PostgreSQL Source Code  git master
view.c File Reference
#include "postgres.h"
#include "access/relation.h"
#include "access/xact.h"
#include "catalog/namespace.h"
#include "commands/tablecmds.h"
#include "commands/view.h"
#include "nodes/makefuncs.h"
#include "nodes/nodeFuncs.h"
#include "parser/analyze.h"
#include "parser/parse_relation.h"
#include "rewrite/rewriteDefine.h"
#include "rewrite/rewriteHandler.h"
#include "rewrite/rewriteSupport.h"
#include "utils/builtins.h"
#include "utils/lsyscache.h"
#include "utils/rel.h"
Include dependency graph for view.c:

Go to the source code of this file.

Functions

static void checkViewColumns (TupleDesc newdesc, TupleDesc olddesc)
 
static ObjectAddress DefineVirtualRelation (RangeVar *relation, List *tlist, bool replace, List *options, Query *viewParse)
 
static void DefineViewRules (Oid viewOid, Query *viewParse, bool replace)
 
ObjectAddress DefineView (ViewStmt *stmt, const char *queryString, int stmt_location, int stmt_len)
 
void StoreViewQuery (Oid viewOid, Query *viewParse, bool replace)
 

Function Documentation

◆ checkViewColumns()

static void checkViewColumns ( TupleDesc  newdesc,
TupleDesc  olddesc 
)
static

Definition at line 267 of file view.c.

268 {
269  int i;
270 
271  if (newdesc->natts < olddesc->natts)
272  ereport(ERROR,
273  (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
274  errmsg("cannot drop columns from view")));
275 
276  for (i = 0; i < olddesc->natts; i++)
277  {
278  Form_pg_attribute newattr = TupleDescAttr(newdesc, i);
279  Form_pg_attribute oldattr = TupleDescAttr(olddesc, i);
280 
281  /* XXX msg not right, but we don't support DROP COL on view anyway */
282  if (newattr->attisdropped != oldattr->attisdropped)
283  ereport(ERROR,
284  (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
285  errmsg("cannot drop columns from view")));
286 
287  if (strcmp(NameStr(newattr->attname), NameStr(oldattr->attname)) != 0)
288  ereport(ERROR,
289  (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
290  errmsg("cannot change name of view column \"%s\" to \"%s\"",
291  NameStr(oldattr->attname),
292  NameStr(newattr->attname)),
293  errhint("Use ALTER VIEW ... RENAME COLUMN ... to change name of view column instead.")));
294 
295  /*
296  * We cannot allow type, typmod, or collation to change, since these
297  * properties may be embedded in Vars of other views/rules referencing
298  * this one. Other column attributes can be ignored.
299  */
300  if (newattr->atttypid != oldattr->atttypid ||
301  newattr->atttypmod != oldattr->atttypmod)
302  ereport(ERROR,
303  (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
304  errmsg("cannot change data type of view column \"%s\" from %s to %s",
305  NameStr(oldattr->attname),
306  format_type_with_typemod(oldattr->atttypid,
307  oldattr->atttypmod),
308  format_type_with_typemod(newattr->atttypid,
309  newattr->atttypmod))));
310 
311  /*
312  * At this point, attcollations should be both valid or both invalid,
313  * so applying get_collation_name unconditionally should be fine.
314  */
315  if (newattr->attcollation != oldattr->attcollation)
316  ereport(ERROR,
317  (errcode(ERRCODE_INVALID_TABLE_DEFINITION),
318  errmsg("cannot change collation of view column \"%s\" from \"%s\" to \"%s\"",
319  NameStr(oldattr->attname),
320  get_collation_name(oldattr->attcollation),
321  get_collation_name(newattr->attcollation))));
322  }
323 
324  /*
325  * We ignore the constraint fields. The new view desc can't have any
326  * constraints, and the only ones that could be on the old view are
327  * defaults, which we are happy to leave in place.
328  */
329 }
#define NameStr(name)
Definition: c.h:746
int errhint(const char *fmt,...)
Definition: elog.c:1317
int errcode(int sqlerrcode)
Definition: elog.c:857
int errmsg(const char *fmt,...)
Definition: elog.c:1070
#define ERROR
Definition: elog.h:39
#define ereport(elevel,...)
Definition: elog.h:149
char * format_type_with_typemod(Oid type_oid, int32 typemod)
Definition: format_type.c:362
int i
Definition: isn.c:73
char * get_collation_name(Oid colloid)
Definition: lsyscache.c:1035
FormData_pg_attribute * Form_pg_attribute
Definition: pg_attribute.h:209
#define TupleDescAttr(tupdesc, i)
Definition: tupdesc.h:92

References ereport, errcode(), errhint(), errmsg(), ERROR, format_type_with_typemod(), get_collation_name(), i, NameStr, TupleDescData::natts, and TupleDescAttr.

Referenced by DefineVirtualRelation().

◆ DefineView()

ObjectAddress DefineView ( ViewStmt stmt,
const char *  queryString,
int  stmt_location,
int  stmt_len 
)

Definition at line 356 of file view.c.

358 {
359  RawStmt *rawstmt;
360  Query *viewParse;
361  RangeVar *view;
362  ListCell *cell;
363  bool check_option;
364  ObjectAddress address;
365 
366  /*
367  * Run parse analysis to convert the raw parse tree to a Query. Note this
368  * also acquires sufficient locks on the source table(s).
369  */
370  rawstmt = makeNode(RawStmt);
371  rawstmt->stmt = stmt->query;
372  rawstmt->stmt_location = stmt_location;
373  rawstmt->stmt_len = stmt_len;
374 
375  viewParse = parse_analyze_fixedparams(rawstmt, queryString, NULL, 0, NULL);
376 
377  /*
378  * The grammar should ensure that the result is a single SELECT Query.
379  * However, it doesn't forbid SELECT INTO, so we have to check for that.
380  */
381  if (!IsA(viewParse, Query))
382  elog(ERROR, "unexpected parse analysis result");
383  if (viewParse->utilityStmt != NULL &&
384  IsA(viewParse->utilityStmt, CreateTableAsStmt))
385  ereport(ERROR,
386  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
387  errmsg("views must not contain SELECT INTO")));
388  if (viewParse->commandType != CMD_SELECT)
389  elog(ERROR, "unexpected parse analysis result");
390 
391  /*
392  * Check for unsupported cases. These tests are redundant with ones in
393  * DefineQueryRewrite(), but that function will complain about a bogus ON
394  * SELECT rule, and we'd rather the message complain about a view.
395  */
396  if (viewParse->hasModifyingCTE)
397  ereport(ERROR,
398  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
399  errmsg("views must not contain data-modifying statements in WITH")));
400 
401  /*
402  * If the user specified the WITH CHECK OPTION, add it to the list of
403  * reloptions.
404  */
405  if (stmt->withCheckOption == LOCAL_CHECK_OPTION)
406  stmt->options = lappend(stmt->options,
407  makeDefElem("check_option",
408  (Node *) makeString("local"), -1));
409  else if (stmt->withCheckOption == CASCADED_CHECK_OPTION)
410  stmt->options = lappend(stmt->options,
411  makeDefElem("check_option",
412  (Node *) makeString("cascaded"), -1));
413 
414  /*
415  * Check that the view is auto-updatable if WITH CHECK OPTION was
416  * specified.
417  */
418  check_option = false;
419 
420  foreach(cell, stmt->options)
421  {
422  DefElem *defel = (DefElem *) lfirst(cell);
423 
424  if (strcmp(defel->defname, "check_option") == 0)
425  check_option = true;
426  }
427 
428  /*
429  * If the check option is specified, look to see if the view is actually
430  * auto-updatable or not.
431  */
432  if (check_option)
433  {
434  const char *view_updatable_error =
435  view_query_is_auto_updatable(viewParse, true);
436 
437  if (view_updatable_error)
438  ereport(ERROR,
439  (errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
440  errmsg("WITH CHECK OPTION is supported only on automatically updatable views"),
441  errhint("%s", _(view_updatable_error))));
442  }
443 
444  /*
445  * If a list of column names was given, run through and insert these into
446  * the actual query tree. - thomas 2000-03-08
447  */
448  if (stmt->aliases != NIL)
449  {
450  ListCell *alist_item = list_head(stmt->aliases);
451  ListCell *targetList;
452 
453  foreach(targetList, viewParse->targetList)
454  {
455  TargetEntry *te = lfirst_node(TargetEntry, targetList);
456 
457  /* junk columns don't get aliases */
458  if (te->resjunk)
459  continue;
460  te->resname = pstrdup(strVal(lfirst(alist_item)));
461  alist_item = lnext(stmt->aliases, alist_item);
462  if (alist_item == NULL)
463  break; /* done assigning aliases */
464  }
465 
466  if (alist_item != NULL)
467  ereport(ERROR,
468  (errcode(ERRCODE_SYNTAX_ERROR),
469  errmsg("CREATE VIEW specifies more column "
470  "names than columns")));
471  }
472 
473  /* Unlogged views are not sensible. */
474  if (stmt->view->relpersistence == RELPERSISTENCE_UNLOGGED)
475  ereport(ERROR,
476  (errcode(ERRCODE_SYNTAX_ERROR),
477  errmsg("views cannot be unlogged because they do not have storage")));
478 
479  /*
480  * If the user didn't explicitly ask for a temporary view, check whether
481  * we need one implicitly. We allow TEMP to be inserted automatically as
482  * long as the CREATE command is consistent with that --- no explicit
483  * schema name.
484  */
485  view = copyObject(stmt->view); /* don't corrupt original command */
486  if (view->relpersistence == RELPERSISTENCE_PERMANENT
487  && isQueryUsingTempRelation(viewParse))
488  {
489  view->relpersistence = RELPERSISTENCE_TEMP;
490  ereport(NOTICE,
491  (errmsg("view \"%s\" will be a temporary view",
492  view->relname)));
493  }
494 
495  /*
496  * Create the view relation
497  *
498  * NOTE: if it already exists and replace is false, the xact will be
499  * aborted.
500  */
501  address = DefineVirtualRelation(view, viewParse->targetList,
502  stmt->replace, stmt->options, viewParse);
503 
504  return address;
505 }
#define _(x)
Definition: elog.c:90
#define elog(elevel,...)
Definition: elog.h:224
#define NOTICE
Definition: elog.h:35
#define stmt
Definition: indent_codes.h:59
List * lappend(List *list, void *datum)
Definition: list.c:339
DefElem * makeDefElem(char *name, Node *arg, int location)
Definition: makefuncs.c:564
char * pstrdup(const char *in)
Definition: mcxt.c:1695
#define IsA(nodeptr, _type_)
Definition: nodes.h:158
#define copyObject(obj)
Definition: nodes.h:224
@ CMD_SELECT
Definition: nodes.h:265
#define makeNode(_type_)
Definition: nodes.h:155
bool isQueryUsingTempRelation(Query *query)
@ CASCADED_CHECK_OPTION
Definition: parsenodes.h:3742
@ LOCAL_CHECK_OPTION
Definition: parsenodes.h:3741
Query * parse_analyze_fixedparams(RawStmt *parseTree, const char *sourceText, const Oid *paramTypes, int numParams, QueryEnvironment *queryEnv)
Definition: analyze.c:104
#define lfirst(lc)
Definition: pg_list.h:172
#define lfirst_node(type, lc)
Definition: pg_list.h:176
#define NIL
Definition: pg_list.h:68
static ListCell * list_head(const List *l)
Definition: pg_list.h:128
static ListCell * lnext(const List *l, const ListCell *c)
Definition: pg_list.h:343
const char * view_query_is_auto_updatable(Query *viewquery, bool check_cols)
char * defname
Definition: parsenodes.h:815
Definition: nodes.h:129
CmdType commandType
Definition: parsenodes.h:121
Node * utilityStmt
Definition: parsenodes.h:136
List * targetList
Definition: parsenodes.h:191
char * relname
Definition: primnodes.h:82
char relpersistence
Definition: primnodes.h:88
ParseLoc stmt_location
Definition: parsenodes.h:2026
ParseLoc stmt_len
Definition: parsenodes.h:2027
Node * stmt
Definition: parsenodes.h:2025
String * makeString(char *str)
Definition: value.c:63
#define strVal(v)
Definition: value.h:82
static ObjectAddress DefineVirtualRelation(RangeVar *relation, List *tlist, bool replace, List *options, Query *viewParse)
Definition: view.c:45

References _, CASCADED_CHECK_OPTION, CMD_SELECT, Query::commandType, copyObject, DefineVirtualRelation(), DefElem::defname, elog, ereport, errcode(), errhint(), errmsg(), ERROR, IsA, isQueryUsingTempRelation(), lappend(), lfirst, lfirst_node, list_head(), lnext(), LOCAL_CHECK_OPTION, makeDefElem(), makeNode, makeString(), NIL, NOTICE, parse_analyze_fixedparams(), pstrdup(), RangeVar::relname, RangeVar::relpersistence, RawStmt::stmt, stmt, RawStmt::stmt_len, RawStmt::stmt_location, strVal, Query::targetList, Query::utilityStmt, and view_query_is_auto_updatable().

Referenced by ProcessUtilitySlow().

◆ DefineViewRules()

static void DefineViewRules ( Oid  viewOid,
Query viewParse,
bool  replace 
)
static

Definition at line 332 of file view.c.

333 {
334  /*
335  * Set up the ON SELECT rule. Since the query has already been through
336  * parse analysis, we use DefineQueryRewrite() directly.
337  */
339  viewOid,
340  NULL,
341  CMD_SELECT,
342  true,
343  replace,
344  list_make1(viewParse));
345 
346  /*
347  * Someday: automatic ON INSERT, etc
348  */
349 }
#define list_make1(x1)
Definition: pg_list.h:212
ObjectAddress DefineQueryRewrite(const char *rulename, Oid event_relid, Node *event_qual, CmdType event_type, bool is_instead, bool replace, List *action)
#define ViewSelectRuleName

References CMD_SELECT, DefineQueryRewrite(), list_make1, pstrdup(), and ViewSelectRuleName.

Referenced by StoreViewQuery().

◆ DefineVirtualRelation()

static ObjectAddress DefineVirtualRelation ( RangeVar relation,
List tlist,
bool  replace,
List options,
Query viewParse 
)
static

Definition at line 45 of file view.c.

47 {
48  Oid viewOid;
49  LOCKMODE lockmode;
50  CreateStmt *createStmt = makeNode(CreateStmt);
51  List *attrList;
52  ListCell *t;
53 
54  /*
55  * create a list of ColumnDef nodes based on the names and types of the
56  * (non-junk) targetlist items from the view's SELECT list.
57  */
58  attrList = NIL;
59  foreach(t, tlist)
60  {
61  TargetEntry *tle = (TargetEntry *) lfirst(t);
62 
63  if (!tle->resjunk)
64  {
65  ColumnDef *def = makeColumnDef(tle->resname,
66  exprType((Node *) tle->expr),
67  exprTypmod((Node *) tle->expr),
68  exprCollation((Node *) tle->expr));
69 
70  /*
71  * It's possible that the column is of a collatable type but the
72  * collation could not be resolved, so double-check.
73  */
74  if (type_is_collatable(exprType((Node *) tle->expr)))
75  {
76  if (!OidIsValid(def->collOid))
77  ereport(ERROR,
78  (errcode(ERRCODE_INDETERMINATE_COLLATION),
79  errmsg("could not determine which collation to use for view column \"%s\"",
80  def->colname),
81  errhint("Use the COLLATE clause to set the collation explicitly.")));
82  }
83  else
84  Assert(!OidIsValid(def->collOid));
85 
86  attrList = lappend(attrList, def);
87  }
88  }
89 
90  /*
91  * Look up, check permissions on, and lock the creation namespace; also
92  * check for a preexisting view with the same name. This will also set
93  * relation->relpersistence to RELPERSISTENCE_TEMP if the selected
94  * namespace is temporary.
95  */
96  lockmode = replace ? AccessExclusiveLock : NoLock;
97  (void) RangeVarGetAndCheckCreationNamespace(relation, lockmode, &viewOid);
98 
99  if (OidIsValid(viewOid) && replace)
100  {
101  Relation rel;
103  List *atcmds = NIL;
104  AlterTableCmd *atcmd;
105  ObjectAddress address;
106 
107  /* Relation is already locked, but we must build a relcache entry. */
108  rel = relation_open(viewOid, NoLock);
109 
110  /* Make sure it *is* a view. */
111  if (rel->rd_rel->relkind != RELKIND_VIEW)
112  ereport(ERROR,
113  (errcode(ERRCODE_WRONG_OBJECT_TYPE),
114  errmsg("\"%s\" is not a view",
115  RelationGetRelationName(rel))));
116 
117  /* Also check it's not in use already */
118  CheckTableNotInUse(rel, "CREATE OR REPLACE VIEW");
119 
120  /*
121  * Due to the namespace visibility rules for temporary objects, we
122  * should only end up replacing a temporary view with another
123  * temporary view, and similarly for permanent views.
124  */
125  Assert(relation->relpersistence == rel->rd_rel->relpersistence);
126 
127  /*
128  * Create a tuple descriptor to compare against the existing view, and
129  * verify that the old column list is an initial prefix of the new
130  * column list.
131  */
132  descriptor = BuildDescForRelation(attrList);
134 
135  /*
136  * If new attributes have been added, we must add pg_attribute entries
137  * for them. It is convenient (although overkill) to use the ALTER
138  * TABLE ADD COLUMN infrastructure for this.
139  *
140  * Note that we must do this before updating the query for the view,
141  * since the rules system requires that the correct view columns be in
142  * place when defining the new rules.
143  *
144  * Also note that ALTER TABLE doesn't run parse transformation on
145  * AT_AddColumnToView commands. The ColumnDef we supply must be ready
146  * to execute as-is.
147  */
148  if (list_length(attrList) > rel->rd_att->natts)
149  {
150  ListCell *c;
151  int skip = rel->rd_att->natts;
152 
153  foreach(c, attrList)
154  {
155  if (skip > 0)
156  {
157  skip--;
158  continue;
159  }
160  atcmd = makeNode(AlterTableCmd);
161  atcmd->subtype = AT_AddColumnToView;
162  atcmd->def = (Node *) lfirst(c);
163  atcmds = lappend(atcmds, atcmd);
164  }
165 
166  /* EventTriggerAlterTableStart called by ProcessUtilitySlow */
167  AlterTableInternal(viewOid, atcmds, true);
168 
169  /* Make the new view columns visible */
171  }
172 
173  /*
174  * Update the query for the view.
175  *
176  * Note that we must do this before updating the view options, because
177  * the new options may not be compatible with the old view query (for
178  * example if we attempt to add the WITH CHECK OPTION, we require that
179  * the new view be automatically updatable, but the old view may not
180  * have been).
181  */
182  StoreViewQuery(viewOid, viewParse, replace);
183 
184  /* Make the new view query visible */
186 
187  /*
188  * Update the view's options.
189  *
190  * The new options list replaces the existing options list, even if
191  * it's empty.
192  */
193  atcmd = makeNode(AlterTableCmd);
194  atcmd->subtype = AT_ReplaceRelOptions;
195  atcmd->def = (Node *) options;
196  atcmds = list_make1(atcmd);
197 
198  /* EventTriggerAlterTableStart called by ProcessUtilitySlow */
199  AlterTableInternal(viewOid, atcmds, true);
200 
201  /*
202  * There is very little to do here to update the view's dependencies.
203  * Most view-level dependency relationships, such as those on the
204  * owner, schema, and associated composite type, aren't changing.
205  * Because we don't allow changing type or collation of an existing
206  * view column, those dependencies of the existing columns don't
207  * change either, while the AT_AddColumnToView machinery took care of
208  * adding such dependencies for new view columns. The dependencies of
209  * the view's query could have changed arbitrarily, but that was dealt
210  * with inside StoreViewQuery. What remains is only to check that
211  * view replacement is allowed when we're creating an extension.
212  */
213  ObjectAddressSet(address, RelationRelationId, viewOid);
214 
215  recordDependencyOnCurrentExtension(&address, true);
216 
217  /*
218  * Seems okay, so return the OID of the pre-existing view.
219  */
220  relation_close(rel, NoLock); /* keep the lock! */
221 
222  return address;
223  }
224  else
225  {
226  ObjectAddress address;
227 
228  /*
229  * Set the parameters for keys/inheritance etc. All of these are
230  * uninteresting for views...
231  */
232  createStmt->relation = relation;
233  createStmt->tableElts = attrList;
234  createStmt->inhRelations = NIL;
235  createStmt->constraints = NIL;
236  createStmt->options = options;
237  createStmt->oncommit = ONCOMMIT_NOOP;
238  createStmt->tablespacename = NULL;
239  createStmt->if_not_exists = false;
240 
241  /*
242  * Create the relation (this will error out if there's an existing
243  * view, so we don't need more code to complain if "replace" is
244  * false).
245  */
246  address = DefineRelation(createStmt, RELKIND_VIEW, InvalidOid, NULL,
247  NULL);
248  Assert(address.objectId != InvalidOid);
249 
250  /* Make the new view relation visible */
252 
253  /* Store the query for the view */
254  StoreViewQuery(address.objectId, viewParse, replace);
255 
256  return address;
257  }
258 }
#define Assert(condition)
Definition: c.h:858
#define OidIsValid(objectId)
Definition: c.h:775
int LOCKMODE
Definition: lockdefs.h:26
#define NoLock
Definition: lockdefs.h:34
#define AccessExclusiveLock
Definition: lockdefs.h:43
bool type_is_collatable(Oid typid)
Definition: lsyscache.c:3081
ColumnDef * makeColumnDef(const char *colname, Oid typeOid, int32 typmod, Oid collOid)
Definition: makefuncs.c:492
Oid RangeVarGetAndCheckCreationNamespace(RangeVar *relation, LOCKMODE lockmode, Oid *existing_relation_id)
Definition: namespace.c:724
Oid exprType(const Node *expr)
Definition: nodeFuncs.c:42
int32 exprTypmod(const Node *expr)
Definition: nodeFuncs.c:298
Oid exprCollation(const Node *expr)
Definition: nodeFuncs.c:816
#define ObjectAddressSet(addr, class_id, object_id)
Definition: objectaddress.h:40
@ AT_ReplaceRelOptions
Definition: parsenodes.h:2390
@ AT_AddColumnToView
Definition: parsenodes.h:2354
static const struct exclude_list_item skip[]
Definition: pg_checksums.c:108
void recordDependencyOnCurrentExtension(const ObjectAddress *object, bool isReplace)
Definition: pg_depend.c:194
static int list_length(const List *l)
Definition: pg_list.h:152
static char ** options
#define InvalidOid
Definition: postgres_ext.h:36
unsigned int Oid
Definition: postgres_ext.h:31
char * c
@ ONCOMMIT_NOOP
Definition: primnodes.h:57
#define RelationGetRelationName(relation)
Definition: rel.h:539
void relation_close(Relation relation, LOCKMODE lockmode)
Definition: relation.c:205
Relation relation_open(Oid relationId, LOCKMODE lockmode)
Definition: relation.c:47
AlterTableType subtype
Definition: parsenodes.h:2434
char * colname
Definition: parsenodes.h:726
Oid collOid
Definition: parsenodes.h:742
List * tableElts
Definition: parsenodes.h:2657
OnCommitAction oncommit
Definition: parsenodes.h:2665
List * options
Definition: parsenodes.h:2664
bool if_not_exists
Definition: parsenodes.h:2668
List * inhRelations
Definition: parsenodes.h:2658
RangeVar * relation
Definition: parsenodes.h:2656
char * tablespacename
Definition: parsenodes.h:2666
List * constraints
Definition: parsenodes.h:2663
Definition: pg_list.h:54
TupleDesc rd_att
Definition: rel.h:112
Form_pg_class rd_rel
Definition: rel.h:111
Expr * expr
Definition: primnodes.h:2192
TupleDesc BuildDescForRelation(const List *columns)
Definition: tablecmds.c:1279
void CheckTableNotInUse(Relation rel, const char *stmt)
Definition: tablecmds.c:4251
ObjectAddress DefineRelation(CreateStmt *stmt, char relkind, Oid ownerId, ObjectAddress *typaddress, const char *queryString)
Definition: tablecmds.c:686
void AlterTableInternal(Oid relid, List *cmds, bool recurse)
Definition: tablecmds.c:4398
static void checkViewColumns(TupleDesc newdesc, TupleDesc olddesc)
Definition: view.c:267
void StoreViewQuery(Oid viewOid, Query *viewParse, bool replace)
Definition: view.c:511
void CommandCounterIncrement(void)
Definition: xact.c:1097

References AccessExclusiveLock, AlterTableInternal(), Assert, AT_AddColumnToView, AT_ReplaceRelOptions, BuildDescForRelation(), CheckTableNotInUse(), checkViewColumns(), ColumnDef::collOid, ColumnDef::colname, CommandCounterIncrement(), CreateStmt::constraints, AlterTableCmd::def, DefineRelation(), ereport, errcode(), errhint(), errmsg(), ERROR, TargetEntry::expr, exprCollation(), exprType(), exprTypmod(), CreateStmt::if_not_exists, CreateStmt::inhRelations, InvalidOid, lappend(), lfirst, list_length(), list_make1, makeColumnDef(), makeNode, TupleDescData::natts, NIL, NoLock, ObjectAddressSet, ObjectAddress::objectId, OidIsValid, CreateStmt::oncommit, ONCOMMIT_NOOP, options, CreateStmt::options, RangeVarGetAndCheckCreationNamespace(), RelationData::rd_att, RelationData::rd_rel, recordDependencyOnCurrentExtension(), CreateStmt::relation, relation_close(), relation_open(), RelationGetRelationName, RangeVar::relpersistence, skip, StoreViewQuery(), AlterTableCmd::subtype, CreateStmt::tableElts, CreateStmt::tablespacename, and type_is_collatable().

Referenced by DefineView().

◆ StoreViewQuery()

void StoreViewQuery ( Oid  viewOid,
Query viewParse,
bool  replace 
)

Definition at line 511 of file view.c.

512 {
513  /*
514  * Now create the rules associated with the view.
515  */
516  DefineViewRules(viewOid, viewParse, replace);
517 }
static void DefineViewRules(Oid viewOid, Query *viewParse, bool replace)
Definition: view.c:332

References DefineViewRules().

Referenced by create_ctas_internal(), and DefineVirtualRelation().