}
protected TInstance typeForStringType(int jdbcType, DataTypeDescriptor type,
int defaultCharsetId, int defaultCollationId,
String schemaName, String tableName, String columnName) {
TClass tclass = typeClassForJDBCType(jdbcType, schemaName, tableName, columnName);
if (tclass == null)
return null;
return typeForStringType(tclass, type,
defaultCharsetId, defaultCollationId,
schemaName, tableName, columnName);