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root/src/schema/mysqlquerybuilder.cpp @ 49762cb7
| ed9ffe4a | Christian Ehringfeld | #include "mysqlquerybuilder.h"
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#include "../schema.h"
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CuteEntityManager::MysqlQueryBuilder::MysqlQueryBuilder(
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| 57d6da31 | Christian Ehringfeld | CuteEntityManager::Schema *schema,
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QSharedPointer<CuteEntityManager::Database> database) :
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CuteEntityManager::QueryBuilder(schema,
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database) {
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| ed9ffe4a | Christian Ehringfeld | ||
}
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QString CuteEntityManager::MysqlQueryBuilder::renameColumn(QString tableName,
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QString oldName, QString newName) const {
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return "ALTER TABLE " + this->schema->quoteTableName(
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tableName) + " CHANGE " +
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this->schema->quoteColumnName(oldName) + " " +
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this->schema->quoteColumnName(
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newName);
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/**
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* @todo must append datatype
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*/
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}
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QString CuteEntityManager::MysqlQueryBuilder::createIndex(QString name,
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QString tableName, QStringList columns, bool unique) const {
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QString s = "ALTER TABLE ";
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s += this->schema->quoteTableName(tableName);
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s += (unique ? "ADD UNIQUE INDEX " : "ADD INDEX ") +
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this->schema->quoteTableName(
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name) + " (";
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s.append(this->buildColumns(columns));
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s.append(");");
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return s;
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}
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QString CuteEntityManager::MysqlQueryBuilder::dropForeignKey(QString name,
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QString tableName) const {
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return "ALTER TABLE " + this->schema->quoteTableName(
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tableName) + " DROP FOREIGN KEY " +
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this->schema->quoteColumnName(name);
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}
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QString CuteEntityManager::MysqlQueryBuilder::limit(const quint64 &limit,
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const quint64 &offset, bool withSpace) const {
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QString s = "";
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if (limit > 0) {
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s.append((withSpace ? " " : "") + this->limitKeyword() + " " +
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QString::number(limit));
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if (offset > 0) {
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s.append(" " + this->offsetKeyword() + QString::number(offset));
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}
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} else if (offset > 0) {
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s.append((withSpace ? " " : "") + this->limitKeyword() + " " +
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QString::number(offset) + ", 18446744073709551615"); //2^64-1
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}
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return s;
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}
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