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#include "sqlitelimit.h"
#include "sqliteexpr.h"
#include "parser/statementtokenbuilder.h"
#include "common/global.h"
SqliteLimit::SqliteLimit()
{
}
SqliteLimit::SqliteLimit(const SqliteLimit& other) :
SqliteStatement(other)
{
DEEP_COPY_FIELD(SqliteExpr, limit);
DEEP_COPY_FIELD(SqliteExpr, offset);
}
SqliteLimit::SqliteLimit(SqliteExpr *expr)
{
limit = expr;
if (expr)
expr->setParent(this);
}
SqliteLimit::SqliteLimit(SqliteExpr *expr1, SqliteExpr *expr2, bool offsetKeyword)
{
limit = expr1;
offset = expr2;
offsetKw = offsetKeyword;
if (expr1)
expr1->setParent(this);
if (expr2)
expr2->setParent(this);
}
SqliteLimit::SqliteLimit(const QVariant &positiveInt)
{
limit = new SqliteExpr();
limit->initLiteral(positiveInt);
limit->setParent(this);
}
SqliteLimit::SqliteLimit(const QVariant &positiveInt1, const QVariant &positiveInt2)
{
limit = new SqliteExpr();
limit->initLiteral(positiveInt1);
limit->setParent(this);
offset = new SqliteExpr();
offset->initLiteral(positiveInt2);
offset->setParent(this);
}
SqliteLimit::~SqliteLimit()
{
}
SqliteStatement*SqliteLimit::clone()
{
return new SqliteLimit(*this);
}
TokenList SqliteLimit::rebuildTokensFromContents()
{
StatementTokenBuilder builder;
builder.withKeyword("LIMIT").withStatement(limit);
if (offset)
{
if (offsetKw)
builder.withSpace().withKeyword("OFFSET");
else
builder.withOperator(",");
builder.withStatement(offset);
}
return builder.build();
}
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