FNC_GetStructuredAttributeInfoの使用例 - Teradata Database - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL外部ルーチン プログラミング

Product
Teradata Database
Teradata Vantage NewSQL Engine
Release Number
16.20
Published
2019年3月
Language
日本語
Last Update
2019-10-29
dita:mapPath
ja-JP/uhh1512082756414.ditamap
dita:ditavalPath
ja-JP/uhh1512082756414.ditaval
dita:id
B035-1147
Product Category
Software
Teradata Vantage
void getMap( UDT_HANDLE *geometriesUdt,
             INTEGER    *result,
             char        sqlstate[6])
{
    attribute_info_t attributeInfo;
    int nullIndicator;
    int length;
    int bufSize = 0;
    void * tmpBuf = 0;

    /* Get the attribute information for the first attribute. */
    FNC_GetStructuredAttributeInfo(*geometriesUdt, 0, 
         sizeof(attribute_info_t), &attributeInfo); 
    /* Get the value of the first attribute. */
    bufSize = attributeInfo.max_length;
    tmpBuf = FNC_malloc(bufSize);
    FNC_GetStructuredAttributeByNdx(*geometriesUdt, 0, tmpBuf, bufSize,
        &nullIndicator, &length);

    ...
}