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amvalidate.h File Reference
#include "utils/catcache.h"
Include dependency graph for amvalidate.h:
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Data Structures

struct  OpFamilyOpFuncGroup
 

Typedefs

typedef struct OpFamilyOpFuncGroup OpFamilyOpFuncGroup
 

Functions

Listidentify_opfamily_groups (CatCList *oprlist, CatCList *proclist)
 
bool check_amproc_signature (Oid funcid, Oid restype, bool exact, int minargs, int maxargs,...)
 
bool check_amoptsproc_signature (Oid funcid)
 
bool check_amop_signature (Oid opno, Oid restype, Oid lefttype, Oid righttype)
 
Oid opclass_for_family_datatype (Oid amoid, Oid opfamilyoid, Oid datatypeoid)
 
bool opfamily_can_sort_type (Oid opfamilyoid, Oid datatypeoid)
 

Typedef Documentation

◆ OpFamilyOpFuncGroup

Function Documentation

◆ check_amop_signature()

bool check_amop_signature ( Oid  opno,
Oid  restype,
Oid  lefttype,
Oid  righttype 
)

Definition at line 206 of file amvalidate.c.

207{
208 bool result = true;
209 HeapTuple tp;
210 Form_pg_operator opform;
211
212 tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
213 if (!HeapTupleIsValid(tp)) /* shouldn't happen */
214 elog(ERROR, "cache lookup failed for operator %u", opno);
215 opform = (Form_pg_operator) GETSTRUCT(tp);
216
217 if (opform->oprresult != restype || opform->oprkind != 'b' ||
218 opform->oprleft != lefttype || opform->oprright != righttype)
219 result = false;
220
221 ReleaseSysCache(tp);
222 return result;
223}
#define ERROR
Definition: elog.h:39
#define elog(elevel,...)
Definition: elog.h:225
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define GETSTRUCT(TUP)
Definition: htup_details.h:653
FormData_pg_operator * Form_pg_operator
Definition: pg_operator.h:83
static Datum ObjectIdGetDatum(Oid X)
Definition: postgres.h:257
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:269
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:221

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, ObjectIdGetDatum(), ReleaseSysCache(), and SearchSysCache1().

Referenced by blvalidate(), brinvalidate(), btvalidate(), ginvalidate(), gistvalidate(), hashvalidate(), and spgvalidate().

◆ check_amoptsproc_signature()

bool check_amoptsproc_signature ( Oid  funcid)

Definition at line 192 of file amvalidate.c.

193{
194 return check_amproc_signature(funcid, VOIDOID, true, 1, 1, INTERNALOID);
195}
bool check_amproc_signature(Oid funcid, Oid restype, bool exact, int minargs, int maxargs,...)
Definition: amvalidate.c:152

References check_amproc_signature().

Referenced by blvalidate(), brinvalidate(), btvalidate(), ginvalidate(), gistvalidate(), hashvalidate(), and spgvalidate().

◆ check_amproc_signature()

bool check_amproc_signature ( Oid  funcid,
Oid  restype,
bool  exact,
int  minargs,
int  maxargs,
  ... 
)

Definition at line 152 of file amvalidate.c.

154{
155 bool result = true;
156 HeapTuple tp;
157 Form_pg_proc procform;
158 va_list ap;
159 int i;
160
161 tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
162 if (!HeapTupleIsValid(tp))
163 elog(ERROR, "cache lookup failed for function %u", funcid);
164 procform = (Form_pg_proc) GETSTRUCT(tp);
165
166 if (procform->prorettype != restype || procform->proretset ||
167 procform->pronargs < minargs || procform->pronargs > maxargs)
168 result = false;
169
170 va_start(ap, maxargs);
171 for (i = 0; i < maxargs; i++)
172 {
173 Oid argtype = va_arg(ap, Oid);
174
175 if (i >= procform->pronargs)
176 continue;
177 if (exact ? (argtype != procform->proargtypes.values[i]) :
178 !IsBinaryCoercible(argtype, procform->proargtypes.values[i]))
179 result = false;
180 }
181 va_end(ap);
182
183 ReleaseSysCache(tp);
184 return result;
185}
int i
Definition: isn.c:72
va_end(args)
va_start(args, fmt)
bool IsBinaryCoercible(Oid srctype, Oid targettype)
FormData_pg_proc * Form_pg_proc
Definition: pg_proc.h:136
unsigned int Oid
Definition: postgres_ext.h:32

References elog, ERROR, GETSTRUCT, HeapTupleIsValid, i, IsBinaryCoercible(), ObjectIdGetDatum(), ReleaseSysCache(), SearchSysCache1(), va_end(), and va_start().

Referenced by blvalidate(), brinvalidate(), btvalidate(), check_amoptsproc_signature(), ginvalidate(), gistvalidate(), hashvalidate(), and spgvalidate().

◆ identify_opfamily_groups()

List * identify_opfamily_groups ( CatCList oprlist,
CatCList proclist 
)

Definition at line 43 of file amvalidate.c.

44{
45 List *result = NIL;
46 OpFamilyOpFuncGroup *thisgroup;
47 Form_pg_amop oprform;
48 Form_pg_amproc procform;
49 int io,
50 ip;
51
52 /* We need the lists to be ordered; should be true in normal operation */
53 if (!oprlist->ordered || !proclist->ordered)
54 elog(ERROR, "cannot validate operator family without ordered data");
55
56 /*
57 * Advance through the lists concurrently. Thanks to the ordering, we
58 * should see all operators and functions of a given datatype pair
59 * consecutively.
60 */
61 thisgroup = NULL;
62 io = ip = 0;
63 if (io < oprlist->n_members)
64 {
65 oprform = (Form_pg_amop) GETSTRUCT(&oprlist->members[io]->tuple);
66 io++;
67 }
68 else
69 oprform = NULL;
70 if (ip < proclist->n_members)
71 {
72 procform = (Form_pg_amproc) GETSTRUCT(&proclist->members[ip]->tuple);
73 ip++;
74 }
75 else
76 procform = NULL;
77
78 while (oprform || procform)
79 {
80 if (oprform && thisgroup &&
81 oprform->amoplefttype == thisgroup->lefttype &&
82 oprform->amoprighttype == thisgroup->righttype)
83 {
84 /* Operator belongs to current group; include it and advance */
85
86 /* Ignore strategy numbers outside supported range */
87 if (oprform->amopstrategy > 0 && oprform->amopstrategy < 64)
88 thisgroup->operatorset |= ((uint64) 1) << oprform->amopstrategy;
89
90 if (io < oprlist->n_members)
91 {
92 oprform = (Form_pg_amop) GETSTRUCT(&oprlist->members[io]->tuple);
93 io++;
94 }
95 else
96 oprform = NULL;
97 continue;
98 }
99
100 if (procform && thisgroup &&
101 procform->amproclefttype == thisgroup->lefttype &&
102 procform->amprocrighttype == thisgroup->righttype)
103 {
104 /* Procedure belongs to current group; include it and advance */
105
106 /* Ignore function numbers outside supported range */
107 if (procform->amprocnum > 0 && procform->amprocnum < 64)
108 thisgroup->functionset |= ((uint64) 1) << procform->amprocnum;
109
110 if (ip < proclist->n_members)
111 {
112 procform = (Form_pg_amproc) GETSTRUCT(&proclist->members[ip]->tuple);
113 ip++;
114 }
115 else
116 procform = NULL;
117 continue;
118 }
119
120 /* Time for a new group */
121 thisgroup = (OpFamilyOpFuncGroup *) palloc(sizeof(OpFamilyOpFuncGroup));
122 if (oprform &&
123 (!procform ||
124 (oprform->amoplefttype < procform->amproclefttype ||
125 (oprform->amoplefttype == procform->amproclefttype &&
126 oprform->amoprighttype < procform->amprocrighttype))))
127 {
128 thisgroup->lefttype = oprform->amoplefttype;
129 thisgroup->righttype = oprform->amoprighttype;
130 }
131 else
132 {
133 thisgroup->lefttype = procform->amproclefttype;
134 thisgroup->righttype = procform->amprocrighttype;
135 }
136 thisgroup->operatorset = thisgroup->functionset = 0;
137 result = lappend(result, thisgroup);
138 }
139
140 return result;
141}
uint64_t uint64
Definition: c.h:489
List * lappend(List *list, void *datum)
Definition: list.c:339
void * palloc(Size size)
Definition: mcxt.c:1317
FormData_pg_amop * Form_pg_amop
Definition: pg_amop.h:88
FormData_pg_amproc * Form_pg_amproc
Definition: pg_amproc.h:68
#define NIL
Definition: pg_list.h:68
Definition: pg_list.h:54
bool ordered
Definition: catcache.h:176
CatCTup * members[FLEXIBLE_ARRAY_MEMBER]
Definition: catcache.h:180
HeapTupleData tuple
Definition: catcache.h:123

References elog, ERROR, OpFamilyOpFuncGroup::functionset, GETSTRUCT, lappend(), OpFamilyOpFuncGroup::lefttype, catclist::members, NIL, OpFamilyOpFuncGroup::operatorset, catclist::ordered, palloc(), OpFamilyOpFuncGroup::righttype, and catctup::tuple.

Referenced by blvalidate(), brinvalidate(), btvalidate(), ginvalidate(), gistvalidate(), hashvalidate(), and spgvalidate().

◆ opclass_for_family_datatype()

Oid opclass_for_family_datatype ( Oid  amoid,
Oid  opfamilyoid,
Oid  datatypeoid 
)

Definition at line 236 of file amvalidate.c.

237{
238 Oid result = InvalidOid;
239 CatCList *opclist;
240 int i;
241
242 /*
243 * We search through all the AM's opclasses to see if one matches. This
244 * is a bit inefficient but there is no better index available. It also
245 * saves making an explicit check that the opfamily belongs to the AM.
246 */
247 opclist = SearchSysCacheList1(CLAAMNAMENSP, ObjectIdGetDatum(amoid));
248
249 for (i = 0; i < opclist->n_members; i++)
250 {
251 HeapTuple classtup = &opclist->members[i]->tuple;
252 Form_pg_opclass classform = (Form_pg_opclass) GETSTRUCT(classtup);
253
254 if (classform->opcfamily == opfamilyoid &&
255 classform->opcintype == datatypeoid)
256 {
257 result = classform->oid;
258 break;
259 }
260 }
261
262 ReleaseCatCacheList(opclist);
263
264 return result;
265}
void ReleaseCatCacheList(CatCList *list)
Definition: catcache.c:2071
FormData_pg_opclass * Form_pg_opclass
Definition: pg_opclass.h:83
#define InvalidOid
Definition: postgres_ext.h:37
int n_members
Definition: catcache.h:178
#define SearchSysCacheList1(cacheId, key1)
Definition: syscache.h:127

References GETSTRUCT, i, InvalidOid, catclist::members, catclist::n_members, ObjectIdGetDatum(), ReleaseCatCacheList(), SearchSysCacheList1, and catctup::tuple.

Referenced by btadjustmembers(), hashadjustmembers(), and opfamily_can_sort_type().

◆ opfamily_can_sort_type()

bool opfamily_can_sort_type ( Oid  opfamilyoid,
Oid  datatypeoid 
)

Definition at line 271 of file amvalidate.c.

272{
273 return OidIsValid(opclass_for_family_datatype(BTREE_AM_OID,
274 opfamilyoid,
275 datatypeoid));
276}
Oid opclass_for_family_datatype(Oid amoid, Oid opfamilyoid, Oid datatypeoid)
Definition: amvalidate.c:236
#define OidIsValid(objectId)
Definition: c.h:732

References OidIsValid, and opclass_for_family_datatype().

Referenced by gistvalidate(), spgproperty(), and spgvalidate().