From 7c079d7417a8f2d4bf5144732e2f85117db9214f Mon Sep 17 00:00:00 2001 From: Peter Eisentraut Date: Fri, 25 Jan 2019 11:27:59 +0100 Subject: Allow generalized expression syntax for partition bounds Previously, only literals were allowed. This change allows general expressions, including functions calls, which are evaluated at the time the DDL command is executed. Besides offering some more functionality, it simplifies the parser structures and removes some inconsistencies in how the literals were handled. Author: Kyotaro Horiguchi, Tom Lane, Amit Langote Reviewed-by: Peter Eisentraut Discussion: https://www.postgresql.org/message-id/flat/9f88b5e0-6da2-5227-20d0-0d7012beaa1c@lab.ntt.co.jp/ --- src/backend/parser/parse_expr.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/backend/parser/parse_expr.c') diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c index a47697a4215..3e0a762c41e 100644 --- a/src/backend/parser/parse_expr.c +++ b/src/backend/parser/parse_expr.c @@ -1843,6 +1843,9 @@ transformSubLink(ParseState *pstate, SubLink *sublink) case EXPR_KIND_TRIGGER_WHEN: err = _("cannot use subquery in trigger WHEN condition"); break; + case EXPR_KIND_PARTITION_BOUND: + err = _("cannot use subquery in partition bound"); + break; case EXPR_KIND_PARTITION_EXPRESSION: err = _("cannot use subquery in partition key expression"); break; @@ -3474,6 +3477,8 @@ ParseExprKindName(ParseExprKind exprKind) return "EXECUTE"; case EXPR_KIND_TRIGGER_WHEN: return "WHEN"; + case EXPR_KIND_PARTITION_BOUND: + return "partition bound"; case EXPR_KIND_PARTITION_EXPRESSION: return "PARTITION BY"; case EXPR_KIND_CALL_ARGUMENT: -- cgit v1.2.3