コード例 #1
0
ファイル: client.c プロジェクト: jaylane/mysql2
/* call-seq:
 *    client.query(sql, options = {})
 *
 * Query the database with +sql+, with optional +options+.  For the possible
 * options, see default_query_options on the Mysql2::Client class.
 */
static VALUE rb_query(VALUE self, VALUE sql, VALUE current) {
#ifndef _WIN32
  struct async_query_args async_args;
#endif
  struct nogvl_send_query_args args;
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  args.mysql = wrapper->client;

  (void)RB_GC_GUARD(current);
  Check_Type(current, T_HASH);
  rb_iv_set(self, "@current_query_options", current);

  Check_Type(sql, T_STRING);
#ifdef HAVE_RUBY_ENCODING_H
  /* ensure the string is in the encoding the connection is expecting */
  args.sql = rb_str_export_to_enc(sql, rb_to_encoding(wrapper->encoding));
#else
  args.sql = sql;
#endif
  args.sql_ptr = RSTRING_PTR(args.sql);
  args.sql_len = RSTRING_LEN(args.sql);
  args.wrapper = wrapper;

  rb_mysql_client_set_active_thread(self);

#ifndef _WIN32
  rb_rescue2(do_send_query, (VALUE)&args, disconnect_and_raise, self, rb_eException, (VALUE)0);

  if (rb_hash_aref(current, sym_async) == Qtrue) {
    return Qnil;
  } else {
    async_args.fd = wrapper->client->net.fd;
    async_args.self = self;

    rb_rescue2(do_query, (VALUE)&async_args, disconnect_and_raise, self, rb_eException, (VALUE)0);

    return rb_mysql_client_async_result(self);
  }
#else
  do_send_query(&args);

  /* this will just block until the result is ready */
  return rb_ensure(rb_mysql_client_async_result, self, finish_and_mark_inactive, self);
#endif
}
コード例 #2
0
ファイル: client.c プロジェクト: notonthehighstreet/mysql2
/* call-seq:
 *    client.query(sql, options = {})
 *
 * Query the database with +sql+, with optional +options+.  For the possible
 * options, see @@default_query_options on the Mysql2::Client class.
 */
static VALUE rb_mysql_client_query(int argc, VALUE * argv, VALUE self) {
#ifndef _WIN32
  struct async_query_args async_args;
#endif
  struct nogvl_send_query_args args;
  int async = 0;
  VALUE opts, current;
  VALUE thread_current = rb_thread_current();
#ifdef HAVE_RUBY_ENCODING_H
  rb_encoding *conn_enc;
#endif
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  args.mysql = wrapper->client;

  current = rb_hash_dup(rb_iv_get(self, "@query_options"));
  RB_GC_GUARD(current);
  Check_Type(current, T_HASH);
  rb_iv_set(self, "@current_query_options", current);

  if (rb_scan_args(argc, argv, "11", &args.sql, &opts) == 2) {
    rb_funcall(current, intern_merge_bang, 1, opts);

    if (rb_hash_aref(current, sym_async) == Qtrue) {
      async = 1;
    }
  }

  Check_Type(args.sql, T_STRING);
#ifdef HAVE_RUBY_ENCODING_H
  conn_enc = rb_to_encoding(wrapper->encoding);
  /* ensure the string is in the encoding the connection is expecting */
  args.sql = rb_str_export_to_enc(args.sql, conn_enc);
#endif
  args.sql_ptr = RSTRING_PTR(args.sql);
  args.sql_len = RSTRING_LEN(args.sql);

  /* see if this connection is still waiting on a result from a previous query */
  if (NIL_P(wrapper->active_thread)) {
    /* mark this connection active */
    wrapper->active_thread = thread_current;
  } else if (wrapper->active_thread == thread_current) {
    rb_raise(cMysql2Error, "This connection is still waiting for a result, try again once you have the result");
  } else {
    VALUE inspect = rb_inspect(wrapper->active_thread);
    const char *thr = StringValueCStr(inspect);

    rb_raise(cMysql2Error, "This connection is in use by: %s", thr);
    RB_GC_GUARD(inspect);
  }

  args.wrapper = wrapper;

#ifndef _WIN32
  rb_rescue2(do_send_query, (VALUE)&args, disconnect_and_raise, self, rb_eException, (VALUE)0);

  if (!async) {
    async_args.fd = wrapper->client->net.fd;
    async_args.self = self;

    rb_rescue2(do_query, (VALUE)&async_args, disconnect_and_raise, self, rb_eException, (VALUE)0);

    return rb_mysql_client_async_result(self);
  } else {
    return Qnil;
  }
#else
  do_send_query(&args);

  /* this will just block until the result is ready */
  return rb_ensure(rb_mysql_client_async_result, self, finish_and_mark_inactive, self);
#endif
}
コード例 #3
0
ファイル: client.c プロジェクト: activewarehouse/mysql2
static VALUE rb_mysql_client_query(int argc, VALUE * argv, VALUE self) {
#ifndef _WIN32
  struct async_query_args async_args;
#endif
  struct nogvl_send_query_args args;
  int async = 0;
  VALUE opts, defaults;
#ifdef HAVE_RUBY_ENCODING_H
  rb_encoding *conn_enc;
#endif
  GET_CLIENT(self);

  REQUIRE_OPEN_DB(wrapper);
  args.mysql = wrapper->client;


  defaults = rb_iv_get(self, "@query_options");
  if (rb_scan_args(argc, argv, "11", &args.sql, &opts) == 2) {
    opts = rb_funcall(defaults, intern_merge, 1, opts);
    rb_iv_set(self, "@query_options", opts);

    if (rb_hash_aref(opts, sym_async) == Qtrue) {
      async = 1;
    }
  } else {
    opts = defaults;
  }

  Check_Type(args.sql, T_STRING);
#ifdef HAVE_RUBY_ENCODING_H
  conn_enc = rb_to_encoding(wrapper->encoding);
  // ensure the string is in the encoding the connection is expecting
  args.sql = rb_str_export_to_enc(args.sql, conn_enc);
#endif
  args.sql_ptr = StringValuePtr(args.sql);
  args.sql_len = RSTRING_LEN(args.sql);

  // see if this connection is still waiting on a result from a previous query
  if (wrapper->active == 0) {
    // mark this connection active
    wrapper->active = 1;
  } else {
    rb_raise(cMysql2Error, "This connection is still waiting for a result, try again once you have the result");
  }

  args.wrapper = wrapper;

#ifndef _WIN32
  rb_rescue2(do_send_query, (VALUE)&args, disconnect_and_raise, self, rb_eException, (VALUE)0);

  if (!async) {
    async_args.fd = wrapper->client->net.fd;
    async_args.self = self;

    rb_rescue2(do_query, (VALUE)&async_args, disconnect_and_raise, self, rb_eException, (VALUE)0);

    return rb_mysql_client_async_result(self);
  } else {
    return Qnil;
  }
#else
  do_send_query(&args);

  // this will just block until the result is ready
  return rb_ensure(rb_mysql_client_async_result, self, finish_and_mark_inactive, self);
#endif
}