// Set the explicit collating sequence for an expression to the collating sequence supplied in the second argument.
internal static Expr sqlite3ExprSetColl(Expr pExpr, CollSeq pColl)
{
if (pExpr != null && pColl != null)
{
pExpr.pColl = pColl;
pExpr.flags |= Expr.EP_ExpCollate;
}
return pExpr;
}
public ITable pZombieTab; // List of Table objects to delete after code gen
#endif
#endregion
public void CopyFrom(Expr cf)
{
op = cf.op;
affinity = cf.affinity;
flags = cf.flags;
u = cf.u;
pColl = (cf.pColl == null ? null : cf.pColl.Copy());
iTable = cf.iTable;
iColumn = cf.iColumn;
pAggInfo = (cf.pAggInfo == null ? null : cf.pAggInfo.Copy());
iAgg = cf.iAgg;
iRightJoinTable = cf.iRightJoinTable;
flags2 = cf.flags2;
pTab = (cf.pTab == null ? null : cf.pTab);
#if SQLITE_MAX_EXPR_DEPTH
nHeight = cf.nHeight;
pZombieTab = cf.pZombieTab;
#endif
pLeft = (cf.pLeft == null ? null : cf.pLeft.Copy());
pRight = (cf.pRight == null ? null : cf.pRight.Copy());
x.pList = (cf.x.pList == null ? null : cf.x.pList.Copy());
x.pSelect = (cf.x.pSelect == null ? null : cf.x.pSelect.Copy());
}
