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2ff501590b
Also performed an initial run through of upgrading our Copyright date to extend to 2005 ... first run here was very simple ... change everything where: grep 1996-2004 && the word 'Copyright' ... scanned through the generated list with 'less' first, and after, to make sure that I only picked up the right entries ...
74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
/*-------------------------------------------------------------------------
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*
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* lockcmds.c
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* Lock command support code
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*
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* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/commands/lockcmds.c,v 1.12 2004/12/31 21:59:41 pgsql Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#include "postgres.h"
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#include "access/heapam.h"
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#include "catalog/namespace.h"
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#include "commands/lockcmds.h"
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#include "miscadmin.h"
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#include "utils/acl.h"
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#include "utils/lsyscache.h"
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/*
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* LOCK TABLE
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*/
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void
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LockTableCommand(LockStmt *lockstmt)
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{
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ListCell *p;
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/*
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* Iterate over the list and open, lock, and close the relations one
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* at a time
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*/
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foreach(p, lockstmt->relations)
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{
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RangeVar *relation = lfirst(p);
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Oid reloid;
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AclResult aclresult;
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Relation rel;
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/*
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* We don't want to open the relation until we've checked
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* privilege. So, manually get the relation OID.
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*/
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reloid = RangeVarGetRelid(relation, false);
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if (lockstmt->mode == AccessShareLock)
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aclresult = pg_class_aclcheck(reloid, GetUserId(),
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ACL_SELECT);
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else
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aclresult = pg_class_aclcheck(reloid, GetUserId(),
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ACL_UPDATE | ACL_DELETE);
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if (aclresult != ACLCHECK_OK)
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aclcheck_error(aclresult, ACL_KIND_CLASS,
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get_rel_name(reloid));
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rel = conditional_relation_open(reloid, lockstmt->mode, lockstmt->nowait);
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/* Currently, we only allow plain tables to be locked */
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if (rel->rd_rel->relkind != RELKIND_RELATION)
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ereport(ERROR,
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(errcode(ERRCODE_WRONG_OBJECT_TYPE),
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errmsg("\"%s\" is not a table",
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relation->relname)));
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relation_close(rel, NoLock); /* close rel, keep lock */
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}
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}
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