diff options
Diffstat (limited to 'src/backend/parser/analyze.c')
| -rw-r--r-- | src/backend/parser/analyze.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/src/backend/parser/analyze.c b/src/backend/parser/analyze.c index a3a92f6db9c..1d1cf7acf48 100644 --- a/src/backend/parser/analyze.c +++ b/src/backend/parser/analyze.c @@ -6,7 +6,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: analyze.c,v 1.149 2000/07/02 04:04:09 tgl Exp $ + * $Id: analyze.c,v 1.150 2000/07/14 15:43:32 thomas Exp $ * *------------------------------------------------------------------------- */ @@ -200,6 +200,38 @@ transformStmt(ParseState *pstate, Node *parseTree) result = transformAlterTableStmt(pstate, (AlterTableStmt *) parseTree); break; + case T_SetSessionStmt: + { + List *l; + /* Session is a list of SetVariable nodes + * so just run through the list. + */ + SetSessionStmt *stmt = (SetSessionStmt *) parseTree; + + l = stmt->args; + /* First check for duplicate keywords (disallowed by SQL99) */ + while (l != NULL) + { + VariableSetStmt *v = (VariableSetStmt *) lfirst(l); + List *ll = lnext(l); + while (ll != NULL) + { + VariableSetStmt *vv = (VariableSetStmt *) lfirst(ll); + if (strcmp(v->name, vv->name) == 0) + elog(ERROR, "SET SESSION CHARACTERISTICS duplicated entry not allowed"); + ll = lnext(ll); + } + l = lnext(l); + } + + l = stmt->args; + result = transformStmt(pstate, lfirst(l)); + l = lnext(l); + if (l != NULL) + extras_after = lappend(extras_after, lfirst(l)); + } + break; + /*------------------------ * Optimizable statements *------------------------ |