Class: Trilogy

Inherits:
Object
  • Object
show all
Includes:
Synchronization
Defined in:
lib/trilogy.rb,
lib/trilogy/error.rb,
lib/trilogy/result.rb,
lib/trilogy/version.rb,
lib/trilogy/encoding.rb

Defined Under Namespace

Modules: ConnectionError, DatabaseError, Encoding, Error, Synchronization, SyscallError Classes: AuthPluginError, BaseConnectionError, BaseError, CastError, ClientError, ConnectionClosed, EOFError, ProtocolError, QueryError, Result, SSLError, SynchronizationError, TimeoutError

Constant Summary collapse

ConnectionRefusedError = 
SyscallError::ECONNREFUSED
ConnectionResetError = 
SyscallError::ECONNRESET
VERSION = 
"2.12.4"
TLS_VERSION_10 = 
INT2NUM(TRILOGY_TLS_VERSION_10)
TLS_VERSION_11 = 
INT2NUM(TRILOGY_TLS_VERSION_11)
TLS_VERSION_12 = 
INT2NUM(TRILOGY_TLS_VERSION_12)
TLS_VERSION_13 = 
INT2NUM(TRILOGY_TLS_VERSION_13)
SSL_DISABLED = 
INT2NUM(TRILOGY_SSL_DISABLED)
SSL_VERIFY_IDENTITY = 
INT2NUM(TRILOGY_SSL_VERIFY_IDENTITY)
SSL_VERIFY_CA = 
INT2NUM(TRILOGY_SSL_VERIFY_CA)
SSL_REQUIRED_NOVERIFY = 
INT2NUM(TRILOGY_SSL_REQUIRED_NOVERIFY)
SSL_PREFERRED_NOVERIFY = 
INT2NUM(TRILOGY_SSL_PREFERRED_NOVERIFY)
QUERY_FLAGS_NONE = 
INT2NUM(0)
QUERY_FLAGS_CAST = 
INT2NUM(TRILOGY_FLAGS_CAST)
QUERY_FLAGS_CAST_BOOLEANS = 
INT2NUM(TRILOGY_FLAGS_CAST_BOOLEANS)
QUERY_FLAGS_CAST_ALL_DECIMALS_TO_BIGDECIMALS = 
INT2NUM(TRILOGY_FLAGS_CAST_ALL_DECIMALS_TO_BIGDECIMALS)
QUERY_FLAGS_LOCAL_TIMEZONE = 
INT2NUM(TRILOGY_FLAGS_LOCAL_TIMEZONE)
QUERY_FLAGS_FLATTEN_ROWS = 
INT2NUM(TRILOGY_FLAGS_FLATTEN_ROWS)
QUERY_FLAGS_DEFAULT = 
INT2NUM(TRILOGY_FLAGS_DEFAULT)

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Trilogy

Returns a new instance of Trilogy.



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
92
93
94
95
96
97
98
99
 
# File 'lib/trilogy.rb', line 43

def initialize(options = {})
  options[:port] = options[:port].to_i if options[:port]
  mysql_encoding = options[:encoding] || "utf8mb4"
  encoding = Trilogy::Encoding.find(mysql_encoding)
  charset = Trilogy::Encoding.charset(mysql_encoding)
  @connection_options = options
  @connected_host = nil

  socket = nil
  begin
    if host = options[:host]
      port = options[:port] || 3306
      connect_timeout = options[:connect_timeout] || options[:write_timeout]

      socket = TCPSocket.new(host, port, connect_timeout: connect_timeout)

      socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)

      if keepalive_enabled = options[:keepalive_enabled]
        keepalive_idle = options[:keepalive_idle]
        keepalive_interval = options[:keepalive_interval]
        keepalive_count = options[:keepalive_count]

        socket.setsockopt(Socket::SOL_SOCKET, Socket::SO_KEEPALIVE, true)

        if keepalive_idle > 0 && defined?(Socket::TCP_KEEPIDLE)
          socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_KEEPIDLE, keepalive_idle)
        end
        if keepalive_interval > 0 && defined?(Socket::TCP_KEEPINTVL)
          socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_KEEPINTVL, keepalive_interval)
        end
        if keepalive_count > 0 && defined?(Socket::TCP_KEEPCNT)
          socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_KEEPCNT, keepalive_count)
        end
      end
    else
      path = options[:socket] ||= "/tmp/mysql.sock"
      socket = UNIXSocket.new(path)
    end
  rescue Errno::ETIMEDOUT, IO_TIMEOUT_ERROR => e
    raise Trilogy::TimeoutError, e.message
  rescue SocketError => e
    connection_str = host ? "#{host}:#{port}" : path
    raise Trilogy::BaseConnectionError, "unable to connect to \"#{connection_str}\": #{e.message}"
  rescue => e
    if e.respond_to?(:errno)
      raise Trilogy::SyscallError.from_errno(e.errno, e.message)
    else
      raise
    end
  end

  _connect(socket, encoding, charset, options)
ensure
  # Socket's fd will be dup'd in C
  socket&.close
end

Instance Method Details

#abandon_results! ⇒ Object 



1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
 
# File 'ext/trilogy-ruby/cext.c', line 1096

static VALUE rb_trilogy_abandon_results(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    long count = 0;
    while (ctx->conn.server_status & TRILOGY_SERVER_STATUS_MORE_RESULTS_EXISTS) {
        count++;
        int rc = trilogy_drain_results(&ctx->conn);
        while (rc == TRILOGY_AGAIN) {
            rc = trilogy_sock_wait_read(ctx->conn.socket);
            if (rc != TRILOGY_OK) {
                handle_trilogy_error(ctx, rc, "trilogy_sock_wait_read");
            }

            rc = trilogy_drain_results(&ctx->conn);
        }

        if (rc != TRILOGY_OK) {
            handle_trilogy_error(ctx, rc, "trilogy_drain_results");
        }
    }

    return LONG2NUM(count);
}

#affected_rows ⇒ Object 



1294
 
# File 'ext/trilogy-ruby/cext.c', line 1294

static VALUE rb_trilogy_affected_rows(VALUE self) { return ULL2NUM(get_open_ctx(self)->conn.affected_rows); }

#change_db(database) ⇒ Object Also known as: select_db 



782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
 
# File 'ext/trilogy-ruby/cext.c', line 782

static VALUE rb_trilogy_change_db(VALUE self, VALUE database)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    StringValue(database);

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_change_db_send(&ctx->conn, RSTRING_PTR(database), RSTRING_LEN(database));

    if (rc == TRILOGY_AGAIN) {
        rc = flush_writes(ctx);
    }

    if (rc != TRILOGY_OK) {
        handle_trilogy_error(ctx, rc, "trilogy_change_db_send");
    }

    while (1) {
        rc = trilogy_change_db_recv(&ctx->conn);

        if (rc == TRILOGY_OK) {
            break;
        }

        if (rc != TRILOGY_AGAIN) {
            handle_trilogy_error(ctx, rc, "trilogy_change_db_recv");
        }

        rc = trilogy_sock_wait_read(ctx->conn.socket);
        if (rc != TRILOGY_OK) {
            handle_trilogy_error(ctx, rc, "trilogy_change_db_recv");
        }
    }

    rb_trilogy_release_buffer(ctx);

    return Qtrue;
}

#check ⇒ Object 



1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
 
# File 'ext/trilogy-ruby/cext.c', line 1262

static VALUE rb_trilogy_check(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    int rc = trilogy_sock_check(ctx->conn.socket);
    if (rc != TRILOGY_OK && rc != TRILOGY_AGAIN) {
        handle_trilogy_error(ctx, rc, "trilogy_sock_check");
    }
    return Qtrue;
}

#close ⇒ Object 



1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
 
# File 'ext/trilogy-ruby/cext.c', line 1209

static VALUE rb_trilogy_close(VALUE self)
{
    struct trilogy_ctx *ctx = get_ctx(self);

    if (ctx->conn.socket == NULL) {
        return Qnil;
    }

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_close_send(&ctx->conn);

    if (rc == TRILOGY_AGAIN) {
        rc = flush_writes(ctx);
    }

    if (rc == TRILOGY_OK) {
        while (1) {
            rc = trilogy_close_recv(&ctx->conn);

            if (rc != TRILOGY_AGAIN) {
                break;
            }

            if (trilogy_sock_wait_read(ctx->conn.socket) < 0) {
                // timed out
                break;
            }
        }
    }

    // We aren't checking or raising errors here (we need close to always close the socket and free the connection), so
    // we must clear any SSL errors left in the queue from a read/write.
    ERR_clear_error();

    rb_trilogy_release_buffer(ctx);

    trilogy_free(&ctx->conn);

    return Qnil;
}

#closed? ⇒ Boolean

Returns:

  • (Boolean) 


1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
 
# File 'ext/trilogy-ruby/cext.c', line 1251

static VALUE rb_trilogy_closed(VALUE self)
{
    struct trilogy_ctx *ctx = get_ctx(self);

    if (ctx->conn.socket == NULL) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#connected_host ⇒ Object 



119
120
121
 
# File 'lib/trilogy.rb', line 119

def connected_host
  @connected_host ||= query_with_flags("select @@hostname", query_flags | QUERY_FLAGS_FLATTEN_ROWS).rows.first
end

#connection_options ⇒ Object 



101
102
103
 
# File 'lib/trilogy.rb', line 101

def connection_options
  @connection_options.dup.freeze
end

#discard! ⇒ Object 



1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
 
# File 'ext/trilogy-ruby/cext.c', line 1273

static VALUE rb_trilogy_discard(VALUE self)
{
    struct trilogy_ctx *ctx = get_ctx(self);

    if (ctx->conn.socket == NULL) {
        return Qtrue;
    }

    int rc = trilogy_discard(&ctx->conn);
    switch (rc) {
        case TRILOGY_OK:
            return Qtrue;
        case TRILOGY_SYSERR:
            trilogy_syserr_fail_str(errno, rb_str_new_cstr("Failed to discard connection"));
            UNREACHABLE_RETURN(Qfalse);
    }
    return Qfalse;
}

#escape(str) ⇒ Object 



1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
 
# File 'ext/trilogy-ruby/cext.c', line 1180

static VALUE rb_trilogy_escape(VALUE self, VALUE str)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);
    rb_encoding *str_enc = rb_enc_get(str);

    StringValue(str);

    if (!rb_enc_asciicompat(str_enc)) {
        rb_raise(rb_eEncCompatError, "input string must be ASCII-compatible");
    }

    const char *escaped_str;
    size_t escaped_len;

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_escape(&ctx->conn, RSTRING_PTR(str), RSTRING_LEN(str), &escaped_str, &escaped_len);

    if (rc < 0) {
        handle_trilogy_error(ctx, rc, "trilogy_escape");
    }

    VALUE escaped_string = rb_enc_str_new(escaped_str, escaped_len, str_enc);

    rb_trilogy_release_buffer(ctx);

    return escaped_string;
}

#in_transaction? ⇒ Boolean

Returns:

  • (Boolean) 


105
106
107
 
# File 'lib/trilogy.rb', line 105

def in_transaction?
  (server_status & SERVER_STATUS_IN_TRANS) != 0
end

#last_gtid ⇒ Object 



1298
1299
1300
1301
1302
1303
1304
1305
1306
 
# File 'ext/trilogy-ruby/cext.c', line 1298

static VALUE rb_trilogy_last_gtid(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);
    if (ctx->conn.last_gtid_len > 0) {
        return rb_str_new(ctx->conn.last_gtid, ctx->conn.last_gtid_len);
    } else {
        return Qnil;
    }
}

#last_insert_id ⇒ Object 



1292
 
# File 'ext/trilogy-ruby/cext.c', line 1292

static VALUE rb_trilogy_last_insert_id(VALUE self) { return ULL2NUM(get_open_ctx(self)->conn.last_insert_id); }

#more_results_exist? ⇒ Boolean

Returns:

  • (Boolean) 


1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
 
# File 'ext/trilogy-ruby/cext.c', line 1085

static VALUE rb_trilogy_more_results_exist(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    if (ctx->conn.server_status & TRILOGY_SERVER_STATUS_MORE_RESULTS_EXISTS) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#next_result ⇒ Object 



1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
 
# File 'ext/trilogy-ruby/cext.c', line 1074

static VALUE rb_trilogy_next_result(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    if (!(ctx->conn.server_status & TRILOGY_SERVER_STATUS_MORE_RESULTS_EXISTS)) {
        return Qnil;
    }

    return execute_read_query_response(ctx);
}

#ping ⇒ Object 



1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
 
# File 'ext/trilogy-ruby/cext.c', line 1143

static VALUE rb_trilogy_ping(VALUE self)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_ping_send(&ctx->conn);

    if (rc == TRILOGY_AGAIN) {
        rc = flush_writes(ctx);
    }

    if (rc < 0) {
        handle_trilogy_error(ctx, rc, "trilogy_ping_send");
    }

    while (1) {
        rc = trilogy_ping_recv(&ctx->conn);

        if (rc == TRILOGY_OK) {
            break;
        }

        if (rc != TRILOGY_AGAIN) {
            handle_trilogy_error(ctx, rc, "trilogy_ping_recv");
        }

        rc = trilogy_sock_wait_read(ctx->conn.socket);
        if (rc != TRILOGY_OK) {
            handle_trilogy_error(ctx, rc, "trilogy_ping_recv");
        }
    }

    rb_trilogy_release_buffer(ctx);
    return Qtrue;
}

#query(query) ⇒ Object 



1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
 
# File 'ext/trilogy-ruby/cext.c', line 1121

static VALUE rb_trilogy_query(VALUE self, VALUE query)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    StringValue(query);
    query = rb_str_export_to_enc(query, ctx->encoding);

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_query_send(&ctx->conn, RSTRING_PTR(query), RSTRING_LEN(query));

    if (rc == TRILOGY_AGAIN) {
        rc = flush_writes(ctx);
    }

    if (rc < 0) {
        handle_trilogy_error(ctx, rc, "trilogy_query_send");
    }

    return execute_read_query_response(ctx);
}

#query_flags ⇒ Object 



1308
 
# File 'ext/trilogy-ruby/cext.c', line 1308

static VALUE rb_trilogy_query_flags(VALUE self) { return UINT2NUM(get_ctx(self)->query_flags); }

#query_flags=(query_flags) ⇒ Object 



1310
1311
1312
1313
 
# File 'ext/trilogy-ruby/cext.c', line 1310

static VALUE rb_trilogy_query_flags_set(VALUE self, VALUE query_flags)
{
    return get_ctx(self)->query_flags = NUM2UINT(query_flags);
}

#query_with_flags(sql, flags) ⇒ Object 



123
124
125
126
127
128
129
130
 
# File 'lib/trilogy.rb', line 123

def query_with_flags(sql, flags)
  old_flags = query_flags
  self.query_flags = flags

  query(sql)
ensure
  self.query_flags = old_flags
end

#read_timeout ⇒ Object 



1315
1316
1317
1318
 
# File 'ext/trilogy-ruby/cext.c', line 1315

static VALUE rb_trilogy_read_timeout(VALUE self) {
    struct trilogy_ctx *ctx = get_open_ctx(self);
    return DBL2NUM(timeval_to_double(ctx->conn.socket->opts.read_timeout));
}

#read_timeout=(read_timeout) ⇒ Object 



1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
 
# File 'ext/trilogy-ruby/cext.c', line 1320

static VALUE rb_trilogy_read_timeout_set(VALUE self, VALUE read_timeout)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);
    if (read_timeout == Qnil) {
        ctx->conn.socket->opts.read_timeout = double_to_timeval(0.0);
    } else {
        ctx->conn.socket->opts.read_timeout = double_to_timeval(NUM2DBL(read_timeout));
    }
    return read_timeout;
}

#server_info ⇒ Object 



109
110
111
112
113
114
115
116
117
 
# File 'lib/trilogy.rb', line 109

def server_info
  version_str = server_version

  if /\A(\d+)\.(\d+)\.(\d+)/ =~ version_str
    version_num = ($1.to_i * 10000) + ($2.to_i * 100) + $3.to_i
  end

  { :version => version_str, :id => version_num }
end

#server_status ⇒ Object 



1347
 
# File 'ext/trilogy-ruby/cext.c', line 1347

static VALUE rb_trilogy_server_status(VALUE self) { return LONG2FIX(get_open_ctx(self)->conn.server_status); }

#server_version ⇒ Object 



1349
 
# File 'ext/trilogy-ruby/cext.c', line 1349

static VALUE rb_trilogy_server_version(VALUE self) { return rb_str_new_cstr(get_open_ctx(self)->server_version); }

#set_server_option(option) ⇒ Object 



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
848
849
850
851
852
853
854
855
856
857
858
 
# File 'ext/trilogy-ruby/cext.c', line 822

static VALUE rb_trilogy_set_server_option(VALUE self, VALUE option)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);

    rb_trilogy_acquire_buffer(ctx);

    int rc = trilogy_set_option_send(&ctx->conn, NUM2INT(option));

    if (rc == TRILOGY_AGAIN) {
        rc = flush_writes(ctx);
    }

    if (rc != TRILOGY_OK) {
        handle_trilogy_error(ctx, rc, "trilogy_set_option_send");
    }

    while (1) {
        rc = trilogy_set_option_recv(&ctx->conn);

        if (rc == TRILOGY_OK) {
            break;
        }

        if (rc != TRILOGY_AGAIN) {
            handle_trilogy_error(ctx, rc, "trilogy_set_option_recv");
        }

        rc = trilogy_sock_wait_read(ctx->conn.socket);
        if (rc != TRILOGY_OK) {
            handle_trilogy_error(ctx, rc, "trilogy_set_option_recv");
        }
    }

    rb_trilogy_release_buffer(ctx);

    return Qtrue;
}

#warning_count ⇒ Object 



1296
 
# File 'ext/trilogy-ruby/cext.c', line 1296

static VALUE rb_trilogy_warning_count(VALUE self) { return UINT2NUM(get_open_ctx(self)->conn.warning_count); }

#write_timeout ⇒ Object 



1331
1332
1333
1334
 
# File 'ext/trilogy-ruby/cext.c', line 1331

static VALUE rb_trilogy_write_timeout(VALUE self) {
    struct trilogy_ctx *ctx = get_open_ctx(self);
    return DBL2NUM(timeval_to_double(ctx->conn.socket->opts.write_timeout));
}

#write_timeout=(write_timeout) ⇒ Object 



1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
 
# File 'ext/trilogy-ruby/cext.c', line 1336

static VALUE rb_trilogy_write_timeout_set(VALUE self, VALUE write_timeout)
{
    struct trilogy_ctx *ctx = get_open_ctx(self);
    if (write_timeout == Qnil) {
        ctx->conn.socket->opts.write_timeout = double_to_timeval(0.0);
    } else {
        ctx->conn.socket->opts.write_timeout = double_to_timeval(NUM2DBL(write_timeout));
    }
    return write_timeout;
}