public static ModelData Create(CacheFile file)
{
var ret = new ModelData {Name = ShortenName(file.Name)};
var rows = file.GetRows();
ret.Rows = rows;
if (rows.Count() == 0)
throw new InvalidDataException("Cache is empty");
var singleRow = rows.First();
ret.SingleRow = singleRow;
// we need to go through all rows to find the maximum size type of all columns
var fieldTypes = new FieldType[singleRow.Columns.Count];
for (int i = 0; i < singleRow.Columns.Count; i++)
fieldTypes[i] = singleRow.Columns[i].Type;
foreach (var row in rows)
for (int i = 0; i < row.Columns.Count; i++)
if (FieldTypeHelper.GetTypeBits(row.Columns[i].Type) > FieldTypeHelper.GetTypeBits(fieldTypes[i]))
fieldTypes[i] = row.Columns[i].Type;
ret.FieldTypes = fieldTypes;
// now build the creation query - fields, primary key, indices, cleanup
var query = new StringBuilder();
query.AppendLine("DROP TABLE IF EXISTS " + ret.Name + ";");
query.AppendLine("CREATE TABLE " + ret.Name + " (");
bool createAutoIncrement = !IsColumnUnique(rows, 0);
string autoIncrementName = createAutoIncrement ? (singleRow.Columns.Any(c => c.Name == "id") ? "index" : "id") : "";
if (createAutoIncrement)
query.AppendLine(Indention + autoIncrementName + " INT AUTO_INCREMENT,");
for (int i = 0; i < singleRow.Columns.Count; i++)
query.AppendLine(Indention + singleRow.Columns[i].Name + " " + GetSQLType(fieldTypes[i]) + ",");
if (createAutoIncrement)
query.AppendLine(Indention + "PRIMARY KEY (" + autoIncrementName + "),");
else
query.AppendLine(Indention + "PRIMARY KEY (" + singleRow.Columns[0].Name + "),");
for (int i = 1; i < singleRow.Columns.Count; i++)
if (singleRow.Columns[i].Name.EndsWith("ID"))
query.AppendLine(Indention + "INDEX " + singleRow.Columns[i].Name + " (" + singleRow.Columns[i].Name + "),");
if (query[query.Length - 1] == '\n' && query[query.Length - 2] == '\r' && query[query.Length - 3] == ',')
query.Remove(query.Length - 3, 1);
query.AppendLine(");");
ret.CreationQuery = query.ToString();
return ret;
}
public static ModelData Create(CacheFile file)
{
var ret = new ModelData {
Name = ShortenName(file.Name)
};
var rows = file.GetRows();
ret.Rows = rows;
if (rows.Count() == 0)
{
throw new InvalidDataException("Cache is empty");
}
var singleRow = rows.First();
ret.SingleRow = singleRow;
// we need to go through all rows to find the maximum size type of all columns
var fieldTypes = new FieldType[singleRow.Columns.Count];
for (int i = 0; i < singleRow.Columns.Count; i++)
{
fieldTypes[i] = singleRow.Columns[i].Type;
}
foreach (var row in rows)
{
for (int i = 0; i < row.Columns.Count; i++)
{
if (FieldTypeHelper.GetTypeBits(row.Columns[i].Type) > FieldTypeHelper.GetTypeBits(fieldTypes[i]))
{
fieldTypes[i] = row.Columns[i].Type;
}
}
}
ret.FieldTypes = fieldTypes;
// now build the creation query - fields, primary key, indices, cleanup
var query = new StringBuilder();
query.AppendLine("DROP TABLE IF EXISTS " + ret.Name + ";");
query.AppendLine("CREATE TABLE " + ret.Name + " (");
bool createAutoIncrement = !IsColumnUnique(rows, 0);
string autoIncrementName = createAutoIncrement ? (singleRow.Columns.Any(c => c.Name == "id") ? "index" : "id") : "";
if (createAutoIncrement)
{
query.AppendLine(Indention + autoIncrementName + " INT AUTO_INCREMENT,");
}
for (int i = 0; i < singleRow.Columns.Count; i++)
{
query.AppendLine(Indention + singleRow.Columns[i].Name + " " + GetSQLType(fieldTypes[i]) + ",");
}
if (createAutoIncrement)
{
query.AppendLine(Indention + "PRIMARY KEY (" + autoIncrementName + "),");
}
else
{
query.AppendLine(Indention + "PRIMARY KEY (" + singleRow.Columns[0].Name + "),");
}
for (int i = 1; i < singleRow.Columns.Count; i++)
{
if (singleRow.Columns[i].Name.EndsWith("ID"))
{
query.AppendLine(Indention + "INDEX " + singleRow.Columns[i].Name + " (" + singleRow.Columns[i].Name + "),");
}
}
if (query[query.Length - 1] == '\n' && query[query.Length - 2] == '\r' && query[query.Length - 3] == ',')
{
query.Remove(query.Length - 3, 1);
}
query.AppendLine(");");
ret.CreationQuery = query.ToString();
return(ret);
}
