public Result ProcessSelect()
{
Select select = ParseSelect ();
if (select.sIntoTable == null) {
// [email protected] begin changes from 1.50
// return select.getResult(cChannel.getMaxRows());
return select.GetResult (select.limitStart, select.limitCount, cChannel);
// [email protected] end changes from 1.50
} else {
Result r = select.GetResult (0, cChannel);
Table t = new Table (dDatabase, true, select.sIntoTable, false);
t.AddColumns (r);
t.CreatePrimaryKey ();
// SELECT .. INTO can't fail because of violation of primary key
t.Insert (r, cChannel);
dDatabase.LinkTable (t);
int i = r.Size;
r = new Result ();
r.SetUpdateCount (i);
return r;
}
}
public Table GetSystemTable(string name, Channel channel)
{
if (name.Equals("SYSTEM_PROCEDURES"))
{
Table t = CreateTable(name);
t.AddColumn("PROCEDURE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("PROCEDURE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("PROCEDURE_NAME", ColumnType.VarChar);
t.AddColumn("NUM_INPUT_PARAMS", ColumnType.Integer);
t.AddColumn("NUM_OUTPUT_PARAMS", ColumnType.Integer);
t.AddColumn("NUM_RESULT_SETS", ColumnType.Integer);
t.AddColumn("REMARKS", ColumnType.VarChar);
t.AddColumn("PROCEDURE_TYPE", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_PROCEDURECOLUMNS"))
{
Table t = CreateTable(name);
t.AddColumn("PROCEDURE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("PROCEDURE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("PROCEDURE_NAME", ColumnType.VarChar);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("COLUMN_TYPE", ColumnType.SmallInt);
t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn("PRECISION", ColumnType.Integer);
t.AddColumn("LENGTH", ColumnType.Integer);
t.AddColumn("SCALE", ColumnType.SmallInt);
t.AddColumn("RADIX", ColumnType.SmallInt);
t.AddColumn("NULLABLE", ColumnType.SmallInt);
t.AddColumn("REMARKS", ColumnType.VarChar);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_TABLES"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("TABLE_TYPE", ColumnType.VarChar);
t.AddColumn("REMARKS", ColumnType.VarChar);
t.CreatePrimaryKey();
for (int i = 0; i < tTable.Count; i++)
{
Table table = (Table)tTable[i];
object[] o = t.NewRow;
o[2] = table.Name;
o[3] = "TABLE";
t.Insert(o, null);
}
return(t);
}
else if (name.Equals("SYSTEM_SCHEMAS"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_CATALOGS"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_DATABASES"))
{
Table t = CreateTable(name);
t.AddColumn("DATABASE", ColumnType.VarChar);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_TABLETYPES"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_TYPE", ColumnType.VarChar);
t.CreatePrimaryKey();
object[] o = t.NewRow;
o[0] = "TABLE";
t.Insert(o, null);
return(t);
}
else if (name.Equals("SYSTEM_COLUMNS"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn(META_COLUMN_SIZE, ColumnType.Integer);
t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
t.AddColumn(META_DECIMAL_DIGITS, ColumnType.Integer);
t.AddColumn(META_NUM_PREC_RADIX, ColumnType.Integer);
t.AddColumn("NULLABLE", ColumnType.Integer);
t.AddColumn("REMARKS", ColumnType.VarChar);
// Access and Intersolv do not return this fields
t.AddColumn("COLUMN_DEF", ColumnType.VarChar);
t.AddColumn("SQL_DATA_TYPE", ColumnType.VarChar);
t.AddColumn("SQL_DATETIME_SUB", ColumnType.Integer);
t.AddColumn("CHAR_OCTET_LENGTH", ColumnType.Integer);
t.AddColumn("ORDINAL_POSITION", ColumnType.VarChar);
t.AddColumn("IS_NULLABLE", ColumnType.VarChar);
t.CreatePrimaryKey();
for (int i = 0; i < tTable.Count; i++)
{
Table table = (Table)tTable[i];
int columns = table.ColumnCount;
for (int j = 0; j < columns; j++)
{
object[] o = t.NewRow;
o[2] = table.Name;
o[3] = table.GetColumnName(j);
o[4] = table.GetColumnType(j);
o[5] = Column.GetColumnTypeString(table.GetColumnType(j));
int nullable;
if (table.GetColumnIsNullable(j))
{
nullable = Convert.ToInt32(true);
}
else
{
nullable = Convert.ToInt32(false);
}
o[10] = nullable;
if (table.IdentityColumn == j)
{
o[11] = "IDENTITY";
}
t.Insert(o, null);
}
}
return(t);
}
else if (name.Equals("SYSTEM_COLUMNPRIVILEGES"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("GRANTOR", ColumnType.VarChar);
t.AddColumn("GRANTEE", ColumnType.VarChar);
t.AddColumn("PRIVILEGE", ColumnType.VarChar);
t.AddColumn("IS_GRANTABLE", ColumnType.VarChar);
t.CreatePrimaryKey();
/*
* // todo: get correct info
* for(int i=0;i<tTable.size();i++) {
* Table table=(Table)tTable.elementAt(i);
* int columns=table.ColumnCount;
* for(int j=0;j<columns;j++) {
* object o[]=t.NewRow;
* o[2]=table.Name;
* o[3]=table.getColumnName(j);
* o[4]="sa";
* o[6]="FULL";
* o[7]="NO";
* t.insert(o,null);
* }
* }
*/
return(t);
}
else if (name.Equals("SYSTEM_TABLEPRIVILEGES"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("GRANTOR", ColumnType.VarChar);
t.AddColumn("GRANTEE", ColumnType.VarChar);
t.AddColumn("PRIVILEGE", ColumnType.VarChar);
t.AddColumn("IS_GRANTABLE", ColumnType.VarChar);
t.CreatePrimaryKey();
for (int i = 0; i < tTable.Count; i++)
{
Table table = (Table)tTable[i];
object[] o = t.NewRow;
o[2] = table.Name;
o[3] = "sa";
o[5] = "FULL";
t.Insert(o, null);
}
return(t);
}
else if (name.Equals("SYSTEM_BESTROWIDENTIFIER"))
{
Table t = CreateTable(name);
t.AddColumn("SCOPE", ColumnType.SmallInt);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn(META_COLUMN_SIZE, ColumnType.Integer);
t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
t.AddColumn(META_DECIMAL_DIGITS, ColumnType.SmallInt);
t.AddColumn("PSEUDO_COLUMN", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_VERSIONCOLUMNS"))
{
Table t = CreateTable(name);
t.AddColumn("SCOPE", ColumnType.Integer);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn(META_COLUMN_SIZE, ColumnType.SmallInt);
t.AddColumn(META_BUFFER_LENGTH, ColumnType.Integer);
t.AddColumn(META_DECIMAL_DIGITS, ColumnType.SmallInt);
t.AddColumn("PSEUDO_COLUMN", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_PRIMARYKEYS"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
t.AddColumn("PK_NAME", ColumnType.VarChar);
t.CreatePrimaryKey();
for (int i = 0; i < tTable.Count; i++)
{
Table table = (Table)tTable[i];
Index index = table.GetIndex("SYSTEM_PK");
int[] cols = index.Columns;
int len = cols.Length;
for (int j = 0; j < len; j++)
{
object[] o = t.NewRow;
o[2] = table.Name;
o[3] = table.GetColumnName(cols[j]);
o[4] = j + 1;
o[5] = "SYSTEM_PK";
t.Insert(o, null);
}
}
return(t);
}
else if (name.Equals("SYSTEM_IMPORTEDKEYS"))
{
Table t = CreateTable(name);
t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
t.AddColumn("FK_NAME", ColumnType.VarChar);
t.AddColumn("PK_NAME", ColumnType.VarChar);
t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_EXPORTEDKEYS"))
{
Table t = CreateTable(name);
t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("KEY_SEQ", ColumnType.SmallInt);
t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
t.AddColumn("FK_NAME", ColumnType.VarChar);
t.AddColumn("PK_NAME", ColumnType.VarChar);
t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_CROSSREFERENCE"))
{
Table t = CreateTable(name);
t.AddColumn("PKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("PKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("PKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("PKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("FKTABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("FKTABLE_NAME", ColumnType.VarChar);
t.AddColumn("FKCOLUMN_NAME", ColumnType.VarChar);
t.AddColumn("KEY_SEQ", ColumnType.Integer);
t.AddColumn("UPDATE_RULE", ColumnType.SmallInt);
t.AddColumn("DELETE_RULE", ColumnType.SmallInt);
t.AddColumn("FK_NAME", ColumnType.VarChar);
t.AddColumn("PK_NAME", ColumnType.VarChar);
t.AddColumn("DEFERRABILITY", ColumnType.SmallInt);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_TYPEINFO"))
{
Table t = CreateTable(name);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn("DATA_TYPE", ColumnType.SmallInt);
t.AddColumn("PRECISION", ColumnType.Integer);
t.AddColumn("LITERAL_PREFIX", ColumnType.VarChar);
t.AddColumn("LITERAL_SUFFIX", ColumnType.VarChar);
t.AddColumn("CREATE_PARAMS", ColumnType.VarChar);
t.AddColumn("NULLABLE", ColumnType.SmallInt);
t.AddColumn("CASE_SENSITIVE", ColumnType.VarChar);
t.AddColumn("SEARCHABLE", ColumnType.SmallInt);
t.AddColumn("UNSIGNED_ATTRIBUTE", ColumnType.Bit);
t.AddColumn(META_FIXED_PREC_SCALE, ColumnType.Bit);
t.AddColumn("AUTO_INCREMENT", ColumnType.Bit);
t.AddColumn("LOCAL_TYPE_NAME", ColumnType.VarChar);
t.AddColumn("MINIMUM_SCALE", ColumnType.SmallInt);
t.AddColumn("MAXIMUM_SCALE", ColumnType.SmallInt);
// this columns are not supported by Access and Intersolv
t.AddColumn("SQL_DATE_TYPE", ColumnType.Integer);
t.AddColumn("SQL_DATETIME_SUB", ColumnType.Integer);
t.AddColumn("NUM_PREC_RADIX", ColumnType.Integer);
t.CreatePrimaryKey();
for (int i = 0; i < Column.Types.Length; i++)
{
object[] o = t.NewRow;
ColumnType type = Column.Types[i];
o[0] = Column.GetColumnTypeString(type);
o[1] = type;
o[2] = 0; // precision
o[6] = true; // need Column to track nullable for this
o[7] = true; // case sensitive
o[8] = true;;
o[9] = false; // unsigned
o[10] = (type == ColumnType.Numeric || type == ColumnType.DbDecimal);
o[11] = (type == ColumnType.Integer);
o[12] = o[0];
o[13] = 0;
o[14] = 0; // maximum scale
o[15] = 0;
o[16] = o[15];
o[17] = 10;
t.Insert(o, null);
}
return(t);
}
else if (name.Equals("SYSTEM_INDEXINFO"))
{
Table t = CreateTable(name);
t.AddColumn("TABLE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TABLE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TABLE_NAME", ColumnType.VarChar);
t.AddColumn("NON_UNIQUE", ColumnType.Bit);
t.AddColumn("INDEX_QUALIFIER", ColumnType.VarChar);
t.AddColumn("INDEX_NAME", ColumnType.VarChar);
t.AddColumn("TYPE", ColumnType.SmallInt);
t.AddColumn(META_ORDINAL_POSITON, ColumnType.SmallInt);
t.AddColumn("COLUMN_NAME", ColumnType.VarChar);
t.AddColumn(META_ASC_OR_DESC, ColumnType.VarChar);
t.AddColumn("CARDINALITY", ColumnType.Integer);
t.AddColumn("PAGES", ColumnType.Integer);
t.AddColumn("FILTER_CONDITION", ColumnType.VarChar);
t.CreatePrimaryKey();
for (int i = 0; i < tTable.Count; i++)
{
Table table = (Table)tTable[i];
Index index = null;
while (true)
{
index = table.GetNextIndex(index);
if (index == null)
{
break;
}
int[] cols = index.Columns;
int len = cols.Length;
// this removes the column that makes every index unique
if (!index.IsUnique)
{
len--;
}
for (int j = 0; j < len; j++)
{
object[] o = t.NewRow;
o[2] = table.Name;
o[3] = !index.IsUnique;
o[5] = index.Name;
o[6] = 1;
o[7] = (j + 1);
o[8] = table.GetColumnName(cols[j]);
o[9] = "A";
t.Insert(o, null);
}
}
}
return(t);
}
else if (name.Equals("SYSTEM_UDTS"))
{
Table t = CreateTable(name);
t.AddColumn("TYPE_" + META_CAT, ColumnType.VarChar);
t.AddColumn("TYPE_" + META_SCHEM, ColumnType.VarChar);
t.AddColumn("TYPE_NAME", ColumnType.VarChar);
t.AddColumn("CLASS_NAME", ColumnType.Bit);
t.AddColumn("DATA_TYPE", ColumnType.VarChar);
t.AddColumn("REMARKS", ColumnType.VarChar);
t.CreatePrimaryKey();
return(t);
}
else if (name.Equals("SYSTEM_CONNECTIONINFO"))
{
Table t = CreateTable(name);
t.AddColumn("KEY", ColumnType.VarChar);
t.AddColumn("VALUE", ColumnType.VarChar);
t.CreatePrimaryKey();
object[] o = t.NewRow;
o[0] = "USER";
o[1] = channel.UserName;
t.Insert(o, null);
o = t.NewRow;
o[0] = "READONLY";
o[1] = channel.IsReadOnly ? "TRUE" : "FALSE";
t.Insert(o, null);
o = t.NewRow;
o[0] = "MAXROWS";
o[1] = "" + channel.MaxRows;
t.Insert(o, null);
o = t.NewRow;
o[0] = "DATABASE";
o[1] = "" + channel.Database.Name;
t.Insert(o, null);
o = t.NewRow;
o[0] = "IDENTITY";
o[1] = "" + channel.LastIdentity;
t.Insert(o, null);
return(t);
}
else if (name.Equals("SYSTEM_USERS"))
{
Table t = CreateTable(name);
t.AddColumn("USER", ColumnType.VarChar);
t.AddColumn("ADMIN", ColumnType.Bit);
t.CreatePrimaryKey();
ArrayList v = aAccess.GetUsers();
for (int i = 0; i < v.Count; i++)
{
User u = (User)v[i];
// todo: this is not a nice implementation
if (u == null)
{
continue;
}
string user = u.Name;
if (!user.Equals("PUBLIC"))
{
object[] o = t.NewRow;
o[0] = user;
o[1] = u.IsAdmin;
t.Insert(o, null);
}
}
return(t);
}
return(null);
}
private TableFilter ParseTableFilter(bool outerjoin)
{
string token = tTokenizer.GetString ();
Table t = null;
if (token.Equals ("(")) {
tTokenizer.GetThis ("SELECT");
Select s = ParseSelect ();
Result r = s.GetResult (0, null);
// it's not a problem that this table has not a unique name
t = new Table (dDatabase, false, "SYSTEM_SUBQUERY", false);
tTokenizer.GetThis (")");
t.AddColumns (r);
t.CreatePrimaryKey ();
// subquery creation can't fail because of violation of primary key
t.Insert (r, cChannel);
} else {
cChannel.Check (token, AccessType.Select);
t = dDatabase.GetTable (token, cChannel);
}
string sAlias = null;
token = tTokenizer.GetString ();
if (token.Equals ("AS")) {
sAlias = tTokenizer.GetName ();
} else if (tTokenizer.WasName) {
sAlias = token;
} else {
tTokenizer.Back ();
}
return new TableFilter (t, sAlias, outerjoin);
}