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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/odbc_2result_8cpp_source.html below:

NCBI C++ ToolKit: src/dbapi/driver/odbc/result.cpp Source File

*

=

;

(prec <= 16 && dec_digits <= 0) {

}

(prec <= 23 && dec_digits <= 3) {

, m_RowCountPtr( row_count )

, m_HasMoreData(

)

(

= 0;

< (

)nof_cols; ++

) {

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+

();

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+

();

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+

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+

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) buffer_size--;

(

> buffer_size)? buffer_size : (

)

;

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+

();

list<string> extra_buffers;

* current_buffer =

.get();

(target_type) {

: nul_size =

(wchar_t);

;

: nul_size = 0;

;

((

=

(target_type, current_buffer, current_size, &more))

>= current_size && more) {

(

> current_size) {

current_size =

(

) + 2 * nul_size - current_size;

extra_buffers.emplace_back(

(current_size,

));

current_buffer =

*

(extra_buffers.back().data());

(extra_buffers.empty()) {

* orig_buffer =

.get();

extra_buffers.back().resize(

);

(

& it : extra_buffers) {

.reset(

[

+ nul_size]);

memcpy(

.get(), orig_buffer, buffer_size);

(

& it : extra_buffers) {

(nul_size > 0 && pos >= nul_size) {

(

= 1;

<= nul_size; ++

) {

(

.get()[pos -

] !=

) {

memcpy(

.get() + pos, it.data(), it.size());

memset(

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, nul_size);

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=

/

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(

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base_buf[8*1024];

(item_buf->

()) {

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( item_buf->

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*((

*) item_buf) = v ? 1 : 0;

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base_buf[8*1024];

.get(), (

) outlen);

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== 0 || buffer_size == 0) {

(is_null) *is_null=

;

next_len = 0;

next_data.append((

*)

, buffer_size);

(is_null) *is_null=

;

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(

);

(next_len >= buffer_size) {

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*)

, next_len);

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;

next_len = (

>= 0)? ((

)

) : 0;

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*)

, next_len);

(is_null) *is_null=

;

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+

();

next_data.size() /

(

))

(return_len > buffer_size) {

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& cond)

{eNameStrLen = 128};

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,

(column_type),

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();

(column_type) {

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+

();

err_message =

+

();

err_message =

+

();

virtual ~CODBC_CursorResultExpl(void)

virtual bool Fetch(void)

Fetch next row.

CODBC_CursorResultExpl(CODBC_LangCmd *cmd)

virtual int CurrentItemNo(void) const

Return current item number we can retrieve (0,1,...) Return "-1" if no more items left (or available)...

virtual I_BlobDescriptor * GetBlobDescriptor(void)

Get a descriptor for a BLOB column (for SendData).

virtual bool Fetch(void)

Fetch next row.

virtual ~CODBC_CursorResult(void)

virtual bool SkipItem(void)

Skip result item.

virtual EDB_ResType ResultType(void) const

Get type of the result.

virtual const CDBParams & GetDefineParams(void) const

const CODBC_Connection::TDbgInfo & GetDbgInfo(void) const

virtual int GetColumnNum(void) const

Return number of columns in the recordset.

CODBC_CursorResult(CODBC_LangCmd *cmd)

virtual CDB_Object * GetItem(CDB_Object *item_buff=0, I_Result::EGetItem policy=I_Result::eAppendLOB)

Get a result item (you can use either GetItem or ReadItem).

virtual size_t ReadItem(void *buffer, size_t buffer_size, bool *is_null=0)

Read a result item body (for BLOB columns, mostly).

virtual bool HasMoreResults(void) const

virtual CDB_Result * Result(void)

Get result set.

virtual bool Send(void)

Send command to the server.

virtual EDB_ResType ResultType(void) const

Get type of the result.

CODBC_ParamResult(CStatementBase &stmt, SQLSMALLINT nof_cols)

virtual ~CODBC_ParamResult(void)

virtual ~CODBC_RowResult(void)

SQLLEN *const m_RowCountPtr

int xGetData(SQLSMALLINT target_type, SQLPOINTER buffer, SQLINTEGER buffer_size, bool *more=NULL)

const CODBC_Connection::TDbgInfo & GetDbgInfo(void) const

virtual EDB_ResType ResultType(void) const

Get type of the result.

SQLHSTMT GetHandle(void) const

CDB_Object * x_LoadItem(I_Result::EGetItem policy, CDB_Object *item_buf)

bool CheckSIENoD_Binary(CDB_Stream *val)

virtual bool SkipItem(void)

Skip result item.

virtual int GetColumnNum(void) const

Return number of columns in the recordset.

ssize_t x_GetVarLenData(SQLSMALLINT target_type, TItemBuffer &buffer, SQLINTEGER buffer_size)

virtual bool Fetch(void)

Fetch next row.

virtual size_t ReadItem(void *buffer, size_t buffer_size, bool *is_null=0)

Read a result item body (for BLOB columns, mostly).

EEncoding GetClientEncoding(void) const

virtual CDB_Object * GetItem(CDB_Object *item_buf=0, I_Result::EGetItem policy=I_Result::eAppendLOB)

Get a result item (you can use either GetItem or ReadItem).

virtual I_BlobDescriptor * GetBlobDescriptor(void)

Get a descriptor for a BLOB column (for SendData).

virtual int CurrentItemNo(void) const

Return current item number we can retrieve (0,1,...) Return "-1" if no more items left (or available)...

CODBC_RowResult(CStatementBase &stmt, SQLSMALLINT nof_cols, SQLLEN *row_count)

bool CheckSIENoD_WText(CDB_Stream *val)

bool CheckSIENoD_Text(CDB_Stream *val)

CDB_Object * x_MakeItem(void)

SODBC_ColDescr * m_ColFmt

virtual ~CODBC_StatusResult(void)

virtual EDB_ResType ResultType(void) const

Get type of the result.

CODBC_StatusResult(CStatementBase &stmt)

void Add(const string &name, size_t max_size, EDB_Type data_type=eDB_UnsupportedType, EDirection direction=eOut) const

virtual const CDBParams & GetDefineParams(void) const

CCachedRowInfo m_CachedRowInfo

@ eNoOwnership

No ownership is assumed.

#define DATABASE_DRIVER_ERROR(message, err_code)

#define DATABASE_DRIVER_ERROR_EX(prev_exception, message, err_code)

virtual unsigned int GetNum(void) const =0

Get total number of columns in resultset.

EDB_ResType

EDB_ResType::

virtual EDB_ResType ResultType() const

Get type of the result.

virtual int GetColumnNum(void) const

Return number of columns in the recordset.

virtual int CurrentItemNo() const

Return current item number we can retrieve (0,1,...)

virtual bool SkipItem()

Skip result item.

virtual size_t ReadItem(void *buffer, size_t buffer_size, bool *is_null=0)

Read a result item body (for BLOB columns, mostly).

virtual CDB_Object * GetItem(CDB_Object *item_buf=0, EGetItem policy=eAppendLOB)

Get a result item (you can use either GetItem or ReadItem).

virtual I_BlobDescriptor * GetBlobDescriptor()

Get a descriptor for a BLOB column (for SendData).

virtual const CDBParams & GetDefineParams(void) const

Get meta-information about rows in resultset.

virtual bool Fetch()

Fetch next row.

virtual void AssignNULL()

const string & ConvertTo(EEncoding to_enc, EEncoding from_enc=eEncoding_Unknown) const

CDB_Numeric & Assign(unsigned int precision, unsigned int scale, const unsigned char *arr)

static CDB_Object * Create(EDB_Type type, size_t size=1)

virtual EDB_Type GetType() const =0

static const char * GetTypeName(EDB_Type db_type, bool throw_on_unknown=true)

#define NCBI_CURRENT_FUNCTION

Get current function name.

#define NCBI_CATCH_ALL_X(err_subcode, message)

uint8_t Uint1

1-byte (8-bit) unsigned integer

int16_t Int2

2-byte (16-bit) signed integer

int32_t Int4

4-byte (32-bit) signed integer

#define NCBI_RESUME_DEPRECATION_WARNINGS

#define NCBI_SUSPEND_DEPRECATION_WARNINGS

int64_t Int8

8-byte (64-bit) signed integer

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

CTime Truncate(const CTime &t)

unsigned int

A callback function used to compare two keys in a database.

Definition of all error codes used in dbapi libraries (dbapi_driver.lib and others).

double r(size_t dimension_, const Int4 *score_, const double *prob_, double theta_)

void swap_numeric_endian(unsigned int precision, unsigned char *num)

static EDB_Type s_GetDataType(SQLSMALLINT t, SQLSMALLINT dec_digits, SQLULEN prec)

static void xConvert2CDB_Numeric(CDB_Numeric *d, SQL_NUMERIC_STRUCT &s)

static const char * wrong_type

#define SQL_ATTR_APP_ROW_DESC

SQLRETURN SQLFetch(SQLHSTMT StatementHandle)

#define SQL_TYPE_TIMESTAMP

#define SQL_DESC_PRECISION

SQLRETURN SQLDescribeCol(SQLHSTMT StatementHandle, SQLUSMALLINT ColumnNumber, SQLCHAR *ColumnName, SQLSMALLINT BufferLength, SQLSMALLINT *NameLength, SQLSMALLINT *DataType, SQLUINTEGER *ColumnSize, SQLSMALLINT *DecimalDigits, SQLSMALLINT *Nullable)

#define SQL_SUCCESS_WITH_INFO

SQLRETURN SQLGetStmtAttr(SQLHSTMT StatementHandle, SQLINTEGER Attribute, SQLPOINTER Value, SQLINTEGER BufferLength, SQLINTEGER *StringLength)

SQLRETURN SQLGetData(SQLHSTMT StatementHandle, SQLUSMALLINT ColumnNumber, SQLSMALLINT TargetType, SQLPOINTER TargetValue, SQLINTEGER BufferLength, SQLINTEGER *StrLen_or_Ind)

SQLRETURN SQLColAttribute(SQLHSTMT StatementHandle, SQLUSMALLINT ColumnNumber, SQLUSMALLINT FieldIdentifier, SQLPOINTER CharacterAttribute, SQLSMALLINT BufferLength, SQLSMALLINT *StringLength, SQLINTEGER *NumericAttribute)

SQLRETURN SQLSetDescField(SQLHDESC DescriptorHandle, SQLSMALLINT RecNumber, SQLSMALLINT FieldIdentifier, SQLPOINTER Value, SQLINTEGER BufferLength)

#define SQL_C_TYPE_TIMESTAMP

#define SQL_LONGVARBINARY

#define SQL_DESC_BASE_COLUMN_NAME

#define SQL_DESC_BASE_TABLE_NAME

signed short int SQLSMALLINT

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