Entry) it2.next();
if ((Integer) pairs.getValue() == 0) {
return false;
}
}
}
return true;
}
private String validateColumns(String condition, TJoinList joins) {
try {
Integer.parseInt(condition);
return "int";
} catch (NumberFormatException e) {
}
try {
Double.parseDouble(condition);
return "float";
} catch (NumberFormatException e) {
}
if (condition.contains("'") || condition.contains("\"")) return "varchar";
else {
int j = joins.size();
for (int i = 0; i < j; i++) {
Iterator<Table> it = DBSystem.tableList.iterator();
Table table = null;
while (it.hasNext()) {
table = it.next();
if (table.getName().equalsIgnoreCase(joins.getJoin(i).toString())) {
Iterator it1 = table.getColumnData().entrySet().iterator();
while (it1.hasNext()) {
Map.Entry pairs = (Map.Entry) it1.next();
String colName = pairs.getValue().toString();
if (pairs.getKey().toString().equalsIgnoreCase(condition)) {
if (colName.equalsIgnoreCase("varchar") || colName.equalsIgnoreCase("string"))
return "varchar";
else if (colName.equalsIgnoreCase("int") || colName.equalsIgnoreCase("integer"))
return "int";
return pairs.getValue().toString().toLowerCase();
}
}
}
}
}
}
return "invalid";
}
private String getColumnName(TJoinList joins) {
int j = joins.size();
Set<String> columnName = new HashSet<String>();
for (int i = 0; i < j; i++) {
Iterator<Table> it = DBSystem.tableList.iterator();
Table table = null;
while (it.hasNext()) {
table = it.next();
if (table.getName().equalsIgnoreCase(joins.getJoin(i).toString())) {
Iterator it1 = table.getColumnData().entrySet().iterator();
while (it1.hasNext()) {
Map.Entry pairs = (Map.Entry) it1.next();
columnName.add((String) pairs.getKey());
}
break;
}
}
}
return columnName
.toString()
.substring(1, columnName.toString().length() - 1)
.replaceAll(" ", "")
.toLowerCase();
}