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September 14, 2012 19:03
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OracleDataReader ctor
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| // Oracle.DataAccess.Client.OracleDataReader | |
| private IntPtr m_pColumnsDataBuffer = IntPtr.Zero; | |
| private object m_disposeSyncObj = new object(); | |
| internal unsafe OracleDataReader(OracleConnection connection, IntPtr[] opsSqlCtx, IntPtr opsDacCtx, IntPtr opsErrCtx, OpoSqlValCtx* pOpoSqlValCtx, OpoDacValCtx* pOpoDacValCtx, MetaData metaData, int resultCount, CommandBehavior commandBehavior, Hashtable safeMapping, string commandText, int freeOpsSqlCtx, bool bFetchSizePropertySet) | |
| { | |
| int num = 0; | |
| this.m_bBOF = true; | |
| this.m_external = true; | |
| this.m_safeMapping = safeMapping; | |
| this.m_bFetchSizePropertySet = bFetchSizePropertySet; | |
| this.m_resultCount = resultCount; | |
| this.m_commandBehavior = commandBehavior; | |
| this.m_connection = connection; | |
| this.m_fetchArrayPooler = connection.m_opoConCtx.m_fetchArrayPooler; | |
| this.m_conSignature = this.m_connection.m_conSignature; | |
| this.m_opsSqlCtx = opsSqlCtx; | |
| this.m_opsDacCtx = opsDacCtx; | |
| this.m_opsErrCtx = opsErrCtx; | |
| this.m_pOpoSqlValCtx = pOpoSqlValCtx; | |
| this.m_fetchSize = this.m_pOpoSqlValCtx->FetchSize; | |
| this.m_commandText = commandText; | |
| this.m_freeOpsSqlCtx = freeOpsSqlCtx; | |
| if (this.m_pOpoSqlValCtx->AddRowid == 1) | |
| { | |
| this.m_addRowid = true; | |
| } | |
| if (this.m_pOpoSqlValCtx->CommandType == 4 || this.m_pOpoSqlValCtx->CommandType == 2 || this.m_pOpoSqlValCtx->CommandType == 3) | |
| { | |
| this.m_recordsAffected = this.m_pOpoSqlValCtx->RowsAffected; | |
| } | |
| else | |
| { | |
| this.m_recordsAffected = -1; | |
| } | |
| this.m_opsConCtx = this.m_connection.m_opoConCtx.opsConCtx; | |
| if (this.m_opsConCtx == IntPtr.Zero) | |
| { | |
| GC.SuppressFinalize(this); | |
| throw new InvalidOperationException(OpoErrResManager.GetErrorMesg(ErrRes.CON_CLOSED, new string[0])); | |
| } | |
| if (this.m_connection.m_conSignature != this.m_conSignature) | |
| { | |
| GC.SuppressFinalize(this); | |
| throw new InvalidOperationException(OpoErrResManager.GetErrorMesg(ErrRes.CON_REOPENED, new string[0])); | |
| } | |
| try | |
| { | |
| int num2 = OpsCon.AddRef(this.m_opsConCtx); | |
| if (num2 <= 1) | |
| { | |
| throw new InvalidOperationException(OpoErrResManager.GetErrorMesg(ErrRes.CON_CLOSED, new string[0])); | |
| } | |
| } | |
| catch (Exception ex) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex); | |
| } | |
| GC.SuppressFinalize(this); | |
| throw; | |
| } | |
| if (this.m_opsErrCtx == IntPtr.Zero) | |
| { | |
| try | |
| { | |
| num = OpsErr.AllocCtx(ref this.m_opsErrCtx, this.m_opsConCtx); | |
| } | |
| catch (Exception ex2) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex2); | |
| } | |
| num = ErrRes.INT_ERR; | |
| GC.SuppressFinalize(this); | |
| throw; | |
| } | |
| finally | |
| { | |
| if (num != 0) | |
| { | |
| try | |
| { | |
| OpsCon.RelRef(ref this.m_opsConCtx); | |
| } | |
| catch (Exception ex3) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex3); | |
| } | |
| } | |
| if (num != ErrRes.INT_ERR) | |
| { | |
| GC.SuppressFinalize(this); | |
| OracleException.HandleError(num, this.m_connection, this.m_opsErrCtx, this); | |
| } | |
| } | |
| } | |
| } | |
| this.m_metaData = metaData; | |
| if (this.m_metaData != null) | |
| { | |
| if (!this.m_addRowid) | |
| { | |
| this.m_pOpoMetValCtx = this.m_metaData.m_pOpoMetValCtx; | |
| } | |
| else | |
| { | |
| this.m_pOpoMetValCtx = this.m_metaData.m_pOpoMetValCtxWRowid; | |
| } | |
| try | |
| { | |
| OpsMet.AddRef(this.m_pOpoMetValCtx); | |
| } | |
| catch (Exception ex4) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex4); | |
| } | |
| num = ErrRes.INT_ERR; | |
| GC.SuppressFinalize(this); | |
| throw; | |
| } | |
| finally | |
| { | |
| if (num != 0) | |
| { | |
| try | |
| { | |
| OpsCon.RelRef(ref this.m_opsConCtx); | |
| } | |
| catch (Exception ex5) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex5); | |
| } | |
| } | |
| if (num != ErrRes.INT_ERR) | |
| { | |
| GC.SuppressFinalize(this); | |
| OracleException.HandleError(num, this.m_connection, this.m_opsErrCtx, this); | |
| } | |
| } | |
| } | |
| } | |
| if (this.m_opsSqlCtx != null && this.m_pOpoMetValCtx == null && (this.m_pOpoSqlValCtx->CommandType == 8 || this.m_pOpoSqlValCtx->CommandType == 9) && this.m_opsSqlCtx[this.m_currentResultIndex] != IntPtr.Zero) | |
| { | |
| try | |
| { | |
| num = OpsMet.GetValCtx(this.m_opsConCtx, this.m_opsErrCtx, this.m_opsSqlCtx[this.m_currentResultIndex], this.m_pOpoSqlValCtx, ref this.m_pOpoMetValCtx); | |
| } | |
| catch (Exception ex6) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex6); | |
| } | |
| num = ErrRes.INT_ERR; | |
| throw; | |
| } | |
| finally | |
| { | |
| if (num != 0) | |
| { | |
| try | |
| { | |
| OpsCon.RelRef(ref this.m_opsConCtx); | |
| } | |
| catch (Exception ex7) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex7); | |
| } | |
| } | |
| try | |
| { | |
| OpsMet.RelRef(this.m_pOpoMetValCtx); | |
| } | |
| catch (Exception ex8) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex8); | |
| } | |
| } | |
| if (num != ErrRes.INT_ERR) | |
| { | |
| OracleException.HandleError(num, this.m_connection, this.m_opsErrCtx, this); | |
| } | |
| } | |
| } | |
| } | |
| if (this.m_pOpoMetValCtx != null) | |
| { | |
| this.m_rowSize = (long)this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)((*this.m_pOpoMetValCtx).NoOfCols - 1) * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].Offset; | |
| this.m_fieldCount = (int)(this.m_pOpoMetValCtx->NoOfCols - (*this.m_pOpoMetValCtx).NoOfHiddenCols); | |
| this.m_bHasUdtType = (this.m_pOpoMetValCtx->bHasUdtType == 1); | |
| } | |
| try | |
| { | |
| if (this.m_opsDacCtx != IntPtr.Zero && pOpoDacValCtx != null) | |
| { | |
| this.m_pOpoDacValCtx = pOpoDacValCtx; | |
| } | |
| else | |
| { | |
| num = OpsDac.AllocValCtx(ref this.m_pOpoDacValCtx); | |
| } | |
| } | |
| catch (Exception ex9) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex9); | |
| } | |
| num = ErrRes.INT_ERR; | |
| throw; | |
| } | |
| finally | |
| { | |
| if (num != 0) | |
| { | |
| try | |
| { | |
| OpsCon.RelRef(ref this.m_opsConCtx); | |
| } | |
| catch (Exception ex10) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex10); | |
| } | |
| } | |
| try | |
| { | |
| OpsMet.RelRef(this.m_pOpoMetValCtx); | |
| } | |
| catch (Exception ex11) | |
| { | |
| if (OraTrace.m_TraceLevel != 0u) | |
| { | |
| OraTrace.TraceExceptionInfo(ex11); | |
| } | |
| } | |
| if (num != ErrRes.INT_ERR) | |
| { | |
| OracleException.HandleError(num, this.m_connection, this.m_opsErrCtx, this); | |
| } | |
| } | |
| } | |
| this.m_pOpoDacValCtx->InitialLongFS = (*this.m_pOpoSqlValCtx).InitialLongFS; | |
| this.m_pOpoDacValCtx->InitialLobFS = (*this.m_pOpoSqlValCtx).InitialLobFS; | |
| this.m_pOpoDacValCtx->ResultsetIndex = this.m_currentResultIndex; | |
| this.m_pOpoDacValCtx->pSnapShot = (*pOpoSqlValCtx).pSnapShot; | |
| pOpoSqlValCtx->pSnapShot = IntPtr.Zero; | |
| this.m_pOpoDacValCtx->AddRowid = (*this.m_pOpoSqlValCtx).AddRowid; | |
| this.m_pOpoDacValCtx->AddToStmtCache = (*this.m_pOpoSqlValCtx).AddToStmtCache; | |
| this.m_isDBVer10gR2OrHigher = this.m_connection.IsDBVer10gR2OrHigher; | |
| if (this.m_metaData != null && this.m_metaData.m_dotNetNumericAccessor != null && this.m_metaData.m_rowSize == this.m_rowSize) | |
| { | |
| this.m_colOffset = this.m_metaData.m_colOffset; | |
| this.m_colIndOffset = this.m_metaData.m_colIndOffset; | |
| this.m_colLenOffset = this.m_metaData.m_colLenOffset; | |
| this.m_oraType = this.m_metaData.m_oraType; | |
| this.m_oracleDbType = this.m_metaData.m_oracleDbType; | |
| this.m_dotNetNumericAccessor = this.m_metaData.m_dotNetNumericAccessor; | |
| } | |
| else | |
| { | |
| this.m_colOffset = new uint[this.m_fieldCount]; | |
| this.m_colIndOffset = new uint[this.m_fieldCount]; | |
| this.m_colLenOffset = new uint[this.m_fieldCount]; | |
| this.m_oraType = new OraType[this.m_fieldCount]; | |
| this.m_oracleDbType = new OracleDbType[this.m_fieldCount]; | |
| this.m_dotNetNumericAccessor = new DotNetNumericAccessor[this.m_fieldCount]; | |
| for (int i = 0; i < this.m_fieldCount; i++) | |
| { | |
| this.m_colOffset[i] = 0u; | |
| if (i > 0) | |
| { | |
| this.m_colOffset[i] = this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)(i - 1) * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].Offset; | |
| } | |
| this.m_colIndOffset[i] = this.m_colOffset[i] + this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)i * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].Define.Length; | |
| this.m_colLenOffset[i] = this.m_colIndOffset[i] + 2u; | |
| this.m_oraType[i] = (OraType)this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)i * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].OraType; | |
| this.m_oracleDbType[i] = this.GetOraDbTypeEx(i); | |
| int scale = (int)this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)i * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].Scale; | |
| int precision = (int)this.m_pOpoMetValCtx->pColMetaVal[(IntPtr)i * (IntPtr)sizeof(ColMetaVal) / sizeof(ColMetaVal)].Precision; | |
| if (scale <= 0 && precision - scale < 5) | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetInt16; | |
| } | |
| else | |
| { | |
| if (scale <= 0 && precision - scale < 10) | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetInt32; | |
| } | |
| else | |
| { | |
| if (scale <= 0 && precision - scale < 19) | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetInt64; | |
| } | |
| else | |
| { | |
| if (precision < 8 && ((scale <= 0 && precision - scale <= 38) || (scale > 0 && scale <= 44))) | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetFloat; | |
| } | |
| else | |
| { | |
| if (precision < 16) | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetDouble; | |
| } | |
| else | |
| { | |
| this.m_dotNetNumericAccessor[i] = DotNetNumericAccessor.GetDecimal; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| if (this.m_metaData != null && this.m_metaData.m_dotNetNumericAccessor == null) | |
| { | |
| MetaData metaData2; | |
| Monitor.Enter(metaData2 = this.m_metaData); | |
| try | |
| { | |
| if (this.m_metaData.m_dotNetNumericAccessor == null) | |
| { | |
| this.m_metaData.m_rowSize = this.m_rowSize; | |
| this.m_metaData.m_colOffset = this.m_colOffset; | |
| this.m_metaData.m_colIndOffset = this.m_colIndOffset; | |
| this.m_metaData.m_colLenOffset = this.m_colLenOffset; | |
| this.m_metaData.m_oraType = this.m_oraType; | |
| this.m_metaData.m_oracleDbType = this.m_oracleDbType; | |
| this.m_metaData.m_dotNetNumericAccessor = this.m_dotNetNumericAccessor; | |
| } | |
| } | |
| finally | |
| { | |
| Monitor.Exit(metaData2); | |
| } | |
| } | |
| } | |
| this.m_currentClientRow = 0; | |
| this.m_recordCount = this.m_pOpoDacValCtx->RecordCount; | |
| this.m_fetchArrayLocation = (long)this.m_pOpoSqlValCtx->FetchArrayLocation; | |
| if (this.m_opsSqlCtx == null || this.m_pOpoMetValCtx == null || (this.m_commandBehavior & CommandBehavior.SchemaOnly) == CommandBehavior.SchemaOnly) | |
| { | |
| this.m_bSetLastFetch = true; | |
| } | |
| this.m_bCmdBehaviorSingleRow = ((this.m_commandBehavior & CommandBehavior.SingleRow) == CommandBehavior.SingleRow); | |
| object syncRoot; | |
| Monitor.Enter(syncRoot = this.m_connection.m_DataReaderList.SyncRoot); | |
| try | |
| { | |
| this.m_connection.m_DataReaderList.Add(this); | |
| } | |
| finally | |
| { | |
| Monitor.Exit(syncRoot); | |
| } | |
| } |
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