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| author | Andrew Dunstan <andrew@dunslane.net> | 2022-04-04 15:36:03 -0400 |
|---|---|---|
| committer | Andrew Dunstan <andrew@dunslane.net> | 2022-04-04 16:03:47 -0400 |
| commit | 4e34747c88a03ede6e9d731727815e37273d4bc9 (patch) | |
| tree | c7318a224b908c5dbaba3198324c90ec5429c3a5 /src/include/executor | |
| parent | c42a6fc41dc22b42e5417224440c02893996afb4 (diff) | |
| download | postgresql-4e34747c88a03ede6e9d731727815e37273d4bc9.tar.gz postgresql-4e34747c88a03ede6e9d731727815e37273d4bc9.zip | |
JSON_TABLE
This feature allows jsonb data to be treated as a table and thus used in
a FROM clause like other tabular data. Data can be selected from the
jsonb using jsonpath expressions, and hoisted out of nested structures
in the jsonb to form multiple rows, more or less like an outer join.
Nikita Glukhov
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zhihong Yu (whose
name I previously misspelled), Himanshu Upadhyaya, Daniel Gustafsson,
Justin Pryzby.
Discussion: https://postgr.es/m/7e2cb85d-24cf-4abb-30a5-1a33715959bd@postgrespro.ru
Diffstat (limited to 'src/include/executor')
| -rw-r--r-- | src/include/executor/execExpr.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/executor/execExpr.h b/src/include/executor/execExpr.h index 9ce8df17e5d..9df70e6f06f 100644 --- a/src/include/executor/execExpr.h +++ b/src/include/executor/execExpr.h @@ -850,6 +850,10 @@ extern Datum ExecPrepareJsonItemCoercion(struct JsonbValue *item, struct JsonCoercionState **pjcstate); extern bool ExecEvalJsonNeedsSubTransaction(JsonExpr *jsexpr, struct JsonCoercionsState *); +extern Datum ExecEvalExprPassingCaseValue(ExprState *estate, + ExprContext *econtext, bool *isnull, + Datum caseval_datum, + bool caseval_isnull); extern void ExecAggInitGroup(AggState *aggstate, AggStatePerTrans pertrans, AggStatePerGroup pergroup, ExprContext *aggcontext); |