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| author | Andrew Dunstan <andrew@dunslane.net> | 2022-03-03 13:00:49 -0500 |
|---|---|---|
| committer | Andrew Dunstan <andrew@dunslane.net> | 2022-03-27 17:03:33 -0400 |
| commit | f79b803dcc98d707450e158db3638dc67ff8380b (patch) | |
| tree | a9c33df51b967eeb99b86af92008f7f0bc1e3d6e /src/backend/nodes/outfuncs.c | |
| parent | b64c3bd62ea7064a1a36fbd921e8955fa76faa3e (diff) | |
| download | postgresql-f79b803dcc98d707450e158db3638dc67ff8380b.tar.gz postgresql-f79b803dcc98d707450e158db3638dc67ff8380b.zip | |
Common SQL/JSON clauses
This introduces some of the building blocks used by the SQL/JSON
constructor and query functions. Specifically, it provides node
executor and grammar support for the FORMAT JSON [ENCODING foo]
clause, and values decorated with it, and for the RETURNING clause.
The following SQL/JSON patches will leverage these.
Nikita Glukhov (who probably deserves an award for perseverance).
Reviewers have included (in no particular order) Andres Freund, Alexander
Korotkov, Pavel Stehule, Andrew Alsup, Erik Rijkers, Zihong Yu,
Himanshu Upadhyaya, Daniel Gustafsson, Justin Pryzby.
Discussion: https://postgr.es/m/cd0bb935-0158-78a7-08b5-904886deac4b@postgrespro.ru
Diffstat (limited to 'src/backend/nodes/outfuncs.c')
| -rw-r--r-- | src/backend/nodes/outfuncs.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c index 6bdad462c78..449d90c8f4f 100644 --- a/src/backend/nodes/outfuncs.c +++ b/src/backend/nodes/outfuncs.c @@ -1751,6 +1751,36 @@ _outOnConflictExpr(StringInfo str, const OnConflictExpr *node) WRITE_NODE_FIELD(exclRelTlist); } +static void +_outJsonFormat(StringInfo str, const JsonFormat *node) +{ + WRITE_NODE_TYPE("JSONFORMAT"); + + WRITE_ENUM_FIELD(format_type, JsonFormatType); + WRITE_ENUM_FIELD(encoding, JsonEncoding); + WRITE_LOCATION_FIELD(location); +} + +static void +_outJsonReturning(StringInfo str, const JsonReturning *node) +{ + WRITE_NODE_TYPE("JSONRETURNING"); + + WRITE_NODE_FIELD(format); + WRITE_OID_FIELD(typid); + WRITE_INT_FIELD(typmod); +} + +static void +_outJsonValueExpr(StringInfo str, const JsonValueExpr *node) +{ + WRITE_NODE_TYPE("JSONVALUEEXPR"); + + WRITE_NODE_FIELD(raw_expr); + WRITE_NODE_FIELD(formatted_expr); + WRITE_NODE_FIELD(format); +} + /***************************************************************************** * * Stuff from pathnodes.h. @@ -4537,6 +4567,15 @@ outNode(StringInfo str, const void *obj) case T_PartitionRangeDatum: _outPartitionRangeDatum(str, obj); break; + case T_JsonFormat: + _outJsonFormat(str, obj); + break; + case T_JsonReturning: + _outJsonReturning(str, obj); + break; + case T_JsonValueExpr: + _outJsonValueExpr(str, obj); + break; default: |