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Macros | Typedefs | Functions
_ltree_op.c File Reference
#include "postgres.h"
#include <ctype.h>
#include "ltree.h"
#include "utils/array.h"
Include dependency graph for _ltree_op.c:

Go to the source code of this file.

Macros

#define  NEXTVAL(x)   ( (ltree*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) )
 

Typedefs

typedef Datum(*  PGCALL2) (PG_FUNCTION_ARGS)
 

Functions

  PG_FUNCTION_INFO_V1 (_ltree_isparent)
 
  PG_FUNCTION_INFO_V1 (_ltree_r_isparent)
 
  PG_FUNCTION_INFO_V1 (_ltree_risparent)
 
  PG_FUNCTION_INFO_V1 (_ltree_r_risparent)
 
  PG_FUNCTION_INFO_V1 (_ltq_regex)
 
  PG_FUNCTION_INFO_V1 (_ltq_rregex)
 
  PG_FUNCTION_INFO_V1 (_lt_q_regex)
 
  PG_FUNCTION_INFO_V1 (_lt_q_rregex)
 
  PG_FUNCTION_INFO_V1 (_ltxtq_exec)
 
  PG_FUNCTION_INFO_V1 (_ltxtq_rexec)
 
  PG_FUNCTION_INFO_V1 (_ltree_extract_isparent)
 
  PG_FUNCTION_INFO_V1 (_ltree_extract_risparent)
 
  PG_FUNCTION_INFO_V1 (_ltq_extract_regex)
 
  PG_FUNCTION_INFO_V1 (_ltxtq_extract_exec)
 
  PG_FUNCTION_INFO_V1 (_lca)
 
static bool  array_iterator (ArrayType *la, PGCALL2 callback, void *param, ltree **found)
 
Datum  _ltree_isparent (PG_FUNCTION_ARGS)
 
Datum  _ltree_r_isparent (PG_FUNCTION_ARGS)
 
Datum  _ltree_risparent (PG_FUNCTION_ARGS)
 
Datum  _ltree_r_risparent (PG_FUNCTION_ARGS)
 
Datum  _ltq_regex (PG_FUNCTION_ARGS)
 
Datum  _ltq_rregex (PG_FUNCTION_ARGS)
 
Datum  _lt_q_regex (PG_FUNCTION_ARGS)
 
Datum  _lt_q_rregex (PG_FUNCTION_ARGS)
 
Datum  _ltxtq_exec (PG_FUNCTION_ARGS)
 
Datum  _ltxtq_rexec (PG_FUNCTION_ARGS)
 
Datum  _ltree_extract_isparent (PG_FUNCTION_ARGS)
 
Datum  _ltree_extract_risparent (PG_FUNCTION_ARGS)
 
Datum  _ltq_extract_regex (PG_FUNCTION_ARGS)
 
Datum  _ltxtq_extract_exec (PG_FUNCTION_ARGS)
 
Datum  _lca (PG_FUNCTION_ARGS)
 

Macro Definition Documentation

◆ NEXTVAL

#define NEXTVAL (   x )    ( (ltree*)( (char*)(x) + INTALIGN( VARSIZE(x) ) ) )

Definition at line 35 of file _ltree_op.c.

Typedef Documentation

◆ PGCALL2

typedef Datum(* PGCALL2) (PG_FUNCTION_ARGS)

Definition at line 33 of file _ltree_op.c.

Function Documentation

◆ _lca()

Datum _lca ( PG_FUNCTION_ARGS  )

Definition at line 293 of file _ltree_op.c.

294{
296 int num = ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la));
297 ltree *item = (ltree *) ARR_DATA_PTR(la);
298 ltree **a,
299 *res;
300
301 if (ARR_NDIM(la) > 1)
303 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
304 errmsg("array must be one-dimensional")));
305 if (array_contains_nulls(la))
307 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
308 errmsg("array must not contain nulls")));
309
310 a = (ltree **) palloc(sizeof(ltree *) * num);
311 while (num > 0)
312 {
313 num--;
314 a[num] = item;
315 item = NEXTVAL(item);
316 }
317 res = lca_inner(a, ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la)));
318 pfree(a);
319
320 PG_FREE_IF_COPY(la, 0);
321
322 if (res)
324 else
326}
#define NEXTVAL(x)
Definition: _ltree_op.c:35
#define ARR_NDIM(a)
Definition: array.h:290
#define PG_GETARG_ARRAYTYPE_P(n)
Definition: array.h:263
#define ARR_DATA_PTR(a)
Definition: array.h:322
#define ARR_DIMS(a)
Definition: array.h:294
bool array_contains_nulls(ArrayType *array)
Definition: arrayfuncs.c:3767
int ArrayGetNItems(int ndim, const int *dims)
Definition: arrayutils.c:57
int errcode(int sqlerrcode)
Definition: elog.c:854
int errmsg(const char *fmt,...)
Definition: elog.c:1071
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:150
#define PG_FREE_IF_COPY(ptr, n)
Definition: fmgr.h:260
#define PG_RETURN_NULL()
Definition: fmgr.h:345
#define PG_RETURN_POINTER(x)
Definition: fmgr.h:361
a
int a
Definition: isn.c:73
ltree * lca_inner(ltree **a, int len)
Definition: ltree_op.c:496
void pfree(void *pointer)
Definition: mcxt.c:1594
void * palloc(Size size)
Definition: mcxt.c:1365
Definition: array.h:93
Definition: ltree.h:43

References a, ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), ArrayGetNItems(), ereport, errcode(), errmsg(), ERROR, lca_inner(), NEXTVAL, palloc(), pfree(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_RETURN_NULL, and PG_RETURN_POINTER.

◆ _lt_q_regex()

Datum _lt_q_regex ( PG_FUNCTION_ARGS  )

Definition at line 135 of file _ltree_op.c.

136{
138 ArrayType *_query = PG_GETARG_ARRAYTYPE_P(1);
139 lquery *query = (lquery *) ARR_DATA_PTR(_query);
140 bool res = false;
141 int num = ArrayGetNItems(ARR_NDIM(_query), ARR_DIMS(_query));
142
143 if (ARR_NDIM(_query) > 1)
145 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
146 errmsg("array must be one-dimensional")));
147 if (array_contains_nulls(_query))
149 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
150 errmsg("array must not contain nulls")));
151
152 while (num > 0)
153 {
154 if (array_iterator(_tree, ltq_regex, query, NULL))
155 {
156 res = true;
157 break;
158 }
159 num--;
160 query = (lquery *) NEXTVAL(query);
161 }
162
163 PG_FREE_IF_COPY(_tree, 0);
164 PG_FREE_IF_COPY(_query, 1);
165 PG_RETURN_BOOL(res);
166}
static bool array_iterator(ArrayType *la, PGCALL2 callback, void *param, ltree **found)
Definition: _ltree_op.c:38
#define PG_RETURN_BOOL(x)
Definition: fmgr.h:359
Datum ltq_regex(PG_FUNCTION_ARGS)
Definition: lquery_op.c:215
Definition: ltree.h:114

References ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), array_iterator(), ArrayGetNItems(), ereport, errcode(), errmsg(), ERROR, ltq_regex(), NEXTVAL, PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, and PG_RETURN_BOOL.

Referenced by _lt_q_rregex().

◆ _lt_q_rregex()

Datum _lt_q_rregex ( PG_FUNCTION_ARGS  )

Definition at line 169 of file _ltree_op.c.

170{
174 ));
175}
Datum _lt_q_regex(PG_FUNCTION_ARGS)
Definition: _ltree_op.c:135
#define DirectFunctionCall2(func, arg1, arg2)
Definition: fmgr.h:684
#define PG_GETARG_DATUM(n)
Definition: fmgr.h:268
#define PG_RETURN_DATUM(x)
Definition: fmgr.h:353

References _lt_q_regex(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

◆ _ltq_extract_regex()

Datum _ltq_extract_regex ( PG_FUNCTION_ARGS  )

Definition at line 247 of file _ltree_op.c.

248{
250 lquery *query = PG_GETARG_LQUERY_P(1);
251 ltree *found,
252 *item;
253
254 if (!array_iterator(la, ltq_regex, query, &found))
255 {
256 PG_FREE_IF_COPY(la, 0);
257 PG_FREE_IF_COPY(query, 1);
259 }
260
261 item = (ltree *) palloc0(VARSIZE(found));
262 memcpy(item, found, VARSIZE(found));
263
264 PG_FREE_IF_COPY(la, 0);
265 PG_FREE_IF_COPY(query, 1);
266 PG_RETURN_POINTER(item);
267}
#define PG_GETARG_LQUERY_P(n)
Definition: ltree.h:223
void * palloc0(Size size)
Definition: mcxt.c:1395
static Size VARSIZE(const void *PTR)
Definition: varatt.h:298

References array_iterator(), ltq_regex(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LQUERY_P, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE().

◆ _ltq_regex()

Datum _ltq_regex ( PG_FUNCTION_ARGS  )

Definition at line 114 of file _ltree_op.c.

115{
117 lquery *query = PG_GETARG_LQUERY_P(1);
118 bool res = array_iterator(la, ltq_regex, query, NULL);
119
120 PG_FREE_IF_COPY(la, 0);
121 PG_FREE_IF_COPY(query, 1);
122 PG_RETURN_BOOL(res);
123}

References array_iterator(), ltq_regex(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LQUERY_P, and PG_RETURN_BOOL.

Referenced by _ltq_rregex().

◆ _ltq_rregex()

Datum _ltq_rregex ( PG_FUNCTION_ARGS  )

Definition at line 126 of file _ltree_op.c.

127{
131 ));
132}
Datum _ltq_regex(PG_FUNCTION_ARGS)
Definition: _ltree_op.c:114

References _ltq_regex(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

◆ _ltree_extract_isparent()

Datum _ltree_extract_isparent ( PG_FUNCTION_ARGS  )

Definition at line 201 of file _ltree_op.c.

202{
204 ltree *query = PG_GETARG_LTREE_P(1);
205 ltree *found,
206 *item;
207
208 if (!array_iterator(la, ltree_isparent, query, &found))
209 {
210 PG_FREE_IF_COPY(la, 0);
211 PG_FREE_IF_COPY(query, 1);
213 }
214
215 item = (ltree *) palloc0(VARSIZE(found));
216 memcpy(item, found, VARSIZE(found));
217
218 PG_FREE_IF_COPY(la, 0);
219 PG_FREE_IF_COPY(query, 1);
220 PG_RETURN_POINTER(item);
221}
PGDLLEXPORT Datum ltree_isparent(PG_FUNCTION_ARGS)
Definition: ltree_op.c:237
#define PG_GETARG_LTREE_P(n)
Definition: ltree.h:218

References array_iterator(), ltree_isparent(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE_P, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE().

◆ _ltree_extract_risparent()

Datum _ltree_extract_risparent ( PG_FUNCTION_ARGS  )

Definition at line 224 of file _ltree_op.c.

225{
227 ltree *query = PG_GETARG_LTREE_P(1);
228 ltree *found,
229 *item;
230
231 if (!array_iterator(la, ltree_risparent, query, &found))
232 {
233 PG_FREE_IF_COPY(la, 0);
234 PG_FREE_IF_COPY(query, 1);
236 }
237
238 item = (ltree *) palloc0(VARSIZE(found));
239 memcpy(item, found, VARSIZE(found));
240
241 PG_FREE_IF_COPY(la, 0);
242 PG_FREE_IF_COPY(query, 1);
243 PG_RETURN_POINTER(item);
244}
PGDLLEXPORT Datum ltree_risparent(PG_FUNCTION_ARGS)
Definition: ltree_op.c:249

References array_iterator(), ltree_risparent(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE_P, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE().

◆ _ltree_isparent()

Datum _ltree_isparent ( PG_FUNCTION_ARGS  )

Definition at line 72 of file _ltree_op.c.

73{
75 ltree *query = PG_GETARG_LTREE_P(1);
76 bool res = array_iterator(la, ltree_isparent, query, NULL);
77
78 PG_FREE_IF_COPY(la, 0);
79 PG_FREE_IF_COPY(query, 1);
80 PG_RETURN_BOOL(res);
81}

References array_iterator(), ltree_isparent(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE_P, and PG_RETURN_BOOL.

Referenced by _ltree_r_isparent().

◆ _ltree_r_isparent()

Datum _ltree_r_isparent ( PG_FUNCTION_ARGS  )

Definition at line 84 of file _ltree_op.c.

85{
89 ));
90}
Datum _ltree_isparent(PG_FUNCTION_ARGS)
Definition: _ltree_op.c:72

References _ltree_isparent(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

◆ _ltree_r_risparent()

Datum _ltree_r_risparent ( PG_FUNCTION_ARGS  )

Definition at line 105 of file _ltree_op.c.

106{
110 ));
111}
Datum _ltree_risparent(PG_FUNCTION_ARGS)
Definition: _ltree_op.c:93

References _ltree_risparent(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

◆ _ltree_risparent()

Datum _ltree_risparent ( PG_FUNCTION_ARGS  )

Definition at line 93 of file _ltree_op.c.

94{
96 ltree *query = PG_GETARG_LTREE_P(1);
97 bool res = array_iterator(la, ltree_risparent, query, NULL);
98
99 PG_FREE_IF_COPY(la, 0);
100 PG_FREE_IF_COPY(query, 1);
101 PG_RETURN_BOOL(res);
102}

References array_iterator(), ltree_risparent(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTREE_P, and PG_RETURN_BOOL.

Referenced by _ltree_r_risparent().

◆ _ltxtq_exec()

Datum _ltxtq_exec ( PG_FUNCTION_ARGS  )

Definition at line 179 of file _ltree_op.c.

180{
183 bool res = array_iterator(la, ltxtq_exec, query, NULL);
184
185 PG_FREE_IF_COPY(la, 0);
186 PG_FREE_IF_COPY(query, 1);
187 PG_RETURN_BOOL(res);
188}
#define PG_GETARG_LTXTQUERY_P(n)
Definition: ltree.h:228
PGDLLEXPORT Datum ltxtq_exec(PG_FUNCTION_ARGS)
Definition: ltxtquery_op.c:84
Definition: ltree.h:154

References array_iterator(), ltxtq_exec(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTXTQUERY_P, and PG_RETURN_BOOL.

Referenced by _ltxtq_rexec().

◆ _ltxtq_extract_exec()

Datum _ltxtq_extract_exec ( PG_FUNCTION_ARGS  )

Definition at line 270 of file _ltree_op.c.

271{
274 ltree *found,
275 *item;
276
277 if (!array_iterator(la, ltxtq_exec, query, &found))
278 {
279 PG_FREE_IF_COPY(la, 0);
280 PG_FREE_IF_COPY(query, 1);
282 }
283
284 item = (ltree *) palloc0(VARSIZE(found));
285 memcpy(item, found, VARSIZE(found));
286
287 PG_FREE_IF_COPY(la, 0);
288 PG_FREE_IF_COPY(query, 1);
289 PG_RETURN_POINTER(item);
290}

References array_iterator(), ltxtq_exec(), palloc0(), PG_FREE_IF_COPY, PG_GETARG_ARRAYTYPE_P, PG_GETARG_LTXTQUERY_P, PG_RETURN_NULL, PG_RETURN_POINTER, and VARSIZE().

◆ _ltxtq_rexec()

Datum _ltxtq_rexec ( PG_FUNCTION_ARGS  )

Definition at line 191 of file _ltree_op.c.

192{
196 ));
197}
Datum _ltxtq_exec(PG_FUNCTION_ARGS)
Definition: _ltree_op.c:179

References _ltxtq_exec(), DirectFunctionCall2, PG_GETARG_DATUM, and PG_RETURN_DATUM.

◆ array_iterator()

static bool array_iterator ( ArrayType *  la,
PGCALL2  callback,
void *  param,
ltree **  found 
)
static

Definition at line 38 of file _ltree_op.c.

39{
40 int num = ArrayGetNItems(ARR_NDIM(la), ARR_DIMS(la));
41 ltree *item = (ltree *) ARR_DATA_PTR(la);
42
43 if (ARR_NDIM(la) > 1)
45 (errcode(ERRCODE_ARRAY_SUBSCRIPT_ERROR),
46 errmsg("array must be one-dimensional")));
49 (errcode(ERRCODE_NULL_VALUE_NOT_ALLOWED),
50 errmsg("array must not contain nulls")));
51
52 if (found)
53 *found = NULL;
54 while (num > 0)
55 {
57 PointerGetDatum(item), PointerGetDatum(param))))
58 {
59
60 if (found)
61 *found = item;
62 return true;
63 }
64 num--;
65 item = NEXTVAL(item);
66 }
67
68 return false;
69}
static bool DatumGetBool(Datum X)
Definition: postgres.h:100
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:332
static void callback(struct sockaddr *addr, struct sockaddr *mask, void *unused)
Definition: test_ifaddrs.c:46

References ARR_DATA_PTR, ARR_DIMS, ARR_NDIM, array_contains_nulls(), ArrayGetNItems(), callback(), DatumGetBool(), DirectFunctionCall2, ereport, errcode(), errmsg(), ERROR, NEXTVAL, and PointerGetDatum().

Referenced by _lt_q_regex(), _ltq_extract_regex(), _ltq_regex(), _ltree_extract_isparent(), _ltree_extract_risparent(), _ltree_isparent(), _ltree_risparent(), _ltxtq_exec(), _ltxtq_extract_exec(), array_position_common(), array_positions(), array_sort_internal(), and exec_stmt_foreach_a().

◆ PG_FUNCTION_INFO_V1() [1/15]

PG_FUNCTION_INFO_V1 ( _lca  )

◆ PG_FUNCTION_INFO_V1() [2/15]

PG_FUNCTION_INFO_V1 ( _lt_q_regex  )

◆ PG_FUNCTION_INFO_V1() [3/15]

PG_FUNCTION_INFO_V1 ( _lt_q_rregex  )

◆ PG_FUNCTION_INFO_V1() [4/15]

PG_FUNCTION_INFO_V1 ( _ltq_extract_regex  )

◆ PG_FUNCTION_INFO_V1() [5/15]

PG_FUNCTION_INFO_V1 ( _ltq_regex  )

◆ PG_FUNCTION_INFO_V1() [6/15]

PG_FUNCTION_INFO_V1 ( _ltq_rregex  )

◆ PG_FUNCTION_INFO_V1() [7/15]

PG_FUNCTION_INFO_V1 ( _ltree_extract_isparent  )

◆ PG_FUNCTION_INFO_V1() [8/15]

PG_FUNCTION_INFO_V1 ( _ltree_extract_risparent  )

◆ PG_FUNCTION_INFO_V1() [9/15]

PG_FUNCTION_INFO_V1 ( _ltree_isparent  )

◆ PG_FUNCTION_INFO_V1() [10/15]

PG_FUNCTION_INFO_V1 ( _ltree_r_isparent  )

◆ PG_FUNCTION_INFO_V1() [11/15]

PG_FUNCTION_INFO_V1 ( _ltree_r_risparent  )

◆ PG_FUNCTION_INFO_V1() [12/15]

PG_FUNCTION_INFO_V1 ( _ltree_risparent  )

◆ PG_FUNCTION_INFO_V1() [13/15]

PG_FUNCTION_INFO_V1 ( _ltxtq_exec  )

◆ PG_FUNCTION_INFO_V1() [14/15]

PG_FUNCTION_INFO_V1 ( _ltxtq_extract_exec  )

◆ PG_FUNCTION_INFO_V1() [15/15]

PG_FUNCTION_INFO_V1 ( _ltxtq_rexec  )

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