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root/src/querybuilder.h @ 8332a42a
| c22391b2 | Christian Ehringfeld | /*
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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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| 14f9beed | Christian Ehringfeld | #ifndef QUERYBUILDER_H
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#define QUERYBUILDER_H
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| b0bf458e | Christian Ehringfeld | #include <QString>
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#include <QHash>
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#include <QSharedPointer>
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| a47954c0 | Christian Ehringfeld | #include <QPointer>
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| dc6b13b4 | Christian Ehringfeld | #include <QSqlQuery>
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| f5087482 | Christian Ehringfeld | #include <QStringList>
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| 99140fe9 | Christian Ehringfeld | #include <QMetaProperty>
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| 5c53ac99 | Christian Ehringfeld | #include "relation.h"
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| 506067a2 | Christian Ehringfeld | #include "expression.h"
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| 82442988 | Christian Ehringfeld | #include "query.h"
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| b0bf458e | Christian Ehringfeld | namespace CuteEntityManager {
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class Schema;
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class Entity;
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class Database;
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| 3938a37e | Christian Ehringfeld | class Logger;
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| ce6994c4 | Christian Ehringfeld | enum DbForeignKeyCascade {
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RESTRICT,
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CASCADE,
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NO_ACTION,
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SET_DEFAULT,
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SET_NULL,
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};
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| b0bf458e | Christian Ehringfeld | class QueryBuilder {
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| 86e5c917 | Christian Ehringfeld | /**
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* EntityManager is a friend class, cause we want a light public api.
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*/
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friend class EntityManager;
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| 3160499c | Christian Ehringfeld | friend class QueryInterpreter;
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| d27d606d | Christian Ehringfeld | friend class AttributeResolver;
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| b0bf458e | Christian Ehringfeld | public:
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| 57d6da31 | Christian Ehringfeld | QueryBuilder(Schema *schema, QSharedPointer<Database> &database);
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| b0bf458e | Christian Ehringfeld | virtual ~QueryBuilder();
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| b7446f4c | Christian Ehringfeld | virtual bool createTable(const QSharedPointer<Entity> &entity,
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bool createRelationTables = true) const;
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| 2e43da3f | Christian Ehringfeld | virtual bool createIndices(const QSharedPointer<Entity> &entity) const;
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virtual QString createTable(const QString &tableName,
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| 47f9301a | Christian Ehringfeld | const QHash<QString, QString> &tableDefinition) const;
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| 2fedfe76 | Christian Ehringfeld | virtual bool createRelationTables(const QSharedPointer<Entity> &entity) const;
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| e0e1ead8 | Christian Ehringfeld | virtual QString createTableQuery(const QString &tableName,
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const QHash<QString, QString> &tableDefinition) const;
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| d99101ae | Christian Ehringfeld | virtual QString renameTable(QString tableName, QString newName) const;
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virtual QString dropTable(QString tableName) const;
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virtual QString truncateTable(QString tableName) const;
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| e0e1ead8 | Christian Ehringfeld | virtual QString addColumn(QString tableName, QString columnName,
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QString columnType) const;
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| b0bf458e | Christian Ehringfeld | virtual QString dropColumn(QString tableName, QString columName)const;
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| e0e1ead8 | Christian Ehringfeld | virtual QString renameColumn(QString tableName, QString oldName,
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QString newName) const;
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virtual QString alterColumn(QString tableName, QString columnName,
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QString newType)const;
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virtual QString addPrimaryKey(QString name, QString tableName,
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QStringList columns)const;
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| b0bf458e | Christian Ehringfeld | virtual QString dropPrimaryKey(QString name, QString tableName) const;
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| e0e1ead8 | Christian Ehringfeld | virtual QString addForeignKey(QString name, QString tableName,
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QStringList columns,
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QString refTableName,
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QStringList refColumns, QString deleteConstraint,
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QString updateConstraint) const;
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| ce6994c4 | Christian Ehringfeld | virtual QString getForeignKeyCascade(DbForeignKeyCascade cascade) const;
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| b0bf458e | Christian Ehringfeld | virtual QString dropForeignKey(QString name, QString tableName) const;
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| e0e1ead8 | Christian Ehringfeld | virtual QString createIndex(QString name, QString tableName,
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QStringList columns,
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bool unique)const;
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| b0bf458e | Christian Ehringfeld | virtual QString dropIndex(QString name, QString tableName)const;
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| 2e43da3f | Christian Ehringfeld | virtual QString createFkSuperClass(const Entity *e) const;
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| 47f9301a | Christian Ehringfeld | virtual QStringList relationFks(const QSharedPointer<Entity> &entity) const;
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| b0e92bc6 | Christian Ehringfeld | virtual bool supportsForeignKeys() const;
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| 47f9301a | Christian Ehringfeld | ||
virtual QString createForeignKeyManyToMany(const QString &tableName,
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const QSharedPointer<Entity> &entity, const QString &update,
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const QString &remove) const;
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| ba800d6d | Christian Ehringfeld | ||
| b0bf458e | Christian Ehringfeld | QSharedPointer<Database> getDatabase() const;
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void setDatabase(const QSharedPointer<Database> &value);
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| e0e1ead8 | Christian Ehringfeld | QHash<QString, QHash<QString, QString>> generateRelationTables(
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const QSharedPointer<Entity> &entity)
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const;
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QHash<QString, QString> generateTableDefinition(const QSharedPointer<Entity>
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&entity)
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const;
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| 86e5c917 | Christian Ehringfeld | QSqlQuery getQuery() const;
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| 6dc7d533 | Christian Ehringfeld | QString transformTypeToAbstractDbType(QString typeName) const;
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QString transformAbstractTypeToRealDbType(QString typeName) const;
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| a47954c0 | Christian Ehringfeld | QString getColumnType(const QString &type) const;
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| ea6e88f6 | Christian Ehringfeld | virtual QString placeHolder(QString key) const;
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| 94bf67c7 | Christian Ehringfeld | void bindValues(const QHash<QString, QVariant> &h, QSqlQuery &q,
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| c9f21778 | Christian Ehringfeld | bool ignoreID = false, const QString &primaryKey = QStringLiteral("id")) const;
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| 94bf67c7 | Christian Ehringfeld | void bindValue(const QString &key, const QVariant &value, QSqlQuery &q) const;
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| 358e1e04 | Christian Ehringfeld | /**
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* @brief where
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* @param c if value is a single value than c is the column name if value is a QHash<QString, QVariant> than its a condition
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* @param value
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* @return
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*/
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Expression where(QString c, QVariant value);
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| 274b34e4 | Christian Ehringfeld | Join joinClasses(const QSharedPointer<Entity> &mainEntity,
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const QSharedPointer<Entity> &foreignEntity,
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const QString &joinType = QStringLiteral("LEFT JOIN"))const;
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| c9f21778 | Christian Ehringfeld | QList<Join> joinBaseClasses(const QSharedPointer<Entity> &entity);
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| 584721e5 | Christian Ehringfeld | /**
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* @brief where
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* @param query
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* @param conditions
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* @param conjunction its AND or OR
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*/
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| 506067a2 | Christian Ehringfeld | Expression where(QHash<QString, QVariant> conditions,
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| 274b34e4 | Christian Ehringfeld | QString conjunction = QStringLiteral("AND")) const;
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| dbf92b46 | Christian Ehringfeld | Expression equal(QString &key, QVariant &value);
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Expression notEqual(QString &key, QVariant &value);
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| 86e5c917 | Christian Ehringfeld | //void where(Query &query,QHash<QString, QList<QVariant>> conditions, QString concat="AND");
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| 506067a2 | Christian Ehringfeld | Expression between(QString column, QVariant firstValue,
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| 274b34e4 | Christian Ehringfeld | QVariant secondValue) const;
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| 506067a2 | Christian Ehringfeld | Expression notBetween(QString column, QVariant firstValue,
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| 274b34e4 | Christian Ehringfeld | QVariant secondValue) const;
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Expression in(QString column, QList<QVariant> values) const;
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Expression notIn(QString column, QList<QVariant> values) const;
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Expression notOperator(QString op, QString column,
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QVariant value) const;
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| 506067a2 | Christian Ehringfeld | Expression orOperator(QHash<QString, QVariant> conditions,
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| 274b34e4 | Christian Ehringfeld | bool like = false) const;
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Expression orOperator() const;
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Expression norOperator() const;
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Expression andOperator(QHash<QString, QVariant> conditions) const;
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Expression andOperator() const;
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Expression nandOperator() const;
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| 584721e5 | Christian Ehringfeld | /**
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* @brief arbitraryOperator
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* @param query
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* @param op can be = | != | <> | > | < | >= | <= | !< | !> @see http://www.tutorialspoint.com/sql/sql-operators.htm comparison operators
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* @param column
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* @param value
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*/
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| 506067a2 | Christian Ehringfeld | Expression arbitraryOperator(QString op, QString column,
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| 274b34e4 | Christian Ehringfeld | QVariant value) const;
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Expression isNull(QString column) const;
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Expression isNotNull(QString column) const;
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| 5d93390e | Christian Ehringfeld | ||
| 274b34e4 | Christian Ehringfeld | Expression plainOr() const; //adds a simple OR to condition
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Expression plainNor() const;
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Expression plainAnd() const; //add a simple AND to condition
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Expression plainNand() const;
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| 5d93390e | Christian Ehringfeld | /**
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* Generates 'foo' LIKE "%bar%"
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* @brief like
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* @param column
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* @param value
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*/
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| 506067a2 | Christian Ehringfeld | Expression like(QString column, QVariant value,
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| 67aa0d3f | Christian Ehringfeld | JokerPosition jp = JokerPosition::BOTH, QChar wildcard = '%');
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| 5d93390e | Christian Ehringfeld | /**
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* @brief like
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* @param condition
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* @param concat
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*/
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| 506067a2 | Christian Ehringfeld | Expression like(QHash<QString, QVariant> conditions,
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| c9f21778 | Christian Ehringfeld | QString conjunction = QStringLiteral("AND"),
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| 67aa0d3f | Christian Ehringfeld | JokerPosition jp = JokerPosition::BOTH, QChar wildcard = '%');
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| b0bf458e | Christian Ehringfeld | ||
protected:
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| 8275b945 | Christian Ehringfeld | class ClassAttributes {
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| 99140fe9 | Christian Ehringfeld | public:
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ClassAttributes() { }
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explicit ClassAttributes(const QString name,
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const QHash<QString, QVariant> attributes, QString pk = "id");
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| 8275b945 | Christian Ehringfeld | QString getName() const;
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void setName(const QString &value);
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QHash<QString, QVariant> getAttributes() const;
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void setAttributes(const QHash<QString, QVariant> &value);
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| 99140fe9 | Christian Ehringfeld | QString getPk() const;
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void setPk(const QString &value);
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private:
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| 8275b945 | Christian Ehringfeld | QString name;
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| 99140fe9 | Christian Ehringfeld | QString pk;
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| 8275b945 | Christian Ehringfeld | QHash<QString, QVariant> attributes;
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};
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| 82442988 | Christian Ehringfeld | ||
QStringList quoteTableNames(const QStringList &tables);
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QString getSeparator() const;
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void setSeparator(const QString &value);
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| 86e5c917 | Christian Ehringfeld | QSqlQuery find(const qint64 &id, const QString &tableName) const;
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QSqlQuery find(const qint64 &id, const QSharedPointer<Entity> &entity,
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qint64 offset = 0, QString pk = "id") const;
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QSqlQuery findByAttributes(const QHash<QString, QVariant> &m,
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const QString &tableName,
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const bool &ignoreID = true, const qint64 limit = 0,
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const qint64 offset = 0) const;
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QSqlQuery findByAttributes(const QSharedPointer<Entity> &e,
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bool ignoreID = true,
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const qint64 limit = 0, const qint64 offset = 0);
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QSqlQuery findAll(const QString &tableName) const;
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QSqlQuery findAll(const QSharedPointer<Entity> &entity, const qint64 limit = 0,
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qint64 offset = 0);
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QList<QSqlQuery> remove(const QSharedPointer<Entity> &entity) const;
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QSqlQuery findId(const QSharedPointer<Entity> &entity) const;
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QSqlQuery count(const QString &tableName) const;
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QList<QSqlQuery> merge(const QSharedPointer<Entity> &entity) const;
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QList<QSqlQuery> create(const QSharedPointer<Entity> &entity) const;
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QSqlQuery removeAll(const QString &tableName) const;
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QSqlQuery oneToMany(const QString &tableName, const QString &attribute,
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const qint64 &id,
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const qint64 &limit = 0);
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QSqlQuery manyToMany(const QString &tableName, const QString &attribute,
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const qint64 &id);
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QSqlQuery manyToManyDelete(const QString &tableName, const QString &attribute,
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const qint64 &id);
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QSqlQuery manyToManyInsert(const QString &tableName, const QString &col1,
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const QString &col2) const;
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| da3ce9cf | Christian Ehringfeld | QSqlQuery remove(const QString &tableName, const qint64 &id,
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const QString &primaryKey = "id") const;
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QSqlQuery insert(const QString &tableName, QHash<QString, QVariant> &attributes,
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| 94bf67c7 | Christian Ehringfeld | const QString &primaryKey = "id", bool withId = false) const;
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| afde9013 | Christian Ehringfeld | QSqlQuery update(const QString &tableName, QHash<QString, QVariant> &attributes,
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const QString &primaryKey = "id") const;
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| 992116ed | Christian Ehringfeld | QList<QSqlQuery> createOrMerge(const QSharedPointer<Entity> &entity,
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bool insert) const;
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| 67aa0d3f | Christian Ehringfeld | virtual QString limit(const quint64 &limit, const quint64 &offset,
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bool withSpace = true) const;
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| 86e5c917 | Christian Ehringfeld | QString generateIndexName(const QString &name, const QString &table,
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const QString &refColumn, const QString &refTable, const bool fk) const;
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QString generateColumnNameID(QString name) const;
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| 554f7bc0 | Christian Ehringfeld | QString columnNameIDAppendix() const;
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| f5087482 | Christian Ehringfeld | virtual void createRelationFK(QStringList &queries,
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const QSharedPointer<Entity> &entity, const Relation &relation,
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const QMetaProperty &metaProperty, const QString &update,
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const QString &remove) const;
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| e0e1ead8 | Christian Ehringfeld | void insertRelationId(const Entity *e, QHash<QString, QVariant> &map,
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QString relName) const;
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| d99101ae | Christian Ehringfeld | QString buildColumns(const QStringList &columns) const;
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| 99140fe9 | Christian Ehringfeld | QHash<QString, QVariant> getManyToOneAttributes(QHash<QString, QMetaProperty>
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props,
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const QSharedPointer<Entity> &entity,
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QHash<QString, Relation> relations = QHash<QString, Relation>()) const;
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| e0e1ead8 | Christian Ehringfeld | QHash<QString, QMetaProperty> getMetaProperties(const QSharedPointer<Entity>
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&entity)
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const;
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QHash<QString, QVariant> getPropertyValues(const QHash<QString, QMetaProperty>
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&metaProps,
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| dc6b13b4 | Christian Ehringfeld | const QSharedPointer<Entity> &entity) const;
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| 86e5c917 | Christian Ehringfeld | QString generateManyToManyTableName(const QSharedPointer<Entity> &firstEntity,
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const QSharedPointer<Entity> &secondEntity, const Relation &r) const;
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| d27d606d | Christian Ehringfeld | QString generateManyToManyTableName(const QString &tableName,
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const QString &attribute) const;
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QString generateManyToManyColumnName(const QSharedPointer<Entity> &entity,
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QString attribute) const;
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| e0e1ead8 | Christian Ehringfeld | QString buildCreateQuery(QHash<QString, QVariant>::const_iterator i,
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QHash<QString, QVariant>::const_iterator end,
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| dc6b13b4 | Christian Ehringfeld | QString &p1, QString &p2) const;
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| e0e1ead8 | Christian Ehringfeld | QString where(const QSharedPointer<Entity> &entity, QString conjunction = ",",
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bool ignoreID = false) const;
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QString where(const QHash<QString, QVariant> &m,
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| 274b34e4 | Christian Ehringfeld | const QString &conjunction,
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| 358e1e04 | Christian Ehringfeld | bool ignoreID, const QString &primaryKey = "id",
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| 86e5c917 | Christian Ehringfeld | bool withKeyword = true) const;
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| 358e1e04 | Christian Ehringfeld | QString where(const QString &key, const QVariant &var, bool withKeyword,
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bool select = true, bool notEqual = false) const;
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| 87739ae0 | Christian Ehringfeld | QString attributes(const QHash<QString, QVariant> &m, bool select = true,
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| e0e1ead8 | Christian Ehringfeld | const QString &conjunction = ",",
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| da3ce9cf | Christian Ehringfeld | bool ignoreID = false, const QString &primaryKey = "id") const;
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| 99140fe9 | Christian Ehringfeld | QHash<QString, QVariant> saveAttributes(const QSharedPointer<Entity> &entity,
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QHash<QString, QMetaProperty> props = QHash<QString, QMetaProperty> (),
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QHash<QString, Relation> relations = QHash<QString, Relation>())
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| e0e1ead8 | Christian Ehringfeld | const;
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| 99140fe9 | Christian Ehringfeld | QHash<QString, QMetaProperty> processProperties(const QSharedPointer<Entity> &e,
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QHash<QString, QMetaProperty> &usedProperties) const;
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QHash<QString, Relation> processRelations(const QSharedPointer<Entity> &e,
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QHash<QString, Relation> &usedRelations) const;
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| 8275b945 | Christian Ehringfeld | QList<ClassAttributes> inheritedAttributes(
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| 99140fe9 | Christian Ehringfeld | const QSharedPointer<Entity> &entity) const;
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| 8275b945 | Christian Ehringfeld | ||
| e0e1ead8 | Christian Ehringfeld | QString leftJoin(const QString &foreignTable, const QString &tableName,
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| 274b34e4 | Christian Ehringfeld | const QString &foreignKey = "id", const QString &primaryKey = "id",
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bool onlyCondition = false) const;
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| 1a3b37ba | Christian Ehringfeld | QString superClassColumnName(const QMetaObject *&superMeta) const;
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| 2ee5022f | Christian Ehringfeld | QString addWildcard(QVariant var, JokerPosition jp,
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QChar jokerChar = '%') const;
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| b0bf458e | Christian Ehringfeld | ||
| f5087482 | Christian Ehringfeld | QString joinSuperClasses(const QSharedPointer<Entity> &entity) const;
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virtual QString selectBase(const QStringList &tables,
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const QStringList &columns = QStringList()) const;
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virtual QString countFunction(const QString &distinctColumn = "") const;
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virtual QString distinct() const;
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| 31916fa0 | Christian Ehringfeld | virtual QString notKeyword() const;
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virtual QString between() const;
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virtual QString andKeyword() const;
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virtual QString orKeyword() const;
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virtual QString inKeyword() const;
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virtual QString whereKeyword() const;
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virtual QString countKeyword() const;
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| dbf92b46 | Christian Ehringfeld | virtual QString notEqualOperator() const;
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virtual QString equalOperator() const;
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virtual QString fromKeyword() const;
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virtual QString isNullKeywords() const;
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virtual QString isNotNullKeywords() const;
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| 506067a2 | Christian Ehringfeld | virtual Expression inFunction(QString column, QList<QVariant> values,
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| 274b34e4 | Christian Ehringfeld | bool notOp = false) const;
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| 86e5c917 | Christian Ehringfeld | virtual QString between(QString colName, QString valName1, QString valName2,
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| 274b34e4 | Christian Ehringfeld | bool notOp = false) const;
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| 584721e5 | Christian Ehringfeld | virtual QString likeKeyword() const;
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virtual QString limitKeyword() const;
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virtual QString offsetKeyword() const;
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| 274b34e4 | Christian Ehringfeld | QString appendNot(bool notOp) const;
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| 506067a2 | Christian Ehringfeld | virtual Expression appendCondition(QString ph1, QString ph2, QVariant val1,
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| 274b34e4 | Christian Ehringfeld | QVariant val2, QString condition) const;
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| 35cf13b7 | Christian Ehringfeld | QString entityClassname() const;
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| 57d6da31 | Christian Ehringfeld | Schema *getSchema() const;
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| 3160499c | Christian Ehringfeld | QString separator;
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| 57d6da31 | Christian Ehringfeld | Schema *schema;
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| b0bf458e | Christian Ehringfeld | QSharedPointer<Database> database;
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| 14f9beed | Christian Ehringfeld | };
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| b0bf458e | Christian Ehringfeld | }
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| 14f9beed | Christian Ehringfeld | ||
#endif // QUERYBUILDER_H
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