Inherits TObject.
Public Member Functions | |
PZRowBuffer | Alloc () |
PZRowBuffer | AllocBuffer (PZRowBuffer &Buffer) |
Allocates a new row buffer and sets it into the variable. | |
Clear () | |
ClearBuffer (PZRowBuffer Buffer) | |
CloneBuffer (PZRowBuffer SrcBuffer, PZRowBuffer DestBuffer) | |
Clones the row buffer from source to destination row. | |
CloneFrom (PZRowBuffer SrcBuffer) | |
CloneTo (PZRowBuffer DestBuffer) | |
Integer | CompareBuffers (PZRowBuffer Buffer1, PZRowBuffer Buffer2, TIntegerDynArray ColumnIndices, TBooleanDynArray ColumnDirs) |
Compares fields from two row buffers. | |
CopyBuffer (PZRowBuffer SrcBuffer, PZRowBuffer DestBuffer) | |
Copies the row buffer from source to destination row. | |
CopyFrom (PZRowBuffer SrcBuffer) | |
CopyTo (PZRowBuffer DestBuffer) | |
Dispose () | |
DisposeBuffer (PZRowBuffer Buffer) | |
Disposes the specified row buffer. | |
TStream | GetAsciiStream (Integer ColumnIndex, Boolean &IsNull) |
Extended | GetBigDecimal (Integer ColumnIndex, Boolean &IsNull) |
TStream | GetBinaryStream (Integer ColumnIndex, Boolean &IsNull) |
IZBlob | GetBlob (Integer ColumnIndex, Boolean &IsNull) |
Boolean | GetBoolean (Integer ColumnIndex, Boolean &IsNull) |
ShortInt | GetByte (Integer ColumnIndex, Boolean &IsNull) |
TByteDynArray | GetBytes (Integer ColumnIndex, Boolean &IsNull) |
Boolean | GetColumnCase (Integer ColumnIndex) |
Pointer | GetColumnData (Integer ColumnIndex, Boolean &IsNull) |
Integer | GetColumnDataSize (Integer ColumnIndex) |
Integer | GetColumnLength (Integer ColumnIndex) |
string | GetColumnName (Integer ColumnIndex) |
Integer | GetColumnOffSet (Integer ColumnIndex) |
TZSQLType | GetColumnType (Integer ColumnIndex) |
TDateTime | GetDate (Integer ColumnIndex, Boolean &IsNull) |
Double | GetDouble (Integer ColumnIndex, Boolean &IsNull) |
Single | GetFloat (Integer ColumnIndex, Boolean &IsNull) |
Integer | GetInt (Integer ColumnIndex, Boolean &IsNull) |
Int64 | GetLong (Integer ColumnIndex, Boolean &IsNull) |
PChar | GetPChar (Integer ColumnIndex, Boolean &IsNull) |
SmallInt | GetShort (Integer ColumnIndex, Boolean &IsNull) |
string | GetString (Integer ColumnIndex, Boolean &IsNull) |
TDateTime | GetTime (Integer ColumnIndex, Boolean &IsNull) |
TDateTime | GetTimestamp (Integer ColumnIndex, Boolean &IsNull) |
TStream | GetUnicodeStream (Integer ColumnIndex, Boolean &IsNull) |
WideString | GetUnicodeString (Integer ColumnIndex, Boolean &IsNull) |
TZVariant | GetValue (Integer ColumnIndex) |
Init () | |
InitBuffer (PZRowBuffer Buffer) | |
Initializes the row buffer. | |
Boolean | IsNull (Integer ColumnIndex) |
MoveBuffer (PZRowBuffer SrcBuffer, PZRowBuffer DestBuffer) | |
Moves the row buffer from source to destination row. | |
MoveFrom (PZRowBuffer SrcBuffer) | |
MoveTo (PZRowBuffer DestBuffer) | |
SetAsciiStream (Integer ColumnIndex, TStream Value) | |
SetBigDecimal (Integer ColumnIndex, Extended Value) | |
SetBinaryStream (Integer ColumnIndex, TStream Value) | |
SetBlob (Integer ColumnIndex, IZBlob Value) | |
SetBoolean (Integer ColumnIndex, Boolean Value) | |
SetByte (Integer ColumnIndex, ShortInt Value) | |
SetBytes (Integer ColumnIndex, TByteDynArray Value) | |
SetDate (Integer ColumnIndex, TDateTime Value) | |
SetDouble (Integer ColumnIndex, Double Value) | |
SetFloat (Integer ColumnIndex, Single Value) | |
SetInt (Integer ColumnIndex, Integer Value) | |
SetLong (Integer ColumnIndex, Int64 Value) | |
SetNotNull (Integer ColumnIndex) | |
SetNull (Integer ColumnIndex) | |
SetPChar (Integer ColumnIndex, PChar Value) | |
SetShort (Integer ColumnIndex, SmallInt Value) | |
SetString (Integer ColumnIndex, string Value) | |
SetTime (Integer ColumnIndex, TDateTime Value) | |
SetTimestamp (Integer ColumnIndex, TDateTime Value) | |
SetUnicodeStream (Integer ColumnIndex, TStream Value) | |
SetUnicodeString (Integer ColumnIndex, WideString Value) | |
SetValue (Integer ColumnIndex, TZVariant Value) | |
TZRowAccessor (TObjectList ColumnsInfo) | |
Creates this object and assignes the main properties. | |
~TZRowAccessor () | |
Destroys this object and cleanups the memory. | |
Public Attributes | |
Integer | ColumnsSize |
PZRowBuffer | RowBuffer |
Integer | RowSize |
Protected Member Functions | |
CheckColumnConvertion (Integer ColumnIndex, TZSQLType ResultType) | |
Checks is the column convertion from one type to another type allowed. | |
CheckColumnIndex (Integer ColumnIndex) | |
Checks is the column index correct and row buffer is available. | |
Private Types | |
typedef array< Boolean > | FColumnCases |
typedef array< Integer > | FColumnLengths |
typedef array< string > | FColumnNames |
typedef array< Integer > | FColumnOffsets |
typedef array< TZSQLType > | FColumnTypes |
Private Member Functions | |
IZBlob | GetBlobObject (PZRowBuffer Buffer, Integer ColumnIndex) |
Gets a stream from the specified columns. | |
Integer | GetColumnSize (TZColumnInfo ColumnInfo) |
Gets a size of column with the specified type. | |
SetBlobObject (PZRowBuffer Buffer, Integer ColumnIndex, IZBlob Value) | |
Sets a blob into the specified columns. | |
Private Attributes | |
PZRowBuffer | FBuffer |
Integer | FColumnCount |
Integer | FColumnsSize |
Boolean | FHasBlobs |
Integer | FRowSize |
string | FTemp |
Definition at line 105 of file ZDbcCache.pas.
typedef array<Boolean> TZRowAccessor::FColumnCases [private] |
Definition at line 117 of file ZDbcCache.pas.
typedef array<Integer> TZRowAccessor::FColumnLengths [private] |
Definition at line 119 of file ZDbcCache.pas.
typedef array<string> TZRowAccessor::FColumnNames [private] |
Definition at line 116 of file ZDbcCache.pas.
typedef array<Integer> TZRowAccessor::FColumnOffsets [private] |
Definition at line 120 of file ZDbcCache.pas.
typedef array<TZSQLType> TZRowAccessor::FColumnTypes [private] |
Definition at line 118 of file ZDbcCache.pas.
TZRowAccessor::TZRowAccessor | ( | TObjectList | ColumnsInfo | ) |
Creates this object and assignes the main properties.
ColumnsInfo | a collection with column information. |
Definition at line 519 of file ZDbcCache.pas.
TZRowAccessor::~TZRowAccessor | ( | ) |
PZRowBuffer TZRowAccessor::Alloc | ( | ) |
PZRowBuffer TZRowAccessor::AllocBuffer | ( | PZRowBuffer & | Buffer | ) |
Allocates a new row buffer and sets it into the variable.
Buffer | a pointer to row buffer. |
Definition at line 726 of file ZDbcCache.pas.
TZRowAccessor::CheckColumnConvertion | ( | Integer | ColumnIndex, | |
TZSQLType | ResultType | |||
) | [protected] |
Checks is the column convertion from one type to another type allowed.
ColumnIndex | an index of column. | |
ResultType | a requested data type. |
true
if convertion is allowed or throw exception otherwise. Definition at line 592 of file ZDbcCache.pas.
TZRowAccessor::CheckColumnIndex | ( | Integer | ColumnIndex | ) | [protected] |
Checks is the column index correct and row buffer is available.
ColumnIndex | an index of column. |
Definition at line 571 of file ZDbcCache.pas.
TZRowAccessor::Clear | ( | ) |
TZRowAccessor::ClearBuffer | ( | PZRowBuffer | Buffer | ) |
TZRowAccessor::CloneBuffer | ( | PZRowBuffer | SrcBuffer, | |
PZRowBuffer | DestBuffer | |||
) |
Clones the row buffer from source to destination row.
SrcBuffer | a pointer to source row buffer. | |
DestBuffer | a pointer to destination row buffer. |
Definition at line 825 of file ZDbcCache.pas.
TZRowAccessor::CloneFrom | ( | PZRowBuffer | SrcBuffer | ) |
TZRowAccessor::CloneTo | ( | PZRowBuffer | DestBuffer | ) |
Integer TZRowAccessor::CompareBuffers | ( | PZRowBuffer | Buffer1, | |
PZRowBuffer | Buffer2, | |||
TIntegerDynArray | ColumnIndices, | |||
TBooleanDynArray | ColumnDirs | |||
) |
Compares fields from two row buffers.
Buffer1 | the first row buffer to compare. | |
Buffer2 | the second row buffer to compare. | |
ColumnIndices | column indices to compare. | |
ColumnDirs | compare direction for each columns. |
TZRowAccessor::CopyBuffer | ( | PZRowBuffer | SrcBuffer, | |
PZRowBuffer | DestBuffer | |||
) |
Copies the row buffer from source to destination row.
SrcBuffer | a pointer to source row buffer. | |
DestBuffer | a pointer to destination row buffer. |
Definition at line 775 of file ZDbcCache.pas.
TZRowAccessor::CopyFrom | ( | PZRowBuffer | SrcBuffer | ) |
TZRowAccessor::CopyTo | ( | PZRowBuffer | DestBuffer | ) |
TZRowAccessor::Dispose | ( | ) |
TZRowAccessor::DisposeBuffer | ( | PZRowBuffer | Buffer | ) |
Disposes the specified row buffer.
Buffer | a pointer to row buffer. |
Definition at line 741 of file ZDbcCache.pas.
TStream TZRowAccessor::GetAsciiStream | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Extended TZRowAccessor::GetBigDecimal | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TStream TZRowAccessor::GetBinaryStream | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
IZBlob TZRowAccessor::GetBlob | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
IZBlob TZRowAccessor::GetBlobObject | ( | PZRowBuffer | Buffer, | |
Integer | ColumnIndex | |||
) | [private] |
Gets a stream from the specified columns.
Buffer | a row buffer. | |
ColumnIndex | an index of the column. |
Definition at line 662 of file ZDbcCache.pas.
Boolean TZRowAccessor::GetBoolean | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
ShortInt TZRowAccessor::GetByte | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TByteDynArray TZRowAccessor::GetBytes | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Boolean TZRowAccessor::GetColumnCase | ( | Integer | ColumnIndex | ) |
Pointer TZRowAccessor::GetColumnData | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Integer TZRowAccessor::GetColumnDataSize | ( | Integer | ColumnIndex | ) |
Integer TZRowAccessor::GetColumnLength | ( | Integer | ColumnIndex | ) |
string TZRowAccessor::GetColumnName | ( | Integer | ColumnIndex | ) |
Integer TZRowAccessor::GetColumnOffSet | ( | Integer | ColumnIndex | ) |
Integer TZRowAccessor::GetColumnSize | ( | TZColumnInfo | ColumnInfo | ) | [private] |
Gets a size of column with the specified type.
ColumnInfo | a column information struct. |
Definition at line 618 of file ZDbcCache.pas.
TZSQLType TZRowAccessor::GetColumnType | ( | Integer | ColumnIndex | ) |
TDateTime TZRowAccessor::GetDate | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Double TZRowAccessor::GetDouble | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Single TZRowAccessor::GetFloat | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Integer TZRowAccessor::GetInt | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
Int64 TZRowAccessor::GetLong | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
PChar TZRowAccessor::GetPChar | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
SmallInt TZRowAccessor::GetShort | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
string TZRowAccessor::GetString | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TDateTime TZRowAccessor::GetTime | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TDateTime TZRowAccessor::GetTimestamp | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TStream TZRowAccessor::GetUnicodeStream | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
WideString TZRowAccessor::GetUnicodeString | ( | Integer | ColumnIndex, | |
Boolean & | IsNull | |||
) |
TZVariant TZRowAccessor::GetValue | ( | Integer | ColumnIndex | ) |
TZRowAccessor::Init | ( | ) |
TZRowAccessor::InitBuffer | ( | PZRowBuffer | Buffer | ) |
Initializes the row buffer.
Buffer | a pointer to row buffer. |
Definition at line 756 of file ZDbcCache.pas.
Boolean TZRowAccessor::IsNull | ( | Integer | ColumnIndex | ) |
TZRowAccessor::MoveBuffer | ( | PZRowBuffer | SrcBuffer, | |
PZRowBuffer | DestBuffer | |||
) |
Moves the row buffer from source to destination row.
Source buffer is cleaned up after the operation.
SrcBuffer | a pointer to source row buffer. | |
DestBuffer | a pointer to destination row buffer. |
Definition at line 809 of file ZDbcCache.pas.
TZRowAccessor::MoveFrom | ( | PZRowBuffer | SrcBuffer | ) |
TZRowAccessor::MoveTo | ( | PZRowBuffer | DestBuffer | ) |
TZRowAccessor::SetAsciiStream | ( | Integer | ColumnIndex, | |
TStream | Value | |||
) |
TZRowAccessor::SetBigDecimal | ( | Integer | ColumnIndex, | |
Extended | Value | |||
) |
TZRowAccessor::SetBinaryStream | ( | Integer | ColumnIndex, | |
TStream | Value | |||
) |
TZRowAccessor::SetBlob | ( | Integer | ColumnIndex, | |
IZBlob | Value | |||
) |
TZRowAccessor::SetBlobObject | ( | PZRowBuffer | Buffer, | |
Integer | ColumnIndex, | |||
IZBlob | Value | |||
) | [private] |
Sets a blob into the specified columns.
Buffer | a row buffer. | |
ColumnIndex | an index of the column. | |
Value | a stream object to be set. |
Definition at line 691 of file ZDbcCache.pas.
TZRowAccessor::SetBoolean | ( | Integer | ColumnIndex, | |
Boolean | Value | |||
) |
TZRowAccessor::SetByte | ( | Integer | ColumnIndex, | |
ShortInt | Value | |||
) |
TZRowAccessor::SetBytes | ( | Integer | ColumnIndex, | |
TByteDynArray | Value | |||
) |
TZRowAccessor::SetDate | ( | Integer | ColumnIndex, | |
TDateTime | Value | |||
) |
TZRowAccessor::SetDouble | ( | Integer | ColumnIndex, | |
Double | Value | |||
) |
TZRowAccessor::SetFloat | ( | Integer | ColumnIndex, | |
Single | Value | |||
) |
TZRowAccessor::SetInt | ( | Integer | ColumnIndex, | |
Integer | Value | |||
) |
TZRowAccessor::SetLong | ( | Integer | ColumnIndex, | |
Int64 | Value | |||
) |
TZRowAccessor::SetNotNull | ( | Integer | ColumnIndex | ) |
TZRowAccessor::SetNull | ( | Integer | ColumnIndex | ) |
TZRowAccessor::SetPChar | ( | Integer | ColumnIndex, | |
PChar | Value | |||
) |
TZRowAccessor::SetShort | ( | Integer | ColumnIndex, | |
SmallInt | Value | |||
) |
TZRowAccessor::SetString | ( | Integer | ColumnIndex, | |
string | Value | |||
) |
TZRowAccessor::SetTime | ( | Integer | ColumnIndex, | |
TDateTime | Value | |||
) |
TZRowAccessor::SetTimestamp | ( | Integer | ColumnIndex, | |
TDateTime | Value | |||
) |
TZRowAccessor::SetUnicodeStream | ( | Integer | ColumnIndex, | |
TStream | Value | |||
) |
TZRowAccessor::SetUnicodeString | ( | Integer | ColumnIndex, | |
WideString | Value | |||
) |
TZRowAccessor::SetValue | ( | Integer | ColumnIndex, | |
TZVariant | Value | |||
) |
Integer TZRowAccessor::ColumnsSize |
PZRowBuffer TZRowAccessor::FBuffer [private] |
Definition at line 121 of file ZDbcCache.pas.
Integer TZRowAccessor::FColumnCount [private] |
Definition at line 114 of file ZDbcCache.pas.
Integer TZRowAccessor::FColumnsSize [private] |
Definition at line 112 of file ZDbcCache.pas.
Boolean TZRowAccessor::FHasBlobs [private] |
Definition at line 123 of file ZDbcCache.pas.
Integer TZRowAccessor::FRowSize [private] |
Definition at line 110 of file ZDbcCache.pas.
string TZRowAccessor::FTemp [private] |
Definition at line 125 of file ZDbcCache.pas.
Integer TZRowAccessor::RowSize |