4693   Expr *pColumn,       /* The COLUMN part of the constraint */  in constInsert()  argument
4698   assert( pColumn->op==TK_COLUMN );  in constInsert()
4701   if( ExprHasProperty(pColumn, EP_FixedCol) ) return;  in constInsert()
4712     if( pE2->iTable==pColumn->iTable  in constInsert()
4713      && pE2->iColumn==pColumn->iColumn  in constInsert()
4718   if( sqlite3ExprAffinity(pColumn)==SQLITE_AFF_BLOB ){  in constInsert()
4728     pConst->apExpr[pConst->nConst*2-2] = pColumn;  in constInsert()
4789     Expr *pColumn = pConst->apExpr[i*2];  in propagateConstantExprRewriteOne()  local
4790     if( pColumn==pExpr ) continue;  in propagateConstantExprRewriteOne()
4791     if( pColumn->iTable!=pExpr->iTable ) continue;  in propagateConstantExprRewriteOne()
4792     if( pColumn->iColumn!=pExpr->iColumn ) continue;  in propagateConstantExprRewriteOne()
4793     if( bIgnoreAffBlob && sqlite3ExprAffinity(pColumn)==SQLITE_AFF_BLOB ){  in propagateConstantExprRewriteOne()