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Update README.md

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Link to Matthijs' postgresql connector and minor updates in the examples
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rbock 2014-07-03 10:15:52 +02:00
parent 04e7a36206
commit 58b666f20f
1 changed files with 8 additions and 8 deletions
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README.md
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@ -49,7 +49,7 @@ TabFoo foo;
Db db(/* some arguments*/);
// selecting zero or more results, iterating over the results
for (const auto& row : db.run(select(foo.name, foo.hasFun).from(foo).where(foo.id > 17 and foo.name.like("%bar%"))))
for (const auto& row : db(select(foo.name, foo.hasFun).from(foo).where(foo.id > 17 and foo.name.like("%bar%"))))
{
if (row.name.is_null())
std::cerr << "name is null, will convert to empty string" << std::endl;
@ -58,32 +58,32 @@ for (const auto& row : db.run(select(foo.name, foo.hasFun).from(foo).where(foo.i
}
// selecting ALL columns of a table
for (const auto& row : db.run(select(all_of(foo)).from(foo).where(foo.hasFun or foo.name == "joker")))
for (const auto& row : db(select(all_of(foo)).from(foo).where(foo.hasFun or foo.name == "joker")))
{
int64_t id = row.id; // numeric fields are implicitly convertible to numeric c++ types
}
// selecting zero or one row, showing off with an alias:
SQLPP_ALIAS_PROVIDER(cheese);
if (const auto& row = db.run(select(foo.name.as(cheese)).from(foo).where(foo.id == 17)))
if (const auto& row = db(select(foo.name.as(cheese)).from(foo).where(foo.id == 17)))
{
std::cerr << "found: " << row.cheese << std::endl;
}
// selecting a single row with a single result:
return db.run(select(count(foo.id)).from(foo).where(true)).front().count;
return db(select(count(foo.id)).from(foo).where(true)).front().count;
Of course there are joins and subqueries, more functions, order_by, group_by etc.
These will be documented soon.
// A sample insert
db.run(insert_into(foo).set(foo.id = 17, foo.name = "bar", foo.hasFun = true));
db(insert_into(foo).set(foo.id = 17, foo.name = "bar", foo.hasFun = true));
// A sample update
db.run(update(foo).set(foo.hasFun = not foo.hasFun).where(foo.name != "nobody"));
db(update(foo).set(foo.hasFun = not foo.hasFun).where(foo.name != "nobody"));
// A sample delete
db.run(remove_from(foo).where(not foo.hasFun));
db(remove_from(foo).where(not foo.hasFun));
```
Requirements:
@ -99,5 +99,5 @@ sqlpp11 requires a certain api in order to connect with the database, see databa
* MySQL: https://github.com/rbock/sqlpp11-connector-mysql
* Sqlite3: https://github.com/rbock/sqlpp11-connector-sqlite3
* PostgreSQL: https://github.com/pbondo/sqlpp11-connector-postgresql
* PostgreSQL: https://github.com/matthijs/sqlpp11-connector-postgresql