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#include "queryexecutorstep.h"
#include "db/queryexecutor.h"
QueryExecutorStep::~QueryExecutorStep()
{
}
void QueryExecutorStep::init(QueryExecutor *queryExecutor, QueryExecutor::Context *context)
{
this->queryExecutor = queryExecutor;
this->context = context;
db = queryExecutor->getDb();
init();
}
void QueryExecutorStep::updateQueries()
{
QString newQuery;
for (SqliteQueryPtr& query : context->parsedQueries)
{
newQuery += query->detokenize();
newQuery += "\n";
}
context->processedQuery = newQuery;
}
QString QueryExecutorStep::getNextColName()
{
return "ResCol_" + QString::number(context->colNameSeq++);
}
SqliteSelectPtr QueryExecutorStep::getSelect()
{
SqliteQueryPtr lastQuery = context->parsedQueries.last();
if (lastQuery->queryType != SqliteQueryType::Select)
return SqliteSelectPtr();
return lastQuery.dynamicCast<SqliteSelect>();
}
void QueryExecutorStep::init()
{
}
TokenList QueryExecutorStep::wrapSelect(const TokenList& selectTokens, const TokenList& resultColumnsTokens)
{
TokenList oldSelectTokens = selectTokens;
oldSelectTokens.trimRight(Token::OPERATOR, ";");
TokenList newTokens;
newTokens << TokenPtr::create(Token::KEYWORD, "SELECT")
<< TokenPtr::create(Token::SPACE, " ");
newTokens += resultColumnsTokens;
newTokens << TokenPtr::create(Token::SPACE, " ")
<< TokenPtr::create(Token::KEYWORD, "FROM")
<< TokenPtr::create(Token::SPACE, " ")
<< TokenPtr::create(Token::PAR_LEFT, "(");
newTokens += oldSelectTokens;
newTokens << TokenPtr::create(Token::PAR_RIGHT, ")");
return newTokens;
}
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