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Rename field "relkind" to "objtype" for CTAS and ALTER TABLE nodes

Browse Source 
"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
pull/55/head
Michael Paquier 6 years ago
parent df646509f3
commit cc35d8933a
8 changed files with 37 additions and 37 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      src/backend/commands/tablecmds.c
  2. 4
      src/backend/nodes/copyfuncs.c
  3. 4
      src/backend/nodes/equalfuncs.c
  4. 4
      src/backend/parser/analyze.c
  5. 44
      src/backend/parser/gram.y
  6. 6
      src/backend/parser/parse_utilcmd.c
  7. 4
      src/backend/tcop/utility.c
  8. 4
      src/include/nodes/parsenodes.h

4
src/backend/commands/tablecmds.c
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@ -4709,7 +4709,7 @@ ATParseTransformCmd(List **wqueue, AlteredTableInfo *tab, Relation rel,
-1);
atstmt->relation->inh = recurse;
atstmt->cmds = list_make1(cmd);
atstmt->relkind = OBJECT_TABLE; /* needn't be picky here */
atstmt->objtype = OBJECT_TABLE; /* needn't be picky here */
atstmt->missing_ok = false;
/* Transform the AlterTableStmt */
@ -15594,7 +15594,7 @@ RangeVarCallbackForAlterRelation(const RangeVar *rv, Oid relid, Oid oldrelid,
reltype = ((AlterObjectSchemaStmt *) stmt)->objectType;
else if (IsA(stmt, AlterTableStmt))
reltype = ((AlterTableStmt *) stmt)->relkind;
reltype = ((AlterTableStmt *) stmt)->objtype;
else
{
elog(ERROR, "unrecognized node type: %d", (int) nodeTag(stmt));

4
src/backend/nodes/copyfuncs.c
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@ -3204,7 +3204,7 @@ _copyAlterTableStmt(const AlterTableStmt *from)
COPY_NODE_FIELD(relation);
COPY_NODE_FIELD(cmds);
COPY_SCALAR_FIELD(relkind);
COPY_SCALAR_FIELD(objtype);
COPY_SCALAR_FIELD(missing_ok);
return newnode;
@ -3980,7 +3980,7 @@ _copyCreateTableAsStmt(const CreateTableAsStmt *from)
COPY_NODE_FIELD(query);
COPY_NODE_FIELD(into);
COPY_SCALAR_FIELD(relkind);
COPY_SCALAR_FIELD(objtype);
COPY_SCALAR_FIELD(is_select_into);
COPY_SCALAR_FIELD(if_not_exists);

4
src/backend/nodes/equalfuncs.c
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@ -1087,7 +1087,7 @@ _equalAlterTableStmt(const AlterTableStmt *a, const AlterTableStmt *b)
{
COMPARE_NODE_FIELD(relation);
COMPARE_NODE_FIELD(cmds);
COMPARE_SCALAR_FIELD(relkind);
COMPARE_SCALAR_FIELD(objtype);
COMPARE_SCALAR_FIELD(missing_ok);
return true;
@ -1735,7 +1735,7 @@ _equalCreateTableAsStmt(const CreateTableAsStmt *a, const CreateTableAsStmt *b)
{
COMPARE_NODE_FIELD(query);
COMPARE_NODE_FIELD(into);
COMPARE_SCALAR_FIELD(relkind);
COMPARE_SCALAR_FIELD(objtype);
COMPARE_SCALAR_FIELD(is_select_into);
COMPARE_SCALAR_FIELD(if_not_exists);

4
src/backend/parser/analyze.c
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@ -229,7 +229,7 @@ transformOptionalSelectInto(ParseState *pstate, Node *parseTree)
ctas->query = parseTree;
ctas->into = stmt->intoClause;
ctas->relkind = OBJECT_TABLE;
ctas->objtype = OBJECT_TABLE;
ctas->is_select_into = true;
/*
@ -2572,7 +2572,7 @@ transformCreateTableAsStmt(ParseState *pstate, CreateTableAsStmt *stmt)
stmt->query = (Node *) query;
/* additional work needed for CREATE MATERIALIZED VIEW */
if (stmt->relkind == OBJECT_MATVIEW)
if (stmt->objtype == OBJECT_MATVIEW)
{
/*
* Prohibit a data-modifying CTE in the query used to create a

44
src/backend/parser/gram.y
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@ -1844,7 +1844,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = $4;
n->relkind = OBJECT_TABLE;
n->objtype = OBJECT_TABLE;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1853,7 +1853,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $5;
n->cmds = $6;
n->relkind = OBJECT_TABLE;
n->objtype = OBJECT_TABLE;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -1862,7 +1862,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = list_make1($4);
n->relkind = OBJECT_TABLE;
n->objtype = OBJECT_TABLE;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1871,7 +1871,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $5;
n->cmds = list_make1($6);
n->relkind = OBJECT_TABLE;
n->objtype = OBJECT_TABLE;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -1902,7 +1902,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = $4;
n->relkind = OBJECT_INDEX;
n->objtype = OBJECT_INDEX;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1911,7 +1911,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $5;
n->cmds = $6;
n->relkind = OBJECT_INDEX;
n->objtype = OBJECT_INDEX;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -1920,7 +1920,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = list_make1($4);
n->relkind = OBJECT_INDEX;
n->objtype = OBJECT_INDEX;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1951,7 +1951,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = $4;
n->relkind = OBJECT_SEQUENCE;
n->objtype = OBJECT_SEQUENCE;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1960,7 +1960,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $5;
n->cmds = $6;
n->relkind = OBJECT_SEQUENCE;
n->objtype = OBJECT_SEQUENCE;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -1969,7 +1969,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $3;
n->cmds = $4;
n->relkind = OBJECT_VIEW;
n->objtype = OBJECT_VIEW;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1978,7 +1978,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $5;
n->cmds = $6;
n->relkind = OBJECT_VIEW;
n->objtype = OBJECT_VIEW;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -1987,7 +1987,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $4;
n->cmds = $5;
n->relkind = OBJECT_MATVIEW;
n->objtype = OBJECT_MATVIEW;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -1996,7 +1996,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $6;
n->cmds = $7;
n->relkind = OBJECT_MATVIEW;
n->objtype = OBJECT_MATVIEW;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -2027,7 +2027,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $4;
n->cmds = $5;
n->relkind = OBJECT_FOREIGN_TABLE;
n->objtype = OBJECT_FOREIGN_TABLE;
n->missing_ok = false;
$$ = (Node *)n;
}
@ -2036,7 +2036,7 @@ AlterTableStmt:
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relation = $6;
n->cmds = $7;
n->relkind = OBJECT_FOREIGN_TABLE;
n->objtype = OBJECT_FOREIGN_TABLE;
n->missing_ok = true;
$$ = (Node *)n;
}
@ -2856,7 +2856,7 @@ AlterCompositeTypeStmt:
/* can't use qualified_name, sigh */
n->relation = makeRangeVarFromAnyName($3, @3, yyscanner);
n->cmds = $4;
n->relkind = OBJECT_TYPE;
n->objtype = OBJECT_TYPE;
$$ = (Node *)n;
}
;
@ -4072,7 +4072,7 @@ CreateAsStmt:
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
ctas->query = $6;
ctas->into = $4;
ctas->relkind = OBJECT_TABLE;
ctas->objtype = OBJECT_TABLE;
ctas->is_select_into = false;
ctas->if_not_exists = false;
/* cram additional flags into the IntoClause */
@ -4085,7 +4085,7 @@ CreateAsStmt:
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
ctas->query = $9;
ctas->into = $7;
ctas->relkind = OBJECT_TABLE;
ctas->objtype = OBJECT_TABLE;
ctas->is_select_into = false;
ctas->if_not_exists = true;
/* cram additional flags into the IntoClause */
@ -4131,7 +4131,7 @@ CreateMatViewStmt:
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
ctas->query = $7;
ctas->into = $5;
ctas->relkind = OBJECT_MATVIEW;
ctas->objtype = OBJECT_MATVIEW;
ctas->is_select_into = false;
ctas->if_not_exists = false;
/* cram additional flags into the IntoClause */
@ -4144,7 +4144,7 @@ CreateMatViewStmt:
CreateTableAsStmt *ctas = makeNode(CreateTableAsStmt);
ctas->query = $10;
ctas->into = $8;
ctas->relkind = OBJECT_MATVIEW;
ctas->objtype = OBJECT_MATVIEW;
ctas->is_select_into = false;
ctas->if_not_exists = true;
/* cram additional flags into the IntoClause */
@ -10695,7 +10695,7 @@ ExecuteStmt: EXECUTE name execute_param_clause
n->params = $8;
ctas->query = (Node *) n;
ctas->into = $4;
ctas->relkind = OBJECT_TABLE;
ctas->objtype = OBJECT_TABLE;
ctas->is_select_into = false;
ctas->if_not_exists = false;
/* cram additional flags into the IntoClause */
@ -10712,7 +10712,7 @@ ExecuteStmt: EXECUTE name execute_param_clause
n->params = $11;
ctas->query = (Node *) n;
ctas->into = $7;
ctas->relkind = OBJECT_TABLE;
ctas->objtype = OBJECT_TABLE;
ctas->is_select_into = false;
ctas->if_not_exists = true;
/* cram additional flags into the IntoClause */

6
src/backend/parser/parse_utilcmd.c
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@ -829,7 +829,7 @@ transformColumnDefinition(CreateStmtContext *cxt, ColumnDef *column)
stmt = makeNode(AlterTableStmt);
stmt->relation = cxt->relation;
stmt->cmds = NIL;
stmt->relkind = OBJECT_FOREIGN_TABLE;
stmt->objtype = OBJECT_FOREIGN_TABLE;
stmt->cmds = lappend(stmt->cmds, cmd);
cxt->alist = lappend(cxt->alist, stmt);
@ -2508,7 +2508,7 @@ transformIndexConstraint(Constraint *constraint, CreateStmtContext *cxt)
alterstmt->relation = copyObject(cxt->relation);
alterstmt->cmds = notnullcmds;
alterstmt->relkind = OBJECT_TABLE;
alterstmt->objtype = OBJECT_TABLE;
alterstmt->missing_ok = false;
cxt->alist = lappend(cxt->alist, alterstmt);
@ -2610,7 +2610,7 @@ transformFKConstraints(CreateStmtContext *cxt,
alterstmt->relation = cxt->relation;
alterstmt->cmds = NIL;
alterstmt->relkind = OBJECT_TABLE;
alterstmt->objtype = OBJECT_TABLE;
foreach(fkclist, cxt->fkconstraints)
{

4
src/backend/tcop/utility.c
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@ -2574,7 +2574,7 @@ CreateCommandTag(Node *parsetree)
break;
case T_AlterTableStmt:
tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->relkind);
tag = AlterObjectTypeCommandTag(((AlterTableStmt *) parsetree)->objtype);
break;
case T_AlterDomainStmt:
@ -2752,7 +2752,7 @@ CreateCommandTag(Node *parsetree)
break;
case T_CreateTableAsStmt:
switch (((CreateTableAsStmt *) parsetree)->relkind)
switch (((CreateTableAsStmt *) parsetree)->objtype)
{
case OBJECT_TABLE:
if (((CreateTableAsStmt *) parsetree)->is_select_into)

4
src/include/nodes/parsenodes.h
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@ -1776,7 +1776,7 @@ typedef struct AlterTableStmt
NodeTag type;
RangeVar *relation; /* table to work on */
List *cmds; /* list of subcommands */
ObjectType relkind; /* type of object */
ObjectType objtype; /* type of object */
bool missing_ok; /* skip error if table missing */
} AlterTableStmt;
@ -3275,7 +3275,7 @@ typedef struct CreateTableAsStmt
NodeTag type;
Node *query; /* the query (see comments above) */
IntoClause *into; /* destination table */
ObjectType relkind; /* OBJECT_TABLE or OBJECT_MATVIEW */
ObjectType objtype; /* OBJECT_TABLE or OBJECT_MATVIEW */
bool is_select_into; /* it was written as SELECT INTO */
bool if_not_exists; /* just do nothing if it already exists? */
} CreateTableAsStmt;

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