Clean up of copyfuncs.
authorBruce Momjian
Sun, 11 Jan 1998 20:02:32 +0000 (20:02 +0000)
committerBruce Momjian
Sun, 11 Jan 1998 20:02:32 +0000 (20:02 +0000)
src/backend/nodes/copyfuncs.c
src/backend/parser/gram.y
src/bin/psql/psqlHelp.h
src/man/insert.l

index 95e793d93683b94864da377bbd86cc4aaeaf3a03..28dc982abbf3ec0ea59041efc7681c5a358c13bb 100644 (file)
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.28 1998/01/09 05:48:10 momjian Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.29 1998/01/11 20:01:53 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -82,6 +82,7 @@ CopyPlanFields(Plan *from, Plan *newnode)
    newnode->cost = from->cost;
    newnode->plan_size = from->plan_size;
    newnode->plan_width = from->plan_width;
+   newnode->plan_tupperpage = from->plan_tupperpage;
    newnode->state = from->state;
    newnode->targetlist = copyObject(from->targetlist);
    newnode->qual = copyObject(from->qual);
@@ -153,6 +154,7 @@ _copyAppend(Append *from)
     * ----------------
     */
    Node_Copy(from, newnode, unionplans);
+   Node_Copy(from, newnode, unionrts);
    newnode->unionrelid = from->unionrelid;
    Node_Copy(from, newnode, unionrtentries);
    Node_Copy(from, newnode, unionstate);
@@ -190,7 +192,7 @@ _copyScan(Scan *from)
     * ----------------
     */
    CopyPlanFields((Plan *) from, (Plan *) newnode);
-   CopyScanFields(from, newnode);
+   CopyScanFields((Scan *) from, (Scan *) newnode);
 
    return newnode;
 }
@@ -310,7 +312,6 @@ static MergeJoin *
 _copyMergeJoin(MergeJoin *from)
 {
    MergeJoin  *newnode = makeNode(MergeJoin);
-   List       *newlist;
 
    /* ----------------
     *  copy node superclass fields
@@ -326,7 +327,6 @@ _copyMergeJoin(MergeJoin *from)
    Node_Copy(from, newnode, mergeclauses);
 
    newnode->mergesortop = from->mergesortop;
-   newlist = NIL;
 
    newnode->mergerightorder = (Oid *) palloc(sizeof(Oid) * 2);
    newnode->mergerightorder[0] = from->mergerightorder[0];
@@ -458,7 +458,9 @@ _copySort(Sort *from)
     * ----------------
     */
    Node_Copy(from, newnode, sortstate);
-
+   Node_Copy(from, newnode, psortstate);
+   newnode->cleaned = from->cleaned;
+   
    return newnode;
 }
 
@@ -473,8 +475,7 @@ _copyGroup(Group *from)
    Group      *newnode = makeNode(Group);
    
    CopyPlanFields((Plan *) from, (Plan *) newnode);
-   CopyTempFields((Temp *) from, (Temp *) newnode);
-   
+
    newnode->tuplePerGroup = from->tuplePerGroup;
    newnode->numCols = from->numCols;
    newnode->grpColIdx = palloc (from->numCols * sizeof (AttrNumber));
@@ -495,14 +496,11 @@ _copyAgg(Agg *from)
    int         i;
 
    CopyPlanFields((Plan *) from, (Plan *) newnode);
-   CopyTempFields((Temp *) from, (Temp *) newnode);
 
    newnode->numAgg = from->numAgg;
     newnode->aggs = palloc(sizeof(Aggreg *));
    for (i = 0; i < from->numAgg; i++)
-   {
        newnode->aggs[i] = copyObject(from->aggs[i]);
-   }
 
    Node_Copy(from, newnode, aggstate);
 
@@ -518,8 +516,8 @@ _copyGroupClause(GroupClause *from)
 {
        GroupClause        *newnode = makeNode(GroupClause);
 
+       Node_Copy(from, newnode, entry);
        newnode->grpOpoid = from->grpOpoid;
-       newnode->entry = copyObject(from->entry);
 
        return newnode;
 }
@@ -545,6 +543,8 @@ _copyUnique(Unique *from)
     *  copy remainder of node
     * ----------------
     */
+   newnode->uniqueAttr = pstrdup(from->uniqueAttr);
+   newnode->uniqueAttrNum = from->uniqueAttrNum;
    Node_Copy(from, newnode, uniquestate);
 
    return newnode;
@@ -599,13 +599,7 @@ _copyResdom(Resdom *from)
    newnode->reslen = from->reslen;
 
    if (from->resname != NULL)
-   {
-       newnode->resname = palloc(strlen(from->resname) + 1);
-       strcpy(newnode->resname, from->resname);
-   }
-   else
-       newnode->resname = (char *) NULL;
-
+       newnode->resname = pstrdup(from->resname);
    newnode->reskey = from->reskey;
    newnode->reskeyop = from->reskeyop;
    newnode->resjunk = from->resjunk;
@@ -630,14 +624,12 @@ _copyFjoin(Fjoin *from)
 
    newnode->fj_results = (DatumPtr)
        palloc((from->fj_nNodes) * sizeof(Datum));
-
-   newnode->fj_alwaysDone = (BoolPtr)
-       palloc((from->fj_nNodes) * sizeof(bool));
-
    memmove(from->fj_results,
            newnode->fj_results,
            (from->fj_nNodes) * sizeof(Datum));
 
+   newnode->fj_alwaysDone = (BoolPtr)
+       palloc((from->fj_nNodes) * sizeof(bool));
    memmove(from->fj_alwaysDone,
            newnode->fj_alwaysDone,
            (from->fj_nNodes) * sizeof(bool));
@@ -741,6 +733,8 @@ _copyConst(Const *from)
    /* ----------------
     *  XXX super cheesy hack until parser/planner
     *  puts in the right values here.
+    *
+    *  But I like cheese.
     * ----------------
     */
    if (!from->constisnull && cached_type != from->consttype)
@@ -826,6 +820,8 @@ _copyConst(Const *from)
    }
    newnode->constisnull = from->constisnull;
    newnode->constbyval = from->constbyval;
+   newnode->constisset = from->constisset;
+   newnode->constiscast = from->constiscast;
 
    return newnode;
 }
@@ -847,12 +843,7 @@ _copyParam(Param *from)
    newnode->paramid = from->paramid;
 
    if (from->paramname != NULL)
-   {
        newnode->paramname = pstrdup(from->paramname);
-   }
-   else
-       newnode->paramname = (char *) NULL;
-
    newnode->paramtype = from->paramtype;
    Node_Copy(from, newnode, param_tlist);
 
@@ -899,11 +890,9 @@ _copyAggreg(Aggreg *from)
    newnode->aggname = pstrdup(from->aggname);
    newnode->basetype = from->basetype;
    newnode->aggtype = from->aggtype;
-   newnode->usenulls = from->usenulls;
-
    Node_Copy(from, newnode, target);
-
    newnode->aggno = from->aggno;
+   newnode->usenulls = from->usenulls;
 
    return newnode;
 }
@@ -937,9 +926,9 @@ _copyArrayRef(ArrayRef *from)
     *  copy remainder of node
     * ----------------
     */
-   newnode->refelemtype = from->refelemtype;
    newnode->refattrlength = from->refattrlength;
    newnode->refelemlength = from->refelemlength;
+   newnode->refelemtype = from->refelemtype;
    newnode->refelembyval = from->refelembyval;
 
    Node_Copy(from, newnode, refupperindexpr);
@@ -982,14 +971,11 @@ _copyRel(Rel *from)
    newnode->tuples = from->tuples;
    newnode->size = from->size;
    newnode->width = from->width;
-   newnode->indproc = from->indproc;
-
    Node_Copy(from, newnode, targetlist);
    Node_Copy(from, newnode, pathlist);
    Node_Copy(from, newnode, unorderedpath);
    Node_Copy(from, newnode, cheapestpath);
    newnode->pruneable = from->pruneable;
-   newnode->relam = from->relam;
 
    if (from->classlist)
    {
@@ -997,9 +983,7 @@ _copyRel(Rel *from)
            ;
        newnode->classlist = (Oid *) palloc(sizeof(Oid) * (len + 1));
        for (i = 0; i < len; i++)
-       {
            newnode->classlist[i] = from->classlist[i];
-       }
        newnode->classlist[len] = 0;
    }
 
@@ -1009,21 +993,21 @@ _copyRel(Rel *from)
            ;
        newnode->indexkeys = (int *) palloc(sizeof(int) * (len + 1));
        for (i = 0; i < len; i++)
-       {
            newnode->indexkeys[i] = from->indexkeys[i];
-       }
        newnode->indexkeys[len] = 0;
    }
 
+   newnode->relam = from->relam;
+   newnode->indproc = from->indproc;
+   Node_Copy(from, newnode, indpred);
+   
    if (from->ordering)
    {
        for (len = 0; from->ordering[len] != 0; len++)
            ;
        newnode->ordering = (Oid *) palloc(sizeof(Oid) * (len + 1));
        for (i = 0; i < len; i++)
-       {
            newnode->ordering[i] = from->ordering[i];
-       }
        newnode->ordering[len] = 0;
    }
 
@@ -1070,15 +1054,9 @@ CopyPathFields(Path *from, Path *newnode)
            newnode->p_ordering.ord.sortop =
                (Oid *) palloc(sizeof(Oid) * (len + 1));
            for (i = 0; i < len; i++)
-           {
                newnode->p_ordering.ord.sortop[i] = ordering[i];
-           }
            newnode->p_ordering.ord.sortop[len] = 0;
        }
-       else
-       {
-           newnode->p_ordering.ord.sortop = NULL;
-       }
    }
    else
    {
@@ -1138,9 +1116,7 @@ _copyIndexPath(IndexPath *from)
            ;
        newnode->indexkeys = (int *) palloc(sizeof(int) * (len + 1));
        for (i = 0; i < len; i++)
-       {
            newnode->indexkeys[i] = from->indexkeys[i];
-       }
        newnode->indexkeys[len] = 0;
    }
 
@@ -1364,6 +1340,7 @@ _copyHInfo(HInfo *from)
     *  copy remainder of node
     * ----------------
     */
+   CopyJoinMethodFields((JoinMethod *)from, (JoinMethod *)newnode);
    newnode->hashop = from->hashop;
 
    return newnode;
@@ -1382,6 +1359,7 @@ _copyMInfo(MInfo *from)
     *  copy remainder of node
     * ----------------
     */
+   CopyJoinMethodFields((JoinMethod *)from, (JoinMethod *)newnode);
    Node_Copy(from, newnode, m_ordering);
 
    return newnode;
@@ -1429,15 +1407,17 @@ _copyStream(Stream *from)
    newnode->pathptr = from->pathptr;
    newnode->cinfo = from->cinfo;
    newnode->clausetype = from->clausetype;
-   newnode->groupup = from->groupup;
-   newnode->groupcost = from->groupcost;
-   newnode->groupsel = from->groupsel;
+
    newnode->upstream = (StreamPtr) NULL;       /* only copy nodes
                                                 * downwards! */
    Node_Copy(from, newnode, downstream);
    if (newnode->downstream)
        ((Stream *) newnode->downstream)->upstream = (Stream *) newnode;
 
+   newnode->groupup = from->groupup;
+   newnode->groupcost = from->groupcost;
+   newnode->groupsel = from->groupsel;
+
    return newnode;
 }
 
@@ -1462,12 +1442,15 @@ _copyRangeTblEntry(RangeTblEntry *from)
 {
    RangeTblEntry *newnode = makeNode(RangeTblEntry);
 
-   memcpy(newnode, from, sizeof(RangeTblEntry));
    if (from->relname)
        newnode->relname = pstrdup(from->relname);
    if (from->refname)
        newnode->refname = pstrdup(from->refname);
+   newnode->relid = from->relid;
+   newnode->inh = from->inh;
+   newnode->inFromCl = from->inFromCl;
 
+       
    return newnode;
 }
 
@@ -1499,13 +1482,8 @@ _copyTypeName(TypeName *from)
    TypeName   *newnode = makeNode(TypeName);
 
    if (from->name)
-   {
        newnode->name = pstrdup(from->name);
-   }
-   else
-   {
-       from->name = (char *) 0;
-   }
+   newnode->timezone = from->timezone;
    newnode->setof = from->setof;
    Node_Copy(from, newnode, arrayBounds);
    newnode->typlen = from->typlen;
@@ -1524,40 +1502,25 @@ _copyQuery(Query *from)
    {
        NotifyStmt *from_notify = (NotifyStmt *) from->utilityStmt;
        NotifyStmt *n = makeNode(NotifyStmt);
-       int         length = strlen(from_notify->relname);
 
-       n->relname = palloc(length + 1);
-       strcpy(n->relname, from_notify->relname);
+       n->relname = pstrdup(from_notify->relname);
        newnode->utilityStmt = (Node *) n;
    }
    newnode->resultRelation = from->resultRelation;
-   /* probably should dup this string instead of just pointing */
-   /* to the old one  --djm */
    if (from->into)
-   {
        newnode->into = pstrdup(from->into);
-   }
-   else
-   {
-       newnode->into = (char *) 0;
-   }
    newnode->isPortal = from->isPortal;
    newnode->isBinary = from->isBinary;
    newnode->unionall = from->unionall;
    if (from->uniqueFlag)
-   {
-       newnode->uniqueFlag = (char *) palloc(strlen(from->uniqueFlag) + 1);
-       strcpy(newnode->uniqueFlag, from->uniqueFlag);
-   }
-   else
-       newnode->uniqueFlag = NULL;
+       newnode->uniqueFlag = pstrdup(from->uniqueFlag);
    Node_Copy(from, newnode, sortClause);
    Node_Copy(from, newnode, rtable);
    Node_Copy(from, newnode, targetList);
    Node_Copy(from, newnode, qual);
 
    Node_Copy(from, newnode, groupClause);
-   Node_Copy(from, newnode, havingQual); /* currently ignored */
+   Node_Copy(from, newnode, havingQual);
 
    newnode->qry_numAgg = from->qry_numAgg;
    if (from->qry_numAgg > 0)
@@ -1567,8 +1530,6 @@ _copyQuery(Query *from)
        for (i=0; i < from->qry_numAgg; i++)
            newnode->qry_aggs[i] = _copyAggreg(from->qry_aggs[i]);
    }
-   else
-       newnode->qry_aggs = NULL;
 
    if (from->unionClause)
    {
@@ -1578,8 +1539,6 @@ _copyQuery(Query *from)
            temp_list = lappend(temp_list,copyObject(lfirst(ulist)));
        newnode->unionClause = temp_list;
    }
-   else
-       newnode->unionClause = NULL;
                
    return newnode;
 }
index 38513e4cd96bdca5517456b0ff7c17718570febe..d2ed0d2633f5470bb647006b21381f3664861a87 100644 (file)
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *   $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.89 1998/01/11 03:41:38 momjian Exp $
+ *   $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.90 1998/01/11 20:01:59 momjian Exp $
  *
  * HISTORY
  *   AUTHOR            DATE            MAJOR EVENT
@@ -1960,6 +1960,8 @@ ViewStmt:  CREATE VIEW name AS SelectStmt
                    ViewStmt *n = makeNode(ViewStmt);
                    n->viewname = $3;
                    n->query = (Query *)$5;
+                   if (((SelectStmt *)n->query)->sortClause != NULL)
+                       elog(ERROR,"Order by and Distinct on views is not implemented.");
                    if (((SelectStmt *)n->query)->unionClause != NULL)
                        elog(ERROR,"Views on unions not implemented.");
                    $$ = (Node *)n;
index 7dc2e69c5aa4dfc2f9f463b25c9a3c4ed3ec0bd8..3feb800bfad41ca75a02bf419341e0991ef94932 100644 (file)
@@ -5,7 +5,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: psqlHelp.h,v 1.37 1998/01/11 04:36:25 momjian Exp $
+ * $Id: psqlHelp.h,v 1.38 1998/01/11 20:02:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -150,7 +150,8 @@ static struct _helpStruct QL_HELP[] = {
    {"create view",
        "create a view",
    "create view  as\n\
-\tselect [as ][,... [as ]]\n\
+\tselect\n\
+\t[as ][,... [as ]]\n\
 \t[from ]\n\
 \t[where ]\n\
 \t[group by ];"},
@@ -159,8 +160,11 @@ static struct _helpStruct QL_HELP[] = {
    "declare  [binary] cursor for\n\
 \tselect [distinct]\n\
 \t [as ],... [as ]\n\
-\t[from ] [where ]\n\
-\t[order by  [using ],...  [using ]];"},
+\t[from ]\n\
+\t[where ]\n\
+\t[group by ]\n\
+\t[order by  [using ],...  [using ]]\n\
+\t[union [all] select ...];"},
    {"delete",
        "delete tuples",
    "delete from  [where ];"},
@@ -234,7 +238,8 @@ static struct _helpStruct QL_HELP[] = {
        "insert tuples",
    "insert into  [(...)]\n\
 \tvalues (...); |\n\
-\tselect ,...\n\
+\tselect [distinct]\n\
+\t,...\n\
 \t[from ]\n\
 \t[where ]\n\
 \t[group by ]\n\
index df7a53b2b1121000aa9ccbf3f608056fc1c53e56..c817984793cd12f5c5638af3edd73a7fff90a8ef 100644 (file)
@@ -1,6 +1,6 @@
 .\" This is -*-nroff-*-
 .\" XXX standard disclaimer belongs here....
-.\" $Header: /cvsroot/pgsql/src/man/Attic/insert.l,v 1.7 1998/01/11 04:36:28 momjian Exp $
+.\" $Header: /cvsroot/pgsql/src/man/Attic/insert.l,v 1.8 1998/01/11 20:02:32 momjian Exp $
 .TH INSERT SQL 11/05/95 PostgreSQL PostgreSQL
 .SH NAME
 insert \(em insert tuples to a relation
@@ -9,7 +9,8 @@ insert \(em insert tuples to a relation
 \fBinsert\fR into classname
     [(att.expr-1 [,att_expr.i] )]
     {\fBvalues\fR (expression1 [,expression-i] ) |
-    \fBselect\fR expression1 [,expression-i]
+    \fBselect\fR [distinct]
+    expression1 [,expression-i]
     [\fBfrom\fR from-list] [\fBwhere\fR qual] 
     [\fBgroup by\fR attr_name1 {, attr_name-i....}]
     [\fBunion {all} select\fR ...]