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#ifndef MYGRATE_OUTPUT_PQ_UPDATEDATABASE_H
#define MYGRATE_OUTPUT_PQ_UPDATEDATABASE_H
#include "pqConn.h"
#include "pqStmt.h"
#include <cstdint>
#include <eventHandlerBase.h>
#include <eventSourceBase.h>
#include <row.h>
namespace MyGrate::Input {
class MySQLConn;
}
namespace MyGrate::Output::Pq {
struct ColumnDef {
#ifndef __cpp_aggregate_paren_init
ColumnDef(std::string, std::size_t, bool);
#endif
std::string name;
std::size_t ordinal;
bool is_pk;
};
using ColumnDefPtr = std::unique_ptr<ColumnDef>;
class TableOutput {
public:
TableOutput() = default;
TableOutput(const RecordSet &, std::string_view name);
std::vector<ColumnDefPtr> columns;
std::size_t keys;
DbPrepStmtPtr update, deleteFrom, insertInto;
};
using TableDefPtr = std::unique_ptr<TableOutput>;
class ConfigError : public std::runtime_error {
using std::runtime_error::runtime_error;
};
class ReplicationError : public std::runtime_error {
using std::runtime_error::runtime_error;
};
class UpdateDatabase : public PqConn, public EventHandlerBase {
public:
UpdateDatabase(const char * const str, uint64_t source);
EventSourceBasePtr getSource();
static UpdateDatabase createNew(PqConn *, const char * host, const char * un, const char * pw, unsigned short p,
const char * db, int sid, const char * sc);
void addTable(Input::MySQLConn *, const char * tableName);
// Replication events
void updateRow(MariaDB_Event_Ptr) override;
void deleteRow(MariaDB_Event_Ptr) override;
void insertRow(MariaDB_Event_Ptr) override;
void tableMap(MariaDB_Event_Ptr) override;
void rotate(MariaDB_Event_Ptr) override;
void gtid(MariaDB_Event_Ptr) override;
void xid(MariaDB_Event_Ptr) override;
const uint64_t source;
const std::string schema;
const std::string database;
protected:
virtual void beforeEvent(const MariaDB_Event_Ptr & e);
virtual void afterEvent(const MariaDB_Event_Ptr & e);
private:
UpdateDatabase(PqConn &&, uint64_t source);
UpdateDatabase(PqConn &&, uint64_t source, RecordSetPtr cfg);
static void verifyRow(const MariaDB_Event_Ptr & e, const TableDefPtr &);
static void copyKeys(const Row & r, const TableDefPtr &, std::back_insert_iterator<Row> &&);
void copyTableContent(Input::MySQLConn *, const char * tableName, const TableDefPtr &);
using Tables = std::map<std::string, TableDefPtr, std::less<>>;
Tables tables;
Tables::const_iterator selected;
MariaDB_Event_Ptr table_map;
bool intx {false};
};
}
#endif
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