46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#include "parser.h"
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#include "usql.h"
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// https://dev.to/joaoh82/what-would-sqlite-look-like-if-written-in-rust-part-1-2np4
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// parser should get lexer as param and table executor to be able translate * or get types or so
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// podporovat create as select
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// drop table
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int main(int argc, char *argv[]) {
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std::vector<std::string> sql_commands{
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"create table a (i integer not null, s varchar(64), f float null)",
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"insert into a (i, s) values(1, 'one')",
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"insert into a (i, s) values(2, 'two')",
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"insert into a (i, s) values(3, 'two')",
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"insert into a (i, s) values(4, 'four')",
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"insert into a (i, s) values(5, 'five')",
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"select i, s from a where i > 2",
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"select i, s from a where i = 1",
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"select i, s from a where s = 'two'",
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"select i, s from a where i <= 3 and s = 'one'",
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"select i, s from a where i > 0",
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"delete from a where i = 4",
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"select i, s from a where i > 0",
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"update a set f = 9.99 where i = 3",
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"select i, s, f from a where i = 3",
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"update a set s = 'three', f = f + 0.01 where i = 3",
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"select i, s, f from a where i = 3",
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"create table data (ticker varchar(8), price float null)",
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"load data from '/Users/vaclavt/Library/Mobile Documents/com~apple~CloudDocs/Development/usql/data.csv')",
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"select ticker, price from data"
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};
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usql::uSQL uSql{};
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for (auto command : sql_commands) {
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std::cout << command << std::endl;
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auto result = uSql.execute(command);
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result->print();
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}
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return 0;
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}
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