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Implement differentiation between CURRENT_USER and SESSION_USER as per SQL.

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There is still no effective difference but it will kick in once setuid
functions exist (not included here).  Make old getpgusername() alias for
current_user.
This commit is contained in:
Peter Eisentraut
2000-09-19 18:18:04 +00:00
parent e9c3f0255f
commit 457ac0331c
12 changed files with 166 additions and 65 deletions
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8
src/backend/parser/gram.y
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@ -11,7 +11,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.190 2000/09/15 18:45:30 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.191 2000/09/19 18:17:55 petere Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -4993,7 +4993,7 @@ c_expr: attr
| CURRENT_USER
{
FuncCall *n = makeNode(FuncCall);
n->funcname = "getpgusername";
n->funcname = "current_user";
n->args = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
@ -5002,7 +5002,7 @@ c_expr: attr
| SESSION_USER
{
FuncCall *n = makeNode(FuncCall);
n->funcname = "getpgusername";
n->funcname = "session_user";
n->args = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;
@ -5011,7 +5011,7 @@ c_expr: attr
| USER
{
FuncCall *n = makeNode(FuncCall);
n->funcname = "getpgusername";
n->funcname = "current_user";
n->args = NIL;
n->agg_star = FALSE;
n->agg_distinct = FALSE;