SQLite

      p->nCol = pSelTab->nCol;
      p->aCol = pSelTab->aCol;
      pSelTab->nCol = 0;
      pSelTab->aCol = 0;
      sqlite3DeleteTable(db, pSelTab);
      sqlite3SelectDestInit(&dest, SRT_Coroutine, regYield);
      sqlite3Select(pParse, pSelect, &dest);
      if( pParse->nErr ) return;
      sqlite3VdbeEndCoroutine(v, regYield);
      sqlite3VdbeJumpHere(v, addrTop - 1);
      addrInsLoop = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
      VdbeCoverage(v);
      sqlite3VdbeAddOp3(v, OP_MakeRecord, dest.iSdst, dest.nSdst, regRec);
      sqlite3TableAffinity(v, p, 0);
      sqlite3VdbeAddOp2(v, OP_NewRowid, 1, regRowid);

  execsql2 {SELECT BBb FROM (SELECT aaa AS Bbb FROM t1)}
} {Bbb 123}
do_execsql_test colname-9.320 {
  CREATE TABLE t2 AS SELECT BBb FROM (SELECT aaa AS Bbb FROM t1);
  SELECT name FROM pragma_table_info('t2');
} {Bbb}

# Issue detected by clusterfuzz on 2017-12-24 (Christmas Eve)
# Issue detected by OSSFuzz on 2017-12-24 (Christmas Eve)
# caused by check-in https://sqlite.org/src/info/6b2ff26c25
#
# Prior to being fixed, the following CREATE TABLE was dereferencing
# a NULL pointer and segfaulting.
#
do_catchsql_test colname-9.400 {
  CREATE TABLE t4 AS SELECT #0;
} {1 {near "#0": syntax error}}

# Issue detected by OSSFuzz on 2017-12-25 (Christmas Day)
# also caused by check-in https://sqlite.org/src/info/6b2ff26c25
#
# Prior to being fixed, the following CREATE TABLE caused an
# assertion fault.
#
do_catchsql_test colname-9.410 {
  CREATE TABLE t5 AS SELECT RAISE(abort,a);
} {1 {RAISE() may only be used within a trigger-program}}

# Make sure the quotation marks get removed from the column names
# when constructing a new table from an aggregate SELECT.
# Email from Juergen Palm on 2017-07-11.
#
do_execsql_test colname-10.100 {
  DROP TABLE IF EXISTS t1;