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#ifndef SQLITESELECT_H
#define SQLITESELECT_H
#include "sqlitequery.h"
#include "sqliteexpr.h"
#include "sqlitelimit.h"
#include "sqliteorderby.h"
#include <QList>
class SqliteWith;
class SqliteWindowDefinition;
/**
* @addtogroup sqlite_statement
* @brief The SqliteSelect class
*/
class API_EXPORT SqliteSelect : public SqliteQuery
{
public:
enum class CompoundOperator
{
UNION,
UNION_ALL,
INTERSECT,
EXCEPT,
null
};
class API_EXPORT Core : public SqliteStatement
{
public:
class API_EXPORT ResultColumn : public SqliteStatement
{
public:
ResultColumn();
ResultColumn(const ResultColumn& other);
ResultColumn(SqliteExpr* expr, bool asKw, const QString& alias);
ResultColumn(bool star, const QString& table);
explicit ResultColumn(bool star);
bool isRowId();
SqliteStatement* clone();
SqliteExpr* expr = nullptr;
bool star = false;
bool asKw = false;
QString alias = QString();
QString table = QString();
protected:
QStringList getTablesInStatement();
TokenList getTableTokensInStatement();
QList<FullObject> getFullObjectsInStatement();
TokenList rebuildTokensFromContents();
};
class JoinSource; // forward declaration
class API_EXPORT SingleSource : public SqliteStatement
{
public:
SingleSource();
SingleSource(const SingleSource& other);
SingleSource(const QString& name1, const QString& name2,
bool asKw, const QString& alias, bool notIndexedKw, const QString& indexedBy);
SingleSource(const QString& name1, const QString& name2,
bool asKw, const QString& alias, const QList<SqliteExpr*>& exprList);
SingleSource(SqliteSelect* select, bool asKw, const QString& alias);
SingleSource(JoinSource* src, bool asKw, const QString& alias);
SqliteStatement* clone();
QString database = QString();
QString table = QString();
QString alias = QString();
QString funcName = QString();
QList<SqliteExpr*> funcParams;
bool asKw = false;
bool indexedByKw = false;
bool notIndexedKw = false;
QString indexedBy = QString();
SqliteSelect* select = nullptr;
JoinSource* joinSource = nullptr;
protected:
QStringList getTablesInStatement();
QStringList getDatabasesInStatement();
TokenList getTableTokensInStatement();
TokenList getDatabaseTokensInStatement();
QList<FullObject> getFullObjectsInStatement();
TokenList rebuildTokensFromContents();
};
class API_EXPORT JoinOp : public SqliteStatement
{
public:
JoinOp();
JoinOp(const JoinOp& other);
explicit JoinOp(bool comma);
explicit JoinOp(const QString& joinToken);
JoinOp(const QString& joinToken, const QString& word1);
JoinOp(const QString& joinToken, const QString& word1, const QString& word2);
SqliteStatement* clone();
private:
void init(const QString& str);
public:
bool comma = false;
bool joinKw = false;
bool naturalKw = false;
bool leftKw = false;
bool outerKw = false;
bool innerKw = false;
bool crossKw = false;
bool rightKw = false;
bool fullKw = false;
QString customKw1 = QString();
QString customKw2 = QString();
QString customKw3 = QString();
protected:
TokenList rebuildTokensFromContents();
};
class API_EXPORT JoinConstraint : public SqliteStatement
{
public:
JoinConstraint();
JoinConstraint(const JoinConstraint& other);
explicit JoinConstraint(SqliteExpr* expr);
explicit JoinConstraint(const QList<QString>& strList);
SqliteStatement* clone();
SqliteExpr* expr = nullptr;
QList<QString> columnNames;
protected:
QStringList getColumnsInStatement();
TokenList getColumnTokensInStatement();
TokenList rebuildTokensFromContents();
};
class API_EXPORT JoinSourceOther : public SqliteStatement
{
public:
JoinSourceOther();
JoinSourceOther(const JoinSourceOther& other);
JoinSourceOther(SqliteSelect::Core::JoinOp *op,
SqliteSelect::Core::SingleSource* src,
SqliteSelect::Core::JoinConstraint* constr);
SqliteStatement* clone();
JoinOp* joinOp = nullptr;
SingleSource* singleSource = nullptr;
JoinConstraint* joinConstraint = nullptr;
protected:
TokenList rebuildTokensFromContents();
};
class API_EXPORT JoinSource : public SqliteStatement
{
public:
JoinSource();
JoinSource(const JoinSource& other);
JoinSource(SingleSource* singleSource, const QList<JoinSourceOther*>& list);
SqliteStatement* clone();
SingleSource* singleSource = nullptr;
QList<JoinSourceOther*> otherSources;
protected:
TokenList rebuildTokensFromContents();
};
Core();
Core(const Core& other);
Core(int distinct, const QList<ResultColumn*>& resCols, JoinSource* src, SqliteExpr* where,
const QList<SqliteExpr*>& groupBy, SqliteExpr* having,
const QList<SqliteOrderBy*>& orderBy, SqliteLimit* limit);
Core(int distinct, const QList<ResultColumn*>& resCols, JoinSource* src, SqliteExpr* where,
const QList<SqliteExpr*>& groupBy, SqliteExpr* having, const QList<SqliteWindowDefinition*> windows,
const QList<SqliteOrderBy*>& orderBy, SqliteLimit* limit);
SqliteStatement* clone();
CompoundOperator compoundOp = CompoundOperator::null;
QList<ResultColumn*> resultColumns;
JoinSource* from = nullptr;
bool distinctKw = false;
bool allKw = false;
SqliteExpr* where = nullptr;
SqliteExpr* having = nullptr;
QList<SqliteExpr*> groupBy;
QList<SqliteOrderBy*> orderBy;
QList<SqliteWindowDefinition*> windows;
SqliteLimit* limit = nullptr;
bool valuesMode = false;
protected:
TokenList rebuildTokensFromContents();
};
SqliteSelect();
SqliteSelect(const SqliteSelect& other);
static SqliteSelect* append(SqliteSelect::Core* core);
static SqliteSelect* append(SqliteSelect* select, CompoundOperator op, SqliteSelect::Core* core);
static SqliteSelect* append(const QList<QList<SqliteExpr*>>& values);
static SqliteSelect* append(SqliteSelect* select, SqliteSelect::CompoundOperator op, const QList<QList<SqliteExpr*>>& values);
SqliteStatement* clone();
QString compoundOperator(CompoundOperator op);
CompoundOperator compoundOperator(const QString& op);
void reset();
void setWith(SqliteWith* with);
QList<Core*> coreSelects;
SqliteWith* with = nullptr;
protected:
TokenList rebuildTokensFromContents();
};
typedef QSharedPointer<SqliteSelect> SqliteSelectPtr;
typedef SqliteSelect::Core::ResultColumn SqliteResultColumn;
#endif // SQLITESELECT_H
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