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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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28
src/interfaces/ecpg/preproc/ecpg.trailer
View File

@@ -657,34 +657,6 @@ var_type: simple_type
$$.type_index = mm_strdup("-1");
$$.type_sizeof = NULL;
}
| STRING
{
if (INFORMIX_MODE)
{
/* In Informix mode, "string" is automatically a typedef */
$$.type_enum = ECPGt_string;
$$.type_str = mm_strdup("char");
$$.type_dimension = mm_strdup("-1");
$$.type_index = mm_strdup("-1");
$$.type_sizeof = NULL;
}
else
{
/* Otherwise, legal only if user typedef'ed it */
struct typedefs *this = get_typedef("string", false);
$$.type_str = (this->type->type_enum == ECPGt_varchar || this->type->type_enum == ECPGt_bytea) ? EMPTY : mm_strdup(this->name);
$$.type_enum = this->type->type_enum;
$$.type_dimension = this->type->type_dimension;
$$.type_index = this->type->type_index;
if (this->type->type_sizeof && strlen(this->type->type_sizeof) != 0)
$$.type_sizeof = this->type->type_sizeof;
else
$$.type_sizeof = cat_str(3, mm_strdup("sizeof("), mm_strdup(this->name), mm_strdup(")"));
struct_member_list[struct_level] = ECPGstruct_member_dup(this->struct_member_list);
}
}
| IDENT ecpg_interval
{
/*

2
src/interfaces/ecpg/preproc/parse.pl
View File

@@ -58,8 +58,6 @@ my %replace_string = (
'NOT_LA' => 'not',
'NULLS_LA' => 'nulls',
'WITH_LA' => 'with',
'WITH_LA_UNIQUE' => 'with',
'WITHOUT_LA' => 'without',
'TYPECAST' => '::',
'DOT_DOT' => '..',
'COLON_EQUALS' => ':=',

14
src/interfaces/ecpg/preproc/parser.c
View File

@@ -83,7 +83,6 @@ filtered_base_yylex(void)
case WITH:
case UIDENT:
case USCONST:
case WITHOUT:
break;
default:
return cur_token;
@@ -144,19 +143,6 @@ filtered_base_yylex(void)
case ORDINALITY:
cur_token = WITH_LA;
break;
case UNIQUE:
cur_token = WITH_LA_UNIQUE;
break;
}
break;
case WITHOUT:
/* Replace WITHOUT by WITHOUT_LA if it's followed by TIME */
switch (next_token)
{
case TIME:
cur_token = WITHOUT_LA;
break;
}
break;
case UIDENT: