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rowsecurity.h
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1 /* -------------------------------------------------------------------------
2  *
3  * rowsecurity.h
4  *
5  * prototypes for rewrite/rowsecurity.c and the structures for managing
6  * the row security policies for relations in relcache.
7  *
8  * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
9  * Portions Copyright (c) 1994, Regents of the University of California
10  *
11  * -------------------------------------------------------------------------
12  */
13 #ifndef ROWSECURITY_H
14 #define ROWSECURITY_H
15 
16 #include "nodes/parsenodes.h"
17 #include "utils/array.h"
18 #include "utils/relcache.h"
19 
20 typedef struct RowSecurityPolicy
21 {
22  char *policy_name; /* Name of the policy */
23  char polcmd; /* Type of command policy is for */
24  ArrayType *roles; /* Array of roles policy is for */
25  bool permissive; /* restrictive or permissive policy */
26  Expr *qual; /* Expression to filter rows */
27  Expr *with_check_qual; /* Expression to limit rows allowed */
28  bool hassublinks; /* If either expression has sublinks */
30 
31 typedef struct RowSecurityDesc
32 {
33  MemoryContext rscxt; /* row security memory context */
34  List *policies; /* list of row security policies */
36 
37 typedef List *(*row_security_policy_hook_type) (CmdType cmdtype,
38  Relation relation);
39 
41 
43 
44 extern void get_row_security_policies(Query *root,
45  RangeTblEntry *rte, int rt_index,
46  List **securityQuals, List **withCheckOptions,
47  bool *hasRowSecurity, bool *hasSubLinks);
48 
49 #endif /* ROWSECURITY_H */
List *(* row_security_policy_hook_type)(CmdType cmdtype, Relation relation)
Definition: rowsecurity.h:37
#define PGDLLIMPORT
Definition: c.h:1063
PGDLLIMPORT row_security_policy_hook_type row_security_policy_hook_restrictive
Definition: rowsecurity.c:96
Expr * with_check_qual
Definition: rowsecurity.h:27
ArrayType * roles
Definition: rowsecurity.h:24
MemoryContext rscxt
Definition: rowsecurity.h:33
void get_row_security_policies(Query *root, RangeTblEntry *rte, int rt_index, List **securityQuals, List **withCheckOptions, bool *hasRowSecurity, bool *hasSubLinks)
Definition: rowsecurity.c:107
PGDLLIMPORT row_security_policy_hook_type row_security_policy_hook_permissive
Definition: rowsecurity.c:95
Definition: pg_list.h:45
struct RowSecurityPolicy RowSecurityPolicy
struct RowSecurityDesc RowSecurityDesc
CmdType
Definition: nodes.h:649