protected override DbSqlParserColumnCollection GatherTableColumns(DbSqlParserTable table)
{
OciStatementHandle stmtp = new OciStatementHandle(this._connection.ServiceContextHandle);
OciErrorHandle errorHandle = this._connection.ErrorHandle;
StringBuilder builder = new StringBuilder();
string schemaName = table.SchemaName;
string tableName = table.TableName;
DbSqlParserColumnCollection columns = new DbSqlParserColumnCollection();
builder.Append("select * from ");
if (!System.Data.Common.ADP.IsEmpty(schemaName))
{
builder.Append(schemaName);
builder.Append(".");
}
builder.Append(tableName);
string stmt = builder.ToString();
if ((TracedNativeMethods.OCIStmtPrepare(stmtp, errorHandle, stmt, OCI.SYNTAX.OCI_NTV_SYNTAX, OCI.MODE.OCI_DEFAULT, this._connection) == 0) && (TracedNativeMethods.OCIStmtExecute(this._connection.ServiceContextHandle, stmtp, errorHandle, 0, OCI.MODE.OCI_DESCRIBE_ONLY) == 0))
{
int num3;
stmtp.GetAttribute(OCI.ATTR.OCI_ATTR_PARAM_COUNT, out num3, errorHandle);
for (int i = 0; i < num3; i++)
{
string str;
OciParameterDescriptor handle = stmtp.GetDescriptor(i, errorHandle);
handle.GetAttribute(OCI.ATTR.OCI_ATTR_SQLCODE, out str, errorHandle, this._connection);
OciHandle.SafeDispose(ref handle);
str = this.QuotePrefixCharacter + str + this.QuoteSuffixCharacter;
columns.Add(null, schemaName, tableName, str, null);
}
}
OciHandle.SafeDispose(ref stmtp);
return(columns);
}
internal void CopySchemaInfoFrom(DbSqlParserTable table)
{
this._databaseName = table.DatabaseName;
this._schemaName = table.SchemaName;
this._tableName = table.TableName;
this._isKey = false;
this._isUnique = false;
}
internal void CopySchemaInfoFrom(DbSqlParserTable table)
{
this._databaseName = table.DatabaseName;
this._schemaName = table.SchemaName;
this._tableName = table.TableName;
this._isKey = false;
this._isUnique = false;
}
protected DbSqlParserColumn FindCompletedColumn(DbSqlParserTable table, DbSqlParserColumn searchColumn)
{
DbSqlParserColumnCollection columns = table.Columns;
int count = columns.Count;
for (int i = 0; i < count; i++)
{
DbSqlParserColumn column = columns[i];
if (this.CatalogMatch(column.ColumnName, searchColumn.ColumnName))
{
return(column);
}
}
return(null);
}
internal DbSqlParserTable FindTableForColumn(DbSqlParserColumn column)
{
DbSqlParserTableCollection tables = this.Tables;
int count = tables.Count;
for (int i = 0; i < count; i++)
{
DbSqlParserTable table = tables[i];
if ((System.Data.Common.ADP.IsEmpty(column.DatabaseName) && System.Data.Common.ADP.IsEmpty(column.SchemaName)) && this.CatalogMatch(column.TableName, table.CorrelationName))
{
return(table);
}
if (((System.Data.Common.ADP.IsEmpty(column.DatabaseName) || this.CatalogMatch(column.DatabaseName, table.DatabaseName)) && (System.Data.Common.ADP.IsEmpty(column.SchemaName) || this.CatalogMatch(column.SchemaName, table.SchemaName))) && (System.Data.Common.ADP.IsEmpty(column.TableName) || this.CatalogMatch(column.TableName, table.TableName)))
{
return(table);
}
}
return(null);
}
protected abstract DbSqlParserColumnCollection GatherTableColumns(DbSqlParserTable table);
protected abstract void GatherKeyColumns(DbSqlParserTable table);
protected DbSqlParserColumn FindCompletedColumn(DbSqlParserTable table, DbSqlParserColumn searchColumn)
{
DbSqlParserColumnCollection columns = table.Columns;
int count = columns.Count;
for (int i = 0; i < count; i++)
{
DbSqlParserColumn column = columns[i];
if (this.CatalogMatch(column.ColumnName, searchColumn.ColumnName))
{
return column;
}
}
return null;
}
protected override void GatherKeyColumns(DbSqlParserTable table)
{
using (OracleCommand command = this._connection.CreateCommand())
{
command.Transaction = this._connection.Transaction;
string schemaName = CatalogCase(table.SchemaName);
string tableName = CatalogCase(table.TableName);
string str = schemaName;
string str4 = tableName;
command.CommandText = this.GetSynonymQueryStatement(schemaName, tableName);
using (OracleDataReader reader2 = command.ExecuteReader())
{
if (reader2.Read())
{
str = reader2.GetString(0);
str4 = reader2.GetString(1);
}
}
StringBuilder builder2 = new StringBuilder(ConstraintQuery1a);
StringBuilder builder = new StringBuilder(ConstraintQuery2a);
if (System.Data.Common.ADP.IsEmpty(str))
{
builder2.Append(ConstraintQuery1b_ownerDefault);
builder.Append(ConstraintQuery2b_ownerDefault);
}
else
{
command.Parameters.Add(new OracleParameter(ConstraintOwnerParameterName, DbType.String)).Value = str;
builder2.Append(ConstraintQuery1b_ownerIsKnown);
builder.Append(ConstraintQuery2b_ownerIsKnown);
}
command.Parameters.Add(new OracleParameter(ConstraintTableParameterName, DbType.String)).Value = str4;
builder2.Append(ConstraintQuery1c);
builder.Append(ConstraintQuery2c);
string[] strArray3 = new string[] { builder2.ToString(), builder.ToString() };
foreach (string str6 in strArray3)
{
command.CommandText = str6;
using (OracleDataReader reader = command.ExecuteReader())
{
ArrayList list = new ArrayList();
bool flag2 = reader.Read();
bool flag = false;
while (flag2)
{
ConstraintColumn column;
list.Clear();
string str5 = reader.GetString(0);
do
{
column = new ConstraintColumn {
columnName = reader.GetString(1),
constraintType = (DbSqlParserColumn.ConstraintType) ((int) reader.GetDecimal(2)),
parsedColumn = null
};
list.Add(column);
flag2 = reader.Read();
}
while (flag2 && (str5 == reader.GetString(0)));
flag = true;
for (int i = 0; i < list.Count; i++)
{
column = (ConstraintColumn) list[i];
column.parsedColumn = this.FindConstraintColumn(schemaName, tableName, column.columnName);
if (column.parsedColumn == null)
{
flag = false;
break;
}
}
if (flag)
{
for (int j = 0; j < list.Count; j++)
{
column = (ConstraintColumn) list[j];
column.parsedColumn.SetConstraint(column.constraintType);
}
break;
}
}
if (flag)
{
return;
}
}
}
}
}
protected override DbSqlParserColumnCollection GatherTableColumns(DbSqlParserTable table)
{
OciStatementHandle stmtp = new OciStatementHandle(this._connection.ServiceContextHandle);
OciErrorHandle errorHandle = this._connection.ErrorHandle;
StringBuilder builder = new StringBuilder();
string schemaName = table.SchemaName;
string tableName = table.TableName;
DbSqlParserColumnCollection columns = new DbSqlParserColumnCollection();
builder.Append("select * from ");
if (!System.Data.Common.ADP.IsEmpty(schemaName))
{
builder.Append(schemaName);
builder.Append(".");
}
builder.Append(tableName);
string stmt = builder.ToString();
if ((TracedNativeMethods.OCIStmtPrepare(stmtp, errorHandle, stmt, OCI.SYNTAX.OCI_NTV_SYNTAX, OCI.MODE.OCI_DEFAULT, this._connection) == 0) && (TracedNativeMethods.OCIStmtExecute(this._connection.ServiceContextHandle, stmtp, errorHandle, 0, OCI.MODE.OCI_DESCRIBE_ONLY) == 0))
{
int num3;
stmtp.GetAttribute(OCI.ATTR.OCI_ATTR_PARAM_COUNT, out num3, errorHandle);
for (int i = 0; i < num3; i++)
{
string str;
OciParameterDescriptor handle = stmtp.GetDescriptor(i, errorHandle);
handle.GetAttribute(OCI.ATTR.OCI_ATTR_SQLCODE, out str, errorHandle, this._connection);
OciHandle.SafeDispose(ref handle);
str = this.QuotePrefixCharacter + str + this.QuoteSuffixCharacter;
columns.Add(null, schemaName, tableName, str, null);
}
}
OciHandle.SafeDispose(ref stmtp);
return columns;
}
internal DbSqlParserTable Add(string databaseName, string schemaName, string tableName, string correlationName)
{
DbSqlParserTable table = new DbSqlParserTable(databaseName, schemaName, tableName, correlationName);
return(this.Add(table));
}
private void CompleteSchemaInformation()
{
DbSqlParserColumnCollection columns = this.Columns;
DbSqlParserTableCollection tables = this.Tables;
int count = columns.Count;
int num10 = tables.Count;
for (int i = 0; i < num10; i++)
{
DbSqlParserTable table2 = tables[i];
DbSqlParserColumnCollection columns4 = this.GatherTableColumns(table2);
table2.Columns = columns4;
}
for (int j = 0; j < count; j++)
{
DbSqlParserColumn column = columns[j];
DbSqlParserTable table = this.FindTableForColumn(column);
if (!column.IsExpression)
{
if ("*" == column.ColumnName)
{
columns.RemoveAt(j);
if (column.TableName.Length != 0)
{
DbSqlParserColumnCollection columns3 = table.Columns;
int num9 = columns3.Count;
for (int m = 0; m < num9; m++)
{
columns.Insert(j + m, columns3[m]);
}
count += num9 - 1;
j += num9 - 1;
}
else
{
for (int n = 0; n < num10; n++)
{
table = tables[n];
DbSqlParserColumnCollection columns2 = table.Columns;
int num8 = columns2.Count;
for (int num2 = 0; num2 < num8; num2++)
{
columns.Insert(j + num2, columns2[num2]);
}
count += num8 - 1;
j += num8;
}
}
}
else
{
DbSqlParserColumn completedColumn = this.FindCompletedColumn(table, column);
if (completedColumn != null)
{
column.CopySchemaInfoFrom(completedColumn);
}
else
{
column.CopySchemaInfoFrom(table);
}
}
}
}
for (int k = 0; k < num10; k++)
{
DbSqlParserTable table3 = tables[k];
this.GatherKeyColumns(table3);
}
}
protected abstract DbSqlParserColumnCollection GatherTableColumns(DbSqlParserTable table);
protected abstract void GatherKeyColumns(DbSqlParserTable table);
internal DbSqlParserTable Add(string databaseName, string schemaName, string tableName, string correlationName)
{
DbSqlParserTable table = new DbSqlParserTable(databaseName, schemaName, tableName, correlationName);
return this.Add(table);
}
internal DbSqlParserTable Add(DbSqlParserTable value)
{
this.OnValidate(value);
base.InnerList.Add(value);
return(value);
}
internal DbSqlParserTable Add(DbSqlParserTable value)
{
this.OnValidate(value);
base.InnerList.Add(value);
return value;
}
protected override void GatherKeyColumns(DbSqlParserTable table)
{
using (OracleCommand command = this._connection.CreateCommand())
{
command.Transaction = this._connection.Transaction;
string schemaName = CatalogCase(table.SchemaName);
string tableName = CatalogCase(table.TableName);
string str = schemaName;
string str4 = tableName;
command.CommandText = this.GetSynonymQueryStatement(schemaName, tableName);
using (OracleDataReader reader2 = command.ExecuteReader())
{
if (reader2.Read())
{
str = reader2.GetString(0);
str4 = reader2.GetString(1);
}
}
StringBuilder builder2 = new StringBuilder(ConstraintQuery1a);
StringBuilder builder = new StringBuilder(ConstraintQuery2a);
if (System.Data.Common.ADP.IsEmpty(str))
{
builder2.Append(ConstraintQuery1b_ownerDefault);
builder.Append(ConstraintQuery2b_ownerDefault);
}
else
{
command.Parameters.Add(new OracleParameter(ConstraintOwnerParameterName, DbType.String)).Value = str;
builder2.Append(ConstraintQuery1b_ownerIsKnown);
builder.Append(ConstraintQuery2b_ownerIsKnown);
}
command.Parameters.Add(new OracleParameter(ConstraintTableParameterName, DbType.String)).Value = str4;
builder2.Append(ConstraintQuery1c);
builder.Append(ConstraintQuery2c);
string[] strArray3 = new string[] { builder2.ToString(), builder.ToString() };
foreach (string str6 in strArray3)
{
command.CommandText = str6;
using (OracleDataReader reader = command.ExecuteReader())
{
ArrayList list = new ArrayList();
bool flag2 = reader.Read();
bool flag = false;
while (flag2)
{
ConstraintColumn column;
list.Clear();
string str5 = reader.GetString(0);
do
{
column = new ConstraintColumn {
columnName = reader.GetString(1),
constraintType = (DbSqlParserColumn.ConstraintType)((int)reader.GetDecimal(2)),
parsedColumn = null
};
list.Add(column);
flag2 = reader.Read();
}while (flag2 && (str5 == reader.GetString(0)));
flag = true;
for (int i = 0; i < list.Count; i++)
{
column = (ConstraintColumn)list[i];
column.parsedColumn = this.FindConstraintColumn(schemaName, tableName, column.columnName);
if (column.parsedColumn == null)
{
flag = false;
break;
}
}
if (flag)
{
for (int j = 0; j < list.Count; j++)
{
column = (ConstraintColumn)list[j];
column.parsedColumn.SetConstraint(column.constraintType);
}
break;
}
}
if (flag)
{
return;
}
}
}
}
}
