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#ifndef SQLQUERYMODELCOLUMN_H
#define SQLQUERYMODELCOLUMN_H
#include "db/queryexecutor.h"
#include "parser/ast/sqlitecreatetable.h"
#include "datatype.h"
#include "common/global.h"
#include "guiSQLiteStudio_global.h"
class Icon;
class GUI_API_EXPORT SqlQueryModelColumn
{
public:
/**
* @brief The EditionForbiddenReason enum
* Order of this enum is important, because when user requests item edition,
* then reason for edition forbidden (if any) is taken as specified order.
* The earlier item is in the enum, the more significant it is and user
* will be notified with the more significant reason before any other.
*/
enum class EditionForbiddenReason
{
SYSTEM_TABLE,
NOT_A_SELECT,
COMPOUND_SELECT,
GROUPED_RESULTS,
EXPRESSION,
SMART_EXECUTION_FAILED,
DISTINCT_RESULTS,
RESULT_INLINE_SUBSELECT,
COMMON_TABLE_EXPRESSION,
GENERATED_COLUMN,
VIEW_NOT_EXPANDED
};
struct Constraint
{
enum class Type
{
PRIMARY_KEY,
NOT_NULL,
UNIQUE,
CHECK,
DEFAULT,
COLLATE,
GENERATED,
FOREIGN_KEY,
null
};
enum class Scope
{
TABLE,
COLUMN
};
virtual ~Constraint() {}
static Constraint* create(const QString& column, SqliteCreateTable::Constraint* tableConstraint);
static Constraint* create(const QString& column, SqliteCreateTable::ConstraintPtr tableConstraint);
static Constraint* create(SqliteCreateTable::Column::ConstraintPtr columnConstraint);
static Constraint* create(SqliteCreateTable::Column::Constraint* columnConstraint);
virtual QString getTypeString() const = 0;
virtual QString getDetails() const = 0;
virtual Icon* getIcon() const = 0;
Type type;
Scope scope;
QString definition;
};
struct ConstraintPk : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
bool autoIncrement;
QStringList multiColumns;
SqliteConflictAlgo onConflict = SqliteConflictAlgo::null;
};
struct ConstraintFk : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
QString foreignTable;
QString foreignColumn;
};
struct ConstraintUnique : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
SqliteConflictAlgo onConflict = SqliteConflictAlgo::null;
};
struct ConstraintNotNull : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
SqliteConflictAlgo onConflict = SqliteConflictAlgo::null;
};
struct ConstraintDefault : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
QString defaultValue;
};
struct ConstraintCheck : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
QString condition;
SqliteConflictAlgo onConflict = SqliteConflictAlgo::null;
};
struct ConstraintCollate : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
QString collationName;
};
struct ConstraintGenerated : public Constraint
{
QString getTypeString() const;
QString getDetails() const;
Icon* getIcon() const;
QString expr;
SqliteCreateTable::Column::Constraint::GeneratedType generatedType = SqliteCreateTable::Column::Constraint::GeneratedType::null;
};
SqlQueryModelColumn(const QueryExecutor::ResultColumnPtr& resultColumn);
virtual ~SqlQueryModelColumn();
static void initMeta();
static EditionForbiddenReason convert(QueryExecutor::EditionForbiddenReason reason);
static EditionForbiddenReason convert(QueryExecutor::ColumnEditionForbiddenReason reason);
static QString resolveMessage(EditionForbiddenReason reason);
void postProcessConstraints();
bool isNumeric();
bool isNull();
bool canEdit();
QString getEditionForbiddenReason();
bool isPk() const;
bool isRowIdPk() const;
bool isAutoIncr() const;
bool isNotNull() const;
bool isUnique() const;
bool isFk() const;
bool isDefault() const;
bool isCollate() const;
bool isGenerated() const;
QString getAliasedName() const;
QList<ConstraintFk*> getFkConstraints() const;
ConstraintDefault* getDefaultConstraint() const;
AliasedTable getAliasedTable() const;
QString displayName;
QString column;
QString alias;
QString table;
QString database;
QString tableAlias;
DataType dataType;
QSet<EditionForbiddenReason> editionForbiddenReason;
QList<Constraint*> constraints;
QString queryExecutorAlias;
private:
template <class T>
QList<T> getConstraints() const;
};
typedef QSharedPointer<SqlQueryModelColumn> SqlQueryModelColumnPtr;
int qHash(SqlQueryModelColumn::EditionForbiddenReason reason);
QDataStream &operator<<(QDataStream &out, const SqlQueryModelColumn* col);
QDataStream &operator>>(QDataStream &in, SqlQueryModelColumn*& col);
Q_DECLARE_METATYPE(SqlQueryModelColumn*)
#endif // SQLQUERYMODELCOLUMN_H
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