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michaelpqmichaelpq
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Rename field "relkind" to "objtype" for CTAS and ALTER TABLE nodes
"relkind" normally refers to the char field from pg_class. However, in the parse nodes AlterTableStmt and CreateTableAsStmt, "relkind" was used for a field of type enum ObjectType, that could refer to other object types than those possible for a relkind. Such fields being usually named "objtype", switch the name in both structures to make things more consistent. Note that this led to some confusion in functions that also operate on a RangeTableEntry object, which also has a field named "relkind". This naming goes back to commit 09d4e96, where only OBJECT_TABLE and OBJECT_INDEX were used. This got extended later to use as well OBJECT_TYPE with e440e12, not really a relation kind. Author: Mark Dilger Reviewed-by: Daniel Gustafsson, Álvaro Herrera, Michael Paquier Discussion: https://postgr.es/m/609181AE-E399-47C7-9221-856E0F96BF93@enterprisedb.com
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8 files changed

+37
-37
lines changed

8 files changed

+37
-37
lines changed

‎src/backend/commands/tablecmds.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -4709,7 +4709,7 @@ ATParseTransformCmd(List **wqueue, AlteredTableInfo *tab, Relation rel,
47094709
-1);
47104710
atstmt->relation->inh = recurse;
47114711
atstmt->cmds = list_make1(cmd);
4712-
atstmt->relkind = OBJECT_TABLE; /* needn't be picky here */
4712+
atstmt->objtype = OBJECT_TABLE; /* needn't be picky here */
47134713
atstmt->missing_ok = false;
47144714

47154715
/* Transform the AlterTableStmt */
@@ -15594,7 +15594,7 @@ RangeVarCallbackForAlterRelation(const RangeVar *rv, Oid relid, Oid oldrelid,
1559415594
reltype = ((AlterObjectSchemaStmt *) stmt)->objectType;
1559515595

1559615596
else if (IsA(stmt, AlterTableStmt))
15597-
reltype = ((AlterTableStmt *) stmt)->relkind;
15597+
reltype = ((AlterTableStmt *) stmt)->objtype;
1559815598
else
1559915599
{
1560015600
elog(ERROR, "unrecognized node type: %d", (int) nodeTag(stmt));

‎src/backend/nodes/copyfuncs.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3204,7 +3204,7 @@ _copyAlterTableStmt(const AlterTableStmt *from)
32043204

32053205
COPY_NODE_FIELD(relation);
32063206
COPY_NODE_FIELD(cmds);
3207-
COPY_SCALAR_FIELD(relkind);
3207+
COPY_SCALAR_FIELD(objtype);
32083208
COPY_SCALAR_FIELD(missing_ok);
32093209

32103210
return newnode;
@@ -3980,7 +3980,7 @@ _copyCreateTableAsStmt(const CreateTableAsStmt *from)
39803980

39813981
COPY_NODE_FIELD(query);
39823982
COPY_NODE_FIELD(into);
3983-
COPY_SCALAR_FIELD(relkind);
3983+
COPY_SCALAR_FIELD(objtype);
39843984
COPY_SCALAR_FIELD(is_select_into);
39853985
COPY_SCALAR_FIELD(if_not_exists);
39863986

‎src/backend/nodes/equalfuncs.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1087,7 +1087,7 @@ _equalAlterTableStmt(const AlterTableStmt *a, const AlterTableStmt *b)
10871087
{
10881088
COMPARE_NODE_FIELD(relation);
10891089
COMPARE_NODE_FIELD(cmds);
1090-
COMPARE_SCALAR_FIELD(relkind);
1090+
COMPARE_SCALAR_FIELD(objtype);
10911091
COMPARE_SCALAR_FIELD(missing_ok);
10921092

10931093
return true;
@@ -1735,7 +1735,7 @@ _equalCreateTableAsStmt(const CreateTableAsStmt *a, const CreateTableAsStmt *b)
17351735
{
17361736
COMPARE_NODE_FIELD(query);
17371737
COMPARE_NODE_FIELD(into);
1738-
COMPARE_SCALAR_FIELD(relkind);
1738+
COMPARE_SCALAR_FIELD(objtype);
17391739
COMPARE_SCALAR_FIELD(is_select_into);
17401740
COMPARE_SCALAR_FIELD(if_not_exists);
17411741

‎src/backend/parser/analyze.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -229,7 +229,7 @@ transformOptionalSelectInto(ParseState *pstate, Node *parseTree)
229229

230230
ctas->query = parseTree;
231231
ctas->into = stmt->intoClause;
232-
ctas->relkind = OBJECT_TABLE;
232+
ctas->objtype = OBJECT_TABLE;
233233
ctas->is_select_into = true;
234234

235235
/*
@@ -2572,7 +2572,7 @@ transformCreateTableAsStmt(ParseState *pstate, CreateTableAsStmt *stmt)
25722572
stmt->query = (Node *) query;
25732573

25742574
/* additional work needed for CREATE MATERIALIZED VIEW */
2575-
if (stmt->relkind == OBJECT_MATVIEW)
2575+
if (stmt->objtype == OBJECT_MATVIEW)
25762576
{
25772577
/*
25782578
* Prohibit a data-modifying CTE in the query used to create a

‎src/backend/parser/gram.y‎

Lines changed: 22 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -1844,7 +1844,7 @@ AlterTableStmt:
18441844
AlterTableStmt *n = makeNode(AlterTableStmt);
18451845
n->relation = $3;
18461846
n->cmds = $4;
1847-
n->relkind = OBJECT_TABLE;
1847+
n->objtype = OBJECT_TABLE;
18481848
n->missing_ok = false;
18491849
$$ = (Node *)n;
18501850
}
@@ -1853,7 +1853,7 @@ AlterTableStmt:
18531853
AlterTableStmt *n = makeNode(AlterTableStmt);
18541854
n->relation = $5;
18551855
n->cmds = $6;
1856-
n->relkind = OBJECT_TABLE;
1856+
n->objtype = OBJECT_TABLE;
18571857
n->missing_ok = true;
18581858
$$ = (Node *)n;
18591859
}
@@ -1862,7 +1862,7 @@ AlterTableStmt:
18621862
AlterTableStmt *n = makeNode(AlterTableStmt);
18631863
n->relation = $3;
18641864
n->cmds = list_make1($4);
1865-
n->relkind = OBJECT_TABLE;
1865+
n->objtype = OBJECT_TABLE;
18661866
n->missing_ok = false;
18671867
$$ = (Node *)n;
18681868
}
@@ -1871,7 +1871,7 @@ AlterTableStmt:
18711871
AlterTableStmt *n = makeNode(AlterTableStmt);
18721872
n->relation = $5;
18731873
n->cmds = list_make1($6);
1874-
n->relkind = OBJECT_TABLE;
1874+
n->objtype = OBJECT_TABLE;
18751875
n->missing_ok = true;
18761876
$$ = (Node *)n;
18771877
}
@@ -1902,7 +1902,7 @@ AlterTableStmt:
19021902
AlterTableStmt *n = makeNode(AlterTableStmt);
19031903
n->relation = $3;
19041904
n->cmds = $4;
1905-
n->relkind = OBJECT_INDEX;
1905+
n->objtype = OBJECT_INDEX;
19061906
n->missing_ok = false;
19071907
$$ = (Node *)n;
19081908
}
@@ -1911,7 +1911,7 @@ AlterTableStmt:
19111911
AlterTableStmt *n = makeNode(AlterTableStmt);
19121912
n->relation = $5;
19131913
n->cmds = $6;
1914-
n->relkind = OBJECT_INDEX;
1914+
n->objtype = OBJECT_INDEX;
19151915
n->missing_ok = true;
19161916
$$ = (Node *)n;
19171917
}
@@ -1920,7 +1920,7 @@ AlterTableStmt:
19201920
AlterTableStmt *n = makeNode(AlterTableStmt);
19211921
n->relation = $3;
19221922
n->cmds = list_make1($4);
1923-
n->relkind = OBJECT_INDEX;
1923+
n->objtype = OBJECT_INDEX;
19241924
n->missing_ok = false;
19251925
$$ = (Node *)n;
19261926
}
@@ -1951,7 +1951,7 @@ AlterTableStmt:
19511951
AlterTableStmt *n = makeNode(AlterTableStmt);
19521952
n->relation = $3;
19531953
n->cmds = $4;
1954-
n->relkind = OBJECT_SEQUENCE;
1954+
n->objtype = OBJECT_SEQUENCE;
19551955
n->missing_ok = false;
19561956
$$ = (Node *)n;
19571957
}
@@ -1960,7 +1960,7 @@ AlterTableStmt:
19601960
AlterTableStmt *n = makeNode(AlterTableStmt);
19611961
n->relation = $5;
19621962
n->cmds = $6;
1963-
n->relkind = OBJECT_SEQUENCE;
1963+
n->objtype = OBJECT_SEQUENCE;
19641964
n->missing_ok = true;
19651965
$$ = (Node *)n;
19661966
}
@@ -1969,7 +1969,7 @@ AlterTableStmt:
19691969
AlterTableStmt *n = makeNode(AlterTableStmt);
19701970
n->relation = $3;
19711971
n->cmds = $4;
1972-
n->relkind = OBJECT_VIEW;
1972+
n->objtype = OBJECT_VIEW;
19731973
n->missing_ok = false;
19741974
$$ = (Node *)n;
19751975
}
@@ -1978,7 +1978,7 @@ AlterTableStmt:
19781978
AlterTableStmt *n = makeNode(AlterTableStmt);
19791979
n->relation = $5;
19801980
n->cmds = $6;
1981-
n->relkind = OBJECT_VIEW;
1981+
n->objtype = OBJECT_VIEW;
19821982
n->missing_ok = true;
19831983
$$ = (Node *)n;
19841984
}
@@ -1987,7 +1987,7 @@ AlterTableStmt:
19871987
AlterTableStmt *n = makeNode(AlterTableStmt);
19881988
n->relation = $4;
19891989
n->cmds = $5;
1990-
n->relkind = OBJECT_MATVIEW;
1990+
n->objtype = OBJECT_MATVIEW;
19911991
n->missing_ok = false;
19921992
$$ = (Node *)n;
19931993
}
@@ -1996,7 +1996,7 @@ AlterTableStmt:
19961996
AlterTableStmt *n = makeNode(AlterTableStmt);
19971997
n->relation = $6;
19981998
n->cmds = $7;
1999-
n->relkind = OBJECT_MATVIEW;
1999+
n->objtype = OBJECT_MATVIEW;
20002000
n->missing_ok = true;
20012001
$$ = (Node *)n;
20022002
}
@@ -2027,7 +2027,7 @@ AlterTableStmt:
20272027
AlterTableStmt *n = makeNode(AlterTableStmt);
20282028
n->relation = $4;
20292029
n->cmds = $5;
2030-
n->relkind = OBJECT_FOREIGN_TABLE;
2030+
n->objtype = OBJECT_FOREIGN_TABLE;
20312031
n->missing_ok = false;
20322032
$$ = (Node *)n;
20332033
}
@@ -2036,7 +2036,7 @@ AlterTableStmt:
20362036
AlterTableStmt *n = makeNode(AlterTableStmt);
20372037
n->relation = $6;
20382038
n->cmds = $7;
2039-
n->relkind = OBJECT_FOREIGN_TABLE;
2039+
n->objtype = OBJECT_FOREIGN_TABLE;
20402040
n->missing_ok = true;
20412041
$$ = (Node *)n;
20422042
}
@@ -2856,7 +2856,7 @@ AlterCompositeTypeStmt:
28562856
/* can't use qualified_name, sigh */
28572857
n->relation = makeRangeVarFromAnyName($3, @3, yyscanner);
28582858
n->cmds = $4;
2859-
n->relkind = OBJECT_TYPE;
2859+
n->objtype = OBJECT_TYPE;
28602860
$$ = (Node *)n;
28612861
}
28622862
;
@@ -4072,7 +4072,7 @@ CreateAsStmt:
40724072
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
40734073
ctas->query = $6;
40744074
ctas->into = $4;
4075-
ctas->relkind = OBJECT_TABLE;
4075+
ctas->objtype = OBJECT_TABLE;
40764076
ctas->is_select_into = false;
40774077
ctas->if_not_exists = false;
40784078
/* cram additional flags into the IntoClause */
@@ -4085,7 +4085,7 @@ CreateAsStmt:
40854085
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
40864086
ctas->query = $9;
40874087
ctas->into = $7;
4088-
ctas->relkind = OBJECT_TABLE;
4088+
ctas->objtype = OBJECT_TABLE;
40894089
ctas->is_select_into = false;
40904090
ctas->if_not_exists = true;
40914091
/* cram additional flags into the IntoClause */
@@ -4131,7 +4131,7 @@ CreateMatViewStmt:
41314131
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
41324132
ctas->query = $7;
41334133
ctas->into = $5;
4134-
ctas->relkind = OBJECT_MATVIEW;
4134+
ctas->objtype = OBJECT_MATVIEW;
41354135
ctas->is_select_into = false;
41364136
ctas->if_not_exists = false;
41374137
/* cram additional flags into the IntoClause */
@@ -4144,7 +4144,7 @@ CreateMatViewStmt:
41444144
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
41454145
ctas->query = $10;
41464146
ctas->into = $8;
4147-
ctas->relkind = OBJECT_MATVIEW;
4147+
ctas->objtype = OBJECT_MATVIEW;
41484148
ctas->is_select_into = false;
41494149
ctas->if_not_exists = true;
41504150
/* cram additional flags into the IntoClause */
@@ -10695,7 +10695,7 @@ ExecuteStmt: EXECUTE name execute_param_clause
1069510695
n->params = $8;
1069610696
ctas->query = (Node *) n;
1069710697
ctas->into = $4;
10698-
ctas->relkind = OBJECT_TABLE;
10698+
ctas->objtype = OBJECT_TABLE;
1069910699
ctas->is_select_into = false;
1070010700
ctas->if_not_exists = false;
1070110701
/* cram additional flags into the IntoClause */
@@ -10712,7 +10712,7 @@ ExecuteStmt: EXECUTE name execute_param_clause
1071210712
n->params = $11;
1071310713
ctas->query = (Node *) n;
1071410714
ctas->into = $7;
10715-
ctas->relkind = OBJECT_TABLE;
10715+
ctas->objtype = OBJECT_TABLE;
1071610716
ctas->is_select_into = false;
1071710717
ctas->if_not_exists = true;
1071810718
/* cram additional flags into the IntoClause */

‎src/backend/parser/parse_utilcmd.c‎

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -829,7 +829,7 @@ transformColumnDefinition(CreateStmtContext *cxt, ColumnDef *column)
829829
stmt = makeNode(AlterTableStmt);
830830
stmt->relation = cxt->relation;
831831
stmt->cmds = NIL;
832-
stmt->relkind = OBJECT_FOREIGN_TABLE;
832+
stmt->objtype = OBJECT_FOREIGN_TABLE;
833833
stmt->cmds = lappend(stmt->cmds, cmd);
834834

835835
cxt->alist = lappend(cxt->alist, stmt);
@@ -2508,7 +2508,7 @@ transformIndexConstraint(Constraint *constraint, CreateStmtContext *cxt)
25082508

25092509
alterstmt->relation = copyObject(cxt->relation);
25102510
alterstmt->cmds = notnullcmds;
2511-
alterstmt->relkind = OBJECT_TABLE;
2511+
alterstmt->objtype = OBJECT_TABLE;
25122512
alterstmt->missing_ok = false;
25132513

25142514
cxt->alist = lappend(cxt->alist, alterstmt);
@@ -2610,7 +2610,7 @@ transformFKConstraints(CreateStmtContext *cxt,
26102610

26112611
alterstmt->relation = cxt->relation;
26122612
alterstmt->cmds = NIL;
2613-
alterstmt->relkind = OBJECT_TABLE;
2613+
alterstmt->objtype = OBJECT_TABLE;
26142614

26152615
foreach(fkclist, cxt->fkconstraints)
26162616
{

‎src/backend/tcop/utility.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -2574,7 +2574,7 @@ CreateCommandTag(Node *parsetree)
25742574
break;
25752575

25762576
case T_AlterTableStmt:
2577-
tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->relkind);
2577+
tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->objtype);
25782578
break;
25792579

25802580
case T_AlterDomainStmt:
@@ -2752,7 +2752,7 @@ CreateCommandTag(Node *parsetree)
27522752
break;
27532753

27542754
case T_CreateTableAsStmt:
2755-
switch (((CreateTableAsStmt *) parsetree)->relkind)
2755+
switch (((CreateTableAsStmt *) parsetree)->objtype)
27562756
{
27572757
case OBJECT_TABLE:
27582758
if (((CreateTableAsStmt *) parsetree)->is_select_into)

‎src/include/nodes/parsenodes.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1776,7 +1776,7 @@ typedef struct AlterTableStmt
17761776
NodeTag type;
17771777
RangeVar *relation; /* table to work on */
17781778
List *cmds; /* list of subcommands */
1779-
ObjectType relkind; /* type of object */
1779+
ObjectType objtype; /* type of object */
17801780
bool missing_ok; /* skip error if table missing */
17811781
} AlterTableStmt;
17821782

@@ -3275,7 +3275,7 @@ typedef struct CreateTableAsStmt
32753275
NodeTag type;
32763276
Node *query; /* the query (see comments above) */
32773277
IntoClause *into; /* destination table */
3278-
ObjectType relkind; /* OBJECT_TABLE or OBJECT_MATVIEW */
3278+
ObjectType objtype; /* OBJECT_TABLE or OBJECT_MATVIEW */
32793279
bool is_select_into; /* it was written as SELECT INTO */
32803280
bool if_not_exists; /* just do nothing if it already exists? */
32813281
} CreateTableAsStmt;

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