PostgreSQL Source Code git master
nodes.h File Reference
#include "nodes/nodetags.h"
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Data Structures

struct  Node
 

Macros

#define pg_node_attr(...)
 
#define nodeTag(nodeptr)   (((const Node*)(nodeptr))->type)
 
#define makeNode(_type_)   ((_type_ *) newNode(sizeof(_type_),T_##_type_))
 
#define NodeSetTag(nodeptr, t)   (((Node*)(nodeptr))->type = (t))
 
#define IsA(nodeptr, _type_)   (nodeTag(nodeptr) == T_##_type_)
 
#define castNode(_type_, nodeptr)   ((_type_ *) (nodeptr))
 
#define copyObject(obj)   copyObjectImpl(obj)
 
#define IS_OUTER_JOIN(jointype)
 
#define AGGSPLITOP_COMBINE   0x01 /* substitute combinefn for transfn */
 
#define AGGSPLITOP_SKIPFINAL   0x02 /* skip finalfn, return state as-is */
 
#define AGGSPLITOP_SERIALIZE   0x04 /* apply serialfn to output */
 
#define AGGSPLITOP_DESERIALIZE   0x08 /* apply deserialfn to input */
 
#define DO_AGGSPLIT_COMBINE(as)   (((as) & AGGSPLITOP_COMBINE) != 0)
 
#define DO_AGGSPLIT_SKIPFINAL(as)   (((as) & AGGSPLITOP_SKIPFINAL) != 0)
 
#define DO_AGGSPLIT_SERIALIZE(as)   (((as) & AGGSPLITOP_SERIALIZE) != 0)
 
#define DO_AGGSPLIT_DESERIALIZE(as)   (((as) & AGGSPLITOP_DESERIALIZE) != 0)
 

Typedefs

typedef enum NodeTag NodeTag
 
typedef struct Node Node
 
typedef int ParseLoc
 
typedef double Selectivity
 
typedef double Cost
 
typedef double Cardinality
 
typedef enum CmdType CmdType
 
typedef enum JoinType JoinType
 
typedef enum AggStrategy AggStrategy
 
typedef enum AggSplit AggSplit
 
typedef enum SetOpCmd SetOpCmd
 
typedef enum SetOpStrategy SetOpStrategy
 
typedef enum OnConflictAction OnConflictAction
 
typedef enum LimitOption LimitOption
 

Enumerations

enum  NodeTag { T_Invalid = 0 }
 
enum  CmdType {
  CMD_UNKNOWN , CMD_SELECT , CMD_UPDATE , CMD_INSERT ,
  CMD_DELETE , CMD_MERGE , CMD_UTILITY , CMD_NOTHING
}
 
enum  JoinType {
  JOIN_INNER , JOIN_LEFT , JOIN_FULL , JOIN_RIGHT ,
  JOIN_SEMI , JOIN_ANTI , JOIN_RIGHT_SEMI , JOIN_RIGHT_ANTI ,
  JOIN_UNIQUE_OUTER , JOIN_UNIQUE_INNER
}
 
enum  AggStrategy { AGG_PLAIN , AGG_SORTED , AGG_HASHED , AGG_MIXED }
 
enum  AggSplit { AGGSPLIT_SIMPLE = 0 , AGGSPLIT_INITIAL_SERIAL = AGGSPLITOP_SKIPFINAL | AGGSPLITOP_SERIALIZE , AGGSPLIT_FINAL_DESERIAL = AGGSPLITOP_COMBINE | AGGSPLITOP_DESERIALIZE }
 
enum  SetOpCmd { SETOPCMD_INTERSECT , SETOPCMD_INTERSECT_ALL , SETOPCMD_EXCEPT , SETOPCMD_EXCEPT_ALL }
 
enum  SetOpStrategy { SETOP_SORTED , SETOP_HASHED }
 
enum  OnConflictAction { ONCONFLICT_NONE , ONCONFLICT_NOTHING , ONCONFLICT_UPDATE }
 
enum  LimitOption { LIMIT_OPTION_COUNT , LIMIT_OPTION_WITH_TIES }
 

Functions

static NodenewNode (size_t size, NodeTag tag)
 
void outNode (struct StringInfoData *str, const void *obj)
 
void outToken (struct StringInfoData *str, const char *s)
 
void outBitmapset (struct StringInfoData *str, const struct Bitmapset *bms)
 
void outDatum (struct StringInfoData *str, uintptr_t value, int typlen, bool typbyval)
 
char * nodeToString (const void *obj)
 
char * nodeToStringWithLocations (const void *obj)
 
char * bmsToString (const struct Bitmapset *bms)
 
void * stringToNode (const char *str)
 
struct BitmapsetreadBitmapset (void)
 
uintptr_t readDatum (bool typbyval)
 
bool * readBoolCols (int numCols)
 
int * readIntCols (int numCols)
 
OidreadOidCols (int numCols)
 
int16readAttrNumberCols (int numCols)
 
void * copyObjectImpl (const void *from)
 
bool equal (const void *a, const void *b)
 

Macro Definition Documentation

◆ AGGSPLITOP_COMBINE

#define AGGSPLITOP_COMBINE   0x01 /* substitute combinefn for transfn */

Definition at line 370 of file nodes.h.

◆ AGGSPLITOP_DESERIALIZE

#define AGGSPLITOP_DESERIALIZE   0x08 /* apply deserialfn to input */

Definition at line 373 of file nodes.h.

◆ AGGSPLITOP_SERIALIZE

#define AGGSPLITOP_SERIALIZE   0x04 /* apply serialfn to output */

Definition at line 372 of file nodes.h.

◆ AGGSPLITOP_SKIPFINAL

#define AGGSPLITOP_SKIPFINAL   0x02 /* skip finalfn, return state as-is */

Definition at line 371 of file nodes.h.

◆ castNode

#define castNode (   _type_,
  nodeptr 
)    ((_type_ *) (nodeptr))

Definition at line 178 of file nodes.h.

◆ copyObject

#define copyObject (   obj)    copyObjectImpl(obj)

Definition at line 226 of file nodes.h.

◆ DO_AGGSPLIT_COMBINE

#define DO_AGGSPLIT_COMBINE (   as)    (((as) & AGGSPLITOP_COMBINE) != 0)

Definition at line 387 of file nodes.h.

◆ DO_AGGSPLIT_DESERIALIZE

#define DO_AGGSPLIT_DESERIALIZE (   as)    (((as) & AGGSPLITOP_DESERIALIZE) != 0)

Definition at line 390 of file nodes.h.

◆ DO_AGGSPLIT_SERIALIZE

#define DO_AGGSPLIT_SERIALIZE (   as)    (((as) & AGGSPLITOP_SERIALIZE) != 0)

Definition at line 389 of file nodes.h.

◆ DO_AGGSPLIT_SKIPFINAL

#define DO_AGGSPLIT_SKIPFINAL (   as)    (((as) & AGGSPLITOP_SKIPFINAL) != 0)

Definition at line 388 of file nodes.h.

◆ IS_OUTER_JOIN

#define IS_OUTER_JOIN (   jointype)
Value:
(((1 << (jointype)) & \
((1 << JOIN_LEFT) | \
(1 << JOIN_FULL) | \
(1 << JOIN_RIGHT) | \
(1 << JOIN_ANTI) | \
(1 << JOIN_RIGHT_ANTI))) != 0)
@ JOIN_FULL
Definition: nodes.h:297
@ JOIN_RIGHT
Definition: nodes.h:298
@ JOIN_LEFT
Definition: nodes.h:296
@ JOIN_RIGHT_ANTI
Definition: nodes.h:312
@ JOIN_ANTI
Definition: nodes.h:310

Definition at line 340 of file nodes.h.

◆ IsA

#define IsA (   nodeptr,
  _type_ 
)    (nodeTag(nodeptr) == T_##_type_)

Definition at line 160 of file nodes.h.

◆ makeNode

#define makeNode (   _type_)    ((_type_ *) newNode(sizeof(_type_),T_##_type_))

Definition at line 157 of file nodes.h.

◆ NodeSetTag

#define NodeSetTag (   nodeptr,
 
)    (((Node*)(nodeptr))->type = (t))

Definition at line 158 of file nodes.h.

◆ nodeTag

#define nodeTag (   nodeptr)    (((const Node*)(nodeptr))->type)

Definition at line 135 of file nodes.h.

◆ pg_node_attr

#define pg_node_attr (   ...)

Definition at line 122 of file nodes.h.

Typedef Documentation

◆ AggSplit

typedef enum AggSplit AggSplit

◆ AggStrategy

typedef enum AggStrategy AggStrategy

◆ Cardinality

typedef double Cardinality

Definition at line 254 of file nodes.h.

◆ CmdType

typedef enum CmdType CmdType

◆ Cost

typedef double Cost

Definition at line 253 of file nodes.h.

◆ JoinType

typedef enum JoinType JoinType

◆ LimitOption

typedef enum LimitOption LimitOption

◆ Node

typedef struct Node Node

◆ NodeTag

typedef enum NodeTag NodeTag

◆ OnConflictAction

◆ ParseLoc

typedef int ParseLoc

Definition at line 242 of file nodes.h.

◆ Selectivity

typedef double Selectivity

Definition at line 252 of file nodes.h.

◆ SetOpCmd

typedef enum SetOpCmd SetOpCmd

◆ SetOpStrategy

Enumeration Type Documentation

◆ AggSplit

enum AggSplit
Enumerator
AGGSPLIT_SIMPLE 
AGGSPLIT_INITIAL_SERIAL 
AGGSPLIT_FINAL_DESERIAL 

Definition at line 376 of file nodes.h.

377{
378 /* Basic, non-split aggregation: */
379 AGGSPLIT_SIMPLE = 0,
380 /* Initial phase of partial aggregation, with serialization: */
382 /* Final phase of partial aggregation, with deserialization: */
384} AggSplit;
#define AGGSPLITOP_DESERIALIZE
Definition: nodes.h:373
#define AGGSPLITOP_SKIPFINAL
Definition: nodes.h:371
#define AGGSPLITOP_SERIALIZE
Definition: nodes.h:372
AggSplit
Definition: nodes.h:377
@ AGGSPLIT_FINAL_DESERIAL
Definition: nodes.h:383
@ AGGSPLIT_SIMPLE
Definition: nodes.h:379
@ AGGSPLIT_INITIAL_SERIAL
Definition: nodes.h:381
#define AGGSPLITOP_COMBINE
Definition: nodes.h:370

◆ AggStrategy

Enumerator
AGG_PLAIN 
AGG_SORTED 
AGG_HASHED 
AGG_MIXED 

Definition at line 354 of file nodes.h.

355{
356 AGG_PLAIN, /* simple agg across all input rows */
357 AGG_SORTED, /* grouped agg, input must be sorted */
358 AGG_HASHED, /* grouped agg, use internal hashtable */
359 AGG_MIXED, /* grouped agg, hash and sort both used */
AggStrategy
Definition: nodes.h:355
@ AGG_SORTED
Definition: nodes.h:357
@ AGG_HASHED
Definition: nodes.h:358
@ AGG_MIXED
Definition: nodes.h:359
@ AGG_PLAIN
Definition: nodes.h:356

◆ CmdType

enum CmdType
Enumerator
CMD_UNKNOWN 
CMD_SELECT 
CMD_UPDATE 
CMD_INSERT 
CMD_DELETE 
CMD_MERGE 
CMD_UTILITY 
CMD_NOTHING 

Definition at line 264 of file nodes.h.

265{
267 CMD_SELECT, /* select stmt */
268 CMD_UPDATE, /* update stmt */
269 CMD_INSERT, /* insert stmt */
270 CMD_DELETE, /* delete stmt */
271 CMD_MERGE, /* merge stmt */
272 CMD_UTILITY, /* cmds like create, destroy, copy, vacuum,
273 * etc. */
274 CMD_NOTHING, /* dummy command for instead nothing rules
275 * with qual */
276} CmdType;
CmdType
Definition: nodes.h:265
@ CMD_MERGE
Definition: nodes.h:271
@ CMD_UTILITY
Definition: nodes.h:272
@ CMD_INSERT
Definition: nodes.h:269
@ CMD_DELETE
Definition: nodes.h:270
@ CMD_UNKNOWN
Definition: nodes.h:266
@ CMD_UPDATE
Definition: nodes.h:268
@ CMD_SELECT
Definition: nodes.h:267
@ CMD_NOTHING
Definition: nodes.h:274

◆ JoinType

enum JoinType
Enumerator
JOIN_INNER 
JOIN_LEFT 
JOIN_FULL 
JOIN_RIGHT 
JOIN_SEMI 
JOIN_ANTI 
JOIN_RIGHT_SEMI 
JOIN_RIGHT_ANTI 
JOIN_UNIQUE_OUTER 
JOIN_UNIQUE_INNER 

Definition at line 289 of file nodes.h.

290{
291 /*
292 * The canonical kinds of joins according to the SQL JOIN syntax. Only
293 * these codes can appear in parser output (e.g., JoinExpr nodes).
294 */
295 JOIN_INNER, /* matching tuple pairs only */
296 JOIN_LEFT, /* pairs + unmatched LHS tuples */
297 JOIN_FULL, /* pairs + unmatched LHS + unmatched RHS */
298 JOIN_RIGHT, /* pairs + unmatched RHS tuples */
299
300 /*
301 * Semijoins and anti-semijoins (as defined in relational theory) do not
302 * appear in the SQL JOIN syntax, but there are standard idioms for
303 * representing them (e.g., using EXISTS). The planner recognizes these
304 * cases and converts them to joins. So the planner and executor must
305 * support these codes. NOTE: in JOIN_SEMI output, it is unspecified
306 * which matching RHS row is joined to. In JOIN_ANTI output, the row is
307 * guaranteed to be null-extended.
308 */
309 JOIN_SEMI, /* 1 copy of each LHS row that has match(es) */
310 JOIN_ANTI, /* 1 copy of each LHS row that has no match */
311 JOIN_RIGHT_SEMI, /* 1 copy of each RHS row that has match(es) */
312 JOIN_RIGHT_ANTI, /* 1 copy of each RHS row that has no match */
313
314 /*
315 * These codes are used internally in the planner, but are not supported
316 * by the executor (nor, indeed, by most of the planner).
317 */
318 JOIN_UNIQUE_OUTER, /* LHS path must be made unique */
319 JOIN_UNIQUE_INNER, /* RHS path must be made unique */
320
321 /*
322 * We might need additional join types someday.
323 */
324} JoinType;
JoinType
Definition: nodes.h:290
@ JOIN_SEMI
Definition: nodes.h:309
@ JOIN_INNER
Definition: nodes.h:295
@ JOIN_RIGHT_SEMI
Definition: nodes.h:311
@ JOIN_UNIQUE_OUTER
Definition: nodes.h:318
@ JOIN_UNIQUE_INNER
Definition: nodes.h:319

◆ LimitOption

Enumerator
LIMIT_OPTION_COUNT 
LIMIT_OPTION_WITH_TIES 

Definition at line 431 of file nodes.h.

432{
433 LIMIT_OPTION_COUNT, /* FETCH FIRST... ONLY */
434 LIMIT_OPTION_WITH_TIES, /* FETCH FIRST... WITH TIES */
LimitOption
Definition: nodes.h:432
@ LIMIT_OPTION_COUNT
Definition: nodes.h:433
@ LIMIT_OPTION_WITH_TIES
Definition: nodes.h:434

◆ NodeTag

enum NodeTag
Enumerator
T_Invalid 

Definition at line 26 of file nodes.h.

27{
28 T_Invalid = 0,
29
30#include "nodes/nodetags.h"
31} NodeTag;
NodeTag
Definition: nodes.h:27
@ T_Invalid
Definition: nodes.h:28

◆ OnConflictAction

Enumerator
ONCONFLICT_NONE 
ONCONFLICT_NOTHING 
ONCONFLICT_UPDATE 

Definition at line 418 of file nodes.h.

419{
420 ONCONFLICT_NONE, /* No "ON CONFLICT" clause */
421 ONCONFLICT_NOTHING, /* ON CONFLICT ... DO NOTHING */
422 ONCONFLICT_UPDATE, /* ON CONFLICT ... DO UPDATE */
OnConflictAction
Definition: nodes.h:419
@ ONCONFLICT_NONE
Definition: nodes.h:420
@ ONCONFLICT_UPDATE
Definition: nodes.h:422
@ ONCONFLICT_NOTHING
Definition: nodes.h:421

◆ SetOpCmd

enum SetOpCmd
Enumerator
SETOPCMD_INTERSECT 
SETOPCMD_INTERSECT_ALL 
SETOPCMD_EXCEPT 
SETOPCMD_EXCEPT_ALL 

Definition at line 398 of file nodes.h.

399{
404} SetOpCmd;
SetOpCmd
Definition: nodes.h:399
@ SETOPCMD_EXCEPT
Definition: nodes.h:402
@ SETOPCMD_EXCEPT_ALL
Definition: nodes.h:403
@ SETOPCMD_INTERSECT_ALL
Definition: nodes.h:401
@ SETOPCMD_INTERSECT
Definition: nodes.h:400

◆ SetOpStrategy

Enumerator
SETOP_SORTED 
SETOP_HASHED 

Definition at line 406 of file nodes.h.

407{
408 SETOP_SORTED, /* input must be sorted */
409 SETOP_HASHED, /* use internal hashtable */
SetOpStrategy
Definition: nodes.h:407
@ SETOP_HASHED
Definition: nodes.h:409
@ SETOP_SORTED
Definition: nodes.h:408

Function Documentation

◆ bmsToString()

char * bmsToString ( const struct Bitmapset bms)

◆ copyObjectImpl()

void * copyObjectImpl ( const void *  from)

Definition at line 177 of file copyfuncs.c.

178{
179 void *retval;
180
181 if (from == NULL)
182 return NULL;
183
184 /* Guard against stack overflow due to overly complex expressions */
186
187 switch (nodeTag(from))
188 {
189#include "copyfuncs.switch.c"
190
191 case T_List:
192 retval = list_copy_deep(from);
193 break;
194
195 /*
196 * Lists of integers, OIDs and XIDs don't need to be deep-copied,
197 * so we perform a shallow copy via list_copy()
198 */
199 case T_IntList:
200 case T_OidList:
201 case T_XidList:
202 retval = list_copy(from);
203 break;
204
205 default:
206 elog(ERROR, "unrecognized node type: %d", (int) nodeTag(from));
207 retval = 0; /* keep compiler quiet */
208 break;
209 }
210
211 return retval;
212}
#define ERROR
Definition: elog.h:39
#define elog(elevel,...)
Definition: elog.h:225
List * list_copy_deep(const List *oldlist)
Definition: list.c:1639
List * list_copy(const List *oldlist)
Definition: list.c:1573
#define nodeTag(nodeptr)
Definition: nodes.h:135
void check_stack_depth(void)
Definition: stack_depth.c:95

References check_stack_depth(), elog, ERROR, list_copy(), list_copy_deep(), and nodeTag.

Referenced by list_copy_deep().

◆ equal()

bool equal ( const void *  a,
const void *  b 
)

Definition at line 223 of file equalfuncs.c.

224{
225 bool retval;
226
227 if (a == b)
228 return true;
229
230 /*
231 * note that a!=b, so only one of them can be NULL
232 */
233 if (a == NULL || b == NULL)
234 return false;
235
236 /*
237 * are they the same type of nodes?
238 */
239 if (nodeTag(a) != nodeTag(b))
240 return false;
241
242 /* Guard against stack overflow due to overly complex expressions */
244
245 switch (nodeTag(a))
246 {
247#include "equalfuncs.switch.c"
248
249 case T_List:
250 case T_IntList:
251 case T_OidList:
252 case T_XidList:
253 retval = _equalList(a, b);
254 break;
255
256 default:
257 elog(ERROR, "unrecognized node type: %d",
258 (int) nodeTag(a));
259 retval = false; /* keep compiler quiet */
260 break;
261 }
262
263 return retval;
264}
static bool _equalList(const List *a, const List *b)
Definition: equalfuncs.c:156
int b
Definition: isn.c:71
int a
Definition: isn.c:70

References _equalList(), a, b, check_stack_depth(), elog, ERROR, and nodeTag.

Referenced by _equalA_Const(), _equalList(), add_row_identity_var(), add_sp_item_to_pathtarget(), add_unique_group_var(), addRangeClause(), AlterPublicationTables(), calc_hist_selectivity_scalar(), calc_length_hist_frac(), ChangeVarNodes_walker(), check_new_partition_bound(), clause_is_strict_for(), CompareIndexInfo(), convert_subquery_pathkeys(), create_ordered_paths(), create_projection_path(), CreateStatistics(), deparseParam(), deparseVar(), dependencies_clauselist_selectivity(), dependency_is_compatible_expression(), ec_member_matches_foreign(), equalPolicy(), equalRuleLocks(), estimate_multivariate_ndistinct(), examine_variable(), ExecInitWindowAgg(), expand_grouping_sets(), exprs_known_equal(), finalize_grouping_exprs_walker(), find_compatible_agg(), find_ec_member_matching_expr(), find_em_for_rel_target(), find_list_position(), find_minmax_agg_replacement_param(), findTargetlistEntrySQL92(), findTargetlistEntrySQL99(), fix_expr_common(), fix_indexqual_operand(), get_eclass_for_sort_expr(), get_partition_for_tuple(), get_variable(), group_by_has_partkey(), grouping_planner(), infer_collation_opclass_match(), length_hist_bsearch(), list_delete(), list_member(), match_boolean_partition_clause(), match_clause_to_partition_key(), match_eclasses_to_foreign_key_col(), match_expr_to_partition_keys(), match_index_to_operand(), match_unique_clauses(), matches_boolean_partition_clause(), maybe_reread_subscription(), mcv_match_expression(), MergeAttributes(), MergeCheckConstraint(), MergeWithExistingConstraint(), operator_predicate_proof(), optimize_window_clauses(), pg_parse_query(), pg_plan_query(), pg_rewrite_query(), plan_union_children(), predicate_implied_by_simple_clause(), predicate_refuted_by_simple_clause(), preprocess_groupclause(), process_duplicate_ors(), process_equivalence(), process_matched_tle(), process_subquery_nestloop_params(), rbound_bsearch(), recomputeNamespacePath(), reconsider_full_join_clause(), reconsider_outer_join_clause(), RelationGetIndexAttrBitmap(), replace_nestloop_param_placeholdervar(), replace_nestloop_param_var(), restrict_infos_logically_equal(), search_indexed_tlist_for_sortgroupref(), split_selfjoin_quals(), stat_find_expression(), substitute_grouped_columns_mutator(), tlist_member(), tlist_same_exprs(), transformIndexConstraints(), transformPartitionBound(), transformWindowFuncCall(), trivial_subqueryscan(), and update_eclasses().

◆ newNode()

static Node * newNode ( size_t  size,
NodeTag  tag 
)
inlinestatic

Definition at line 146 of file nodes.h.

147{
148 Node *result;
149
150 Assert(size >= sizeof(Node)); /* need the tag, at least */
151 result = (Node *) palloc0(size);
152 result->type = tag;
153
154 return result;
155}
Assert(PointerIsAligned(start, uint64))
void * palloc0(Size size)
Definition: mcxt.c:1347
Definition: nodes.h:131
NodeTag type
Definition: nodes.h:132

References Assert(), palloc0(), and Node::type.

Referenced by _copyExtensibleNode(), and _readExtensibleNode().

◆ nodeToString()

◆ nodeToStringWithLocations()

char * nodeToStringWithLocations ( const void *  obj)

Definition at line 800 of file outfuncs.c.

801{
802 return nodeToStringInternal(obj, true);
803}

References nodeToStringInternal().

Referenced by elog_node_display(), pg_parse_query(), pg_plan_query(), pg_rewrite_query(), pprint(), and print().

◆ outBitmapset()

void outBitmapset ( struct StringInfoData str,
const struct Bitmapset bms 
)

◆ outDatum()

void outDatum ( struct StringInfoData str,
uintptr_t  value,
int  typlen,
bool  typbyval 
)

◆ outNode()

void outNode ( struct StringInfoData str,
const void *  obj 
)

◆ outToken()

void outToken ( struct StringInfoData str,
const char *  s 
)

◆ readAttrNumberCols()

int16 * readAttrNumberCols ( int  numCols)

◆ readBitmapset()

struct Bitmapset * readBitmapset ( void  )

Definition at line 245 of file readfuncs.c.

246{
247 return _readBitmapset();
248}
static Bitmapset * _readBitmapset(void)
Definition: readfuncs.c:203

References _readBitmapset().

◆ readBoolCols()

bool * readBoolCols ( int  numCols)

◆ readDatum()

uintptr_t readDatum ( bool  typbyval)

Definition at line 592 of file readfuncs.c.

593{
594 Size length,
595 i;
596 int tokenLength;
597 const char *token;
598 Datum res;
599 char *s;
600
601 /*
602 * read the actual length of the value
603 */
604 token = pg_strtok(&tokenLength);
605 length = atoui(token);
606
607 token = pg_strtok(&tokenLength); /* read the '[' */
608 if (token == NULL || token[0] != '[')
609 elog(ERROR, "expected \"[\" to start datum, but got \"%s\"; length = %zu",
610 token ? token : "[NULL]", length);
611
612 if (typbyval)
613 {
614 if (length > (Size) sizeof(Datum))
615 elog(ERROR, "byval datum but length = %zu", length);
616 res = (Datum) 0;
617 s = (char *) (&res);
618 for (i = 0; i < (Size) sizeof(Datum); i++)
619 {
620 token = pg_strtok(&tokenLength);
621 s[i] = (char) atoi(token);
622 }
623 }
624 else if (length <= 0)
625 res = (Datum) NULL;
626 else
627 {
628 s = (char *) palloc(length);
629 for (i = 0; i < length; i++)
630 {
631 token = pg_strtok(&tokenLength);
632 s[i] = (char) atoi(token);
633 }
634 res = PointerGetDatum(s);
635 }
636
637 token = pg_strtok(&tokenLength); /* read the ']' */
638 if (token == NULL || token[0] != ']')
639 elog(ERROR, "expected \"]\" to end datum, but got \"%s\"; length = %zu",
640 token ? token : "[NULL]", length);
641
642 return res;
643}
size_t Size
Definition: c.h:576
#define token
Definition: indent_globs.h:126
int i
Definition: isn.c:74
void * palloc(Size size)
Definition: mcxt.c:1317
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:327
uintptr_t Datum
Definition: postgres.h:69
const char * pg_strtok(int *length)
Definition: read.c:153
#define atoui(x)
Definition: readfuncs.c:177

References atoui, elog, ERROR, i, palloc(), pg_strtok(), PointerGetDatum(), and token.

Referenced by _readConst().

◆ readIntCols()

int * readIntCols ( int  numCols)

◆ readOidCols()

Oid * readOidCols ( int  numCols)

◆ stringToNode()

void * stringToNode ( const char *  str)

Definition at line 90 of file read.c.

91{
92 return stringToNodeInternal(str, false);
93}
const char * str
static void * stringToNodeInternal(const char *str, bool restore_loc_fields)
Definition: read.c:49

References str, and stringToNodeInternal().

Referenced by AddRelationNewConstraints(), AlterPolicy(), AlterPublicationTables(), CloneRowTriggersToPartition(), ConstraintImpliedByRelConstraint(), ExecParallelGetQueryDesc(), ExecRelCheck(), expandTableLikeClause(), fetch_function_defaults(), fetch_statentries_for_relation(), fmgr_sql_validator(), func_get_detail(), generate_partition_qual(), generateClonedExtStatsStmt(), generateClonedIndexStmt(), GenerateTypeDependencies(), get_dependent_generated_columns(), get_qual_for_range(), get_relation_constraints(), get_relation_statistics(), get_typdefault(), index_concurrently_create_copy(), init_sql_fcache(), inline_function(), inline_set_returning_function(), load_domaintype_info(), make_ruledef(), make_viewdef(), MergeAttributes(), MergeWithExistingConstraint(), pg_get_constraintdef_worker(), pg_get_expr_worker(), pg_get_function_arg_default(), pg_get_indexdef_worker(), pg_get_partkeydef_worker(), pg_get_statisticsobj_worker(), pg_get_statisticsobjdef_expressions(), pg_get_triggerdef_worker(), pgoutput_row_filter_init(), print_function_arguments(), print_function_sqlbody(), ProcedureCreate(), pub_rf_contains_invalid_column(), QueueCheckConstraintValidation(), RelationBuildPartitionDesc(), RelationBuildPartitionKey(), RelationBuildRowSecurity(), RelationBuildRuleLock(), RelationGetDummyIndexExpressions(), RelationGetIndexAttrBitmap(), RelationGetIndexExpressions(), RelationGetIndexPredicate(), TriggerEnabled(), TupleDescGetDefault(), TypeCreate(), and validateDomainCheckConstraint().