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amvalidate.h File Reference
#include "utils/catcache.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.

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

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

207 {
208  bool result = true;
209  HeapTuple tp;
210  Form_pg_operator opform;
211 
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 GETSTRUCT(TUP)
Definition: htup_details.h:655
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1116
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1164
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
FormData_pg_operator * Form_pg_operator
Definition: pg_operator.h:83
#define elog(elevel,...)
Definition: elog.h:214

◆ check_amoptsproc_signature()

bool check_amoptsproc_signature ( Oid  funcid)

Definition at line 192 of file amvalidate.c.

References check_amproc_signature().

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

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

◆ 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.

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

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

154 {
155  bool result = true;
156  HeapTuple tp;
157  Form_pg_proc procform;
158  va_list ap;
159  int i;
160 
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 }
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
unsigned int Oid
Definition: postgres_ext.h:31
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define ERROR
Definition: elog.h:43
bool IsBinaryCoercible(Oid srctype, Oid targettype)
HeapTuple SearchSysCache1(int cacheId, Datum key1)
Definition: syscache.c:1116
void ReleaseSysCache(HeapTuple tuple)
Definition: syscache.c:1164
FormData_pg_proc * Form_pg_proc
Definition: pg_proc.h:133
#define HeapTupleIsValid(tuple)
Definition: htup.h:78
#define elog(elevel,...)
Definition: elog.h:214
int i

◆ identify_opfamily_groups()

List* identify_opfamily_groups ( CatCList oprlist,
CatCList proclist 
)

Definition at line 43 of file amvalidate.c.

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().

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 }
#define NIL
Definition: pg_list.h:65
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
FormData_pg_amproc * Form_pg_amproc
Definition: pg_amproc.h:68
CatCTup * members[FLEXIBLE_ARRAY_MEMBER]
Definition: catcache.h:178
#define ERROR
Definition: elog.h:43
List * lappend(List *list, void *datum)
Definition: list.c:321
bool ordered
Definition: catcache.h:174
void * palloc(Size size)
Definition: mcxt.c:950
FormData_pg_amop * Form_pg_amop
Definition: pg_amop.h:88
#define elog(elevel,...)
Definition: elog.h:214
HeapTupleData tuple
Definition: catcache.h:121
Definition: pg_list.h:50

◆ opclass_for_family_datatype()

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

Definition at line 236 of file amvalidate.c.

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

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

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  */
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 }
int n_members
Definition: catcache.h:176
#define GETSTRUCT(TUP)
Definition: htup_details.h:655
unsigned int Oid
Definition: postgres_ext.h:31
void ReleaseCatCacheList(CatCList *list)
Definition: catcache.c:1782
CatCTup * members[FLEXIBLE_ARRAY_MEMBER]
Definition: catcache.h:178
#define ObjectIdGetDatum(X)
Definition: postgres.h:507
#define SearchSysCacheList1(cacheId, key1)
Definition: syscache.h:210
#define InvalidOid
Definition: postgres_ext.h:36
int i
HeapTupleData tuple
Definition: catcache.h:121
FormData_pg_opclass * Form_pg_opclass
Definition: pg_opclass.h:83

◆ opfamily_can_sort_type()

bool opfamily_can_sort_type ( Oid  opfamilyoid,
Oid  datatypeoid 
)

Definition at line 271 of file amvalidate.c.

References OidIsValid, and opclass_for_family_datatype().

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

272 {
273  return OidIsValid(opclass_for_family_datatype(BTREE_AM_OID,
274  opfamilyoid,
275  datatypeoid));
276 }
#define OidIsValid(objectId)
Definition: c.h:652
Oid opclass_for_family_datatype(Oid amoid, Oid opfamilyoid, Oid datatypeoid)
Definition: amvalidate.c:236