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Fix collation of JSON_TABLE output columns

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The output columns of JSON_TABLE should have the collations of their
data type.  The existing implementation sets the default collation if
the type is collatable.

Reviewed-by: Andrew Dunstan <andrew@dunslane.net>
Discussion: https://www.postgresql.org/message-id/flat/9d75ce67-0121-5050-5bec-bf5009db55ce%40enterprisedb.com
This commit is contained in:
Peter Eisentraut 2022-06-10 06:05:08 +02:00
parent 4a8a5dd7f5
commit 2172455865
1 changed files with 1 additions and 4 deletions
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5
src/backend/parser/parse_jsontable.c
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@ -514,10 +514,7 @@ appendJsonTableColumns(JsonTableContext *cxt, List *columns)
tf->coltypes = lappend_oid(tf->coltypes, typid);
tf->coltypmods = lappend_int(tf->coltypmods, typmod);
tf->colcollations = lappend_oid(tf->colcollations,
type_is_collatable(typid)
? DEFAULT_COLLATION_OID
: InvalidOid);
tf->colcollations = lappend_oid(tf->colcollations, get_typcollation(typid));
tf->colvalexprs = lappend(tf->colvalexprs, colexpr);
}
}