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lockcmds.h File Reference

#include "nodes/parsenodes.h"

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Functions

void LockTableCommand (LockStmt *lockstmt)

Function Documentation

◆ LockTableCommand()

void LockTableCommand ( LockStmt * lockstmt )

Definition at line 41 of file lockcmds.c.

42{

43 ListCell *p;

44

45 /*

46 * Iterate over the list and process the named relations one at a time

47 */

48 foreach(p, lockstmt->relations)

49 {

50 RangeVar *rv = (RangeVar *) lfirst(p);

51 bool recurse = rv->inh;

52 Oid reloid;

53

54 reloid = RangeVarGetRelidExtended(rv, lockstmt->mode,

55 lockstmt->nowait ? RVR_NOWAIT : 0,

56 RangeVarCallbackForLockTable,

57 &lockstmt->mode);

58

59 if (get_rel_relkind(reloid) == RELKIND_VIEW)

60 LockViewRecurse(reloid, lockstmt->mode, lockstmt->nowait, NIL);

61 else if (recurse)

62 LockTableRecurse(reloid, lockstmt->mode, lockstmt->nowait);

63 }

64}

RangeVarCallbackForLockTable

static void RangeVarCallbackForLockTable(const RangeVar *rv, Oid relid, Oid oldrelid, void *arg)

Definition: lockcmds.c:71

LockViewRecurse

static void LockViewRecurse(Oid reloid, LOCKMODE lockmode, bool nowait, List *ancestor_views)

Definition: lockcmds.c:245

LockTableRecurse

static void LockTableRecurse(Oid reloid, LOCKMODE lockmode, bool nowait)

Definition: lockcmds.c:117

get_rel_relkind

char get_rel_relkind(Oid relid)

Definition: lsyscache.c:2170

RangeVarGetRelidExtended

Oid RangeVarGetRelidExtended(const RangeVar *relation, LOCKMODE lockmode, uint32 flags, RangeVarGetRelidCallback callback, void *callback_arg)

Definition: namespace.c:440

RVR_NOWAIT

@ RVR_NOWAIT

Definition: namespace.h:91

lfirst

#define lfirst(lc)

Definition: pg_list.h:172

NIL

#define NIL

Definition: pg_list.h:68

Oid

unsigned int Oid

Definition: postgres_ext.h:32

LockStmt::nowait

bool nowait

Definition: parsenodes.h:4084

LockStmt::relations

List * relations

Definition: parsenodes.h:4082

LockStmt::mode

int mode

Definition: parsenodes.h:4083

RangeVar

Definition: primnodes.h:73

RangeVar::inh

bool inh

Definition: primnodes.h:86

ListCell

Definition: pg_list.h:46

References get_rel_relkind(), RangeVar::inh, lfirst, LockTableRecurse(), LockViewRecurse(), LockStmt::mode, NIL, LockStmt::nowait, RangeVarCallbackForLockTable(), RangeVarGetRelidExtended(), LockStmt::relations, and RVR_NOWAIT.

Referenced by standard_ProcessUtility().