#include <sqlite3.h>
`}
+redef class Sys
+ # Last error raised when calling `Sqlite3::open`
+ var sqlite_open_error: nullable Sqlite3Code = null
+end
+
extern class Sqlite3Code `{int`}
new ok `{ return SQLITE_OK; `} # 0 /* Successful result */
- fun is_ok: Bool `{ return recv == SQLITE_OK; `}
+ fun is_ok: Bool `{ return self == SQLITE_OK; `}
# new `{ return SQLITE_ERROR; `} # 1 /* SQL error or missing database */
# new `{ return SQLITE_INTERNAL; `} # 2 /* Internal logic error in SQLite */
# new `{ return SQLITE_WARNING; `} # 28 /* Warnings from sqlite3_log() */
new row `{ return SQLITE_ROW; `} # 100 /* sqlite3_step() has another row ready */
- fun is_row: Bool `{ return recv == SQLITE_ROW; `}
+ fun is_row: Bool `{ return self == SQLITE_ROW; `}
new done `{ return SQLITE_DONE; `} # 101 /* sqlite3_step() has finished executing */
- fun is_done: Bool `{ return recv == SQLITE_DONE; `}
+ fun is_done: Bool `{ return self == SQLITE_DONE; `}
- redef fun to_s: String import NativeString.to_s `{
+ redef fun to_s import NativeString.to_s `{
#if SQLITE_VERSION_NUMBER >= 3007015
- char *err = (char *)sqlite3_errstr(recv);
+ char *err = (char *)sqlite3_errstr(self);
#else
char *err = "sqlite3_errstr supported only by version >= 3.7.15";
#endif
# Evaluate the statement
fun step: Sqlite3Code `{
- return sqlite3_step(recv);
+ return sqlite3_step(self);
`}
fun column_name(i: Int) : String import NativeString.to_s `{
- const char * name = (sqlite3_column_name(recv, i));
+ const char * name = (sqlite3_column_name(self, i));
if(name == NULL){
name = "";
}
# Number of bytes in the blob or string at row `i`
fun column_bytes(i: Int) : Int `{
- return sqlite3_column_bytes(recv, i);
+ return sqlite3_column_bytes(self, i);
`}
fun column_double(i: Int) : Float `{
- return sqlite3_column_double(recv, i);
+ return sqlite3_column_double(self, i);
`}
fun column_int(i: Int) : Int `{
- return sqlite3_column_int(recv, i);
+ return sqlite3_column_int(self, i);
`}
- fun column_text(i: Int) : String import NativeString.to_s `{
- char * ret = (char *) sqlite3_column_text(recv, i);
- if( ret == NULL ){
- ret = "";
- }
- return NativeString_to_s(ret);
+ fun column_text(i: Int): NativeString `{
+ return (char *)sqlite3_column_text(self, i);
`}
# Type of the entry at row `i`
fun column_type(i: Int): DataType `{
- return sqlite3_column_type(recv, i);
+ return sqlite3_column_type(self, i);
`}
- fun column_blob(i: Int): Pointer `{ return (void*)sqlite3_column_blob(recv, i); `}
+ fun column_blob(i: Int): Pointer `{ return (void*)sqlite3_column_blob(self, i); `}
fun column_count: Int `{
- return sqlite3_column_count(recv);
+ return sqlite3_column_count(self);
`}
# Reset this statement to its original state, to be reexecuted
- fun reset: Sqlite3Code `{ return sqlite3_reset(recv); `}
+ fun reset: Sqlite3Code `{ return sqlite3_reset(self); `}
# Delete this statement
- fun finalize: Sqlite3Code `{ return sqlite3_finalize(recv); `}
+ fun finalize: Sqlite3Code `{ return sqlite3_finalize(self); `}
end
# A database connection
extern class NativeSqlite3 `{sqlite3 *`}
# Open a connection to a database in UTF-8
- new open(filename: String) import String.to_cstring `{
+ new open(filename: String) import String.to_cstring, set_sys_sqlite_open_error `{
sqlite3 *self = NULL;
- sqlite3_open(String_to_cstring(filename), &self);
+ int err = sqlite3_open(String_to_cstring(filename), &self);
+ NativeSqlite3_set_sys_sqlite_open_error(self, (void*)(long)err);
+ // The previous cast is a hack, using non pointers in extern classes is not
+ // yet in the spec of the FFI.
return self;
`}
+ # Utility method to set `Sys.sqlite_open_error`
+ private fun set_sys_sqlite_open_error(err: Sqlite3Code) do sys.sqlite_open_error = err
+
# Has this DB been correctly opened?
#
# To know if it has been closed or interrupted, you must check for errors with `error`.
fun destroy do close
# Close this connection
- fun close `{ sqlite3_close_v2(recv); `}
+ fun close `{
+#if SQLITE_VERSION_NUMBER >= 3007014
+ sqlite3_close_v2(self);
+#else
+ // A program using the older version should not rely on the garbage-collector
+ // to close its connections. They must be closed manually after the associated
+ // prepare statements have been finalized.
+ sqlite3_close(self);
+#endif
+ `}
# Execute a SQL statement
fun exec(sql: String): Sqlite3Code import String.to_cstring `{
- return sqlite3_exec(recv, String_to_cstring(sql), 0, 0, 0);
+ return sqlite3_exec(self, String_to_cstring(sql), 0, 0, 0);
`}
# Prepare a SQL statement
fun prepare(sql: String): nullable NativeStatement import String.to_cstring, NativeStatement.as nullable `{
sqlite3_stmt *stmt;
- int res = sqlite3_prepare_v2(recv, String_to_cstring(sql), -1, &stmt, 0);
+ int res = sqlite3_prepare_v2(self, String_to_cstring(sql), -1, &stmt, 0);
if (res == SQLITE_OK)
return NativeStatement_as_nullable(stmt);
else
`}
fun last_insert_rowid: Int `{
- return sqlite3_last_insert_rowid(recv);
+ return sqlite3_last_insert_rowid(self);
`}
fun error: Sqlite3Code `{
- return sqlite3_errcode(recv);
+ return sqlite3_errcode(self);
`}
end
# Sqlite data types
extern class DataType `{ int `}
- fun is_integer: Bool `{ return recv == SQLITE_INTEGER; `}
- fun is_float: Bool `{ return recv == SQLITE_FLOAT; `}
- fun is_blob: Bool `{ return recv == SQLITE_BLOB; `}
- fun is_null: Bool `{ return recv == SQLITE_NULL; `}
- fun is_text: Bool `{ return recv == SQLITE_TEXT; `}
+ fun is_integer: Bool `{ return self == SQLITE_INTEGER; `}
+ fun is_float: Bool `{ return self == SQLITE_FLOAT; `}
+ fun is_blob: Bool `{ return self == SQLITE_BLOB; `}
+ fun is_null: Bool `{ return self == SQLITE_NULL; `}
+ fun is_text: Bool `{ return self == SQLITE_TEXT; `}
- fun to_i: Int `{ return recv; `}
+ fun to_i: Int `{ return self; `}
end
nitlanguage / nit.git / blobdiff