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Remove redundant pg_set_*_stats() variants.

Browse Source 
After commit f3dae2ae58, the primary purpose of separating the
pg_set_*_stats() from the pg_restore_*_stats() variants was
eliminated.

Leave pg_restore_relation_stats() and pg_restore_attribute_stats(),
which satisfy both purposes, and remove pg_set_relation_stats() and
pg_set_attribute_stats().

Reviewed-by: Corey Huinker <corey.huinker@gmail.com>
Discussion: https://postgr.es/m/1457469.1740419458@sss.pgh.pa.us
This commit is contained in:
Jeff Davis
2025-02-25 16:15:47 -08:00
parent ecbff4378b
commit a5cbdeb98a
10 changed files with 823 additions and 1973 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
src/backend/catalog/system_functions.sql
View File

@ -636,38 +636,6 @@ LANGUAGE INTERNAL
CALLED ON NULL INPUT VOLATILE PARALLEL SAFE
AS 'pg_stat_reset_slru';
CREATE OR REPLACE FUNCTION
pg_set_relation_stats(relation regclass,
relpages integer DEFAULT NULL,
reltuples real DEFAULT NULL,
relallvisible integer DEFAULT NULL)
RETURNS void
LANGUAGE INTERNAL
CALLED ON NULL INPUT VOLATILE
AS 'pg_set_relation_stats';
CREATE OR REPLACE FUNCTION
pg_set_attribute_stats(relation regclass,
attname name,
inherited bool,
null_frac real DEFAULT NULL,
avg_width integer DEFAULT NULL,
n_distinct real DEFAULT NULL,
most_common_vals text DEFAULT NULL,
most_common_freqs real[] DEFAULT NULL,
histogram_bounds text DEFAULT NULL,
correlation real DEFAULT NULL,
most_common_elems text DEFAULT NULL,
most_common_elem_freqs real[] DEFAULT NULL,
elem_count_histogram real[] DEFAULT NULL,
range_length_histogram text DEFAULT NULL,
range_empty_frac real DEFAULT NULL,
range_bounds_histogram text DEFAULT NULL)
RETURNS void
LANGUAGE INTERNAL
CALLED ON NULL INPUT VOLATILE
AS 'pg_set_attribute_stats';
--
-- The default permissions for functions mean that anyone can execute them.
-- A number of functions shouldn't be executable by just anyone, but rather

98
src/backend/statistics/attribute_stats.c
View File

@ -76,16 +76,16 @@ static struct StatsArgInfo attarginfo[] =
[NUM_ATTRIBUTE_STATS_ARGS] = {0}
};
static bool attribute_statistics_update(FunctionCallInfo fcinfo, int elevel);
static bool attribute_statistics_update(FunctionCallInfo fcinfo);
static Node *get_attr_expr(Relation rel, int attnum);
static void get_attr_stat_type(Oid reloid, AttrNumber attnum, int elevel,
static void get_attr_stat_type(Oid reloid, AttrNumber attnum,
Oid *atttypid, int32 *atttypmod,
char *atttyptype, Oid *atttypcoll,
Oid *eq_opr, Oid *lt_opr);
static bool get_elem_stat_type(Oid atttypid, char atttyptype, int elevel,
static bool get_elem_stat_type(Oid atttypid, char atttyptype,
Oid *elemtypid, Oid *elem_eq_opr);
static Datum text_to_stavalues(const char *staname, FmgrInfo *array_in, Datum d,
Oid typid, int32 typmod, int elevel, bool *ok);
Oid typid, int32 typmod, bool *ok);
static void set_stats_slot(Datum *values, bool *nulls, bool *replaces,
int16 stakind, Oid staop, Oid stacoll,
Datum stanumbers, bool stanumbers_isnull,
@ -109,11 +109,11 @@ static void init_empty_stats_tuple(Oid reloid, int16 attnum, bool inherited,
*
* Major errors, such as the table not existing, the attribute not existing,
* or a permissions failure are always reported at ERROR. Other errors, such
* as a conversion failure on one statistic kind, are reported at 'elevel',
* as a conversion failure on one statistic kind, are reported as a WARNING
* and other statistic kinds may still be updated.
*/
static bool
attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
attribute_statistics_update(FunctionCallInfo fcinfo)
{
Oid reloid;
Name attname;
@ -184,33 +184,29 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
inherited = PG_GETARG_BOOL(INHERITED_ARG);
/*
* Check argument sanity. If some arguments are unusable, emit at elevel
* Check argument sanity. If some arguments are unusable, emit a WARNING
* and set the corresponding argument to NULL in fcinfo.
*/
if (!stats_check_arg_array(fcinfo, attarginfo, MOST_COMMON_FREQS_ARG,
elevel))
if (!stats_check_arg_array(fcinfo, attarginfo, MOST_COMMON_FREQS_ARG))
{
do_mcv = false;
result = false;
}
if (!stats_check_arg_array(fcinfo, attarginfo, MOST_COMMON_ELEM_FREQS_ARG,
elevel))
if (!stats_check_arg_array(fcinfo, attarginfo, MOST_COMMON_ELEM_FREQS_ARG))
{
do_mcelem = false;
result = false;
}
if (!stats_check_arg_array(fcinfo, attarginfo, ELEM_COUNT_HISTOGRAM_ARG,
elevel))
if (!stats_check_arg_array(fcinfo, attarginfo, ELEM_COUNT_HISTOGRAM_ARG))
{
do_dechist = false;
result = false;
}
if (!stats_check_arg_pair(fcinfo, attarginfo,
MOST_COMMON_VALS_ARG, MOST_COMMON_FREQS_ARG,
elevel))
MOST_COMMON_VALS_ARG, MOST_COMMON_FREQS_ARG))
{
do_mcv = false;
result = false;
@ -218,7 +214,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
if (!stats_check_arg_pair(fcinfo, attarginfo,
MOST_COMMON_ELEMS_ARG,
MOST_COMMON_ELEM_FREQS_ARG, elevel))
MOST_COMMON_ELEM_FREQS_ARG))
{
do_mcelem = false;
result = false;
@ -226,14 +222,14 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
if (!stats_check_arg_pair(fcinfo, attarginfo,
RANGE_LENGTH_HISTOGRAM_ARG,
RANGE_EMPTY_FRAC_ARG, elevel))
RANGE_EMPTY_FRAC_ARG))
{
do_range_length_histogram = false;
result = false;
}
/* derive information from attribute */
get_attr_stat_type(reloid, attnum, elevel,
get_attr_stat_type(reloid, attnum,
&atttypid, &atttypmod,
&atttyptype, &atttypcoll,
&eq_opr, &lt_opr);
@ -241,10 +237,10 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
/* if needed, derive element type */
if (do_mcelem || do_dechist)
{
if (!get_elem_stat_type(atttypid, atttyptype, elevel,
if (!get_elem_stat_type(atttypid, atttyptype,
&elemtypid, &elem_eq_opr))
{
ereport(elevel,
ereport(WARNING,
(errmsg("unable to determine element type of attribute \"%s\"", NameStr(*attname)),
errdetail("Cannot set STATISTIC_KIND_MCELEM or STATISTIC_KIND_DECHIST.")));
elemtypid = InvalidOid;
@ -259,7 +255,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
/* histogram and correlation require less-than operator */
if ((do_histogram || do_correlation) && !OidIsValid(lt_opr))
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("could not determine less-than operator for attribute \"%s\"", NameStr(*attname)),
errdetail("Cannot set STATISTIC_KIND_HISTOGRAM or STATISTIC_KIND_CORRELATION.")));
@ -273,7 +269,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
if ((do_range_length_histogram || do_bounds_histogram) &&
!(atttyptype == TYPTYPE_RANGE || atttyptype == TYPTYPE_MULTIRANGE))
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("attribute \"%s\" is not a range type", NameStr(*attname)),
errdetail("Cannot set STATISTIC_KIND_RANGE_LENGTH_HISTOGRAM or STATISTIC_KIND_BOUNDS_HISTOGRAM.")));
@ -322,7 +318,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
&array_in_fn,
PG_GETARG_DATUM(MOST_COMMON_VALS_ARG),
atttypid, atttypmod,
elevel, &converted);
&converted);
if (converted)
{
@ -344,7 +340,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
stavalues = text_to_stavalues("histogram_bounds",
&array_in_fn,
PG_GETARG_DATUM(HISTOGRAM_BOUNDS_ARG),
atttypid, atttypmod, elevel,
atttypid, atttypmod,
&converted);
if (converted)
@ -382,7 +378,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
&array_in_fn,
PG_GETARG_DATUM(MOST_COMMON_ELEMS_ARG),
elemtypid, atttypmod,
elevel, &converted);
&converted);
if (converted)
{
@ -422,7 +418,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
&array_in_fn,
PG_GETARG_DATUM(RANGE_BOUNDS_HISTOGRAM_ARG),
atttypid, atttypmod,
elevel, &converted);
&converted);
if (converted)
{
@ -449,7 +445,7 @@ attribute_statistics_update(FunctionCallInfo fcinfo, int elevel)
stavalues = text_to_stavalues("range_length_histogram",
&array_in_fn,
PG_GETARG_DATUM(RANGE_LENGTH_HISTOGRAM_ARG),
FLOAT8OID, 0, elevel, &converted);
FLOAT8OID, 0, &converted);
if (converted)
{
@ -517,7 +513,7 @@ get_attr_expr(Relation rel, int attnum)
* Derive type information from the attribute.
*/
static void
get_attr_stat_type(Oid reloid, AttrNumber attnum, int elevel,
get_attr_stat_type(Oid reloid, AttrNumber attnum,
Oid *atttypid, int32 *atttypmod,
char *atttyptype, Oid *atttypcoll,
Oid *eq_opr, Oid *lt_opr)
@ -599,7 +595,7 @@ get_attr_stat_type(Oid reloid, AttrNumber attnum, int elevel,
* Derive element type information from the attribute type.
*/
static bool
get_elem_stat_type(Oid atttypid, char atttyptype, int elevel,
get_elem_stat_type(Oid atttypid, char atttyptype,
Oid *elemtypid, Oid *elem_eq_opr)
{
TypeCacheEntry *elemtypcache;
@ -634,13 +630,13 @@ get_elem_stat_type(Oid atttypid, char atttyptype, int elevel,
/*
* Cast a text datum into an array with element type elemtypid.
*
* If an error is encountered, capture it and re-throw at elevel, and set ok
* to false. If the resulting array contains NULLs, raise an error at elevel
* and set ok to false. Otherwise, set ok to true.
* If an error is encountered, capture it and re-throw a WARNING, and set ok
* to false. If the resulting array contains NULLs, raise a WARNING and set ok
* to false. Otherwise, set ok to true.
*/
static Datum
text_to_stavalues(const char *staname, FmgrInfo *array_in, Datum d, Oid typid,
int32 typmod, int elevel, bool *ok)
int32 typmod, bool *ok)
{
LOCAL_FCINFO(fcinfo, 8);
char *s;
@ -667,8 +663,7 @@ text_to_stavalues(const char *staname, FmgrInfo *array_in, Datum d, Oid typid,
if (escontext.error_occurred)
{
if (elevel != ERROR)
escontext.error_data->elevel = elevel;
escontext.error_data->elevel = WARNING;
ThrowErrorData(escontext.error_data);
*ok = false;
return (Datum) 0;
@ -676,7 +671,7 @@ text_to_stavalues(const char *staname, FmgrInfo *array_in, Datum d, Oid typid,
if (array_contains_nulls(DatumGetArrayTypeP(result)))
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("\"%s\" array cannot contain NULL values", staname)));
*ok = false;
@ -851,33 +846,6 @@ init_empty_stats_tuple(Oid reloid, int16 attnum, bool inherited,
}
}
/*
* Import statistics for a given relation attribute.
*
* Inserts or replaces a row in pg_statistic for the given relation and
* attribute name. It takes input parameters that correspond to columns in the
* view pg_stats.
*
* Parameters null_frac, avg_width, and n_distinct all correspond to NOT NULL
* columns in pg_statistic. The remaining parameters all belong to a specific
* stakind. Some stakinds require multiple parameters, which must be specified
* together (or neither specified).
*
* Parameters are only superficially validated. Omitting a parameter or
* passing NULL leaves the statistic unchanged.
*
* Parameters corresponding to ANYARRAY columns are instead passed in as text
* values, which is a valid input string for an array of the type or element
* type of the attribute. Any error generated by the array_in() function will
* in turn fail the function.
*/
Datum
pg_set_attribute_stats(PG_FUNCTION_ARGS)
{
attribute_statistics_update(fcinfo, ERROR);
PG_RETURN_VOID();
}
/*
* Delete statistics for the given attribute.
*/
@ -933,10 +901,10 @@ pg_restore_attribute_stats(PG_FUNCTION_ARGS)
InvalidOid, NULL, NULL);
if (!stats_fill_fcinfo_from_arg_pairs(fcinfo, positional_fcinfo,
attarginfo, WARNING))
attarginfo))
result = false;
if (!attribute_statistics_update(positional_fcinfo, WARNING))
if (!attribute_statistics_update(positional_fcinfo))
result = false;
PG_RETURN_BOOL(result);

24
src/backend/statistics/relation_stats.c
View File

@ -48,13 +48,13 @@ static struct StatsArgInfo relarginfo[] =
[NUM_RELATION_STATS_ARGS] = {0}
};
static bool relation_statistics_update(FunctionCallInfo fcinfo, int elevel);
static bool relation_statistics_update(FunctionCallInfo fcinfo);
/*
* Internal function for modifying statistics for a relation.
*/
static bool
relation_statistics_update(FunctionCallInfo fcinfo, int elevel)
relation_statistics_update(FunctionCallInfo fcinfo)
{
bool result = true;
Oid reloid;
@ -83,7 +83,7 @@ relation_statistics_update(FunctionCallInfo fcinfo, int elevel)
reltuples = PG_GETARG_FLOAT4(RELTUPLES_ARG);
if (reltuples < -1.0)
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("reltuples cannot be < -1.0")));
result = false;
@ -118,7 +118,7 @@ relation_statistics_update(FunctionCallInfo fcinfo, int elevel)
ctup = SearchSysCache1(RELOID, ObjectIdGetDatum(reloid));
if (!HeapTupleIsValid(ctup))
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_OBJECT_IN_USE),
errmsg("pg_class entry for relid %u not found", reloid)));
table_close(crel, RowExclusiveLock);
@ -169,16 +169,6 @@ relation_statistics_update(FunctionCallInfo fcinfo, int elevel)
return result;
}
/*
* Set statistics for a given pg_class entry.
*/
Datum
pg_set_relation_stats(PG_FUNCTION_ARGS)
{
relation_statistics_update(fcinfo, ERROR);
PG_RETURN_VOID();
}
/*
* Clear statistics for a given pg_class entry; that is, set back to initial
* stats for a newly-created table.
@ -199,7 +189,7 @@ pg_clear_relation_stats(PG_FUNCTION_ARGS)
newfcinfo->args[3].value = UInt32GetDatum(0);
newfcinfo->args[3].isnull = false;
relation_statistics_update(newfcinfo, ERROR);
relation_statistics_update(newfcinfo);
PG_RETURN_VOID();
}
@ -214,10 +204,10 @@ pg_restore_relation_stats(PG_FUNCTION_ARGS)
InvalidOid, NULL, NULL);
if (!stats_fill_fcinfo_from_arg_pairs(fcinfo, positional_fcinfo,
relarginfo, WARNING))
relarginfo))
result = false;
if (!relation_statistics_update(positional_fcinfo, WARNING))
if (!relation_statistics_update(positional_fcinfo))
result = false;
PG_RETURN_BOOL(result);

30
src/backend/statistics/stat_utils.c
View File

@ -48,13 +48,13 @@ stats_check_required_arg(FunctionCallInfo fcinfo,
* Check that argument is either NULL or a one dimensional array with no
* NULLs.
*
* If a problem is found, emit at elevel, and return false. Otherwise return
* If a problem is found, emit a WARNING, and return false. Otherwise return
* true.
*/
bool
stats_check_arg_array(FunctionCallInfo fcinfo,
struct StatsArgInfo *arginfo,
int argnum, int elevel)
int argnum)
{
ArrayType *arr;
@ -65,7 +65,7 @@ stats_check_arg_array(FunctionCallInfo fcinfo,
if (ARR_NDIM(arr) != 1)
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("\"%s\" cannot be a multidimensional array",
arginfo[argnum].argname)));
@ -74,7 +74,7 @@ stats_check_arg_array(FunctionCallInfo fcinfo,
if (array_contains_nulls(arr))
{
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("\"%s\" array cannot contain NULL values",
arginfo[argnum].argname)));
@ -89,13 +89,13 @@ stats_check_arg_array(FunctionCallInfo fcinfo,
* a particular stakind, such as most_common_vals and most_common_freqs for
* STATISTIC_KIND_MCV.
*
* If a problem is found, emit at elevel, and return false. Otherwise return
* If a problem is found, emit a WARNING, and return false. Otherwise return
* true.
*/
bool
stats_check_arg_pair(FunctionCallInfo fcinfo,
struct StatsArgInfo *arginfo,
int argnum1, int argnum2, int elevel)
int argnum1, int argnum2)
{
if (PG_ARGISNULL(argnum1) && PG_ARGISNULL(argnum2))
return true;
@ -105,7 +105,7 @@ stats_check_arg_pair(FunctionCallInfo fcinfo,
int nullarg = PG_ARGISNULL(argnum1) ? argnum1 : argnum2;
int otherarg = PG_ARGISNULL(argnum1) ? argnum2 : argnum1;
ereport(elevel,
ereport(WARNING,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("\"%s\" must be specified when \"%s\" is specified",
arginfo[nullarg].argname,
@ -216,7 +216,7 @@ stats_lock_check_privileges(Oid reloid)
* found.
*/
static int
get_arg_by_name(const char *argname, struct StatsArgInfo *arginfo, int elevel)
get_arg_by_name(const char *argname, struct StatsArgInfo *arginfo)
{
int argnum;
@ -224,7 +224,7 @@ get_arg_by_name(const char *argname, struct StatsArgInfo *arginfo, int elevel)
if (pg_strcasecmp(argname, arginfo[argnum].argname) == 0)
return argnum;
ereport(elevel,
ereport(WARNING,
(errmsg("unrecognized argument name: \"%s\"", argname)));
return -1;
@ -234,11 +234,11 @@ get_arg_by_name(const char *argname, struct StatsArgInfo *arginfo, int elevel)
* Ensure that a given argument matched the expected type.
*/
static bool
stats_check_arg_type(const char *argname, Oid argtype, Oid expectedtype, int elevel)
stats_check_arg_type(const char *argname, Oid argtype, Oid expectedtype)
{
if (argtype != expectedtype)
{
ereport(elevel,
ereport(WARNING,
(errmsg("argument \"%s\" has type \"%s\", expected type \"%s\"",
argname, format_type_be(argtype),
format_type_be(expectedtype))));
@ -260,8 +260,7 @@ stats_check_arg_type(const char *argname, Oid argtype, Oid expectedtype, int ele
bool
stats_fill_fcinfo_from_arg_pairs(FunctionCallInfo pairs_fcinfo,
FunctionCallInfo positional_fcinfo,
struct StatsArgInfo *arginfo,
int elevel)
struct StatsArgInfo *arginfo)
{
Datum *args;
bool *argnulls;
@ -319,11 +318,10 @@ stats_fill_fcinfo_from_arg_pairs(FunctionCallInfo pairs_fcinfo,
if (pg_strcasecmp(argname, "version") == 0)
continue;
argnum = get_arg_by_name(argname, arginfo, elevel);
argnum = get_arg_by_name(argname, arginfo);
if (argnum < 0 || !stats_check_arg_type(argname, types[i + 1],
arginfo[argnum].argtype,
elevel))
arginfo[argnum].argtype))
{
result = false;
continue;

2
src/include/catalog/catversion.h
View File

@ -57,6 +57,6 @@
*/
/* yyyymmddN */
#define CATALOG_VERSION_NO 202502241
#define CATALOG_VERSION_NO 202502242
#endif

32
src/include/catalog/pg_proc.dat
View File

@ -1,4 +1,4 @@
#----------------------------------------------------------------------
\#----------------------------------------------------------------------
#
# pg_proc.dat
# Initial contents of the pg_proc system catalog.
@ -12420,7 +12420,14 @@
proargnames => '{kwargs}',
proargmodes => '{v}',
prosrc => 'pg_restore_relation_stats' },
{ oid => '8460',
{ oid => '9160',
descr => 'clear statistics on relation',
proname => 'pg_clear_relation_stats', provolatile => 'v', proisstrict => 'f',
proparallel => 'u', prorettype => 'void',
proargtypes => 'regclass',
proargnames => '{relation}',
prosrc => 'pg_clear_relation_stats' },
{ oid => '8461',
descr => 'restore statistics on attribute',
proname => 'pg_restore_attribute_stats', provolatile => 'v', proisstrict => 'f',
provariadic => 'any',
@ -12430,33 +12437,12 @@
proargmodes => '{v}',
prosrc => 'pg_restore_attribute_stats' },
{ oid => '9162',
descr => 'set statistics on attribute',
proname => 'pg_set_attribute_stats', provolatile => 'v', proisstrict => 'f',
proparallel => 'u', prorettype => 'void',
proargtypes => 'regclass name bool float4 int4 float4 text _float4 text float4 text _float4 _float4 text float4 text',
proargnames => '{relation,attname,inherited,null_frac,avg_width,n_distinct,most_common_vals,most_common_freqs,histogram_bounds,correlation,most_common_elems,most_common_elem_freqs,elem_count_histogram,range_length_histogram,range_empty_frac,range_bounds_histogram}',
prosrc => 'pg_set_attribute_stats' },
{ oid => '9163',
descr => 'clear statistics on attribute',
proname => 'pg_clear_attribute_stats', provolatile => 'v', proisstrict => 'f',
proparallel => 'u', prorettype => 'void',
proargtypes => 'regclass name bool',
proargnames => '{relation,attname,inherited}',
prosrc => 'pg_clear_attribute_stats' },
{ oid => '9944',
descr => 'set statistics on relation',
proname => 'pg_set_relation_stats', provolatile => 'v', proisstrict => 'f',
proparallel => 'u', prorettype => 'void',
proargtypes => 'regclass int4 float4 int4',
proargnames => '{relation,relpages,reltuples,relallvisible}',
prosrc => 'pg_set_relation_stats' },
{ oid => '9945',
descr => 'clear statistics on relation',
proname => 'pg_clear_relation_stats', provolatile => 'v', proisstrict => 'f',
proparallel => 'u', prorettype => 'void',
proargtypes => 'regclass',
proargnames => '{relation}',
prosrc => 'pg_clear_relation_stats' },
# GiST stratnum implementations
{ oid => '8047', descr => 'GiST support',

8
src/include/statistics/stat_utils.h
View File

@ -25,17 +25,15 @@ extern void stats_check_required_arg(FunctionCallInfo fcinfo,
struct StatsArgInfo *arginfo,
int argnum);
extern bool stats_check_arg_array(FunctionCallInfo fcinfo,
struct StatsArgInfo *arginfo, int argnum,
int elevel);
struct StatsArgInfo *arginfo, int argnum);
extern bool stats_check_arg_pair(FunctionCallInfo fcinfo,
struct StatsArgInfo *arginfo,
int argnum1, int argnum2, int elevel);
int argnum1, int argnum2);
extern void stats_lock_check_privileges(Oid reloid);
extern bool stats_fill_fcinfo_from_arg_pairs(FunctionCallInfo pairs_fcinfo,
FunctionCallInfo positional_fcinfo,
struct StatsArgInfo *arginfo,
int elevel);
struct StatsArgInfo *arginfo);
#endif /* STATS_UTILS_H */

1285
src/test/regress/expected/stats_import.out
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1025
src/test/regress/sql/stats_import.sql
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