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Overview
Comment:Remove a faulty assert() from the CLI. Forum post 726c4f7db0.
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SHA3-256: 4bbebb6bfb9910265d91b777c1711b3b8e0732bcf299f7459b20c4ea110422bd
User & Date: drh 2023-04-27 23:44:38
Context
2023-04-27
23:59
Use a new technique to detect fresh OOM faults in columnName() that does not rely on there being no OOMs prior to entry into columnName(), as [forum/forumpost/fb6811c2f9|forum post fb6811c2f9] demonstrates a technique which could cause an OOM prior to entry into columnName(). (check-in: a63346d6 user: drh tags: trunk)
23:44
Remove a faulty assert() from the CLI. Forum post 726c4f7db0. (check-in: 4bbebb6b user: drh tags: trunk)
23:40
Remove an ALWAYS() macro that can in fact sometimes be false. Forum post f0e872fcee. (check-in: d85880e4 user: drh tags: trunk)
Changes
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Changes to src/shell.c.in.

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          "|| ' AND typeof('||cname||')=''text'' ',\n"
          "' OR ') as query, tname from tabcols group by tname)"
          , zRevText);
      shell_check_oom(zRevText);
      if( bDebug ) utf8_printf(p->out, "%s\n", zRevText);
      lrc = sqlite3_prepare_v2(p->db, zRevText, -1, &pStmt, 0);
      if( lrc!=SQLITE_OK ){
        assert(lrc==SQLITE_NOMEM);

        rc = 1;
      }else{
        if( zLike ) sqlite3_bind_text(pStmt,1,zLike,-1,SQLITE_STATIC);
        lrc = SQLITE_ROW==sqlite3_step(pStmt);
        if( lrc ){
          const char *zGenQuery = (char*)sqlite3_column_text(pStmt,0);
          sqlite3_stmt *pCheckStmt;








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          "|| ' AND typeof('||cname||')=''text'' ',\n"
          "' OR ') as query, tname from tabcols group by tname)"
          , zRevText);
      shell_check_oom(zRevText);
      if( bDebug ) utf8_printf(p->out, "%s\n", zRevText);
      lrc = sqlite3_prepare_v2(p->db, zRevText, -1, &pStmt, 0);
      if( lrc!=SQLITE_OK ){
        /* assert(lrc==SQLITE_NOMEM); // might also be SQLITE_ERROR if the
        ** user does cruel and unnatural things like ".limit expr_depth 0". */
        rc = 1;
      }else{
        if( zLike ) sqlite3_bind_text(pStmt,1,zLike,-1,SQLITE_STATIC);
        lrc = SQLITE_ROW==sqlite3_step(pStmt);
        if( lrc ){
          const char *zGenQuery = (char*)sqlite3_column_text(pStmt,0);
          sqlite3_stmt *pCheckStmt;
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