From: | Amit Langote <amitlan(at)postgresql(dot)org> |
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To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
Subject: | pgsql: SQL/JSON: Fix JSON_TABLE() column deparsing |
Date: | 2024-09-06 03:07:14 |
Message-ID: | E1smPJZ-000LNf-7P@gemulon.postgresql.org |
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Lists: | pgsql-committers |
SQL/JSON: Fix JSON_TABLE() column deparsing
The deparsing code in get_json_expr_options() unnecessarily emitted
the default column-specific ON ERROR / EMPTY behavior when the
top-level ON ERROR behavior in JSON_TABLE was set to ERROR. Fix that
by not overriding the column-specific default, determined based on
the column's JsonExprOp in get_json_table_columns(), with
JSON_BEHAVIOR_ERROR when that is the top-level ON ERROR behavior.
Note that this only removes redundancy; the current deparsing output
is not incorrect, just redundant.
Reviewed-by: Jian He <jian(dot)universality(at)gmail(dot)com>
Discussion: https://postgr.es/m/CACJufxEo4sUjKCYtda0_qt9tazqqKPmF1cqhW9KBOUeJFqQd2g@mail.gmail.com
Backpatch-through: 17
Branch
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REL_17_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/c88ce386c4d7bfeb437ff31ec7c23c392c862e77
Modified Files
--------------
src/backend/utils/adt/ruleutils.c | 8 ++++----
src/test/regress/expected/sqljson_jsontable.out | 18 ++++++++++++++++++
src/test/regress/sql/sqljson_jsontable.sql | 5 +++++
3 files changed, 27 insertions(+), 4 deletions(-)
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