From 2f2b18bd3f554e96a8cc885b177211be12288e4a Mon Sep 17 00:00:00 2001
From: Andrew Dunstan <andrew@dunslane.net>
Date: Thu, 1 Sep 2022 17:07:14 -0400
Subject: Revert SQL/JSON features

The reverts the following and makes some associated cleanups:

    commit f79b803dc: Common SQL/JSON clauses
    commit f4fb45d15: SQL/JSON constructors
    commit 5f0adec25: Make STRING an unreserved_keyword.
    commit 33a377608: IS JSON predicate
    commit 1a36bc9db: SQL/JSON query functions
    commit 606948b05: SQL JSON functions
    commit 49082c2cc: RETURNING clause for JSON() and JSON_SCALAR()
    commit 4e34747c8: JSON_TABLE
    commit fadb48b00: PLAN clauses for JSON_TABLE
    commit 2ef6f11b0: Reduce running time of jsonb_sqljson test
    commit 14d3f24fa: Further improve jsonb_sqljson parallel test
    commit a6baa4bad: Documentation for SQL/JSON features
    commit b46bcf7a4: Improve readability of SQL/JSON documentation.
    commit 112fdb352: Fix finalization for json_objectagg and friends
    commit fcdb35c32: Fix transformJsonBehavior
    commit 4cd8717af: Improve a couple of sql/json error messages
    commit f7a605f63: Small cleanups in SQL/JSON code
    commit 9c3d25e17: Fix JSON_OBJECTAGG uniquefying bug
    commit a79153b7a: Claim SQL standard compliance for SQL/JSON features
    commit a1e7616d6: Rework SQL/JSON documentation
    commit 8d9f9634e: Fix errors in copyfuncs/equalfuncs support for JSON node types.
    commit 3c633f32b: Only allow returning string types or bytea from json_serialize
    commit 67b26703b: expression eval: Fix EEOP_JSON_CONSTRUCTOR and EEOP_JSONEXPR size.

The release notes are also adjusted.

Backpatch to release 15.

Discussion: https://postgr.es/m/40d2c882-bcac-19a9-754d-4299e1d87ac7@postgresql.org
---
 src/backend/parser/parse_target.c | 40 ---------------------------------------
 1 file changed, 40 deletions(-)

(limited to 'src/backend/parser/parse_target.c')

diff --git a/src/backend/parser/parse_target.c b/src/backend/parser/parse_target.c
index 16a0fe59e21..4e1593d9008 100644
--- a/src/backend/parser/parse_target.c
+++ b/src/backend/parser/parse_target.c
@@ -1957,46 +1957,6 @@ FigureColnameInternal(Node *node, char **name)
 		case T_XmlSerialize:
 			*name = "xmlserialize";
 			return 2;
-		case T_JsonParseExpr:
-			*name = "json";
-			return 2;
-		case T_JsonScalarExpr:
-			*name = "json_scalar";
-			return 2;
-		case T_JsonSerializeExpr:
-			*name = "json_serialize";
-			return 2;
-		case T_JsonObjectConstructor:
-			*name = "json_object";
-			return 2;
-		case T_JsonArrayConstructor:
-		case T_JsonArrayQueryConstructor:
-			*name = "json_array";
-			return 2;
-		case T_JsonObjectAgg:
-			*name = "json_objectagg";
-			return 2;
-		case T_JsonArrayAgg:
-			*name = "json_arrayagg";
-			return 2;
-		case T_JsonFuncExpr:
-			/* make SQL/JSON functions act like a regular function */
-			switch (((JsonFuncExpr *) node)->op)
-			{
-				case JSON_QUERY_OP:
-					*name = "json_query";
-					return 2;
-				case JSON_VALUE_OP:
-					*name = "json_value";
-					return 2;
-				case JSON_EXISTS_OP:
-					*name = "json_exists";
-					return 2;
-				case JSON_TABLE_OP:
-					*name = "json_table";
-					return 2;
-			}
-			break;
 		default:
 			break;
 	}
-- 
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