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Change "name" nonterminal in cursor-related productions to cursor_name.

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This is a preparatory patch for allowing a dynamic cursor name be used in the
ECPG grammar.

Author: Zoltan Boszormenyi
This commit is contained in:
Alvaro Herrera 2009-11-11 20:31:26 +00:00
parent af054db6ef
commit e9984c47e9
3 changed files with 44 additions and 41 deletions
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43
src/backend/parser/gram.y
View File

@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.691 2009/11/11 19:25:40 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.692 2009/11/11 20:31:26 alvherre Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -251,7 +251,7 @@ static TypeName *TableFuncTypeName(List *columns);
%type <str> copy_file_name
database_name access_method_clause access_method attr_name
index_name name file_name cluster_index_specification
index_name name cursor_name file_name cluster_index_specification
%type <list> func_name handler_name qual_Op qual_all_Op subquery_Op
opt_class opt_inline_handler opt_validator validator_clause
@ -1941,7 +1941,7 @@ reloption_elem:
*****************************************************************************/
ClosePortalStmt:
CLOSE name
CLOSE cursor_name
{
ClosePortalStmt *n = makeNode(ClosePortalStmt);
n->portalname = $2;
@ -4194,7 +4194,7 @@ FetchStmt: FETCH fetch_args
}
;
fetch_args: name
fetch_args: cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $1;
@ -4202,7 +4202,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| from_in name
| from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $2;
@ -4210,7 +4210,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| NEXT opt_from_in name
| NEXT opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4218,7 +4218,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| PRIOR opt_from_in name
| PRIOR opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4226,7 +4226,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| FIRST_P opt_from_in name
| FIRST_P opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4234,7 +4234,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| LAST_P opt_from_in name
| LAST_P opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4242,7 +4242,7 @@ fetch_args: name
n->howMany = -1;
$$ = (Node *)n;
}
| ABSOLUTE_P SignedIconst opt_from_in name
| ABSOLUTE_P SignedIconst opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -4250,7 +4250,7 @@ fetch_args: name
n->howMany = $2;
$$ = (Node *)n;
}
| RELATIVE_P SignedIconst opt_from_in name
| RELATIVE_P SignedIconst opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -4258,7 +4258,7 @@ fetch_args: name
n->howMany = $2;
$$ = (Node *)n;
}
| SignedIconst opt_from_in name
| SignedIconst opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4266,7 +4266,7 @@ fetch_args: name
n->howMany = $1;
$$ = (Node *)n;
}
| ALL opt_from_in name
| ALL opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4274,7 +4274,7 @@ fetch_args: name
n->howMany = FETCH_ALL;
$$ = (Node *)n;
}
| FORWARD opt_from_in name
| FORWARD opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4282,7 +4282,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| FORWARD SignedIconst opt_from_in name
| FORWARD SignedIconst opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -4290,7 +4290,7 @@ fetch_args: name
n->howMany = $2;
$$ = (Node *)n;
}
| FORWARD ALL opt_from_in name
| FORWARD ALL opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -4298,7 +4298,7 @@ fetch_args: name
n->howMany = FETCH_ALL;
$$ = (Node *)n;
}
| BACKWARD opt_from_in name
| BACKWARD opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $3;
@ -4306,7 +4306,7 @@ fetch_args: name
n->howMany = 1;
$$ = (Node *)n;
}
| BACKWARD SignedIconst opt_from_in name
| BACKWARD SignedIconst opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -4314,7 +4314,7 @@ fetch_args: name
n->howMany = $2;
$$ = (Node *)n;
}
| BACKWARD ALL opt_from_in name
| BACKWARD ALL opt_from_in cursor_name
{
FetchStmt *n = makeNode(FetchStmt);
n->portalname = $4;
@ -7108,7 +7108,7 @@ set_target_list:
* CURSOR STATEMENTS
*
*****************************************************************************/
DeclareCursorStmt: DECLARE name cursor_options CURSOR opt_hold FOR SelectStmt
DeclareCursorStmt: DECLARE cursor_name cursor_options CURSOR opt_hold FOR SelectStmt
{
DeclareCursorStmt *n = makeNode(DeclareCursorStmt);
n->portalname = $2;
@ -7119,6 +7119,9 @@ DeclareCursorStmt: DECLARE name cursor_options CURSOR opt_hold FOR SelectStmt
}
;
cursor_name: name { $$ = $1; }
;
cursor_options: /*EMPTY*/ { $$ = 0; }
| cursor_options NO SCROLL { $$ = $1 | CURSOR_OPT_NO_SCROLL; }
| cursor_options SCROLL { $$ = $1 | CURSOR_OPT_SCROLL; }

36
src/interfaces/ecpg/preproc/ecpg.addons
View File

@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.7 2009/11/11 19:25:40 alvherre Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.addons,v 1.8 2009/11/11 20:31:26 alvherre Exp $ */
ECPG: stmtClosePortalStmt block
{
@ -211,32 +211,32 @@ ECPG: var_valueNumericOnly addon
free($1);
$1 = make_str("$0");
}
ECPG: fetch_argsname addon
ECPG: fetch_argscursor_name addon
add_additional_variables($1, false);
ECPG: fetch_argsfrom_inname addon
ECPG: fetch_argsfrom_incursor_name addon
add_additional_variables($2, false);
ECPG: fetch_argsNEXTopt_from_inname addon
ECPG: fetch_argsPRIORopt_from_inname addon
ECPG: fetch_argsFIRST_Popt_from_inname addon
ECPG: fetch_argsLAST_Popt_from_inname addon
ECPG: fetch_argsALLopt_from_inname addon
ECPG: fetch_argsFORWARDopt_from_inname addon
ECPG: fetch_argsBACKWARDopt_from_inname addon
ECPG: fetch_argsNEXTopt_from_incursor_name addon
ECPG: fetch_argsPRIORopt_from_incursor_name addon
ECPG: fetch_argsFIRST_Popt_from_incursor_name addon
ECPG: fetch_argsLAST_Popt_from_incursor_name addon
ECPG: fetch_argsALLopt_from_incursor_name addon
ECPG: fetch_argsFORWARDopt_from_incursor_name addon
ECPG: fetch_argsBACKWARDopt_from_incursor_name addon
add_additional_variables($3, false);
ECPG: fetch_argsSignedIconstopt_from_inname addon
ECPG: fetch_argsSignedIconstopt_from_incursor_name addon
add_additional_variables($3, false);
if ($1[0] == '$')
{
free($1);
$1 = make_str("$0");
}
ECPG: fetch_argsFORWARDALLopt_from_inname addon
ECPG: fetch_argsBACKWARDALLopt_from_inname addon
ECPG: fetch_argsFORWARDALLopt_from_incursor_name addon
ECPG: fetch_argsBACKWARDALLopt_from_incursor_name addon
add_additional_variables($4, false);
ECPG: fetch_argsABSOLUTE_PSignedIconstopt_from_inname addon
ECPG: fetch_argsRELATIVE_PSignedIconstopt_from_inname addon
ECPG: fetch_argsFORWARDSignedIconstopt_from_inname addon
ECPG: fetch_argsBACKWARDSignedIconstopt_from_inname addon
ECPG: fetch_argsABSOLUTE_PSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsRELATIVE_PSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsFORWARDSignedIconstopt_from_incursor_name addon
ECPG: fetch_argsBACKWARDSignedIconstopt_from_incursor_name addon
add_additional_variables($4, false);
if ($2[0] == '$')
{
@ -257,7 +257,7 @@ ECPG: PrepareStmtPREPAREprepared_nameprep_type_clauseASPreparableStmt block
}
ECPG: ExecuteStmtEXECUTEprepared_nameexecute_param_clauseexecute_rest block
{ $$ = $2; }
ECPG: DeclareCursorStmtDECLAREnamecursor_optionsCURSORopt_holdFORSelectStmt block
ECPG: DeclareCursorStmtDECLAREcursor_namecursor_optionsCURSORopt_holdFORSelectStmt block
{
struct cursor *ptr, *this;
char *comment;

6
src/interfaces/ecpg/preproc/ecpg.trailer
View File

@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.13 2009/11/05 23:24:27 tgl Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.trailer,v 1.14 2009/11/11 20:31:26 alvherre Exp $ */
statements: /*EMPTY*/
| statements statement
@ -275,7 +275,7 @@ prepared_name: name {
* Declare a prepared cursor. The syntax is different from the standard
* declare statement, so we create a new rule.
*/
ECPGCursorStmt: DECLARE name cursor_options CURSOR opt_hold FOR prepared_name
ECPGCursorStmt: DECLARE cursor_name cursor_options CURSOR opt_hold FOR prepared_name
{
struct cursor *ptr, *this;
struct variable *thisquery = (struct variable *)mm_alloc(sizeof(struct variable));
@ -947,7 +947,7 @@ ECPGFree: SQL_FREE name { $$ = $2; }
/*
* open is an open cursor, at the moment this has to be removed
*/
ECPGOpen: SQL_OPEN name opt_ecpg_using { $$ = $2; };
ECPGOpen: SQL_OPEN cursor_name opt_ecpg_using { $$ = $2; };
opt_ecpg_using: /*EMPTY*/ { $$ = EMPTY; }
| ecpg_using { $$ = $1; }