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SQLSetConnectAttr

Updated at: Jul 15, 2020 GMT+08:00

Function

SQLSetConnectAttr sets connection attributes.

Prototype

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

Parameter

Table 1 SQLSetConnectAttr parameters

Keyword

Description

StatementtHandle

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 ValuePtr parameter is driver-specific value, it may be signed integer.

StringLength

If ValuePtr points to a string or a binary buffer, this parameter should be the length of *ValuePtr. If ValuePtr points to an integer, StringLength is ignored.

Return Values

  • SQL_SUCCESS indicates that the call succeeded.
  • SQL_SUCCESS_WITH_INFO indicates 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. Values returned by other APIs are similar to the preceding values.

Precautions

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

Examples

See Examples.

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