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Fix overly strict Assert in jsonpath code

author David Rowley <drowley@postgresql.org>

Tue, 1 Aug 2023 13:39:47 +0000 (01:39 +1200)

committer David Rowley <drowley@postgresql.org>

Tue, 1 Aug 2023 13:39:47 +0000 (01:39 +1200)

This was failing for queries which try to get the .type() of a
jpiLikeRegex. For example:

select jsonb_path_query('["string", "string"]',
'($[0] like_regex ".{7}").type()');

Reported-by: Alexander Kozhemyakin
Bug: #18035
Discussion: https://postgr.es/m/18035-64af5cdcb5adf2a9@postgresql.org
Backpatch-through: 12, where SQL/JSON path was added.

src/backend/utils/adt/jsonpath.c patch | blob | blame | history

diff --git a/src/backend/utils/adt/jsonpath.c b/src/backend/utils/adt/jsonpath.c

index 7891fde3105a56ec9d14950329830b5038a9ccb3..c5ba3b7f1d0525da8b681b2232caab8550563c29 100644 (file)

--- a/src/backend/utils/adt/jsonpath.c

+++ b/src/backend/utils/adt/jsonpath.c

@@ -1014,7 +1014,8 @@ jspGetNext(JsonPathItem *v, JsonPathItem *a)

v->type == jpiDouble ||

v->type == jpiDatetime ||

v->type == jpiKeyValue ||

- v->type == jpiStartsWith);

+ v->type == jpiStartsWith ||

+ v->type == jpiLikeRegex);

if (a)

jspInitByBuffer(a, v->base, v->nextPos);

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