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root/src/schema/mysqlschema.cpp @ master
| 829c3e69 | Christian Ehringfeld | #include "mysqlschema.h"
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#include "../database.h"
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#include <QSqlRecord>
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#include <QSqlResult>
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| ed9ffe4a | Christian Ehringfeld | #include "mysqlquerybuilder.h"
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| 829c3e69 | Christian Ehringfeld | using namespace CuteEntityManager;
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| b0b8dac3 | Christian Ehringfeld | ||
| ed9ffe4a | Christian Ehringfeld | MysqlSchema::MysqlSchema(QSharedPointer<Database> database) : Schema(
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| 57d6da31 | Christian Ehringfeld | database, QSharedPointer<QueryBuilder>(new MysqlQueryBuilder(this, database))) {
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| ed9ffe4a | Christian Ehringfeld | }
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| 829c3e69 | Christian Ehringfeld | QSharedPointer<QHash<QString, QString> > MysqlSchema::getTypeMap() {
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if (this->typeMap->empty()) {
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this->typeMap->insert(TYPE_PK,
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"integer PRIMARY KEY AUTOINCREMENT NOT NULL");
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this->typeMap->insert(TYPE_BIGPK,
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"bigint PRIMARY KEY AUTOINCREMENT NOT NULL");
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this->typeMap->insert(TYPE_BOOLEAN, "boolean");
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this->typeMap->insert(TYPE_SMALLINT, "smallint");
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this->typeMap->insert(TYPE_INTEGER, "integer");
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this->typeMap->insert(TYPE_BIGINT, "bigint");
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this->typeMap->insert(TYPE_FLOAT, "float");
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this->typeMap->insert(TYPE_DOUBLE, "double");
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this->typeMap->insert(TYPE_FLOAT, "real");
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this->typeMap->insert(TYPE_DECIMAL, "decimal(10,0)");
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this->typeMap->insert(TYPE_TEXT, "text");
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this->typeMap->insert(TYPE_STRING, "text");
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this->typeMap->insert(TYPE_CHAR, "char");
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this->typeMap->insert(TYPE_BINARY, "blob");
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this->typeMap->insert(TYPE_DATETIME, "datetime");
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this->typeMap->insert(TYPE_DATE, "date");
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this->typeMap->insert(TYPE_TIME, "time");
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this->typeMap->insert(TYPE_TIMESTAMP, "timestamp");
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this->typeMap->insert(TYPE_MONEY, "decimal(19,4)");
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}
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return this->typeMap;
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}
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| b0b8dac3 | Christian Ehringfeld | ||
| 829c3e69 | Christian Ehringfeld | QStringList MysqlSchema::findTableNames(QString schema) {
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QString sql = "SHOW TABLES";
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if (!schema.isEmpty()) {
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sql += " FROM " + this->quoteSimpleTableName(schema);
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}
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auto l = QStringList();
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auto q = this->database->getQuery();
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q.prepare(sql);
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this->database->select(q);
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while (q.next()) {
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l.append(q.value(0).toString());
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}
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return l;
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}
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| b0b8dac3 | Christian Ehringfeld | ||
| 829c3e69 | Christian Ehringfeld | QHash<QString, QStringList> MysqlSchema::findUniqueIndexes(
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const QSharedPointer<TableSchema> &table) {
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QHash<QString, QStringList> uniqueIndexes = QHash<QString, QStringList>();
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QSqlQuery q = this->database->getQuery();
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q.setForwardOnly(true);
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q.exec("SHOW INDEX FROM " + this->quoteSimpleTableName(
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table->getName()));
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while (q.next()) {
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QString indexName = q.value("Key_name").toString();
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if (!(q.value("Non_unique").toBool())) {
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QStringList indexInfo = QStringList();
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indexInfo.append(q.value("Column_name").toString());
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uniqueIndexes.insert(indexName, indexInfo);
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}
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}
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return uniqueIndexes;
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}
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| b0b8dac3 | Christian Ehringfeld | ||
| 829c3e69 | Christian Ehringfeld | void MysqlSchema::findConstraints(const QSharedPointer<TableSchema> &ts) {
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| 5b3f11b2 | Christian Ehringfeld | QString sql =
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| ed9ffe4a | Christian Ehringfeld | "SELECT " + this->quoteColumnName("table_name") + ", " +
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this->quoteColumnName("column_name") + ", " +
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this->quoteColumnName("referenced_table_name") + ", " +
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this->quoteColumnName("referenced_column_name");
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| 5b3f11b2 | Christian Ehringfeld | sql += " FROM " + this->quoteTableName("information_schema.key_column_usage");
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sql += "WHERE " + this->quoteColumnName("referenced_table_name") +
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" is not null";
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| ed9ffe4a | Christian Ehringfeld | sql += " AND " + this->quoteColumnName("table_schema") + " = ?";
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sql += " AND " + this->quoteColumnName("table_name") + " = ?";
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| 5b3f11b2 | Christian Ehringfeld | QSqlQuery q = this->database->getQuery();
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| ed9ffe4a | Christian Ehringfeld | q.prepare(sql);
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q.bindValue(0, this->getDatabase()->getDatabase().databaseName());
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q.bindValue(1, ts->getName());
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this->database->select(q);
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| 829c3e69 | Christian Ehringfeld | auto foreignKeys = ts->getRelations();
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| 5b3f11b2 | Christian Ehringfeld | int id = 0;
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while (q.next()) {
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| ed9ffe4a | Christian Ehringfeld | auto rel = new QSqlRelation(q.value("referenced_table_name").toString(),
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q.value("column_name").toString(),
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q.value("referenced_column_name").toString());
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auto ptr = QSharedPointer<QSqlRelation>(rel);
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foreignKeys.insert(QString::number(id), ptr);
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++id;
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| 5b3f11b2 | Christian Ehringfeld | }
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| 829c3e69 | Christian Ehringfeld | ts->setRelations(foreignKeys);
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}
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| 14f9beed | Christian Ehringfeld | ||
| 829c3e69 | Christian Ehringfeld | QSharedPointer<TableSchema> MysqlSchema::loadTableSchema(QString name) {
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auto ptr = QSharedPointer<TableSchema>(new TableSchema());
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this->resolveTableNames(ptr, name);
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if (this->findColumns(ptr)) {
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this->findConstraints(ptr);
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} else {
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ptr.clear();
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}
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return ptr;
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}
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void MysqlSchema::resolveTableNames(const QSharedPointer<TableSchema> &ts,
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QString name) {
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QStringList parts = name.replace("`", "").split(".");
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if (parts.size() > 1) {
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ts->setSchemaName(parts.at(0));
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ts->setName(parts.at(1));
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ts->setFullName(ts->getSchemaName() + "." + ts->getName());
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} else {
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ts->setFullName(parts.at(0));
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ts->setName(parts.at(0));
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}
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}
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