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Revision 829c3e69

Von Christian Ehringfeld vor mehr als 9 Jahren hinzugefügt

  • ID 829c3e69108b47ad034348136bd9393f50b68e58
  • Vorgänger 90b3888e
  • Nachfolger 5b3f11b2

mysql work

Unterschiede anzeigen:

src/schema.cpp
return length;
}
bool Schema::findColumns(const QSharedPointer<TableSchema> &ts) {
QSqlQuery q = this->database->getQuery();
q.setForwardOnly(true);
q.exec("SELECT * FROM " + this->quoteSimpleTableName(ts->getName()) +
" LIMIT 0");
QHash<QString, QSharedPointer<QSqlField>> columns =
QHash<QString, QSharedPointer<QSqlField>>();
auto rec = q.record();
int count = rec.count();
if (count == 0) {
return false;
}
for (int var = 0; var < count; ++var) {
QSqlField f = rec.field(var);
columns.insert(f.name(), QSharedPointer<QSqlField>(new QSqlField(f)));
}
ts->setColumns(columns);
return true;
}
QHash<QString, QSharedPointer<TableSchema> > Schema::getTables() {
if (this->tables.size() != this->getTableNames().size()) {
src/schema.h
QSharedPointer<TableSchema>
&table) = 0;
virtual void findConstraints(const QSharedPointer<TableSchema> &ts) = 0;
virtual bool findColumns(const QSharedPointer<TableSchema> &ts) = 0;
virtual bool findColumns(const QSharedPointer<TableSchema> &ts);
virtual QSharedPointer<TableSchema> loadTableSchema(QString name) = 0;
virtual void initAbstractDatabaseTypes();
QSharedPointer<Database> database;
src/schema/mysqlschema.cpp
//#include "mysqlschema.h"
//#include <QSqlQuery>
//using namespace CuteEntityManager;
#include "mysqlschema.h"
#include "../database.h"
#include <QSqlRecord>
#include <QSqlResult>
#include "sqlitequerybuilder.h"
using namespace CuteEntityManager;
//MysqlSchema::MysqlSchema(std::shared_ptr<Database> database) : Schema(database) {
QSharedPointer<QHash<QString, QString> > MysqlSchema::getTypeMap() {
if (this->typeMap->empty()) {
this->typeMap->insert(TYPE_PK,
"integer PRIMARY KEY AUTOINCREMENT NOT NULL");
this->typeMap->insert(TYPE_BIGPK,
"bigint PRIMARY KEY AUTOINCREMENT NOT NULL");
this->typeMap->insert(TYPE_BOOLEAN, "boolean");
this->typeMap->insert(TYPE_SMALLINT, "smallint");
this->typeMap->insert(TYPE_INTEGER, "integer");
this->typeMap->insert(TYPE_BIGINT, "bigint");
this->typeMap->insert(TYPE_FLOAT, "float");
this->typeMap->insert(TYPE_DOUBLE, "double");
this->typeMap->insert(TYPE_FLOAT, "real");
this->typeMap->insert(TYPE_DECIMAL, "decimal(10,0)");
this->typeMap->insert(TYPE_TEXT, "text");
this->typeMap->insert(TYPE_STRING, "text");
this->typeMap->insert(TYPE_CHAR, "char");
this->typeMap->insert(TYPE_BINARY, "blob");
this->typeMap->insert(TYPE_DATETIME, "datetime");
this->typeMap->insert(TYPE_DATE, "date");
this->typeMap->insert(TYPE_TIME, "time");
this->typeMap->insert(TYPE_TIMESTAMP, "timestamp");
this->typeMap->insert(TYPE_MONEY, "decimal(19,4)");
}
return this->typeMap;
}
//}
QStringList MysqlSchema::findTableNames(QString schema) {
QString sql = "SHOW TABLES";
if (!schema.isEmpty()) {
sql += " FROM " + this->quoteSimpleTableName(schema);
}
auto l = QStringList();
auto q = this->database->getQuery();
q.prepare(sql);
this->database->select(q);
while (q.next()) {
l.append(q.value(0).toString());
}
return l;
}
//MysqlSchema::~MysqlSchema() {
QHash<QString, QStringList> MysqlSchema::findUniqueIndexes(
const QSharedPointer<TableSchema> &table) {
QHash<QString, QStringList> uniqueIndexes = QHash<QString, QStringList>();
QSqlQuery q = this->database->getQuery();
q.setForwardOnly(true);
q.exec("SHOW INDEX FROM " + this->quoteSimpleTableName(
table->getName()));
while (q.next()) {
QString indexName = q.value("Key_name").toString();
if (!(q.value("Non_unique").toBool())) {
QStringList indexInfo = QStringList();
indexInfo.append(q.value("Column_name").toString());
uniqueIndexes.insert(indexName, indexInfo);
}
}
return uniqueIndexes;
}
//}
void MysqlSchema::findConstraints(const QSharedPointer<TableSchema> &ts) {
// QString sql = "SHOW INDEX";
// sql += " FROM " + this->quoteSimpleTableName(table->getFullName());
// QSqlQuery q = this->database->getQuery();
// q.setForwardOnly(true);
// q.exec(sql);
auto foreignKeys = ts->getRelations();
// while (q.next()) {
// bool ok;
// int id = q.value("id").toInt(&ok);
// if (ok) {
// auto rel = new QSqlRelation(q.value("table").toString(),
// q.value("from").toString(),
// q.value("to").toString());
// auto ptr = QSharedPointer<QSqlRelation>(rel);
// foreignKeys.insert(QString::number(id), ptr);
// }
// }
//QHash<QString, QString> *MysqlSchema::getTypeMap() {
// if (this->typeMap.data()->empty()) {
// this->typeMap.data()->insert(TYPE_SMALLINT, "tinyint");
// this->typeMap.data()->insert(TYPE_BOOLEAN, "boolean");
// this->typeMap.data()->insert(TYPE_SMALLINT, "smallint");
// this->typeMap.data()->insert(TYPE_INTEGER, "int");
// this->typeMap.data()->insert(TYPE_BIGINT, "bigint");
// this->typeMap.data()->insert(TYPE_FLOAT, "float");
// this->typeMap.data()->insert(TYPE_DOUBLE, "double");
// this->typeMap.data()->insert(TYPE_FLOAT, "real");
// this->typeMap.data()->insert(TYPE_DECIMAL, "decimal");
// this->typeMap.data()->insert(TYPE_TEXT, "text");
// this->typeMap.data()->insert(TYPE_STRING, "varchar");
// this->typeMap.data()->insert(TYPE_CHAR, "char");
// this->typeMap.data()->insert(TYPE_BINARY, "blob");
// this->typeMap.data()->insert(TYPE_DATETIME, "datetime");
// this->typeMap.data()->insert(TYPE_DATE, "date");
// this->typeMap.data()->insert(TYPE_TIME, "time");
// this->typeMap.data()->insert(TYPE_TIMESTAMP, "timestamp");
// }
// return this->typeMap.data();
//}
ts->setRelations(foreignKeys);
}
////QString Database::mysqlTableList() {
//// return "SHOW TABLES;";
////}
QSharedPointer<TableSchema> MysqlSchema::loadTableSchema(QString name) {
auto ptr = QSharedPointer<TableSchema>(new TableSchema());
this->resolveTableNames(ptr, name);
if (this->findColumns(ptr)) {
this->findConstraints(ptr);
} else {
ptr.clear();
}
return ptr;
}
void MysqlSchema::resolveTableNames(const QSharedPointer<TableSchema> &ts,
QString name) {
QStringList parts = name.replace("`", "").split(".");
if (parts.size() > 1) {
ts->setSchemaName(parts.at(0));
ts->setName(parts.at(1));
ts->setFullName(ts->getSchemaName() + "." + ts->getName());
} else {
ts->setFullName(parts.at(0));
ts->setName(parts.at(0));
}
}
src/schema/mysqlschema.h
//#ifndef MYSQLSCHEMA_H
//#define MYSQLSCHEMA_H
//#include "../schema.h"
//namespace CuteEntityManager {
//class MysqlSchema : public Schema {
// public:
// MysqlSchema(std::shared_ptr<Database> database);
// ~MysqlSchema();
// QHash<QString, QString> *getTypeMap();
//};
//}
//#endif // MYSQLSCHEMA_H
#ifndef MYSQLSCHEMA_H
#define MYSQLSCHEMA_H
#include "../schema.h"
namespace CuteEntityManager {
class TableSchema;
class MysqlSchema : public Schema {
public:
MysqlSchema(QSharedPointer<Database> database);
QSharedPointer<QHash<QString, QString> > getTypeMap() override;
protected:
QStringList findTableNames(QString schema = "") override;
QHash<QString, QStringList> findUniqueIndexes(const
QSharedPointer<TableSchema>
&table) override;
void findConstraints(const QSharedPointer<TableSchema> &ts) override;
QSharedPointer<TableSchema> loadTableSchema(QString name) override;
void resolveTableNames(const QSharedPointer<TableSchema> &ts, QString name);
};
}
#endif // MYSQLSCHEMA_H
src/schema/sqliteschema.cpp
this->typeMap->insert(TYPE_PK,
"integer PRIMARY KEY AUTOINCREMENT NOT NULL");
this->typeMap->insert(TYPE_BIGPK,
"integer PRIMARY KEY AUTOINCREMENT NOT NULL");
"bigint PRIMARY KEY AUTOINCREMENT NOT NULL");
this->typeMap->insert(TYPE_BOOLEAN, "boolean");
this->typeMap->insert(TYPE_SMALLINT, "smallint");
this->typeMap->insert(TYPE_INTEGER, "integer");
......
ts->setRelations(foreignKeys);
}
bool SqliteSchema::findColumns(const QSharedPointer<TableSchema> &ts) {
QSqlQuery q = this->database->getQuery();
q.setForwardOnly(true);
q.exec("SELECT * FROM " + this->quoteSimpleTableName(ts->getName()) +
" LIMIT 0");
QHash<QString, QSharedPointer<QSqlField>> columns =
QHash<QString, QSharedPointer<QSqlField>>();
auto rec = q.record();
int count = rec.count();
if (count == 0) {
return false;
}
for (int var = 0; var < count; ++var) {
QSqlField f = rec.field(var);
columns.insert(f.name(), QSharedPointer<QSqlField>(new QSqlField(f)));
}
ts->setColumns(columns);
return true;
}
QSharedPointer<TableSchema> SqliteSchema::loadTableSchema(QString name) {
auto ptr = QSharedPointer<TableSchema>(new TableSchema());
ptr->setName(name);
src/schema/sqliteschema.h
QSharedPointer<TableSchema>
&table) override;
virtual void findConstraints(const QSharedPointer<TableSchema> &ts) override;
virtual bool findColumns(const QSharedPointer<TableSchema> &ts) override;
virtual QSharedPointer<TableSchema> loadTableSchema(QString name) override;
};
}

Auch abrufbar als: Unified diff