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Allow the query for a plpgsql cursor to begin with '(' as well as 'SELECT'.

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Per example from Kumar, 30-Oct-03.
REL7_4_STABLE
Tom Lane 22 years ago
parent f4b4d7ce60
commit 3108b5db28
1 changed files with 7 additions and 5 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. 12
      src/pl/plpgsql/src/gram.y

12
src/pl/plpgsql/src/gram.y
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@ -4,7 +4,7 @@
* procedural language * procedural language
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.47 2003/09/25 23:02:12 tgl Exp $ * $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.48 2003/10/30 17:18:55 tgl Exp $
* *
* This software is copyrighted by Jan Wieck - Hamburg. * This software is copyrighted by Jan Wieck - Hamburg.
* *
@ -393,7 +393,7 @@ decl_statement : decl_varname decl_const decl_datatype decl_notnull decl_defval
} }
| decl_varname K_CURSOR | decl_varname K_CURSOR
{ plpgsql_ns_push(NULL); } { plpgsql_ns_push(NULL); }
decl_cursor_args decl_is_from K_SELECT decl_cursor_query decl_cursor_args decl_is_from decl_cursor_query
{ {
PLpgSQL_var *new; PLpgSQL_var *new;
PLpgSQL_expr *curname_def; PLpgSQL_expr *curname_def;
@ -430,7 +430,7 @@ decl_statement : decl_varname decl_const decl_datatype decl_notnull decl_defval
new->datatype = plpgsql_parse_datatype("refcursor"); new->datatype = plpgsql_parse_datatype("refcursor");
new->cursor_explicit_expr = $7; new->cursor_explicit_expr = $6;
if ($4 == NULL) if ($4 == NULL)
new->cursor_explicit_argrow = -1; new->cursor_explicit_argrow = -1;
else else
@ -447,7 +447,7 @@ decl_cursor_query :
PLpgSQL_expr *query; PLpgSQL_expr *query;
plpgsql_ns_setlocal(false); plpgsql_ns_setlocal(false);
query = read_sql_stmt("SELECT "); query = read_sql_stmt("");
plpgsql_ns_setlocal(true); plpgsql_ns_setlocal(true);
$$ = query; $$ = query;
@ -1396,7 +1396,9 @@ stmt_open : K_OPEN lno cursor_varptr
switch (tok) switch (tok)
{ {
case K_SELECT: case K_SELECT:
new->query = read_sql_stmt("SELECT "); case '(':
plpgsql_push_back_token(tok);
new->query = read_sql_stmt("");
break; break;
case K_EXECUTE: case K_EXECUTE:

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