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noMangleSql .urp directive
author Adam Chlipala <adam@chlipala.net>
date Sat, 04 Jan 2014 19:02:14 -0500
parents 6745eafff617
children 1802eb00a0ae
rev   line source
adam@1295 1 (* Copyright (c) 2009-2010, Adam Chlipala
adamc@866 2 * All rights reserved.
adamc@866 3 *
adamc@866 4 * Redistribution and use in source and binary forms, with or without
adamc@866 5 * modification, are permitted provided that the following conditions are met:
adamc@866 6 *
adamc@866 7 * - Redistributions of source code must retain the above copyright notice,
adamc@866 8 * this list of conditions and the following disclaimer.
adamc@866 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@866 10 * this list of conditions and the following disclaimer in the documentation
adamc@866 11 * and/or other materials provided with the distribution.
adamc@866 12 * - The names of contributors may not be used to endorse or promote products
adamc@866 13 * derived from this software without specific prior written permission.
adamc@866 14 *
adamc@866 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@866 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@866 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@866 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adam@1682 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@866 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@866 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@866 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@866 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@866 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@866 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@866 26 *)
adamc@866 27
adamc@866 28 structure MySQL :> MYSQL = struct
adamc@866 29
adamc@866 30 open Settings
adamc@866 31 open Print.PD
adamc@866 32 open Print
adamc@866 33
adamc@873 34 fun p_sql_type t =
adamc@873 35 case t of
adamc@873 36 Int => "bigint"
adamc@873 37 | Float => "double"
adamc@873 38 | String => "longtext"
adamc@1011 39 | Char => "char"
adamc@873 40 | Bool => "bool"
adamc@873 41 | Time => "timestamp"
adamc@873 42 | Blob => "longblob"
adamc@873 43 | Channel => "bigint"
adamc@873 44 | Client => "int"
adamc@873 45 | Nullable t => p_sql_type t
adamc@873 46
adamc@873 47 fun p_buffer_type t =
adamc@873 48 case t of
adamc@873 49 Int => "MYSQL_TYPE_LONGLONG"
adamc@873 50 | Float => "MYSQL_TYPE_DOUBLE"
adamc@873 51 | String => "MYSQL_TYPE_STRING"
adamc@1013 52 | Char => "MYSQL_TYPE_STRING"
adamc@873 53 | Bool => "MYSQL_TYPE_LONG"
adamc@938 54 | Time => "MYSQL_TYPE_TIMESTAMP"
adamc@873 55 | Blob => "MYSQL_TYPE_BLOB"
adamc@873 56 | Channel => "MYSQL_TYPE_LONGLONG"
adamc@873 57 | Client => "MYSQL_TYPE_LONG"
adamc@873 58 | Nullable t => p_buffer_type t
adamc@873 59
adamc@874 60 fun p_sql_type_base t =
adamc@874 61 case t of
adamc@874 62 Int => "bigint"
adamc@874 63 | Float => "double"
adamc@874 64 | String => "longtext"
adamc@1011 65 | Char => "char"
adamc@874 66 | Bool => "tinyint"
adamc@874 67 | Time => "timestamp"
adamc@874 68 | Blob => "longblob"
adamc@874 69 | Channel => "bigint"
adamc@874 70 | Client => "int"
adamc@874 71 | Nullable t => p_sql_type_base t
adamc@874 72
adamc@874 73 val ident = String.translate (fn #"'" => "PRIME"
adamc@874 74 | ch => str ch)
adamc@874 75
adamc@874 76 fun checkRel (table, checkNullable) (s, xts) =
adamc@874 77 let
adamc@874 78 val sl = CharVector.map Char.toLower s
adam@1953 79 val sl = if size sl > 1 andalso String.sub (sl, 0) = #"\"" then
adam@1953 80 String.substring (sl, 1, size sl - 2)
adam@1953 81 else
adam@1953 82 sl
adam@1953 83 val both = "LOWER(table_name) = ('" ^ sl ^ "')"
adamc@874 84
adamc@998 85 val q = "SELECT COUNT(*) FROM information_schema." ^ table ^ " WHERE " ^ both
adamc@874 86
adamc@998 87 val q' = String.concat ["SELECT COUNT(*) FROM information_schema.columns WHERE ",
adamc@998 88 both,
adamc@998 89 " AND (",
adam@1600 90 case String.concatWith " OR "
adam@1600 91 (map (fn (x, t) =>
adam@1953 92 String.concat ["(LOWER(column_name) = '",
adam@1953 93 Settings.mangleSqlCatalog
adam@1953 94 (CharVector.map
adam@1953 95 Char.toLower (ident x)),
adam@1953 96 "' AND data_type ",
adam@1953 97 case p_sql_type_base t of
adam@1953 98 "bigint" =>
adam@1953 99 "IN ('bigint', 'int')"
adam@1953 100 | "longtext" =>
adam@1953 101 "IN ('longtext', 'varchar')"
adam@1953 102 | s => "= '" ^ s ^ "'",
adam@1600 103 if checkNullable then
adam@1600 104 (" AND is_nullable = '"
adam@1600 105 ^ (if isNotNull t then
adam@1600 106 "NO"
adam@1600 107 else
adam@1600 108 "YES")
adam@1600 109 ^ "'")
adam@1600 110 else
adam@1600 111 "",
adam@1600 112 ")"]) xts) of
adam@1600 113 "" => "FALSE"
adam@1600 114 | s => s,
adamc@874 115 ")"]
adamc@874 116
adamc@998 117 val q'' = String.concat ["SELECT COUNT(*) FROM information_schema.columns WHERE ",
adamc@998 118 both,
adam@1953 119 " AND LOWER(column_name) LIKE '", Settings.mangleSqlCatalog "%'"]
adamc@874 120 in
adamc@874 121 box [string "if (mysql_query(conn->conn, \"",
adamc@874 122 string q,
adamc@874 123 string "\")) {",
adamc@874 124 newline,
adamc@874 125 box [string "mysql_close(conn->conn);",
adamc@874 126 newline,
adamc@874 127 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@874 128 string q,
adamc@874 129 string "\");",
adamc@874 130 newline],
adamc@874 131 string "}",
adamc@874 132 newline,
adamc@874 133 newline,
adamc@874 134
adamc@874 135 string "if ((res = mysql_store_result(conn->conn)) == NULL) {",
adamc@874 136 newline,
adamc@874 137 box [string "mysql_free_result(res);",
adamc@874 138 newline,
adamc@874 139 string "mysql_close(conn->conn);",
adamc@874 140 newline,
adamc@874 141 string "uw_error(ctx, FATAL, \"Result store failed:\\n",
adamc@874 142 string q,
adamc@874 143 string "\");",
adamc@874 144 newline],
adamc@874 145 string "}",
adamc@874 146 newline,
adamc@874 147 newline,
adamc@874 148
adamc@874 149 string "if (mysql_num_fields(res) != 1) {",
adamc@874 150 newline,
adamc@874 151 box [string "mysql_free_result(res);",
adamc@874 152 newline,
adamc@874 153 string "mysql_close(conn->conn);",
adamc@874 154 newline,
adamc@874 155 string "uw_error(ctx, FATAL, \"Bad column count:\\n",
adamc@874 156 string q,
adamc@874 157 string "\");",
adamc@874 158 newline],
adamc@874 159 string "}",
adamc@874 160 newline,
adamc@874 161 newline,
adamc@874 162
adamc@874 163 string "if ((row = mysql_fetch_row(res)) == NULL) {",
adamc@874 164 newline,
adamc@874 165 box [string "mysql_free_result(res);",
adamc@874 166 newline,
adamc@874 167 string "mysql_close(conn->conn);",
adamc@874 168 newline,
adamc@874 169 string "uw_error(ctx, FATAL, \"Row fetch failed:\\n",
adamc@874 170 string q,
adamc@874 171 string "\");",
adamc@874 172 newline],
adamc@874 173 string "}",
adamc@874 174 newline,
adamc@874 175 newline,
adamc@874 176
adamc@874 177 string "if (strcmp(row[0], \"1\")) {",
adamc@874 178 newline,
adamc@874 179 box [string "mysql_free_result(res);",
adamc@874 180 newline,
adamc@874 181 string "mysql_close(conn->conn);",
adamc@874 182 newline,
adamc@874 183 string "uw_error(ctx, FATAL, \"Table '",
adam@1953 184 string sl,
adamc@874 185 string "' does not exist.\");",
adamc@874 186 newline],
adamc@874 187 string "}",
adamc@874 188 newline,
adamc@874 189 newline,
adamc@874 190 string "mysql_free_result(res);",
adamc@874 191 newline,
adamc@874 192 newline,
adamc@874 193
adamc@874 194 string "if (mysql_query(conn->conn, \"",
adamc@874 195 string q',
adamc@874 196 string "\")) {",
adamc@874 197 newline,
adamc@874 198 box [string "mysql_close(conn->conn);",
adamc@874 199 newline,
adamc@874 200 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@874 201 string q',
adamc@874 202 string "\");",
adamc@874 203 newline],
adamc@874 204 string "}",
adamc@874 205 newline,
adamc@874 206 newline,
adamc@874 207
adamc@874 208 string "if ((res = mysql_store_result(conn->conn)) == NULL) {",
adamc@874 209 newline,
adamc@874 210 box [string "mysql_free_result(res);",
adamc@874 211 newline,
adamc@874 212 string "mysql_close(conn->conn);",
adamc@874 213 newline,
adamc@874 214 string "uw_error(ctx, FATAL, \"Result store failed:\\n",
adamc@874 215 string q',
adamc@874 216 string "\");",
adamc@874 217 newline],
adamc@874 218 string "}",
adamc@874 219 newline,
adamc@874 220 newline,
adamc@874 221
adamc@874 222 string "if (mysql_num_fields(res) != 1) {",
adamc@874 223 newline,
adamc@874 224 box [string "mysql_free_result(res);",
adamc@874 225 newline,
adamc@874 226 string "mysql_close(conn->conn);",
adamc@874 227 newline,
adamc@874 228 string "uw_error(ctx, FATAL, \"Bad column count:\\n",
adamc@874 229 string q',
adamc@874 230 string "\");",
adamc@874 231 newline],
adamc@874 232 string "}",
adamc@874 233 newline,
adamc@874 234 newline,
adamc@874 235
adamc@874 236 string "if ((row = mysql_fetch_row(res)) == NULL) {",
adamc@874 237 newline,
adamc@874 238 box [string "mysql_free_result(res);",
adamc@874 239 newline,
adamc@874 240 string "mysql_close(conn->conn);",
adamc@874 241 newline,
adamc@874 242 string "uw_error(ctx, FATAL, \"Row fetch failed:\\n",
adamc@874 243 string q',
adamc@874 244 string "\");",
adamc@874 245 newline],
adamc@874 246 string "}",
adamc@874 247 newline,
adamc@874 248 newline,
adamc@874 249
adamc@874 250 string "if (strcmp(row[0], \"",
adamc@874 251 string (Int.toString (length xts)),
adamc@874 252 string "\")) {",
adamc@874 253 newline,
adamc@874 254 box [string "mysql_free_result(res);",
adamc@874 255 newline,
adamc@874 256 string "mysql_close(conn->conn);",
adamc@874 257 newline,
adamc@874 258 string "uw_error(ctx, FATAL, \"Table '",
adam@1953 259 string sl,
adamc@874 260 string "' has the wrong column types.\");",
adamc@874 261 newline],
adamc@874 262 string "}",
adamc@874 263 newline,
adamc@874 264 newline,
adamc@874 265 string "mysql_free_result(res);",
adamc@874 266 newline,
adamc@874 267 newline,
adam@1682 268
adamc@874 269 string "if (mysql_query(conn->conn, \"",
adamc@874 270 string q'',
adamc@874 271 string "\")) {",
adamc@874 272 newline,
adamc@874 273 box [string "mysql_close(conn->conn);",
adamc@874 274 newline,
adamc@874 275 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@874 276 string q'',
adamc@874 277 string "\");",
adamc@874 278 newline],
adamc@874 279 string "}",
adamc@874 280 newline,
adamc@874 281 newline,
adamc@874 282
adamc@874 283 string "if ((res = mysql_store_result(conn->conn)) == NULL) {",
adamc@874 284 newline,
adamc@874 285 box [string "mysql_free_result(res);",
adamc@874 286 newline,
adamc@874 287 string "mysql_close(conn->conn);",
adamc@874 288 newline,
adamc@874 289 string "uw_error(ctx, FATAL, \"Result store failed:\\n",
adamc@874 290 string q'',
adamc@874 291 string "\");",
adamc@874 292 newline],
adamc@874 293 string "}",
adamc@874 294 newline,
adamc@874 295 newline,
adamc@874 296
adamc@874 297 string "if (mysql_num_fields(res) != 1) {",
adamc@874 298 newline,
adamc@874 299 box [string "mysql_free_result(res);",
adamc@874 300 newline,
adamc@874 301 string "mysql_close(conn->conn);",
adamc@874 302 newline,
adamc@874 303 string "uw_error(ctx, FATAL, \"Bad column count:\\n",
adamc@874 304 string q'',
adamc@874 305 string "\");",
adamc@874 306 newline],
adamc@874 307 string "}",
adamc@874 308 newline,
adamc@874 309 newline,
adamc@874 310
adamc@874 311 string "if ((row = mysql_fetch_row(res)) == NULL) {",
adamc@874 312 newline,
adamc@874 313 box [string "mysql_free_result(res);",
adamc@874 314 newline,
adamc@874 315 string "mysql_close(conn->conn);",
adamc@874 316 newline,
adamc@874 317 string "uw_error(ctx, FATAL, \"Row fetch failed:\\n",
adamc@874 318 string q'',
adamc@874 319 string "\");",
adamc@874 320 newline],
adamc@874 321 string "}",
adamc@874 322 newline,
adamc@874 323 newline,
adamc@874 324
adamc@874 325 string "if (strcmp(row[0], \"",
adamc@874 326 string (Int.toString (length xts)),
adamc@874 327 string "\")) {",
adamc@874 328 newline,
adamc@874 329 box [string "mysql_free_result(res);",
adamc@874 330 newline,
adamc@874 331 string "mysql_close(conn->conn);",
adamc@874 332 newline,
adamc@874 333 string "uw_error(ctx, FATAL, \"Table '",
adam@1953 334 string sl,
adamc@874 335 string "' has extra columns.\");",
adamc@874 336 newline],
adamc@874 337 string "}",
adamc@874 338 newline,
adamc@874 339 newline,
adamc@874 340 string "mysql_free_result(res);",
adamc@874 341 newline]
adamc@874 342 end
adamc@874 343
adamc@872 344 fun init {dbstring, prepared = ss, tables, views, sequences} =
adamc@866 345 let
adamc@866 346 val host = ref NONE
adamc@866 347 val user = ref NONE
adamc@866 348 val passwd = ref NONE
adamc@866 349 val db = ref NONE
adamc@866 350 val port = ref NONE
adamc@866 351 val unix_socket = ref NONE
adamc@866 352
adamc@866 353 fun stringOf r = case !r of
adamc@866 354 NONE => string "NULL"
adamc@866 355 | SOME s => box [string "\"",
adam@1656 356 string (Prim.toCString s),
adamc@866 357 string "\""]
adamc@866 358 in
adamc@866 359 app (fn s =>
adamc@866 360 case String.fields (fn ch => ch = #"=") s of
adamc@866 361 [name, value] =>
adamc@866 362 (case name of
adamc@866 363 "host" =>
adamc@866 364 if size value > 0 andalso String.sub (value, 0) = #"/" then
adamc@866 365 unix_socket := SOME value
adamc@866 366 else
adamc@866 367 host := SOME value
adamc@866 368 | "hostaddr" => host := SOME value
adamc@866 369 | "port" => port := Int.fromString value
adamc@866 370 | "dbname" => db := SOME value
adamc@866 371 | "user" => user := SOME value
adamc@866 372 | "password" => passwd := SOME value
adamc@866 373 | _ => ())
adamc@866 374 | _ => ()) (String.tokens Char.isSpace dbstring);
adamc@866 375
adamc@866 376 box [string "typedef struct {",
adamc@866 377 newline,
adamc@866 378 box [string "MYSQL *conn;",
adamc@866 379 newline,
adamc@866 380 p_list_sepi (box [])
adamc@866 381 (fn i => fn _ =>
adamc@866 382 box [string "MYSQL_STMT *p",
adamc@866 383 string (Int.toString i),
adamc@866 384 string ";",
adamc@866 385 newline])
adamc@866 386 ss],
adamc@866 387 string "} uw_conn;",
adamc@866 388 newline,
adamc@866 389 newline,
adamc@866 390
adamc@1094 391 string "static void uw_client_init(void) {",
adamc@874 392 newline,
adamc@879 393 box [string "uw_sqlfmtInt = \"%lld%n\";",
adamc@879 394 newline,
adam@1920 395 string "uw_sqlfmtFloat = \"%.16g%n\";",
adamc@879 396 newline,
adamc@879 397 string "uw_Estrings = 0;",
adamc@879 398 newline,
adam@1834 399 string "uw_sql_type_annotations = 0;",
adam@1834 400 newline,
adamc@879 401 string "uw_sqlsuffixString = \"\";",
adamc@879 402 newline,
adamc@1011 403 string "uw_sqlsuffixChar = \"\";",
adamc@1011 404 newline,
adamc@879 405 string "uw_sqlsuffixBlob = \"\";",
adamc@879 406 newline,
adamc@879 407 string "uw_sqlfmtUint4 = \"%u%n\";",
adamc@879 408 newline,
adamc@879 409 newline,
adamc@879 410
adamc@879 411 string "if (mysql_library_init(0, NULL, NULL)) {",
adamc@874 412 newline,
adamc@874 413 box [string "fprintf(stderr, \"Could not initialize MySQL library\\n\");",
adamc@874 414 newline,
adamc@874 415 string "exit(1);",
adamc@874 416 newline],
adamc@874 417 string "}",
adamc@874 418 newline],
adamc@874 419 string "}",
adamc@874 420 newline,
adamc@874 421 newline,
adamc@874 422
adamc@866 423 if #persistent (currentProtocol ()) then
adamc@874 424 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@874 425 newline,
adamc@874 426 string "uw_conn *conn = uw_get_db(ctx);",
adamc@874 427 newline,
adamc@874 428 string "MYSQL_RES *res;",
adamc@874 429 newline,
adamc@874 430 string "MYSQL_ROW row;",
adamc@874 431 newline,
adamc@874 432 newline,
adamc@874 433 p_list_sep newline (checkRel ("tables", true)) tables,
adamc@884 434 p_list_sep newline (fn name => checkRel ("tables", true)
adamc@884 435 (name, [("id", Settings.Client)])) sequences,
adamc@874 436 p_list_sep newline (checkRel ("views", false)) views,
adamc@874 437 string "}",
adamc@874 438 newline,
adamc@874 439 newline,
adamc@874 440
adamc@874 441 string "static void uw_db_prepare(uw_context ctx) {",
adamc@866 442 newline,
adamc@866 443 string "uw_conn *conn = uw_get_db(ctx);",
adamc@866 444 newline,
adamc@866 445 string "MYSQL_STMT *stmt;",
adamc@866 446 newline,
adamc@866 447 newline,
adamc@866 448
adamc@866 449 p_list_sepi newline (fn i => fn (s, n) =>
adamc@866 450 let
adamc@866 451 fun uhoh this s args =
adamc@866 452 box [p_list_sepi (box [])
adamc@866 453 (fn j => fn () =>
adamc@866 454 box [string
adamc@866 455 "mysql_stmt_close(conn->p",
adamc@866 456 string (Int.toString j),
adamc@866 457 string ");",
adamc@866 458 newline])
adamc@866 459 (List.tabulate (i, fn _ => ())),
adamc@866 460 box (if this then
adamc@866 461 [string
adamc@866 462 "mysql_stmt_close(conn->p",
adamc@866 463 string (Int.toString i),
adamc@866 464 string ");",
adamc@866 465 newline]
adamc@866 466 else
adamc@866 467 []),
adamc@866 468 string "mysql_close(conn->conn);",
adamc@866 469 newline,
adamc@866 470 string "uw_error(ctx, FATAL, \"",
adamc@866 471 string s,
adamc@866 472 string "\"",
adamc@866 473 p_list_sep (box []) (fn s => box [string ", ",
adamc@866 474 string s]) args,
adamc@866 475 string ");",
adamc@866 476 newline]
adamc@866 477 in
adamc@866 478 box [string "stmt = mysql_stmt_init(conn->conn);",
adamc@866 479 newline,
adamc@866 480 string "if (stmt == NULL) {",
adamc@866 481 newline,
adamc@866 482 uhoh false "Out of memory allocating prepared statement" [],
adamc@866 483 string "}",
adamc@866 484 newline,
adamc@874 485 string "conn->p",
adamc@874 486 string (Int.toString i),
adamc@874 487 string " = stmt;",
adamc@874 488 newline,
adamc@866 489
adamc@866 490 string "if (mysql_stmt_prepare(stmt, \"",
adam@1656 491 string (Prim.toCString s),
adamc@866 492 string "\", ",
adamc@866 493 string (Int.toString (size s)),
adamc@866 494 string ")) {",
adamc@866 495 newline,
adamc@866 496 box [string "char msg[1024];",
adamc@866 497 newline,
adamc@866 498 string "strncpy(msg, mysql_stmt_error(stmt), 1024);",
adamc@866 499 newline,
adamc@866 500 string "msg[1023] = 0;",
adamc@866 501 newline,
adamc@866 502 uhoh true "Error preparing statement: %s" ["msg"]],
adamc@866 503 string "}",
adamc@866 504 newline]
adamc@866 505 end)
adamc@866 506 ss,
adamc@866 507
adamc@866 508 string "}"]
adamc@866 509 else
adamc@882 510 box [string "static void uw_db_prepare(uw_context ctx) { }",
adamc@882 511 newline,
adamc@882 512 string "static void uw_db_validate(uw_context ctx) { }"],
adamc@866 513 newline,
adamc@866 514 newline,
adam@1682 515
adamc@1094 516 string "static void uw_db_init(uw_context ctx) {",
adamc@866 517 newline,
adamc@866 518 string "MYSQL *mysql = mysql_init(NULL);",
adamc@866 519 newline,
adamc@866 520 string "uw_conn *conn;",
adamc@866 521 newline,
adamc@866 522 string "if (mysql == NULL) uw_error(ctx, FATAL, ",
adamc@866 523 string "\"libmysqlclient can't allocate a connection.\");",
adamc@866 524 newline,
adamc@866 525 string "if (mysql_real_connect(mysql, ",
adamc@866 526 stringOf host,
adamc@866 527 string ", ",
adamc@866 528 stringOf user,
adamc@866 529 string ", ",
adamc@866 530 stringOf passwd,
adamc@866 531 string ", ",
adamc@866 532 stringOf db,
adamc@866 533 string ", ",
adamc@866 534 case !port of
adamc@866 535 NONE => string "0"
adamc@866 536 | SOME n => string (Int.toString n),
adamc@866 537 string ", ",
adamc@866 538 stringOf unix_socket,
adamc@874 539 string ", 0) == NULL) {",
adamc@866 540 newline,
adamc@866 541 box [string "char msg[1024];",
adamc@866 542 newline,
adamc@866 543 string "strncpy(msg, mysql_error(mysql), 1024);",
adamc@866 544 newline,
adamc@866 545 string "msg[1023] = 0;",
adamc@866 546 newline,
adamc@866 547 string "mysql_close(mysql);",
adamc@866 548 newline,
adamc@866 549 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@866 550 string "\"Connection to MySQL server failed: %s\", msg);"],
adamc@866 551 newline,
adamc@866 552 string "}",
adamc@866 553 newline,
adamc@874 554 string "conn = calloc(1, sizeof(uw_conn));",
adamc@866 555 newline,
adamc@866 556 string "conn->conn = mysql;",
adamc@866 557 newline,
adamc@866 558 string "uw_set_db(ctx, conn);",
adamc@866 559 newline,
adamc@866 560 string "uw_db_validate(ctx);",
adamc@866 561 newline,
adamc@866 562 string "uw_db_prepare(ctx);",
adamc@866 563 newline,
adamc@866 564 string "}",
adamc@866 565 newline,
adamc@866 566 newline,
adamc@866 567
adamc@1094 568 string "static void uw_db_close(uw_context ctx) {",
adamc@866 569 newline,
adamc@866 570 string "uw_conn *conn = uw_get_db(ctx);",
adamc@866 571 newline,
adamc@866 572 p_list_sepi (box [])
adamc@866 573 (fn i => fn _ =>
adamc@866 574 box [string "if (conn->p",
adamc@866 575 string (Int.toString i),
adamc@866 576 string ") mysql_stmt_close(conn->p",
adamc@866 577 string (Int.toString i),
adamc@866 578 string ");",
adamc@866 579 newline])
adamc@866 580 ss,
adamc@866 581 string "mysql_close(conn->conn);",
adamc@866 582 newline,
adamc@866 583 string "}",
adamc@866 584 newline,
adamc@866 585 newline,
adamc@866 586
adam@1936 587 string "static int uw_db_begin(uw_context ctx, int could_write) {",
adamc@866 588 newline,
adamc@866 589 string "uw_conn *conn = uw_get_db(ctx);",
adamc@866 590 newline,
adamc@866 591 newline,
adamc@866 592 string "return mysql_query(conn->conn, \"SET TRANSACTION ISOLATION LEVEL SERIALIZABLE\")",
adamc@866 593 newline,
adamc@866 594 string " || mysql_query(conn->conn, \"BEGIN\");",
adamc@866 595 newline,
adamc@866 596 string "}",
adamc@866 597 newline,
adamc@866 598 newline,
adamc@866 599
adamc@1094 600 string "static int uw_db_commit(uw_context ctx) {",
adamc@866 601 newline,
adamc@866 602 string "uw_conn *conn = uw_get_db(ctx);",
adamc@866 603 newline,
adamc@866 604 string "return mysql_commit(conn->conn);",
adamc@866 605 newline,
adamc@866 606 string "}",
adamc@866 607 newline,
adamc@866 608 newline,
adamc@866 609
adamc@1094 610 string "static int uw_db_rollback(uw_context ctx) {",
adamc@866 611 newline,
adamc@866 612 string "uw_conn *conn = uw_get_db(ctx);",
adamc@866 613 newline,
adamc@866 614 string "return mysql_rollback(conn->conn);",
adamc@866 615 newline,
adamc@866 616 string "}",
adamc@866 617 newline,
adamc@866 618 newline]
adamc@866 619 end
adamc@866 620
adamc@880 621 fun p_getcol {loc, wontLeakStrings = _, col = i, typ = t} =
adamc@873 622 let
adamc@873 623 fun getter t =
adamc@873 624 case t of
adamc@873 625 String => box [string "({",
adamc@873 626 newline,
adamc@873 627 string "uw_Basis_string s = uw_malloc(ctx, length",
adamc@873 628 string (Int.toString i),
adamc@873 629 string " + 1);",
adamc@873 630 newline,
adamc@873 631 string "out[",
adamc@873 632 string (Int.toString i),
adamc@873 633 string "].buffer = s;",
adamc@873 634 newline,
adamc@873 635 string "out[",
adamc@873 636 string (Int.toString i),
adamc@873 637 string "].buffer_length = length",
adamc@873 638 string (Int.toString i),
adamc@873 639 string " + 1;",
adamc@873 640 newline,
adamc@873 641 string "mysql_stmt_fetch_column(stmt, &out[",
adamc@873 642 string (Int.toString i),
adamc@873 643 string "], ",
adamc@873 644 string (Int.toString i),
adamc@873 645 string ", 0);",
adamc@873 646 newline,
adamc@873 647 string "s[length",
adamc@873 648 string (Int.toString i),
adamc@873 649 string "] = 0;",
adamc@873 650 newline,
adamc@873 651 string "s;",
adamc@873 652 newline,
adamc@873 653 string "})"]
adamc@873 654 | Blob => box [string "({",
adamc@873 655 newline,
adamc@873 656 string "uw_Basis_blob b = {length",
adamc@873 657 string (Int.toString i),
adamc@873 658 string ", uw_malloc(ctx, length",
adamc@873 659 string (Int.toString i),
adamc@873 660 string ")};",
adamc@873 661 newline,
adamc@873 662 string "out[",
adamc@873 663 string (Int.toString i),
adamc@873 664 string "].buffer = b.data;",
adamc@873 665 newline,
adamc@873 666 string "out[",
adamc@873 667 string (Int.toString i),
adamc@873 668 string "].buffer_length = length",
adamc@873 669 string (Int.toString i),
adamc@873 670 string ";",
adamc@873 671 newline,
adamc@873 672 string "mysql_stmt_fetch_column(stmt, &out[",
adamc@873 673 string (Int.toString i),
adamc@873 674 string "], ",
adamc@873 675 string (Int.toString i),
adamc@873 676 string ", 0);",
adamc@873 677 newline,
adamc@873 678 string "b;",
adamc@873 679 newline,
adamc@873 680 string "})"]
adamc@873 681 | Time => box [string "({",
adamc@876 682 string "MYSQL_TIME *mt = &buffer",
adamc@873 683 string (Int.toString i),
adamc@873 684 string ";",
adamc@873 685 newline,
adamc@873 686 newline,
adamc@938 687 string "struct tm t = {mt->second, mt->minute, mt->hour, mt->day, mt->month-1, mt->year - 1900, 0, 0, -1};",
adamc@873 688 newline,
adam@1443 689 string "uw_Basis_time res = {mktime(&t), 0};",
adam@1443 690 newline,
adam@1443 691 string "res;",
adamc@873 692 newline,
adamc@873 693 string "})"]
adamc@889 694 | Channel => box [string "({",
adamc@889 695 string "uw_Basis_channel ch = {buffer",
adamc@889 696 string (Int.toString i),
adamc@889 697 string " >> 32, buffer",
adamc@889 698 string (Int.toString i),
adamc@889 699 string " & 0xFFFFFFFF};",
adamc@889 700 newline,
adamc@889 701 string "ch;",
adamc@889 702 newline,
adamc@889 703 string "})"]
adamc@873 704 | _ => box [string "buffer",
adamc@873 705 string (Int.toString i)]
adamc@873 706 in
adamc@873 707 case t of
adamc@873 708 Nullable t => box [string "(is_null",
adamc@873 709 string (Int.toString i),
adamc@873 710 string " ? NULL : ",
adamc@873 711 case t of
adamc@873 712 String => getter t
adamc@873 713 | _ => box [string "({",
adamc@873 714 newline,
adamc@873 715 string (p_sql_ctype t),
adamc@873 716 space,
adamc@873 717 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@873 718 string (p_sql_ctype t),
adamc@873 719 string "));",
adamc@873 720 newline,
adamc@873 721 string "*tmp = ",
adamc@873 722 getter t,
adamc@873 723 string ";",
adamc@873 724 newline,
adamc@873 725 string "tmp;",
adamc@873 726 newline,
adamc@873 727 string "})"],
adamc@873 728 string ")"]
adamc@873 729 | _ => box [string "(is_null",
adamc@873 730 string (Int.toString i),
adamc@873 731 string " ? ",
adamc@873 732 box [string "({",
adamc@873 733 string (p_sql_ctype t),
adamc@873 734 space,
adamc@873 735 string "tmp;",
adamc@873 736 newline,
adamc@873 737 string "uw_error(ctx, FATAL, \"Unexpectedly NULL field #",
adamc@873 738 string (Int.toString i),
adamc@873 739 string "\");",
adamc@873 740 newline,
adamc@873 741 string "tmp;",
adamc@873 742 newline,
adamc@873 743 string "})"],
adamc@873 744 string " : ",
adamc@873 745 getter t,
adamc@873 746 string ")"]
adamc@873 747 end
adamc@873 748
adamc@873 749 fun queryCommon {loc, query, cols, doCols} =
adamc@873 750 box [string "int n, r;",
adamc@873 751 newline,
adamc@873 752 string "MYSQL_BIND out[",
adamc@873 753 string (Int.toString (length cols)),
adamc@873 754 string "];",
adamc@873 755 newline,
adamc@873 756 p_list_sepi (box []) (fn i => fn t =>
adamc@873 757 let
adamc@873 758 fun buffers t =
adamc@873 759 case t of
adamc@873 760 String => box [string "unsigned long length",
adamc@873 761 string (Int.toString i),
adamc@873 762 string ";",
adamc@873 763 newline]
adamc@873 764 | Blob => box [string "unsigned long length",
adamc@873 765 string (Int.toString i),
adamc@873 766 string ";",
adamc@873 767 newline]
adamc@876 768 | Time => box [string "MYSQL_TIME buffer",
adamc@876 769 string (Int.toString i),
adamc@876 770 string ";",
adamc@876 771 newline]
adamc@889 772 | Channel => box [string "unsigned long long buffer",
adamc@889 773 string (Int.toString i),
adamc@889 774 string ";",
adamc@889 775 newline]
adamc@873 776 | _ => box [string (p_sql_ctype t),
adamc@873 777 space,
adamc@873 778 string "buffer",
adamc@873 779 string (Int.toString i),
adamc@873 780 string ";",
adamc@873 781 newline]
adamc@873 782 in
adamc@873 783 box [string "my_bool is_null",
adamc@873 784 string (Int.toString i),
adamc@873 785 string ";",
adamc@873 786 newline,
adamc@873 787 case t of
adamc@873 788 Nullable t => buffers t
adamc@873 789 | _ => buffers t,
adamc@873 790 newline]
adamc@873 791 end) cols,
adamc@873 792 newline,
adamc@873 793
adamc@873 794 string "memset(out, 0, sizeof out);",
adamc@873 795 newline,
adamc@873 796 p_list_sepi (box []) (fn i => fn t =>
adamc@873 797 let
adamc@873 798 fun buffers t =
adamc@873 799 case t of
adamc@875 800 String => box [string "out[",
adamc@875 801 string (Int.toString i),
adamc@875 802 string "].length = &length",
adamc@875 803 string (Int.toString i),
adamc@875 804 string ";",
adamc@875 805 newline]
adamc@1013 806 | Char => box [string "out[",
adamc@1013 807 string (Int.toString i),
adamc@1013 808 string "].buffer_length = 1;",
adamc@1013 809 newline,
adamc@1013 810 string "out[",
adamc@1013 811 string (Int.toString i),
adamc@1013 812 string "].buffer = &buffer",
adamc@1013 813 string (Int.toString i),
adamc@1013 814 string ";",
adamc@1013 815 newline]
adamc@875 816 | Blob => box [string "out[",
adamc@875 817 string (Int.toString i),
adamc@875 818 string "].length = &length",
adamc@875 819 string (Int.toString i),
adamc@875 820 string ";",
adamc@875 821 newline]
adamc@873 822 | _ => box [string "out[",
adamc@873 823 string (Int.toString i),
adamc@873 824 string "].buffer = &buffer",
adamc@873 825 string (Int.toString i),
adamc@873 826 string ";",
adamc@873 827 newline]
adamc@873 828 in
adamc@873 829 box [string "out[",
adamc@873 830 string (Int.toString i),
adamc@873 831 string "].buffer_type = ",
adamc@873 832 string (p_buffer_type t),
adamc@873 833 string ";",
adamc@873 834 newline,
adamc@873 835 string "out[",
adamc@873 836 string (Int.toString i),
adamc@873 837 string "].is_null = &is_null",
adamc@873 838 string (Int.toString i),
adamc@873 839 string ";",
adamc@873 840 newline,
adam@1682 841
adamc@873 842 case t of
adamc@873 843 Nullable t => buffers t
adamc@873 844 | _ => buffers t,
adamc@873 845 newline]
adamc@873 846 end) cols,
adamc@873 847 newline,
adamc@873 848
adamc@875 849 string "if (mysql_stmt_reset(stmt)) uw_error(ctx, FATAL, \"",
adamc@875 850 string (ErrorMsg.spanToString loc),
adamc@875 851 string ": Error reseting statement: %s\\n%s\", ",
adamc@875 852 query,
adamc@875 853 string ", mysql_error(conn->conn));",
adamc@875 854 newline,
adamc@875 855 newline,
adamc@875 856
adamc@873 857 string "if (mysql_stmt_execute(stmt)) uw_error(ctx, FATAL, \"",
adamc@873 858 string (ErrorMsg.spanToString loc),
adamc@875 859 string ": Error executing query: %s\\n%s\", ",
adamc@875 860 query,
adamc@875 861 string ", mysql_error(conn->conn));",
adamc@875 862 newline,
adamc@875 863 newline,
adamc@875 864
adamc@875 865 string "if (mysql_stmt_bind_result(stmt, out)) uw_error(ctx, FATAL, \"",
adamc@875 866 string (ErrorMsg.spanToString loc),
adamc@875 867 string ": Error binding query result: %s\\n%s\", ",
adamc@875 868 query,
adamc@875 869 string ", mysql_error(conn->conn));",
adamc@873 870 newline,
adamc@873 871 newline,
adamc@873 872
adamc@873 873 string "if (mysql_stmt_store_result(stmt)) uw_error(ctx, FATAL, \"",
adamc@873 874 string (ErrorMsg.spanToString loc),
adamc@875 875 string ": Error storing query result: %s\\n%s\", ",
adamc@875 876 query,
adamc@875 877 string ", mysql_error(conn->conn));",
adamc@873 878 newline,
adamc@873 879 newline,
adamc@873 880
adamc@873 881 string "uw_end_region(ctx);",
adamc@873 882 newline,
adamc@875 883 string "while (1) {",
adamc@875 884 newline,
adamc@875 885 string "r = mysql_stmt_fetch(stmt);",
adamc@875 886 newline,
adamc@875 887 string "if (r != 0 && r != MYSQL_DATA_TRUNCATED) break;",
adamc@873 888 newline,
adamc@873 889 doCols p_getcol,
adamc@873 890 string "}",
adamc@873 891 newline,
adamc@873 892 newline,
adamc@873 893
adamc@874 894 string "if (r == 1) uw_error(ctx, FATAL, \"",
adamc@873 895 string (ErrorMsg.spanToString loc),
adamc@875 896 string ": query result fetching failed: %s\\n%s\", ",
adamc@875 897 query,
adamc@875 898 string ", mysql_error(conn->conn));",
adamc@875 899 newline,
adamc@875 900 newline,
adamc@875 901
adamc@875 902 string "if (mysql_stmt_reset(stmt)) uw_error(ctx, FATAL, \"",
adamc@875 903 string (ErrorMsg.spanToString loc),
adamc@875 904 string ": Error reseting statement: %s\\n%s\", ",
adamc@875 905 query,
adamc@875 906 string ", mysql_error(conn->conn));",
adamc@875 907 newline,
adamc@875 908 newline]
adamc@873 909
adamc@873 910 fun query {loc, cols, doCols} =
adamc@873 911 box [string "uw_conn *conn = uw_get_db(ctx);",
adamc@873 912 newline,
adamc@876 913 string "MYSQL_STMT *stmt = mysql_stmt_init(conn->conn);",
adamc@873 914 newline,
adamc@875 915 string "if (stmt == NULL) uw_error(ctx, FATAL, \"",
adamc@873 916 string (ErrorMsg.spanToString loc),
adamc@873 917 string ": can't allocate temporary prepared statement\");",
adamc@873 918 newline,
adamc@873 919 string "uw_push_cleanup(ctx, (void (*)(void *))mysql_stmt_close, stmt);",
adamc@873 920 newline,
adamc@873 921 string "if (mysql_stmt_prepare(stmt, query, strlen(query))) uw_error(ctx, FATAL, \"",
adamc@873 922 string (ErrorMsg.spanToString loc),
adamc@875 923 string ": error preparing statement: %s\\n%s\", query, mysql_error(conn->conn));",
adamc@873 924 newline,
adamc@873 925 newline,
adamc@873 926
adamc@873 927 queryCommon {loc = loc, cols = cols, doCols = doCols, query = string "query"},
adamc@873 928
adamc@873 929 string "uw_pop_cleanup(ctx);",
adamc@873 930 newline]
adamc@873 931
adamc@879 932 fun queryPrepared {loc, id, query, inputs, cols, doCols, nested} =
adamc@873 933 box [string "uw_conn *conn = uw_get_db(ctx);",
adamc@873 934 newline,
adamc@873 935 string "MYSQL_BIND in[",
adamc@873 936 string (Int.toString (length inputs)),
adamc@873 937 string "];",
adamc@873 938 newline,
adamc@873 939 p_list_sepi (box []) (fn i => fn t =>
adamc@873 940 let
adamc@873 941 fun buffers t =
adamc@873 942 case t of
adamc@873 943 String => box [string "unsigned long in_length",
adamc@873 944 string (Int.toString i),
adamc@873 945 string ";",
adamc@873 946 newline]
adamc@873 947 | Blob => box [string "unsigned long in_length",
adamc@873 948 string (Int.toString i),
adamc@873 949 string ";",
adamc@873 950 newline]
adamc@876 951 | Time => box [string "MYSQL_TIME in_buffer",
adamc@873 952 string (Int.toString i),
adamc@1013 953 string ";",
adamc@1013 954 newline]
adamc@873 955 | _ => box []
adamc@873 956 in
adamc@873 957 box [case t of
adamc@873 958 Nullable t => box [string "my_bool in_is_null",
adamc@873 959 string (Int.toString i),
adamc@873 960 string ";",
adamc@873 961 newline,
adamc@873 962 buffers t]
adamc@873 963 | _ => buffers t,
adamc@873 964 newline]
adamc@873 965 end) inputs,
adamc@873 966
adamc@879 967 if nested then
adamc@879 968 box [string "MYSQL_STMT *stmt;",
adamc@879 969 newline]
adamc@879 970 else
adamc@879 971 box [string "MYSQL_STMT *stmt = conn->p",
adamc@879 972 string (Int.toString id),
adamc@879 973 string ";",
adamc@879 974 newline,
adamc@879 975 newline,
adamc@879 976
adamc@879 977 string "if (stmt == NULL) {",
adamc@879 978 newline],
adamc@879 979
adamc@878 980 box [string "stmt = mysql_stmt_init(conn->conn);",
adamc@878 981 newline,
adamc@878 982 string "if (stmt == NULL) uw_error(ctx, FATAL, \"Out of memory allocating prepared statement\");",
adamc@878 983 newline,
adamc@880 984 if nested then
adamc@880 985 box [string "uw_push_cleanup(ctx, (void (*)(void *))mysql_stmt_close, stmt);",
adamc@880 986 newline]
adamc@880 987 else
adamc@880 988 box [],
adamc@878 989 string "if (mysql_stmt_prepare(stmt, \"",
adam@1656 990 string (Prim.toCString query),
adamc@878 991 string "\", ",
adamc@878 992 string (Int.toString (size query)),
adamc@878 993 string ")) {",
adamc@878 994 newline,
adamc@878 995 box [string "char msg[1024];",
adamc@878 996 newline,
adamc@878 997 string "strncpy(msg, mysql_stmt_error(stmt), 1024);",
adamc@878 998 newline,
adamc@878 999 string "msg[1023] = 0;",
adamc@878 1000 newline,
adamc@880 1001 if nested then
adamc@880 1002 box []
adamc@880 1003 else
adamc@880 1004 box [string "mysql_stmt_close(stmt);",
adamc@880 1005 newline],
adamc@878 1006 string "uw_error(ctx, FATAL, \"Error preparing statement: %s\", msg);",
adamc@878 1007 newline],
adamc@878 1008 string "}",
adamc@878 1009 newline,
adamc@879 1010 if nested then
adamc@879 1011 box []
adamc@879 1012 else
adamc@879 1013 box [string "conn->p",
adamc@879 1014 string (Int.toString id),
adamc@879 1015 string " = stmt;",
adamc@879 1016 newline]],
adamc@879 1017 if nested then
adamc@879 1018 box []
adamc@879 1019 else
adamc@879 1020 box [string "}",
adamc@879 1021 newline],
adamc@878 1022 newline,
adamc@878 1023
adamc@873 1024 string "memset(in, 0, sizeof in);",
adamc@873 1025 newline,
adamc@873 1026 p_list_sepi (box []) (fn i => fn t =>
adamc@873 1027 let
adamc@873 1028 fun buffers t =
adamc@873 1029 case t of
adamc@873 1030 String => box [string "in[",
adamc@873 1031 string (Int.toString i),
adamc@873 1032 string "].buffer = arg",
adamc@873 1033 string (Int.toString (i + 1)),
adamc@873 1034 string ";",
adamc@873 1035 newline,
adamc@873 1036 string "in_length",
adamc@873 1037 string (Int.toString i),
adamc@873 1038 string "= in[",
adamc@873 1039 string (Int.toString i),
adamc@873 1040 string "].buffer_length = strlen(arg",
adamc@873 1041 string (Int.toString (i + 1)),
adamc@873 1042 string ");",
adamc@873 1043 newline,
adamc@873 1044 string "in[",
adamc@873 1045 string (Int.toString i),
adamc@873 1046 string "].length = &in_length",
adamc@873 1047 string (Int.toString i),
adamc@873 1048 string ";",
adamc@873 1049 newline]
adamc@1013 1050 | Char => box [string "in[",
adamc@1013 1051 string (Int.toString i),
adamc@1013 1052 string "].buffer = &arg",
adamc@1013 1053 string (Int.toString (i + 1)),
adamc@1013 1054 string ";",
adamc@1013 1055 newline,
adamc@1013 1056 string "in[",
adamc@1013 1057 string (Int.toString i),
adamc@1013 1058 string "].buffer_length = 1;",
adamc@1013 1059 newline]
adamc@873 1060 | Blob => box [string "in[",
adamc@873 1061 string (Int.toString i),
adamc@873 1062 string "].buffer = arg",
adamc@873 1063 string (Int.toString (i + 1)),
adamc@873 1064 string ".data;",
adamc@873 1065 newline,
adamc@873 1066 string "in_length",
adamc@873 1067 string (Int.toString i),
adamc@873 1068 string "= in[",
adamc@873 1069 string (Int.toString i),
adamc@873 1070 string "].buffer_length = arg",
adamc@873 1071 string (Int.toString (i + 1)),
adamc@873 1072 string ".size;",
adamc@873 1073 newline,
adamc@873 1074 string "in[",
adamc@873 1075 string (Int.toString i),
adamc@873 1076 string "].length = &in_length",
adamc@873 1077 string (Int.toString i),
adamc@873 1078 string ";",
adamc@873 1079 newline]
adamc@873 1080 | Time =>
adamc@873 1081 let
adamc@873 1082 fun oneField dst src =
adamc@873 1083 box [string "in_buffer",
adamc@873 1084 string (Int.toString i),
adamc@873 1085 string ".",
adamc@873 1086 string dst,
adamc@873 1087 string " = tms.tm_",
adamc@873 1088 string src,
adamc@873 1089 string ";",
adamc@873 1090 newline]
adamc@873 1091 in
adamc@873 1092 box [string "({",
adamc@873 1093 newline,
adamc@873 1094 string "struct tm tms;",
adamc@873 1095 newline,
adamc@873 1096 string "if (localtime_r(&arg",
adamc@873 1097 string (Int.toString (i + 1)),
adam@1443 1098 string ".seconds, &tms) == NULL) uw_error(ctx, FATAL, \"",
adamc@873 1099 string (ErrorMsg.spanToString loc),
adamc@873 1100 string ": error converting to MySQL time\");",
adamc@873 1101 newline,
adamc@938 1102 oneField "year" "year + 1900",
adamc@888 1103 box [string "in_buffer",
adamc@888 1104 string (Int.toString i),
adamc@888 1105 string ".month = tms.tm_mon + 1;",
adamc@888 1106 newline],
adamc@873 1107 oneField "day" "mday",
adam@1839 1108 oneField "hour" "hour",
adamc@873 1109 oneField "minute" "min",
adamc@873 1110 oneField "second" "sec",
adamc@873 1111 newline,
adamc@873 1112 string "in[",
adamc@873 1113 string (Int.toString i),
adamc@873 1114 string "].buffer = &in_buffer",
adamc@873 1115 string (Int.toString i),
adamc@873 1116 string ";",
adamc@933 1117 newline,
adamc@933 1118 string "});",
adamc@873 1119 newline]
adamc@873 1120 end
adamc@889 1121 | Channel => box [string "in_buffer",
adamc@889 1122 string (Int.toString i),
adamc@889 1123 string " = ((unsigned long long)arg",
adamc@889 1124 string (Int.toString (i + 1)),
adamc@889 1125 string ".cli << 32) | arg",
adamc@889 1126 string (Int.toString (i + 1)),
adamc@889 1127 string ".chn;",
adamc@889 1128 newline,
adamc@889 1129 string "in[",
adamc@889 1130 string (Int.toString i),
adamc@889 1131 string "].buffer = &in_buffer",
adamc@889 1132 string (Int.toString i),
adamc@889 1133 string ";",
adamc@889 1134 newline]
adam@1682 1135
adamc@873 1136 | _ => box [string "in[",
adamc@873 1137 string (Int.toString i),
adamc@873 1138 string "].buffer = &arg",
adamc@873 1139 string (Int.toString (i + 1)),
adamc@873 1140 string ";",
adamc@873 1141 newline]
adamc@873 1142 in
adamc@873 1143 box [string "in[",
adamc@873 1144 string (Int.toString i),
adamc@873 1145 string "].buffer_type = ",
adamc@873 1146 string (p_buffer_type t),
adamc@873 1147 string ";",
adamc@873 1148 newline,
adam@1682 1149
adamc@873 1150 case t of
adamc@873 1151 Nullable t => box [string "in[",
adamc@873 1152 string (Int.toString i),
adamc@873 1153 string "].is_null = &in_is_null",
adamc@873 1154 string (Int.toString i),
adamc@873 1155 string ";",
adamc@873 1156 newline,
adamc@873 1157 string "if (arg",
adamc@873 1158 string (Int.toString (i + 1)),
adamc@873 1159 string " == NULL) {",
adamc@873 1160 newline,
adamc@873 1161 box [string "in_is_null",
adamc@873 1162 string (Int.toString i),
adamc@873 1163 string " = 1;",
adamc@873 1164 newline],
adamc@873 1165 string "} else {",
adamc@873 1166 box [case t of
adamc@873 1167 String => box []
adamc@873 1168 | _ =>
adamc@873 1169 box [string (p_sql_ctype t),
adamc@873 1170 space,
adamc@876 1171 string "tmp = *arg",
adamc@876 1172 string (Int.toString (i + 1)),
adamc@876 1173 string ";",
adamc@876 1174 newline,
adamc@876 1175 string (p_sql_ctype t),
adamc@876 1176 space,
adamc@873 1177 string "arg",
adamc@873 1178 string (Int.toString (i + 1)),
adamc@876 1179 string " = tmp;",
adamc@873 1180 newline],
adamc@873 1181 string "in_is_null",
adamc@873 1182 string (Int.toString i),
adamc@873 1183 string " = 0;",
adamc@873 1184 newline,
adamc@873 1185 buffers t,
adamc@876 1186 newline],
adamc@876 1187 string "}",
adamc@876 1188 newline]
adam@1682 1189
adamc@873 1190 | _ => buffers t,
adamc@873 1191 newline]
adamc@873 1192 end) inputs,
adamc@873 1193 newline,
adamc@873 1194
adamc@875 1195 string "if (mysql_stmt_bind_param(stmt, in)) uw_error(ctx, FATAL, \"",
adamc@875 1196 string (ErrorMsg.spanToString loc),
adamc@875 1197 string ": error binding parameters\");",
adamc@875 1198 newline,
adamc@875 1199
adamc@873 1200 queryCommon {loc = loc, cols = cols, doCols = doCols, query = box [string "\"",
adam@1656 1201 string (Prim.toCString query),
adamc@879 1202 string "\""]},
adamc@879 1203
adamc@879 1204 if nested then
adamc@879 1205 box [string "uw_pop_cleanup(ctx);",
adamc@879 1206 newline]
adamc@879 1207 else
adamc@879 1208 box []]
adamc@873 1209
adam@1293 1210 fun dmlCommon {loc, dml, mode} =
adam@1953 1211 box [string "if (mysql_stmt_execute(stmt)) {",
adam@1953 1212 box [string "if (mysql_errno(conn->conn) == 1213)",
adam@1953 1213 newline,
adam@1953 1214 box [string "uw_error(ctx, UNLIMITED_RETRY, \"Deadlock detected\");",
adam@1953 1215 newline],
adam@1953 1216 newline,
adam@1953 1217 case mode of
adam@1953 1218 Settings.Error => box [string "uw_error(ctx, FATAL, \"",
adam@1953 1219 string (ErrorMsg.spanToString loc),
adam@1953 1220 string ": Error executing DML: %s\\n%s\", ",
adam@1953 1221 dml,
adam@1953 1222 string ", mysql_error(conn->conn));"]
adam@1953 1223 | Settings.None => string "uw_set_error_message(ctx, mysql_error(conn->conn));",
adam@1953 1224 newline],
adam@1953 1225 string "}",
adamc@875 1226 newline]
adamc@875 1227
adam@1293 1228 fun dml (loc, mode) =
adamc@875 1229 box [string "uw_conn *conn = uw_get_db(ctx);",
adamc@875 1230 newline,
adamc@1013 1231 string "MYSQL_STMT *stmt = mysql_stmt_init(conn->conn);",
adamc@875 1232 newline,
adamc@933 1233 string "if (stmt == NULL) uw_error(ctx, FATAL, \"",
adamc@875 1234 string (ErrorMsg.spanToString loc),
adamc@875 1235 string ": can't allocate temporary prepared statement\");",
adamc@875 1236 newline,
adamc@875 1237 string "uw_push_cleanup(ctx, (void (*)(void *))mysql_stmt_close, stmt);",
adamc@875 1238 newline,
adamc@875 1239 string "if (mysql_stmt_prepare(stmt, dml, strlen(dml))) uw_error(ctx, FATAL, \"",
adamc@875 1240 string (ErrorMsg.spanToString loc),
adamc@875 1241 string ": error preparing statement: %s\\n%s\", dml, mysql_error(conn->conn));",
adamc@875 1242 newline,
adamc@875 1243 newline,
adamc@875 1244
adam@1293 1245 dmlCommon {loc = loc, dml = string "dml", mode = mode},
adamc@875 1246
adamc@875 1247 string "uw_pop_cleanup(ctx);",
adamc@875 1248 newline]
adamc@875 1249
adam@1293 1250 fun dmlPrepared {loc, id, dml, inputs, mode} =
adamc@875 1251 box [string "uw_conn *conn = uw_get_db(ctx);",
adamc@875 1252 newline,
adamc@875 1253 string "MYSQL_BIND in[",
adamc@875 1254 string (Int.toString (length inputs)),
adamc@875 1255 string "];",
adamc@875 1256 newline,
adamc@875 1257 p_list_sepi (box []) (fn i => fn t =>
adamc@875 1258 let
adamc@875 1259 fun buffers t =
adamc@875 1260 case t of
adamc@875 1261 String => box [string "unsigned long in_length",
adamc@875 1262 string (Int.toString i),
adamc@875 1263 string ";",
adamc@875 1264 newline]
adamc@875 1265 | Blob => box [string "unsigned long in_length",
adamc@875 1266 string (Int.toString i),
adamc@875 1267 string ";",
adamc@875 1268 newline]
adamc@876 1269 | Time => box [string "MYSQL_TIME in_buffer",
adamc@875 1270 string (Int.toString i),
adamc@875 1271 string ";",
adamc@875 1272 newline]
adamc@889 1273 | Channel => box [string "unsigned long long in_buffer",
adamc@889 1274 string (Int.toString i),
adamc@889 1275 string ";",
adamc@889 1276 newline]
adamc@875 1277 | _ => box []
adamc@875 1278 in
adamc@875 1279 box [case t of
adamc@875 1280 Nullable t => box [string "my_bool in_is_null",
adamc@875 1281 string (Int.toString i),
adamc@875 1282 string ";",
adamc@875 1283 newline,
adamc@875 1284 buffers t]
adamc@875 1285 | _ => buffers t,
adamc@875 1286 newline]
adamc@875 1287 end) inputs,
adamc@875 1288 string "MYSQL_STMT *stmt = conn->p",
adamc@875 1289 string (Int.toString id),
adamc@875 1290 string ";",
adamc@875 1291 newline,
adamc@875 1292 newline,
adamc@875 1293
adamc@878 1294 string "if (stmt == NULL) {",
adamc@878 1295 newline,
adamc@878 1296 box [string "stmt = mysql_stmt_init(conn->conn);",
adamc@878 1297 newline,
adamc@878 1298 string "if (stmt == NULL) uw_error(ctx, FATAL, \"Out of memory allocating prepared statement\");",
adamc@878 1299 newline,
adamc@878 1300 string "if (mysql_stmt_prepare(stmt, \"",
adam@1656 1301 string (Prim.toCString dml),
adamc@878 1302 string "\", ",
adamc@878 1303 string (Int.toString (size dml)),
adamc@878 1304 string ")) {",
adamc@878 1305 newline,
adamc@878 1306 box [string "char msg[1024];",
adamc@878 1307 newline,
adamc@878 1308 string "strncpy(msg, mysql_stmt_error(stmt), 1024);",
adamc@878 1309 newline,
adamc@878 1310 string "msg[1023] = 0;",
adamc@878 1311 newline,
adamc@878 1312 string "uw_error(ctx, FATAL, \"Error preparing statement: %s\", msg);",
adamc@878 1313 newline],
adamc@878 1314 string "}",
adamc@878 1315 newline,
adamc@878 1316 string "conn->p",
adamc@878 1317 string (Int.toString id),
adamc@878 1318 string " = stmt;",
adamc@878 1319 newline],
adamc@878 1320 string "}",
adamc@878 1321 newline,
adamc@878 1322 newline,
adamc@878 1323
adamc@875 1324 string "memset(in, 0, sizeof in);",
adamc@875 1325 newline,
adamc@875 1326 p_list_sepi (box []) (fn i => fn t =>
adamc@875 1327 let
adamc@875 1328 fun buffers t =
adamc@875 1329 case t of
adamc@875 1330 String => box [string "in[",
adamc@875 1331 string (Int.toString i),
adamc@875 1332 string "].buffer = arg",
adamc@875 1333 string (Int.toString (i + 1)),
adamc@875 1334 string ";",
adamc@875 1335 newline,
adamc@875 1336 string "in_length",
adamc@875 1337 string (Int.toString i),
adamc@875 1338 string "= in[",
adamc@875 1339 string (Int.toString i),
adamc@875 1340 string "].buffer_length = strlen(arg",
adamc@875 1341 string (Int.toString (i + 1)),
adamc@875 1342 string ");",
adamc@875 1343 newline,
adamc@875 1344 string "in[",
adamc@875 1345 string (Int.toString i),
adamc@875 1346 string "].length = &in_length",
adamc@875 1347 string (Int.toString i),
adamc@875 1348 string ";",
adamc@875 1349 newline]
adamc@875 1350 | Blob => box [string "in[",
adamc@875 1351 string (Int.toString i),
adamc@875 1352 string "].buffer = arg",
adamc@875 1353 string (Int.toString (i + 1)),
adamc@875 1354 string ".data;",
adamc@875 1355 newline,
adamc@875 1356 string "in_length",
adamc@875 1357 string (Int.toString i),
adamc@875 1358 string "= in[",
adamc@875 1359 string (Int.toString i),
adamc@875 1360 string "].buffer_length = arg",
adamc@875 1361 string (Int.toString (i + 1)),
adamc@875 1362 string ".size;",
adamc@875 1363 newline,
adamc@875 1364 string "in[",
adamc@875 1365 string (Int.toString i),
adamc@875 1366 string "].length = &in_length",
adamc@875 1367 string (Int.toString i),
adamc@875 1368 string ";",
adamc@875 1369 newline]
adamc@875 1370 | Time =>
adamc@875 1371 let
adamc@875 1372 fun oneField dst src =
adamc@875 1373 box [string "in_buffer",
adamc@875 1374 string (Int.toString i),
adamc@875 1375 string ".",
adamc@875 1376 string dst,
adamc@875 1377 string " = tms.tm_",
adamc@875 1378 string src,
adamc@875 1379 string ";",
adamc@875 1380 newline]
adamc@875 1381 in
adamc@875 1382 box [string "({",
adamc@875 1383 newline,
adamc@875 1384 string "struct tm tms;",
adamc@875 1385 newline,
adamc@875 1386 string "if (localtime_r(&arg",
adamc@875 1387 string (Int.toString (i + 1)),
adam@1443 1388 string ".seconds, &tms) == NULL) uw_error(ctx, FATAL, \"",
adamc@875 1389 string (ErrorMsg.spanToString loc),
adamc@875 1390 string ": error converting to MySQL time\");",
adamc@875 1391 newline,
adamc@938 1392 oneField "year" "year + 1900",
adamc@938 1393 oneField "month" "mon + 1",
adamc@875 1394 oneField "day" "mday",
adam@1839 1395 oneField "hour" "hour",
adamc@875 1396 oneField "minute" "min",
adamc@875 1397 oneField "second" "sec",
adamc@875 1398 newline,
adamc@875 1399 string "in[",
adamc@875 1400 string (Int.toString i),
adamc@875 1401 string "].buffer = &in_buffer",
adamc@875 1402 string (Int.toString i),
adamc@875 1403 string ";",
adamc@933 1404 newline,
adamc@933 1405 string "});",
adamc@875 1406 newline]
adamc@875 1407 end
adamc@889 1408 | Channel => box [string "in_buffer",
adamc@889 1409 string (Int.toString i),
adamc@889 1410 string " = ((unsigned long long)arg",
adamc@889 1411 string (Int.toString (i + 1)),
adamc@889 1412 string ".cli << 32) | arg",
adamc@889 1413 string (Int.toString (i + 1)),
adamc@889 1414 string ".chn;",
adamc@889 1415 newline,
adamc@889 1416 string "in[",
adamc@889 1417 string (Int.toString i),
adamc@889 1418 string "].buffer = &in_buffer",
adamc@889 1419 string (Int.toString i),
adamc@889 1420 string ";",
adamc@889 1421 newline]
adam@1682 1422
adamc@875 1423 | _ => box [string "in[",
adamc@875 1424 string (Int.toString i),
adamc@875 1425 string "].buffer = &arg",
adamc@875 1426 string (Int.toString (i + 1)),
adamc@875 1427 string ";",
adamc@875 1428 newline]
adamc@875 1429 in
adamc@875 1430 box [string "in[",
adamc@875 1431 string (Int.toString i),
adamc@875 1432 string "].buffer_type = ",
adamc@875 1433 string (p_buffer_type t),
adamc@875 1434 string ";",
adamc@875 1435 newline,
adamc@889 1436
adamc@889 1437 case t of
adamc@889 1438 Channel => box [string "in[",
adamc@889 1439 string (Int.toString i),
adamc@889 1440 string "].is_unsigned = 1;",
adamc@889 1441 newline]
adamc@889 1442 | _ => box [],
adam@1682 1443
adamc@875 1444 case t of
adamc@875 1445 Nullable t => box [string "in[",
adamc@875 1446 string (Int.toString i),
adamc@875 1447 string "].is_null = &in_is_null",
adamc@875 1448 string (Int.toString i),
adamc@875 1449 string ";",
adamc@875 1450 newline,
adamc@875 1451 string "if (arg",
adamc@875 1452 string (Int.toString (i + 1)),
adamc@875 1453 string " == NULL) {",
adamc@875 1454 newline,
adamc@875 1455 box [string "in_is_null",
adamc@875 1456 string (Int.toString i),
adamc@875 1457 string " = 1;",
adamc@875 1458 newline],
adamc@875 1459 string "} else {",
adamc@875 1460 box [case t of
adamc@875 1461 String => box []
adamc@875 1462 | _ =>
adamc@875 1463 box [string (p_sql_ctype t),
adamc@875 1464 space,
adamc@876 1465 string "tmp = *arg",
adamc@876 1466 string (Int.toString (i + 1)),
adamc@876 1467 string ";",
adamc@876 1468 newline,
adamc@876 1469 string (p_sql_ctype t),
adamc@876 1470 space,
adamc@875 1471 string "arg",
adamc@875 1472 string (Int.toString (i + 1)),
adamc@876 1473 string " = tmp;",
adamc@875 1474 newline],
adamc@875 1475 string "in_is_null",
adamc@875 1476 string (Int.toString i),
adamc@875 1477 string " = 0;",
adamc@875 1478 newline,
adamc@875 1479 buffers t,
adamc@876 1480 newline],
adamc@876 1481 string "}",
adamc@876 1482 newline]
adam@1682 1483
adamc@875 1484 | _ => buffers t,
adamc@875 1485 newline]
adamc@875 1486 end) inputs,
adamc@875 1487 newline,
adamc@875 1488
adamc@875 1489 string "if (mysql_stmt_bind_param(stmt, in)) uw_error(ctx, FATAL, \"",
adamc@875 1490 string (ErrorMsg.spanToString loc),
adamc@875 1491 string ": error binding parameters\");",
adamc@875 1492 newline,
adamc@875 1493
adamc@875 1494 dmlCommon {loc = loc, dml = box [string "\"",
adam@1656 1495 string (Prim.toCString dml),
adam@1293 1496 string "\""], mode = mode}]
adamc@875 1497
adamc@878 1498 fun nextval {loc, seqE, seqName} =
adamc@878 1499 box [string "uw_conn *conn = uw_get_db(ctx);",
adamc@878 1500 newline,
adamc@878 1501 string "char *insert = ",
adamc@878 1502 case seqName of
adamc@878 1503 SOME s => string ("\"INSERT INTO " ^ s ^ " VALUES ()\"")
adamc@878 1504 | NONE => box [string "uw_Basis_strcat(ctx, \"INSERT INTO \", uw_Basis_strcat(ctx, ",
adamc@878 1505 seqE,
adamc@878 1506 string ", \" VALUES ()\"))"],
adamc@878 1507 string ";",
adamc@878 1508 newline,
adamc@878 1509 string "char *delete = ",
adamc@878 1510 case seqName of
adamc@878 1511 SOME s => string ("\"DELETE FROM " ^ s ^ "\"")
adamc@878 1512 | NONE => box [string "uw_Basis_strcat(ctx, \"DELETE FROM \", ",
adamc@878 1513 seqE,
adamc@878 1514 string ")"],
adamc@878 1515 string ";",
adamc@878 1516 newline,
adamc@878 1517 newline,
adamc@878 1518
adamc@878 1519 string "if (mysql_query(conn->conn, insert)) uw_error(ctx, FATAL, \"'nextval' INSERT failed\");",
adamc@878 1520 newline,
adamc@878 1521 string "n = mysql_insert_id(conn->conn);",
adamc@878 1522 newline,
adamc@878 1523 string "if (mysql_query(conn->conn, delete)) uw_error(ctx, FATAL, \"'nextval' DELETE failed\");",
adamc@878 1524 newline]
adamc@878 1525
adamc@878 1526 fun nextvalPrepared _ = raise Fail "MySQL.nextvalPrepared called"
adamc@867 1527
adamc@1073 1528 fun setval _ = raise Fail "MySQL.setval called"
adamc@1073 1529
adamc@877 1530 fun sqlifyString s = "'" ^ String.translate (fn #"'" => "\\'"
adamc@877 1531 | #"\\" => "\\\\"
adamc@877 1532 | ch =>
adamc@877 1533 if Char.isPrint ch then
adamc@877 1534 str ch
adamc@877 1535 else
adamc@877 1536 (ErrorMsg.error
adamc@877 1537 "Non-printing character found in SQL string literal";
adamc@877 1538 ""))
adam@1656 1539 (Prim.toCString s) ^ "'"
adamc@874 1540
adamc@877 1541 fun p_cast (s, _) = s
adamc@874 1542
adamc@874 1543 fun p_blank _ = "?"
adamc@874 1544
adamc@866 1545 val () = addDbms {name = "mysql",
adam@1464 1546 header = Config.msheader,
adam@1682 1547 randomFunction = "RAND",
adamc@866 1548 link = "-lmysqlclient",
adamc@867 1549 init = init,
adamc@873 1550 p_sql_type = p_sql_type,
adamc@867 1551 query = query,
adamc@868 1552 queryPrepared = queryPrepared,
adamc@868 1553 dml = dml,
adamc@869 1554 dmlPrepared = dmlPrepared,
adamc@869 1555 nextval = nextval,
adamc@874 1556 nextvalPrepared = nextvalPrepared,
adamc@1073 1557 setval = setval,
adamc@874 1558 sqlifyString = sqlifyString,
adamc@874 1559 p_cast = p_cast,
adamc@874 1560 p_blank = p_blank,
adamc@877 1561 supportsDeleteAs = false,
adamc@886 1562 supportsUpdateAs = false,
adamc@884 1563 createSequence = fn s => "CREATE TABLE " ^ s ^ " (uw_id INTEGER PRIMARY KEY AUTO_INCREMENT)",
adamc@878 1564 textKeysNeedLengths = true,
adamc@879 1565 supportsNextval = false,
adamc@882 1566 supportsNestedPrepared = false,
adamc@890 1567 sqlPrefix = "SET storage_engine=InnoDB;\n\n",
adamc@1014 1568 supportsOctetLength = true,
adamc@1014 1569 trueString = "TRUE",
adamc@1196 1570 falseString = "FALSE",
adamc@1196 1571 onlyUnion = true,
adam@1777 1572 nestedRelops = false,
adam@1777 1573 windowFunctions = false}
adamc@866 1574
adamc@866 1575 end