|
static private GetDefaultCollation ( string charset, |
||
| charset | string | |
| connection | ||
| return | string | |
/// <summary>
/// Parses out the elements of a procedure parameter data type.
/// </summary>
private string ParseDataType(MySqlSchemaRow row, MySqlTokenizer tokenizer)
{
StringBuilder dtd = new StringBuilder(
StringUtility.ToUpperInvariant(tokenizer.NextToken()));
row["DATA_TYPE"] = dtd.ToString();
string type = row["DATA_TYPE"].ToString();
string token = tokenizer.NextToken();
if (token == "(")
{
token = tokenizer.ReadParenthesis();
dtd.AppendFormat(CultureInfo.InvariantCulture, "{0}", token);
if (type != "ENUM" && type != "SET")
ParseDataTypeSize(row, token);
token = tokenizer.NextToken();
}
else
dtd.Append(GetDataTypeDefaults(type, row));
while (token != ")" &&
token != "," &&
String.Compare(token, "begin", StringComparison.OrdinalIgnoreCase) != 0 &&
String.Compare(token, "return", StringComparison.OrdinalIgnoreCase) != 0)
{
if (String.Compare(token, "CHARACTER", StringComparison.OrdinalIgnoreCase) == 0 ||
String.Compare(token, "BINARY", StringComparison.OrdinalIgnoreCase) == 0)
{ } // we don't need to do anything with this
else if (String.Compare(token, "SET", StringComparison.OrdinalIgnoreCase) == 0 ||
String.Compare(token, "CHARSET", StringComparison.OrdinalIgnoreCase) == 0)
row["CHARACTER_SET_NAME"] = tokenizer.NextToken();
else if (String.Compare(token, "ASCII", StringComparison.OrdinalIgnoreCase) == 0)
row["CHARACTER_SET_NAME"] = "latin1";
else if (String.Compare(token, "UNICODE", StringComparison.OrdinalIgnoreCase) == 0)
row["CHARACTER_SET_NAME"] = "ucs2";
else if (String.Compare(token, "COLLATE", StringComparison.OrdinalIgnoreCase) == 0)
row["COLLATION_NAME"] = tokenizer.NextToken();
else
dtd.AppendFormat(CultureInfo.InvariantCulture, " {0}", token);
token = tokenizer.NextToken();
}
if (dtd.Length > 0)
row["DTD_IDENTIFIER"] = dtd.ToString();
// now default the collation if one wasn't given
if ( string.IsNullOrEmpty( ( string )row["COLLATION_NAME"] ) &&
!string.IsNullOrEmpty( ( string )row["CHARACTER_SET_NAME"] ))
row["COLLATION_NAME"] = CharSetMap.GetDefaultCollation(
row["CHARACTER_SET_NAME"].ToString(), connection);
// now set the octet length
if (row["CHARACTER_MAXIMUM_LENGTH"] != null)
{
if (row["CHARACTER_SET_NAME"] == null)
row["CHARACTER_SET_NAME"] = "";
row["CHARACTER_OCTET_LENGTH"] =
CharSetMap.GetMaxLength(( string )row["CHARACTER_SET_NAME"], connection) *
(int)row["CHARACTER_MAXIMUM_LENGTH"];
}
return token;
}
/// <summary>
/// Parses out the elements of a procedure parameter data type.
/// </summary>
private string ParseDataType(DataRow row, MySqlTokenizer tokenizer)
{
StringBuilder dtd = new StringBuilder(
tokenizer.NextToken().ToUpper(CultureInfo.InvariantCulture));
row["DATA_TYPE"] = dtd.ToString();
string type = row["DATA_TYPE"].ToString();
string token = tokenizer.NextToken();
if (token == "(")
{
token = tokenizer.ReadParenthesis();
dtd.AppendFormat(CultureInfo.InvariantCulture, "{0}", token);
if (type != "ENUM" && type != "SET")
{
ParseDataTypeSize(row, token);
}
token = tokenizer.NextToken();
}
else
{
dtd.Append(GetDataTypeDefaults(type, row));
}
while (token != ")" &&
token != "," &&
String.Compare(token, "begin", true) != 0 &&
String.Compare(token, "return", true) != 0)
{
if (String.Compare(token, "CHARACTER", true) == 0 ||
String.Compare(token, "BINARY", true) == 0)
{
} // we don't need to do anything with this
else if (String.Compare(token, "SET", true) == 0 ||
String.Compare(token, "CHARSET", true) == 0)
{
row["CHARACTER_SET_NAME"] = tokenizer.NextToken();
}
else if (String.Compare(token, "ASCII", true) == 0)
{
row["CHARACTER_SET_NAME"] = "latin1";
}
else if (String.Compare(token, "UNICODE", true) == 0)
{
row["CHARACTER_SET_NAME"] = "ucs2";
}
else if (String.Compare(token, "COLLATE", true) == 0)
{
row["COLLATION_NAME"] = tokenizer.NextToken();
}
else
{
dtd.AppendFormat(CultureInfo.InvariantCulture, " {0}", token);
}
token = tokenizer.NextToken();
}
if (dtd.Length > 0)
{
row["DTD_IDENTIFIER"] = dtd.ToString();
}
// now default the collation if one wasn't given
if (row["COLLATION_NAME"].ToString().Length == 0 &&
row["CHARACTER_SET_NAME"].ToString().Length > 0)
{
row["COLLATION_NAME"] = CharSetMap.GetDefaultCollation(
row["CHARACTER_SET_NAME"].ToString(), connection);
}
// now set the octet length
if (row["CHARACTER_MAXIMUM_LENGTH"] != DBNull.Value)
{
row["CHARACTER_OCTET_LENGTH"] =
CharSetMap.GetMaxLength(row["CHARACTER_SET_NAME"].ToString(), connection) *
(int)row["CHARACTER_MAXIMUM_LENGTH"];
}
return(token);
}
private string ParseDataType(MySqlSchemaRow row, MySqlTokenizer tokenizer)
{
StringBuilder stringBuilder = new StringBuilder(StringUtility.ToUpperInvariant(tokenizer.NextToken()));
row["DATA_TYPE"] = stringBuilder.ToString();
string text = row["DATA_TYPE"].ToString();
string text2 = tokenizer.NextToken();
if (text2 == "(")
{
text2 = tokenizer.ReadParenthesis();
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, "{0}", new object[]
{
text2
});
if (text != "ENUM" && text != "SET")
{
ISSchemaProvider.ParseDataTypeSize(row, text2);
}
text2 = tokenizer.NextToken();
}
else
{
stringBuilder.Append(ISSchemaProvider.GetDataTypeDefaults(text, row));
}
while (text2 != ")" && text2 != "," && string.Compare(text2, "begin", StringComparison.OrdinalIgnoreCase) != 0 && string.Compare(text2, "return", StringComparison.OrdinalIgnoreCase) != 0)
{
if (string.Compare(text2, "CHARACTER", StringComparison.OrdinalIgnoreCase) != 0 && string.Compare(text2, "BINARY", StringComparison.OrdinalIgnoreCase) != 0)
{
if (string.Compare(text2, "SET", StringComparison.OrdinalIgnoreCase) == 0 || string.Compare(text2, "CHARSET", StringComparison.OrdinalIgnoreCase) == 0)
{
row["CHARACTER_SET_NAME"] = tokenizer.NextToken();
}
else if (string.Compare(text2, "ASCII", StringComparison.OrdinalIgnoreCase) == 0)
{
row["CHARACTER_SET_NAME"] = "latin1";
}
else if (string.Compare(text2, "UNICODE", StringComparison.OrdinalIgnoreCase) == 0)
{
row["CHARACTER_SET_NAME"] = "ucs2";
}
else if (string.Compare(text2, "COLLATE", StringComparison.OrdinalIgnoreCase) == 0)
{
row["COLLATION_NAME"] = tokenizer.NextToken();
}
else
{
stringBuilder.AppendFormat(CultureInfo.InvariantCulture, " {0}", new object[]
{
text2
});
}
}
text2 = tokenizer.NextToken();
}
if (stringBuilder.Length > 0)
{
row["DTD_IDENTIFIER"] = stringBuilder.ToString();
}
if (string.IsNullOrEmpty((string)row["COLLATION_NAME"]) && !string.IsNullOrEmpty((string)row["CHARACTER_SET_NAME"]))
{
row["COLLATION_NAME"] = CharSetMap.GetDefaultCollation(row["CHARACTER_SET_NAME"].ToString(), this.connection);
}
if (row["CHARACTER_MAXIMUM_LENGTH"] != null)
{
if (row["CHARACTER_SET_NAME"] == null)
{
row["CHARACTER_SET_NAME"] = "";
}
row["CHARACTER_OCTET_LENGTH"] = CharSetMap.GetMaxLength((string)row["CHARACTER_SET_NAME"], this.connection) * (int)row["CHARACTER_MAXIMUM_LENGTH"];
}
return(text2);
}