minetestmapper/include/db-postgresql.h

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#pragma once
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#include "db.h"
#include <libpq-fe.h>
class DBPostgreSQL : public DB {
public:
DBPostgreSQL(const std::string &mapdir);
std::vector<BlockPos> getBlockPos(BlockPos min, BlockPos max) override;
void getBlocksOnXZ(BlockList &blocks, int16_t x, int16_t z,
int16_t min_y, int16_t max_y) override;
void getBlocksByPos(BlockList &blocks,
const std::vector<BlockPos> &positions) override;
~DBPostgreSQL() override;
bool preferRangeQueries() const override { return true; }
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protected:
PGresult *checkResults(PGresult *res, bool clear = true);
void prepareStatement(const std::string &name, const std::string &sql);
PGresult *execPrepared(
const char *stmtName, const int paramsNumber,
const void **params,
const int *paramsLengths = NULL, const int *paramsFormats = NULL,
bool clear = true
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);
int pg_binary_to_int(PGresult *res, int row, int col);
BlockPos pg_to_blockpos(PGresult *res, int row, int col);
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private:
PGconn *db;
};