SQLite

Check-in [73056b314b]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:In sqlite3NestedParse() be sure to detect all SQLITE_NOMEM and SQLITE_TOOBIG errors and to distinguish between them.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 73056b314bd63288c662752e9bd469b70264c38031c1c857460e64fdb1ed4e2e
User & Date: drh 2019-02-22 16:18:12.478
Context
2019-02-22
19:24
Internally, remove all references to a Window object that belongs to an expression in an ORDER BY clause if that expression is converted to an alias of a result-set expression. Fix for [4feb3159c6]. (check-in: 579b66eaa0 user: dan tags: trunk)
17:44
Merge latest trunk changes into this branch. (check-in: 001771afd0 user: dan tags: reuse-schema)
16:18
In sqlite3NestedParse() be sure to detect all SQLITE_NOMEM and SQLITE_TOOBIG errors and to distinguish between them. (check-in: 73056b314b user: drh tags: trunk)
15:42
Modify sqlite3_str_finish() and sqlite3VMPrintf() so that they always return NULL on any OOM or SQLITE_LIMIT_LENGTH error. (check-in: e7144ffd21 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/build.c.
︙︙
256
257
258
259
260
261
262




263
264
265
266
267
268
269
270


  if( pParse->nErr ) return;
  assert( pParse->nested<10 );  /* Nesting should only be of limited depth */
  va_start(ap, zFormat);
  zSql = sqlite3VMPrintf(db, zFormat, ap);
  va_end(ap);
  if( zSql==0 ){




    return;   /* A malloc must have failed */
  }
  pParse->nested++;
  memcpy(saveBuf, PARSE_TAIL(pParse), PARSE_TAIL_SZ);
  memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ);
  sqlite3RunParser(pParse, zSql, &zErrMsg);
  sqlite3DbFree(db, zErrMsg);
  sqlite3DbFree(db, zSql);








>
>
>
>
|








256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274


  if( pParse->nErr ) return;
  assert( pParse->nested<10 );  /* Nesting should only be of limited depth */
  va_start(ap, zFormat);
  zSql = sqlite3VMPrintf(db, zFormat, ap);
  va_end(ap);
  if( zSql==0 ){
    /* This can result either from an OOM or because the formatted string
    ** exceeds SQLITE_LIMIT_LENGTH.  In the latter case, we need to set
    ** an error */
    if( !db->mallocFailed ) pParse->rc = SQLITE_TOOBIG;
    return;
  }
  pParse->nested++;
  memcpy(saveBuf, PARSE_TAIL(pParse), PARSE_TAIL_SZ);
  memset(PARSE_TAIL(pParse), 0, PARSE_TAIL_SZ);
  sqlite3RunParser(pParse, zSql, &zErrMsg);
  sqlite3DbFree(db, zErrMsg);
  sqlite3DbFree(db, zSql);
︙︙
Changes to test/indexfault.test.
︙︙
332
333
334
335
336
337
338










339
340
341
342

  faultsim_restore_and_reopen
  set ::nReadCall 0
  sqlite3_soft_heap_limit 0
} -body {
  execsql { CREATE INDEX i1 ON t1(x) }
  faultsim_test_result {0 {}} 
}











uninstall_custom_faultsim

finish_test








>
>
>
>
>
>
>
>
>
>





332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352

  faultsim_restore_and_reopen
  set ::nReadCall 0
  sqlite3_soft_heap_limit 0
} -body {
  execsql { CREATE INDEX i1 ON t1(x) }
  faultsim_test_result {0 {}} 
}

do_faultsim_test 5 -prep {
  reset_db
} -body {
  execsql { 
 CREATE TABLE reallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallyreallylongname(a PRIMARY KEY) WITHOUT ROWID;
  }
} -test {
  faultsim_test_result {0 {}} 
}

uninstall_custom_faultsim

finish_test