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v2.1

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SQLSetConnectAttr

Function

SQLSetConnectAttr is used to set connection attributes.

Prototype

SQLRETURN SQLSetConnectAttr(SQLHDBC       ConnectionHandle
                            SQLINTEGER    Attribute,
                            SQLPOINTER    ValuePtr,
                            SQLINTEGER    StringLength);

Parameter

Table 1 SQLSetConnectAttr parameters

Keyword Parameter Description
ConnectionHandle Connection handle.
Attribute Attribute to set.
ValuePtr Pointer to the Attribute value. ValuePtr depends on the Attribute value, and can be a 32-bit unsigned integer value or a null-terminated string. If the ValuePtr parameter is a driver-specific value, it may be a signed integer.
StringLength If ValuePtr points to a string or a binary buffer, StringLength is the length of *ValuePtr. If ValuePtr points to an integer, StringLength is ignored.

Return Value

  • SQL_SUCCESS indicates that the call succeeded.
  • SQL_SUCCESS_WITH_INFO indicates that some warning information is displayed.
  • SQL_ERROR indicates major errors, such as memory allocation and connection failures.
  • SQL_INVALID_HANDLE indicates that invalid handles were called. This value may also be returned by other APIs.

Precautions

If SQLSetConnectAttr returns SQL_ERROR or SQL_SUCCESS_WITH_INFO, the application can call SQLGetDiagRec, with HandleType and Handle set to SQL_HANDLE_DBC and ConnectionHandle, respectively, to obtain the SQLSTATE value. The SQLSTATE value provides the detailed function calling information.

Example

See ODBC - Examples.

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