Class: Mysql2::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/mysql2/client.rb,
ext/mysql2/client.c

Direct Known Subclasses

EM::Client

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Client

Returns a new instance of Client.

Raises:


21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/mysql2/client.rb', line 21

def initialize(opts = {})
  raise Mysql2::Error, "Options parameter must be a Hash" unless opts.is_a? Hash
  opts = Mysql2::Util.key_hash_as_symbols(opts)
  @read_timeout = nil
  @query_options = self.class.default_query_options.dup
  @query_options.merge! opts

  initialize_ext

  # Set default connect_timeout to avoid unlimited retries from signal interruption
  opts[:connect_timeout] = 120 unless opts.key?(:connect_timeout)

  # TODO: stricter validation rather than silent massaging
  %i[reconnect connect_timeout local_infile read_timeout write_timeout default_file default_group secure_auth init_command automatic_close enable_cleartext_plugin default_auth].each do |key|
    next unless opts.key?(key)
    case key
    when :reconnect, :local_infile, :secure_auth, :automatic_close, :enable_cleartext_plugin
      send(:"#{key}=", !!opts[key]) # rubocop:disable Style/DoubleNegation
    when :connect_timeout, :read_timeout, :write_timeout
      send(:"#{key}=", Integer(opts[key])) unless opts[key].nil?
    else
      send(:"#{key}=", opts[key])
    end
  end

  # force the encoding to utf8
  self.charset_name = opts[:encoding] || 'utf8'

  ssl_options = opts.values_at(:sslkey, :sslcert, :sslca, :sslcapath, :sslcipher)
  ssl_set(*ssl_options) if ssl_options.any? || opts.key?(:sslverify)
  self.ssl_mode = parse_ssl_mode(opts[:ssl_mode]) if opts[:ssl_mode]

  flags = case opts[:flags]
  when Array
    parse_flags_array(opts[:flags], @query_options[:connect_flags])
  when String
    parse_flags_array(opts[:flags].split(' '), @query_options[:connect_flags])
  when Integer
    @query_options[:connect_flags] | opts[:flags]
  else
    @query_options[:connect_flags]
  end

  # SSL verify is a connection flag rather than a mysql_ssl_set option
  flags |= SSL_VERIFY_SERVER_CERT if opts[:sslverify]

  if %i[user pass hostname dbname db sock].any? { |k| @query_options.key?(k) }
    warn "============= WARNING FROM mysql2 ============="
    warn "The options :user, :pass, :hostname, :dbname, :db, and :sock are deprecated and will be removed at some point in the future."
    warn "Instead, please use :username, :password, :host, :port, :database, :socket, :flags for the options."
    warn "============= END WARNING FROM mysql2 ========="
  end

  user     = opts[:username] || opts[:user]
  pass     = opts[:password] || opts[:pass]
  host     = opts[:host] || opts[:hostname]
  port     = opts[:port]
  database = opts[:database] || opts[:dbname] || opts[:db]
  socket   = opts[:socket] || opts[:sock]

  # Correct the data types before passing these values down to the C level
  user = user.to_s unless user.nil?
  pass = pass.to_s unless pass.nil?
  host = host.to_s unless host.nil?
  port = port.to_i unless port.nil?
  database = database.to_s unless database.nil?
  socket = socket.to_s unless socket.nil?
  conn_attrs = parse_connect_attrs(opts[:connect_attrs])

  connect user, pass, host, port, database, socket, flags, conn_attrs
end

Instance Attribute Details

#query_optionsObject (readonly)

Returns the value of attribute query_options


3
4
5
# File 'lib/mysql2/client.rb', line 3

def query_options
  @query_options
end

#read_timeoutObject (readonly)

Returns the value of attribute read_timeout


3
4
5
# File 'lib/mysql2/client.rb', line 3

def read_timeout
  @read_timeout
end

Class Method Details

.default_query_optionsObject


5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
# File 'lib/mysql2/client.rb', line 5

def self.default_query_options
  @default_query_options ||= {
    as: :hash,                   # the type of object you want each row back as; also supports :array (an array of values)
    async: false,                # don't wait for a result after sending the query, you'll have to monitor the socket yourself then eventually call Mysql2::Client#async_result
    cast_booleans: false,        # cast tinyint(1) fields as true/false in ruby
    symbolize_keys: false,       # return field names as symbols instead of strings
    database_timezone: :local,   # timezone Mysql2 will assume datetime objects are stored in
    application_timezone: nil,   # timezone Mysql2 will convert to before handing the object back to the caller
    cache_rows: true,            # tells Mysql2 to use its internal row cache for results
    connect_flags: REMEMBER_OPTIONS | LONG_PASSWORD | LONG_FLAG | TRANSACTIONS | PROTOCOL_41 | SECURE_CONNECTION | CONNECT_ATTRS,
    cast: true,
    default_file: nil,
    default_group: nil,
  }
end

.Mysql2::Client.escape(string) ⇒ Object

Escape string so that it may be used in a SQL statement. Note that this escape method is not connection encoding aware. If you need encoding support use Mysql2::Client#escape instead.


341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
# File 'ext/mysql2/client.c', line 341

static VALUE rb_mysql_client_escape(RB_MYSQL_UNUSED VALUE klass, VALUE str) {
  unsigned char *newStr;
  VALUE rb_str;
  unsigned long newLen, oldLen;

  Check_Type(str, T_STRING);

  oldLen = RSTRING_LEN(str);
  newStr = xmalloc(oldLen*2+1);

  newLen = mysql_escape_string((char *)newStr, RSTRING_PTR(str), oldLen);
  if (newLen == oldLen) {
    /* no need to return a new ruby string if nothing changed */
    xfree(newStr);
    return str;
  } else {
    rb_str = rb_str_new((const char*)newStr, newLen);
    rb_enc_copy(rb_str, str);
    xfree(newStr);
    return rb_str;
  }
}

.infoObject

Returns a string that represents the client library version.


952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
# File 'ext/mysql2/client.c', line 952

static VALUE rb_mysql_client_info(RB_MYSQL_UNUSED VALUE klass) {
  VALUE version_info, version, header_version;
  version_info = rb_hash_new();

  version = rb_str_new2(mysql_get_client_info());
  header_version = rb_str_new2(MYSQL_LINK_VERSION);

  rb_enc_associate(version, rb_usascii_encoding());
  rb_enc_associate(header_version, rb_usascii_encoding());

  rb_hash_aset(version_info, sym_id, LONG2NUM(mysql_get_client_version()));
  rb_hash_aset(version_info, sym_version, version);
  rb_hash_aset(version_info, sym_header_version, header_version);

  return version_info;
}

Instance Method Details

#abandon_results!Object

When using MULTI_STATEMENTS support, calling this will throw away any unprocessed results as fast as it can in order to put the connection back into a state where queries can be issued again.


735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
# File 'ext/mysql2/client.c', line 735

static VALUE rb_mysql_client_abandon_results(VALUE self) {
  MYSQL_RES *result;
  int ret;

  GET_CLIENT(self);

  while (mysql_more_results(wrapper->client) == 1) {
    ret = mysql_next_result(wrapper->client);
    if (ret > 0) {
      rb_raise_mysql2_error(wrapper);
    }

    result = (MYSQL_RES *)rb_thread_call_without_gvl(nogvl_store_result, wrapper, RUBY_UBF_IO, 0);

    if (result != NULL) {
      mysql_free_result(result);
    }
  }

  return Qnil;
}

#affected_rowsObject

returns the number of rows changed, deleted, or inserted by the last statement if it was an UPDATE, DELETE, or INSERT.


1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
# File 'ext/mysql2/client.c', line 1030

static VALUE rb_mysql_client_affected_rows(VALUE self) {
  my_ulonglong retVal;
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  retVal = mysql_affected_rows(wrapper->client);
  if (retVal == (my_ulonglong)-1) {
    rb_raise_mysql2_error(wrapper);
  }
  return ULL2NUM(retVal);
}

#async_resultObject

Returns the result for the last async issued query.


570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
# File 'ext/mysql2/client.c', line 570

static VALUE rb_mysql_client_async_result(VALUE self) {
  MYSQL_RES * result;
  VALUE resultObj;
  VALUE current, is_streaming;
  GET_CLIENT(self);

  /* if we're not waiting on a result, do nothing */
  if (NIL_P(wrapper->active_thread))
    return Qnil;

  REQUIRE_CONNECTED(wrapper);
  if ((VALUE)rb_thread_call_without_gvl(nogvl_read_query_result, wrapper->client, RUBY_UBF_IO, 0) == Qfalse) {
    /* an error occurred, mark this connection inactive */
    wrapper->active_thread = Qnil;
    rb_raise_mysql2_error(wrapper);
  }

  is_streaming = rb_hash_aref(rb_ivar_get(self, intern_current_query_options), sym_stream);
  if (is_streaming == Qtrue) {
    result = (MYSQL_RES *)rb_thread_call_without_gvl(nogvl_use_result, wrapper, RUBY_UBF_IO, 0);
  } else {
    result = (MYSQL_RES *)rb_thread_call_without_gvl(nogvl_store_result, wrapper, RUBY_UBF_IO, 0);
  }

  if (result == NULL) {
    if (mysql_errno(wrapper->client) != 0) {
      wrapper->active_thread = Qnil;
      rb_raise_mysql2_error(wrapper);
    }
    /* no data and no error, so query was not a SELECT */
    return Qnil;
  }

  // Duplicate the options hash and put the copy in the Result object
  current = rb_hash_dup(rb_ivar_get(self, intern_current_query_options));
  (void)RB_GC_GUARD(current);
  Check_Type(current, T_HASH);
  resultObj = rb_mysql_result_to_obj(self, wrapper->encoding, current, result, Qnil);

  rb_mysql_set_server_query_flags(wrapper->client, resultObj);

  return resultObj;
}

#automatic_close=(false) ⇒ Object

Set this to false to leave the connection open after it is garbage collected. To avoid “Aborted connection” errors on the server, explicitly call close when the connection is no longer needed.


1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
# File 'ext/mysql2/client.c', line 1224

static VALUE set_automatic_close(VALUE self, VALUE value) {
  GET_CLIENT(self);
  if (RTEST(value)) {
    wrapper->automatic_close = 1;
  } else {
#ifndef _WIN32
    wrapper->automatic_close = 0;
#else
    rb_warn("Connections are always closed by garbage collector on Windows");
#endif
  }
  return value;
}

#automatic_close?Boolean

Returns:

  • (Boolean)

1210
1211
1212
1213
# File 'ext/mysql2/client.c', line 1210

static VALUE get_automatic_close(VALUE self) {
  GET_CLIENT(self);
  return wrapper->automatic_close ? Qtrue : Qfalse;
}

#closenil

Immediately disconnect from the server; normally the garbage collector will disconnect automatically when a connection is no longer needed. Explicitly closing this will free up server resources sooner than waiting for the garbage collector.

Returns:

  • (nil)

482
483
484
485
486
487
488
489
490
# File 'ext/mysql2/client.c', line 482

static VALUE rb_mysql_client_close(VALUE self) {
  GET_CLIENT(self);

  if (wrapper->client) {
    rb_thread_call_without_gvl(nogvl_close, wrapper, RUBY_UBF_IO, 0);
  }

  return Qnil;
}

#closed?Boolean

Returns:

  • (Boolean)

497
498
499
500
# File 'ext/mysql2/client.c', line 497

static VALUE rb_mysql_client_closed(VALUE self) {
  GET_CLIENT(self);
  return CONNECTED(wrapper) ? Qfalse : Qtrue;
}

#encodingObject

Returns the encoding set on the client.


1200
1201
1202
1203
# File 'ext/mysql2/client.c', line 1200

static VALUE rb_mysql_client_encoding(VALUE self) {
  GET_CLIENT(self);
  return wrapper->encoding;
}

#escape(string) ⇒ Object

Escape string so that it may be used in a SQL statement.


812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
# File 'ext/mysql2/client.c', line 812

static VALUE rb_mysql_client_real_escape(VALUE self, VALUE str) {
  unsigned char *newStr;
  VALUE rb_str;
  unsigned long newLen, oldLen;
  rb_encoding *default_internal_enc;
  rb_encoding *conn_enc;
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  Check_Type(str, T_STRING);
  default_internal_enc = rb_default_internal_encoding();
  conn_enc = rb_to_encoding(wrapper->encoding);
  /* ensure the string is in the encoding the connection is expecting */
  str = rb_str_export_to_enc(str, conn_enc);

  oldLen = RSTRING_LEN(str);
  newStr = xmalloc(oldLen*2+1);

  newLen = mysql_real_escape_string(wrapper->client, (char *)newStr, RSTRING_PTR(str), oldLen);
  if (newLen == oldLen) {
    /* no need to return a new ruby string if nothing changed */
    if (default_internal_enc) {
      str = rb_str_export_to_enc(str, default_internal_enc);
    }
    xfree(newStr);
    return str;
  } else {
    rb_str = rb_str_new((const char*)newStr, newLen);
    rb_enc_associate(rb_str, conn_enc);
    if (default_internal_enc) {
      rb_str = rb_str_export_to_enc(rb_str, default_internal_enc);
    }
    xfree(newStr);
    return rb_str;
  }
}

#infoObject


143
144
145
# File 'lib/mysql2/client.rb', line 143

def info
  self.class.info
end

#last_idObject

Returns the value generated for an AUTO_INCREMENT column by the previous INSERT or UPDATE statement.


1018
1019
1020
1021
1022
# File 'ext/mysql2/client.c', line 1018

static VALUE rb_mysql_client_last_id(VALUE self) {
  GET_CLIENT(self);
  REQUIRE_CONNECTED(wrapper);
  return ULL2NUM(mysql_insert_id(wrapper->client));
}

#more_results?Boolean

Returns true or false if there are more results to process.

Returns:

  • (Boolean)

1133
1134
1135
1136
1137
1138
1139
1140
# File 'ext/mysql2/client.c', line 1133

static VALUE rb_mysql_client_more_results(VALUE self)
{
  GET_CLIENT(self);
  if (mysql_more_results(wrapper->client) == 0)
    return Qfalse;
  else
    return Qtrue;
}

#next_resultObject

Fetch the next result set from the server. Returns nothing.


1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
# File 'ext/mysql2/client.c', line 1148

static VALUE rb_mysql_client_next_result(VALUE self)
{
    int ret;
    GET_CLIENT(self);
    ret = mysql_next_result(wrapper->client);
    if (ret > 0) {
      rb_raise_mysql2_error(wrapper);
      return Qfalse;
    } else if (ret == 0) {
      return Qtrue;
    } else {
      return Qfalse;
    }
}

#parse_connect_attrs(conn_attrs) ⇒ Object

Set default program_name in performance_schema.session_connect_attrs and performance_schema.session_account_connect_attrs


120
121
122
123
124
125
126
127
# File 'lib/mysql2/client.rb', line 120

def parse_connect_attrs(conn_attrs)
  return {} if Mysql2::Client::CONNECT_ATTRS.zero?
  conn_attrs ||= {}
  conn_attrs[:program_name] ||= $PROGRAM_NAME
  conn_attrs.each_with_object({}) do |(key, value), hash|
    hash[key.to_s] = value.to_s
  end
end

#parse_flags_array(flags, initial = 0) ⇒ Object


104
105
106
107
108
109
110
111
112
113
114
115
116
# File 'lib/mysql2/client.rb', line 104

def parse_flags_array(flags, initial = 0)
  flags.reduce(initial) do |memo, f|
    fneg = f.start_with?('-') ? f[1..-1] : nil
    if fneg && fneg =~ /^\w+$/ && Mysql2::Client.const_defined?(fneg)
      memo & ~ Mysql2::Client.const_get(fneg)
    elsif f && f =~ /^\w+$/ && Mysql2::Client.const_defined?(f)
      memo | Mysql2::Client.const_get(f)
    else
      warn "Unknown MySQL connection flag: '#{f}'"
      memo
    end
  end
end

#parse_ssl_mode(mode) ⇒ Object


93
94
95
96
97
98
99
100
101
102
# File 'lib/mysql2/client.rb', line 93

def parse_ssl_mode(mode)
  m = mode.to_s.upcase
  if m.start_with?('SSL_MODE_')
    return Mysql2::Client.const_get(m) if Mysql2::Client.const_defined?(m)
  else
    x = 'SSL_MODE_' + m
    return Mysql2::Client.const_get(x) if Mysql2::Client.const_defined?(x)
  end
  warn "Unknown MySQL ssl_mode flag: #{mode}"
end

#pingObject

Checks whether the connection to the server is working. If the connection has gone down and auto-reconnect is enabled an attempt to reconnect is made. If the connection is down and auto-reconnect is disabled, ping returns an error.


1101
1102
1103
1104
1105
1106
1107
1108
1109
# File 'ext/mysql2/client.c', line 1101

static VALUE rb_mysql_client_ping(VALUE self) {
  GET_CLIENT(self);

  if (!CONNECTED(wrapper)) {
    return Qfalse;
  } else {
    return (VALUE)rb_thread_call_without_gvl(nogvl_ping, wrapper->client, RUBY_UBF_IO, 0);
  }
}

#prepare(sql) ⇒ Object

Create a new prepared statement.


1377
1378
1379
1380
1381
1382
# File 'ext/mysql2/client.c', line 1377

static VALUE rb_mysql_client_prepare_statement(VALUE self, VALUE sql) {
  GET_CLIENT(self);
  REQUIRE_CONNECTED(wrapper);

  return rb_mysql_stmt_new(self, sql);
}

#query(sql, options = {}) ⇒ Object


129
130
131
132
133
# File 'lib/mysql2/client.rb', line 129

def query(sql, options = {})
  Thread.handle_interrupt(::Mysql2::Util::TIMEOUT_ERROR_CLASS => :never) do
    _query(sql, @query_options.merge(options))
  end
end

#query_infoObject


135
136
137
138
139
140
141
# File 'lib/mysql2/client.rb', line 135

def query_info
  info = query_info_string
  return {} unless info
  info_hash = {}
  info.split.each_slice(2) { |s| info_hash[s[0].downcase.delete(':').to_sym] = s[1].to_i }
  info_hash
end

#query_info_stringObject


373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
# File 'ext/mysql2/client.c', line 373

static VALUE rb_mysql_info(VALUE self) {
  const char *info;
  VALUE rb_str;
  GET_CLIENT(self);

  info = mysql_info(wrapper->client);

  if (info == NULL) {
    return Qnil;
  }

  rb_str = rb_str_new2(info);
  rb_enc_associate(rb_str, rb_utf8_encoding());

  return rb_str;
}

#reconnect=(true) ⇒ Object

Enable or disable the automatic reconnect behavior of libmysql. Read dev.mysql.com/doc/refman/5.5/en/auto-reconnect.html for more information.


1245
1246
1247
# File 'ext/mysql2/client.c', line 1245

static VALUE set_reconnect(VALUE self, VALUE value) {
  return _mysql_client_options(self, MYSQL_OPT_RECONNECT, value);
}

#select_db(name) ⇒ Object

Causes the database specified by name to become the default (current) database on the connection specified by mysql.


1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
# File 'ext/mysql2/client.c', line 1071

static VALUE rb_mysql_client_select_db(VALUE self, VALUE db)
{
  struct nogvl_select_db_args args;

  GET_CLIENT(self);
  REQUIRE_CONNECTED(wrapper);

  args.mysql = wrapper->client;
  args.db = StringValueCStr(db);

  if (rb_thread_call_without_gvl(nogvl_select_db, &args, RUBY_UBF_IO, 0) == Qfalse)
    rb_raise_mysql2_error(wrapper);

  return db;
}

#server_infoObject

Returns a string that represents the server version number


974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
# File 'ext/mysql2/client.c', line 974

static VALUE rb_mysql_client_server_info(VALUE self) {
  VALUE version, server_info;
  rb_encoding *default_internal_enc;
  rb_encoding *conn_enc;
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  default_internal_enc = rb_default_internal_encoding();
  conn_enc = rb_to_encoding(wrapper->encoding);

  version = rb_hash_new();
  rb_hash_aset(version, sym_id, LONG2FIX(mysql_get_server_version(wrapper->client)));
  server_info = rb_str_new2(mysql_get_server_info(wrapper->client));
  rb_enc_associate(server_info, conn_enc);
  if (default_internal_enc) {
    server_info = rb_str_export_to_enc(server_info, default_internal_enc);
  }
  rb_hash_aset(version, sym_version, server_info);
  return version;
}

#set_server_option(value) ⇒ Object

Enables or disables an option for the connection. Read dev.mysql.com/doc/refman/5.7/en/mysql-set-server-option.html for more information.


1118
1119
1120
1121
1122
1123
1124
1125
1126
# File 'ext/mysql2/client.c', line 1118

static VALUE rb_mysql_client_set_server_option(VALUE self, VALUE value) {
  GET_CLIENT(self);

  if (mysql_set_server_option(wrapper->client, NUM2INT(value)) == 0) {
    return Qtrue;
  } else {
    return Qfalse;
  }
}

#socketObject


1007
1008
1009
# File 'ext/mysql2/client.c', line 1007

static VALUE rb_mysql_client_socket(RB_MYSQL_UNUSED VALUE self) {
  rb_raise(cMysql2Error, "Raw access to the mysql file descriptor isn't supported on Windows");
}

#ssl_cipherObject


390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
# File 'ext/mysql2/client.c', line 390

static VALUE rb_mysql_get_ssl_cipher(VALUE self)
{
  const char *cipher;
  VALUE rb_str;
  GET_CLIENT(self);

  cipher = mysql_get_ssl_cipher(wrapper->client);

  if (cipher == NULL) {
    return Qnil;
  }

  rb_str = rb_str_new2(cipher);
  rb_enc_associate(rb_str, rb_utf8_encoding());

  return rb_str;
}

#store_resultObject

Return the next result object from a query which yielded multiple result sets.


1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
# File 'ext/mysql2/client.c', line 1169

static VALUE rb_mysql_client_store_result(VALUE self)
{
  MYSQL_RES * result;
  VALUE resultObj;
  VALUE current;
  GET_CLIENT(self);

  result = (MYSQL_RES *)rb_thread_call_without_gvl(nogvl_store_result, wrapper, RUBY_UBF_IO, 0);

  if (result == NULL) {
    if (mysql_errno(wrapper->client) != 0) {
      rb_raise_mysql2_error(wrapper);
    }
    /* no data and no error, so query was not a SELECT */
    return Qnil;
  }

  // Duplicate the options hash and put the copy in the Result object
  current = rb_hash_dup(rb_ivar_get(self, intern_current_query_options));
  (void)RB_GC_GUARD(current);
  Check_Type(current, T_HASH);
  resultObj = rb_mysql_result_to_obj(self, wrapper->encoding, current, result, Qnil);

  return resultObj;
}

#thread_idObject

Returns the thread ID of the current connection.


1047
1048
1049
1050
1051
1052
1053
1054
# File 'ext/mysql2/client.c', line 1047

static VALUE rb_mysql_client_thread_id(VALUE self) {
  unsigned long retVal;
  GET_CLIENT(self);

  REQUIRE_CONNECTED(wrapper);
  retVal = mysql_thread_id(wrapper->client);
  return ULL2NUM(retVal);
}

#warning_countObject


364
365
366
367
368
369
370
371
# File 'ext/mysql2/client.c', line 364

static VALUE rb_mysql_client_warning_count(VALUE self) {
  unsigned int warning_count;
  GET_CLIENT(self);

  warning_count = mysql_warning_count(wrapper->client);

  return UINT2NUM(warning_count);
}