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pub mod raw;
mod error;
pub use error::*;
mod environment;
pub use environment::*;
mod data_source;
pub use data_source::*;
pub type Result<T> = std::result::Result<T, Error>;
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_connection() {
let mut environment = Environment::new().expect("Environment can be created");
let conn =
DataSource::with_dsn_and_credentials(&mut environment, "PostgreSQL", "postgres", "")
.expect("Could not connect");
assert!(!conn.read_only().unwrap());
}
#[test]
fn list_drivers() {
let environment = Environment::new();
let drivers = environment.expect("Environment can be created")
.drivers()
.expect("Drivers can be iterated over");
println!("{:?}", drivers);
let expected = ["PostgreSQL ANSI", "PostgreSQL Unicode", "SQLite", "SQLite3"];
assert!(drivers.iter().map(|d| &d.description).eq(expected.iter()));
}
#[test]
fn list_data_sources() {
let environment = Environment::new();
let sources = environment.expect("Environment can be created")
.data_sources()
.expect("Data sources can be iterated over");
println!("{:?}", sources);
let expected = [DataSourceInfo {
server_name: "PostgreSQL".to_owned(),
description: "PostgreSQL Unicode".to_owned(),
}];
assert!(sources.iter().eq(expected.iter()));
}
#[test]
fn list_user_data_sources() {
let environment = Environment::new();
let sources = environment.expect("Environment can be created")
.user_data_sources()
.expect("Data sources can be iterated over");
println!("{:?}", sources);
let expected = [DataSourceInfo {
server_name: "PostgreSQL".to_owned(),
description: "PostgreSQL Unicode".to_owned(),
}];
assert!(sources.iter().eq(expected.iter()));
}
#[test]
fn list_system_data_sources() {
let environment = Environment::new();
let sources = environment.expect("Environment can be created")
.system_data_sources()
.expect("Data sources can be iterated over");
println!("{:?}", sources);
let expected: [DataSourceInfo; 0] = [];
assert!(sources.iter().eq(expected.iter()));
}
#[test]
fn provoke_error() {
use std;
let mut environment = Environment::new().unwrap();
let error;
unsafe {
raw::SQLAllocHandle(raw::SQL_HANDLE_DBC, environment.raw(), std::ptr::null_mut());
error = Error::SqlError(DiagRec::create(raw::SQL_HANDLE_ENV, environment.raw()));
}
if cfg!(target_os = "windows") {
assert_eq!(format!("{}", error),
"[Microsoft][ODBC Driver Manager] Invalid argument value");
} else {
assert_eq!(format!("{}", error),
"[unixODBC][Driver Manager]Invalid use of null pointer");
}
}
#[test]
fn it_works() {
use raw::*;
use std::ffi::{CStr, CString};
use std;
unsafe {
let mut env: SQLHENV = std::ptr::null_mut();
SQLAllocEnv(&mut env);
let mut ret: SQLRETURN;
let mut name = [0; 1024];
let mut name_ret: SQLSMALLINT = 0;
let mut desc = [0; 1024];
let mut desc_ret: SQLSMALLINT = 0;
println!("Driver list:");
while {
ret = SQLDrivers(env,
SQL_FETCH_NEXT,
name.as_mut_ptr(),
name.len() as i16,
&mut name_ret,
desc.as_mut_ptr(),
desc.len() as i16,
&mut desc_ret);
ret
} & !1 == 0 {
println!("{:?} - {:?}",
CStr::from_ptr(name.as_ptr() as *const i8),
CStr::from_ptr(desc.as_ptr() as *const i8));
}
println!("DataSource list:");
while {
ret = SQLDataSources(env,
SQL_FETCH_NEXT,
name.as_mut_ptr(),
name.len() as i16,
&mut name_ret,
desc.as_mut_ptr(),
desc.len() as i16,
&mut desc_ret);
ret
} & !1 == 0 {
println!("{:?} - {:?}",
CStr::from_ptr(name.as_ptr() as *const i8),
CStr::from_ptr(desc.as_ptr() as *const i8));
}
let mut dbc: SQLHDBC = std::ptr::null_mut();
SQLAllocConnect(env, &mut dbc);
let dsn = CString::new("DSN=pglocal;Database=crm;Uid=postgres;Password=postgres")
.unwrap();
println!("CONNECTING TO {:?}", dsn);
let dsn_ptr = dsn.into_raw();
ret = SQLDriverConnect(dbc,
std::ptr::null_mut(),
dsn_ptr as *mut u8,
SQL_NTS,
name.as_mut_ptr(),
name.len() as i16,
&mut name_ret,
SQL_DRIVER_NOPROMPT);
CString::from_raw(dsn_ptr);
if ret & !1 == 0 {
println!("CONNECTED: {:?}",
CStr::from_ptr(name.as_ptr() as *const i8));
let mut stmt: SQLHSTMT = std::ptr::null_mut();
SQLAllocStmt(dbc, &mut stmt);
let sql = CString::new("select * from security.user").unwrap();
println!("EXECUTING SQL {:?}", sql);
let sql_ptr = sql.into_raw();
ret = SQLExecDirect(stmt, sql_ptr as *mut u8, SQL_NTSL);
CString::from_raw(sql_ptr);
if ret & !1 == 0 {
let mut columns: SQLSMALLINT = 0;
SQLNumResultCols(stmt, &mut columns);
println!("SUCCESSFUL:");
let mut i = 1;
while {
ret = SQLFetch(stmt);
ret
} & !1 == 0 {
println!("\tROW: {}", i);
for j in 1..columns {
let mut indicator: SQLLEN = 0;
let mut buf = [0; 512];
ret = SQLGetData(stmt,
j as u16,
1,
buf.as_mut_ptr() as SQLPOINTER,
buf.len() as SQLLEN,
&mut indicator);
if ret & !1 == 0 {
if indicator == -1 {
println!("Column {}: NULL", j);
} else {
println!("Column {}: {:?}",
j,
CStr::from_ptr(buf.as_ptr() as *const i8));
}
}
}
i += 1;
}
} else {
println!("FAILED:");
let mut i = 1;
let mut native: SQLINTEGER = 0;
while {
ret = SQLGetDiagRec(SQL_HANDLE_STMT,
stmt,
i,
name.as_mut_ptr(),
&mut native,
desc.as_mut_ptr(),
desc.len() as i16,
&mut desc_ret);
ret
} & !1 == 0 {
println!("\t{:?}:{}:{}:{:?}",
CStr::from_ptr(name.as_ptr() as *const i8),
i,
native,
CStr::from_ptr(desc.as_ptr() as *const i8));
i += 1;
}
}
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
SQLDisconnect(dbc);
} else {
println!("NOT CONNECTED: {:?}",
CStr::from_ptr(name.as_ptr() as *const i8));
let mut i = 1;
let mut native: SQLINTEGER = 0;
while {
ret = SQLGetDiagRec(SQL_HANDLE_DBC,
dbc,
i,
name.as_mut_ptr(),
&mut native,
desc.as_mut_ptr(),
desc.len() as i16,
&mut desc_ret);
ret
} & !1 == 0 {
println!("\t{:?}:{}:{}:{:?}",
CStr::from_ptr(name.as_ptr() as *const i8),
i,
native,
CStr::from_ptr(desc.as_ptr() as *const i8));
i += 1;
}
}
SQLFreeConnect(dbc);
SQLFreeEnv(env);
}
println!("BYE!");
}
}