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Revert SQL/JSON features

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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
This commit is contained in:
Andrew Dunstan
2022-09-01 17:07:14 -04:00
parent 90247e742f
commit 2f2b18bd3f
60 changed files with 348 additions and 14893 deletions
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7
src/backend/parser/parse_relation.c
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@@ -2017,7 +2017,7 @@ addRangeTableEntryForTableFunc(ParseState *pstate,
bool inFromCl)
{
RangeTblEntry *rte = makeNode(RangeTblEntry);
char *refname;
char *refname = alias ? alias->aliasname : pstrdup("xmltable");
Alias *eref;
int numaliases;
@@ -2035,8 +2035,7 @@ addRangeTableEntryForTableFunc(ParseState *pstate,
Assert(list_length(tf->coltypmods) == list_length(tf->colnames));
Assert(list_length(tf->colcollations) == list_length(tf->colnames));
refname = alias ? alias->aliasname :
pstrdup(tf->functype == TFT_XMLTABLE ? "xmltable" : "json_table");
refname = alias ? alias->aliasname : pstrdup("xmltable");
rte->rtekind = RTE_TABLEFUNC;
rte->relid = InvalidOid;
@@ -2059,7 +2058,7 @@ addRangeTableEntryForTableFunc(ParseState *pstate,
ereport(ERROR,
(errcode(ERRCODE_INVALID_COLUMN_REFERENCE),
errmsg("%s function has %d columns available but %d columns specified",
tf->functype == TFT_XMLTABLE ? "XMLTABLE" : "JSON_TABLE",
"XMLTABLE",
list_length(tf->colnames), numaliases)));
rte->eref = eref;