本文整理汇总了C++中NAString::toLower方法的典型用法代码示例。如果您正苦于以下问题：C++ NAString::toLower方法的具体用法？C++ NAString::toLower怎么用？C++ NAString::toLower使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NAString的用法示例。
在下文中一共展示了NAString::toLower方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: initializeISPCaches
NABoolean ISPIterator::initializeISPCaches(SP_ROW_DATA inputData, SP_EXTRACT_FUNCPTR eFunc, SP_ERROR_STRUCT* error,
const NAArray<CmpContextInfo*> & ctxs, //input
NAString & contextName,
Int32 & index //output, set initial index in arrary of CmpContextInfos
)
{
//extract ISP input, find QueryCache belonging to specified context
//and use it for fetch later
Lng32 maxSize = 16;
char receivingField[maxSize+1];
if (eFunc (0, inputData, (Lng32)maxSize, receivingField, FALSE) == SP_ERROR_EXTRACT_DATA)
{
error->error = arkcmpErrorISPFieldDef;
return FALSE;
}
//choose context
// 1. Search ctxInfos_ for all context with specified name('USER', 'META', 'USTATS'),
// 'ALL' option will fetch all context in ctxInfos_, index is set to 0, qcache is always NULL,
// 2. For remote arkcmp, which has 0 context in ctxInfos_, index is always -1,
NAString qCntxt = receivingField;
qCntxt.toLower();
//the receivingField is of pattern xxx$trafodion.yyy,
//where xxx is the desired input string.
Int32 dollarIdx = qCntxt.index("$");
CMPASSERT(dollarIdx > 0);
//find the specified context
if(ctxs.entries() == 0){
//for remote compiler
if( (dollarIdx==3 && strncmp(qCntxt.data(), "all", dollarIdx)==0)
||(dollarIdx==4 && strncmp(qCntxt.data(), "user", dollarIdx)==0) )
index = -1;
}
else
{
if(dollarIdx==3 && strncmp(qCntxt.data(), "all", dollarIdx)==0)
{
contextName = "ALL";
index = 0;
}
else if(dollarIdx==4 && strncmp(qCntxt.data(), "user", dollarIdx)==0)
{
contextName = "NONE";
index = 0;
}
else if(dollarIdx==4 && strncmp(qCntxt.data(), "meta", dollarIdx)==0)
{
contextName = "META";
index = 0;
}
else if(dollarIdx==6 && strncmp(qCntxt.data(), "ustats", dollarIdx)==0)
{
contextName = "USTATS";
index = 0;
}
}
return TRUE;
}