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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

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Overview
Comment:Report errors back up to the ATTACH command if the codec fails to initialize.
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SHA1: a6c696102eb483080b0a1d31b85f6b5f85c3efbf
User & Date: drh 2009-11-04 01:56:28
Context
2009-11-04
13:17
Create a new datatype "ynVar" to hold "nVar" (number of variable) values. This is normally 16-bits can can be 32-bits if SQLITE_MAX_VARIABLE_NUMBER is large enough. check-in: 24a4d520 user: drh tags: trunk
01:56
Report errors back up to the ATTACH command if the codec fails to initialize. check-in: a6c69610 user: drh tags: trunk
2009-11-03
19:42
Fix compiler warnings on MSVC build. check-in: 01c4b5b8 user: shane tags: trunk
Changes
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Changes to src/attach.c.

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    sqlite3PagerLockingMode(pPager, db->dfltLockMode);
    sqlite3PagerJournalMode(pPager, db->dfltJournalMode);
  }
  aNew->zName = sqlite3DbStrDup(db, zName);
  aNew->safety_level = 3;

#if SQLITE_HAS_CODEC
  {
    extern int sqlite3CodecAttach(sqlite3*, int, const void*, int);
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;
    int t = sqlite3_value_type(argv[2]);
    switch( t ){
      case SQLITE_INTEGER:
................................................................................
        rc = SQLITE_ERROR;
        break;
        
      case SQLITE_TEXT:
      case SQLITE_BLOB:
        nKey = sqlite3_value_bytes(argv[2]);
        zKey = (char *)sqlite3_value_blob(argv[2]);
        sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;

      case SQLITE_NULL:
        /* No key specified.  Use the key from the main database */
        sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey);
        sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;
    }
  }
#endif

  /* If the file was opened successfully, read the schema for the new database.
  ** If this fails, or if opening the file failed, then close the file and 







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    sqlite3PagerLockingMode(pPager, db->dfltLockMode);
    sqlite3PagerJournalMode(pPager, db->dfltJournalMode);
  }
  aNew->zName = sqlite3DbStrDup(db, zName);
  aNew->safety_level = 3;

#if SQLITE_HAS_CODEC
  if( rc==SQLITE_OK ){
    extern int sqlite3CodecAttach(sqlite3*, int, const void*, int);
    extern void sqlite3CodecGetKey(sqlite3*, int, void**, int*);
    int nKey;
    char *zKey;
    int t = sqlite3_value_type(argv[2]);
    switch( t ){
      case SQLITE_INTEGER:
................................................................................
        rc = SQLITE_ERROR;
        break;
        
      case SQLITE_TEXT:
      case SQLITE_BLOB:
        nKey = sqlite3_value_bytes(argv[2]);
        zKey = (char *)sqlite3_value_blob(argv[2]);
        rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;

      case SQLITE_NULL:
        /* No key specified.  Use the key from the main database */
        sqlite3CodecGetKey(db, 0, (void**)&zKey, &nKey);
        rc = sqlite3CodecAttach(db, db->nDb-1, zKey, nKey);
        break;
    }
  }
#endif

  /* If the file was opened successfully, read the schema for the new database.
  ** If this fails, or if opening the file failed, then close the file and