1 | #include "include/imdb.hpp" |
---|---|
2 | #include "imdb_constants.hpp" |
3 | #include "duckdb/common/file_system.hpp" |
4 | |
5 | |
6 | using namespace duckdb; |
7 | using namespace std; |
8 | |
9 | namespace imdb { |
10 | |
11 | void dbgen(DuckDB &db) { |
12 | Connection con(db); |
13 | con.Query("BEGIN TRANSACTION"); |
14 | for (int t = 0; t < IMDB_TABLE_COUNT; t++) { |
15 | con.Query(IMDB_TABLE_DDL[t]); |
16 | string table_name = string(IMDB_TABLE_NAMES[t]); |
17 | string data_file_name = "third_party/imdb/data/"+table_name+ ".csv.gz"; |
18 | auto file_system = make_unique<FileSystem>(); |
19 | if (!file_system->FileExists(data_file_name)) { |
20 | throw Exception("IMDB data file missing, try `make imdb` to download."); |
21 | } |
22 | con.Query("COPY "+table_name+ " FROM '"+data_file_name+ "' DELIMITER ',' ESCAPE '\\';"); |
23 | } |
24 | con.Query("COMMIT"); |
25 | } |
26 | |
27 | string get_query(int query) { |
28 | if (query <= 0 || query > IMDB_QUERIES_COUNT) { |
29 | throw SyntaxException("Out of range IMDB query number %d", query); |
30 | } |
31 | return IMDB_QUERIES[query - 1]; |
32 | } |
33 | } // namespace imdb |
34 |