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/*
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* Copyright (C) 2015 Christian Ehringfeld <c.ehringfeld@t-online.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SCHEMA_H
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#define SCHEMA_H
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#include <QStringList>
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#include <QHash>
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#include <QSharedPointer>
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#include <QSqlField>
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#include "tableschema.h"
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#include "querybuilder.h"
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namespace CuteEntityManager {
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class Database;
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class Schema {
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public:
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Schema(QSharedPointer<Database> database, QSharedPointer<QueryBuilder> builder);
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virtual ~Schema();
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//http://doc.qt.io/qt-5/sql-types.html
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const QString TYPE_PK = "pk";
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const QString TYPE_BIGPK = "bigpk";
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const QString TYPE_STRING = "string";
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const QString TYPE_TEXT = "text";
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const QString TYPE_SMALLINT = "smallint";
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const QString TYPE_INTEGER = "integer";
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const QString TYPE_BIGINT = "bigint";
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const QString TYPE_FLOAT = "float";
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const QString TYPE_DOUBLE = "double";
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const QString TYPE_DECIMAL = "decimal";
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const QString TYPE_DATETIME = "datetime";
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const QString TYPE_TIMESTAMP = "timestamp";
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const QString TYPE_TIME = "time";
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const QString TYPE_DATE = "date";
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const QString TYPE_CHAR = "char";
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const QString TYPE_BINARY = "binary";
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const QString TYPE_BOOLEAN = "boolean";
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const QString TYPE_MONEY = "money";
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QString primaryKey(int length = 0) const;
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QString bigPrimaryKey(int length = 0) const;
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QString string(int length = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString text(bool notNull = false, QString defaultValue = "",
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bool unique = false, QString checkConstraint = "") const;
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QString smallInteger(int length = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString integer(int length = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString bigInteger(int length = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString floatColumn(int precision = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString doubleColumn(int precision = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString decimal(int precision = 0, int scale = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString dateTime(int precision = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString timestamp(int precision = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString time(int precision = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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QString date( bool notNull = false, QString defaultValue = "") const;
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QString binary(int length = 0, bool notNull = false, bool unique = false,
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QString checkConstraint = "") const;
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QString boolean(QString defaultValue = "", bool notNull = false) const;
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QString money(int precision = 0, int scale = 0, bool notNull = false,
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QString defaultValue = "", bool unique = false,
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QString checkConstraint = "") const;
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virtual QSharedPointer<QHash<QString, QString> >getTypeMap() = 0;
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virtual QString quoteSimpleTableName(QString name);
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virtual QString quoteTableName(QString name);
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virtual QString quoteColumnName(QString name);
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virtual QString quoteSimpleColumnName(QString name);
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virtual QHash<QString, QSharedPointer<TableSchema>> getTableSchemas(
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QString schema = "",
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bool refresh = false);
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virtual QSharedPointer<TableSchema> getTableSchema(QString name,
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bool refresh = false);
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virtual QStringList getTableNames(QString schema = "");
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virtual QVariant getLastInsertID();
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virtual void refresh();
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virtual QString getRawTable(QString name);
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virtual bool containsTable(QString tblname);
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virtual bool containsColumn(QString tblName, QString colName);
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QHash<QString, QSharedPointer<TableSchema> > getTables();
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void setTables(const QHash<QString, QSharedPointer<TableSchema> > &value);
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QSharedPointer<Database> getDatabase() const;
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void setDatabase(const QSharedPointer<Database> &value);
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QSharedPointer<QueryBuilder> getQueryBuilder() const;
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QSharedPointer<QHash<QString, QString> > getAbstractTypeMap() const;
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void setAbstractTypeMap(const QSharedPointer<QHash<QString, QString> > &value);
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protected:
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virtual QString buildColumnSchema(QString type, QString length,
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bool notNull = false, QString defaultValue = "",
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bool unique = false, QString checkConstraint = "") const;
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virtual QString buildLengthString(QString length) const;
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virtual QString buildNotNullString(bool notNull) const;
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virtual QString buildUniqueString(bool unique) const;
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virtual QString buildDefaultString(QString def) const;
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virtual QString buildCheckString(QString check) const;
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virtual QString lengthToString(int length) const;
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virtual QString combineScaleAndPrecision(int precision, int scale) const;
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virtual QStringList findTableNames(QString schema = "") = 0;
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virtual QHash<QString, QStringList> findUniqueIndexes(const
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QSharedPointer<TableSchema>
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&table) = 0;
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virtual void findConstraints(const QSharedPointer<TableSchema> &ts) = 0;
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virtual bool findColumns(const QSharedPointer<TableSchema> &ts);
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virtual QSharedPointer<TableSchema> loadTableSchema(QString name) = 0;
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virtual void initAbstractDatabaseTypes();
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QSharedPointer<Database> database;
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QSharedPointer<QHash<QString, QString>> typeMap;
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QSharedPointer<QHash<QString, QString>> abstractTypeMap;
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QHash<QString, QSharedPointer<TableSchema>> tables;
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QSharedPointer<QueryBuilder> queryBuilder;
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};
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}
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#endif // SCHEMA_H
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