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AQuery/server/table_ext_monetdb.hpp

118 lines
3.7 KiB

// TODO: Think of a way of decoupling table.h part and
// monetdbe.h part to speed up compilation.
#ifndef __TABLE_EXT_MONETDB_HPP__
#define __TABLE_EXT_MONETDB_HPP__
#include "table.h"
#include "monetdb_conn.h"
#include "monetdbe.h"
inline constexpr monetdbe_types AQType_2_monetdbe[] = {
monetdbe_int32_t, monetdbe_float, monetdbe_str, monetdbe_double, monetdbe_double, monetdbe_int64_t,
#ifdef HAVE_HGE
monetdbe_int128_t,
#else
monetdbe_int64_t,
#endif
monetdbe_int16_t, monetdbe_date, monetdbe_time, monetdbe_int8_t,
monetdbe_int32_t, monetdbe_int64_t,
#ifdef HAVE_HGE
monetdbe_int128_t,
#else
monetdbe_int64_t,
#endif
monetdbe_int16_t, monetdbe_int8_t, monetdbe_bool,
#ifdef HAVE_HGE
monetdbe_int128_t,
#else
monetdbe_int64_t,
#endif
monetdbe_timestamp, monetdbe_int8_t, monetdbe_str, monetdbe_int64_t, monetdbe_int64_t
};
template<class ...Ts>
void TableInfo<Ts ...>::monetdb_append_table(void* srv, const char* alt_name) {
if (!alt_name){
alt_name = this->name;
}
monetdbe_column** monetdbe_cols = new monetdbe_column * [sizeof...(Ts)];
uint32_t i = 0;
constexpr auto n_vecs = count_vector_type((tuple_type*)(0));
void* gc_vecs[1 + n_vecs];
// puts("getcols...");
uint32_t cnt = 0;
const auto get_col = [&monetdbe_cols, &i, *this, &gc_vecs, &cnt](auto v) {
// printf("%d %d\n", i, (ColRef<void>*)v - colrefs);
monetdbe_cols[i++] = (monetdbe_column*)v->monetdb_get_col(gc_vecs, cnt);
};
(get_col((ColRef<Ts>*)(colrefs + i)), ...);
//puts("getcols done");
// for(int i = 0; i < sizeof...(Ts); ++i)
// {
// printf("no:%d name: %s count:%d data: %p type:%d \n",
// i, monetdbe_cols[i]->name, monetdbe_cols[i]->count, monetdbe_cols[i]->data, monetdbe_cols[i]->type);
// }
std::string create_table_str = "CREATE TABLE IF NOT EXISTS ";
create_table_str += alt_name;
create_table_str += " (";
i = 0;
const auto get_name_type = [&i, *this, &create_table_str](auto v) {
create_table_str+= std::string(colrefs[i++].name) + ' ' +
std::string(types::SQL_Type[types::Types<std::remove_pointer_t<decltype(v)>>::getType()]) + ", ";
};
(get_name_type((Ts*)(0)), ...);
auto last_comma = create_table_str.find_last_of(',');
if (last_comma != static_cast<decltype(last_comma)>(-1)) {
create_table_str[last_comma] = ')';
MonetdbServer* server = (MonetdbServer*)srv;
// puts("create table...");
// puts(create_table_str.c_str());
server->exec(create_table_str.c_str());
if (!server->last_error) {
auto err = monetdbe_append(*((monetdbe_database*)server->server), "sys", alt_name, monetdbe_cols, sizeof...(Ts));
if (err)
puts(err);
goto finialize;
}
}
puts("Error! Empty table.");
finialize:
for(uint32_t i = 0; i < cnt; ++i)
;//GC::gc_handle->reg(gc_vecs[i]);
}
template<class Type>
void* ColRef<Type>::monetdb_get_col(void** gc_vecs, uint32_t& cnt) {
auto aq_type = AQType_2_monetdbe[types::Types<Type>::getType()];
monetdbe_column* col = (monetdbe_column*)malloc(sizeof(monetdbe_column));
col->type = aq_type;
col->count = this->size;
col->data = this->container;
if constexpr(std::is_same_v<Type, std::string_view>) {
auto _data = static_cast<const char **>(
malloc(sizeof(const char *) * this->size));
for(uint32_t i = 0; i < this->size; ++i){
_data[i] = this->container[i].data();
}
col->data = _data;
gc_vecs[cnt++] = _data;
}
col->name = const_cast<char*>(this->name);
// auto arr = (types::timestamp_t*) malloc (sizeof(types::timestamp_t)* this->size);
// if constexpr (is_vector_type<Type>){
// for(uint32_t i = 0; i < this->size; ++i){
// memcpy(arr + i, this->container + i, sizeof(types::timestamp_t));
// }
// gc_vecs[cnt++] = arr;
// }
return col;
}
#endif