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/* ------------------------------------------------------------------------- * * rowsecurity.h * * prototypes for rewrite/rowsecurity.c and the structures for managing * the row security policies for relations in relcache. * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * ------------------------------------------------------------------------- */ #ifndef ROWSECURITY_H #define ROWSECURITY_H #include "nodes/parsenodes.h" #include "utils/array.h" #include "utils/relcache.h" typedef struct RowSecurityPolicy { char *policy_name; /* Name of the policy */ char polcmd; /* Type of command policy is for */ ArrayType *roles; /* Array of roles policy is for */ Expr *qual; /* Expression to filter rows */ Expr *with_check_qual; /* Expression to limit rows allowed */ bool hassublinks; /* If either expression has sublinks */ } RowSecurityPolicy; typedef struct RowSecurityDesc { MemoryContext rscxt; /* row security memory context */ List *policies; /* list of row security policies */ } RowSecurityDesc; typedef List *(*row_security_policy_hook_type) (CmdType cmdtype, Relation relation); extern PGDLLIMPORT row_security_policy_hook_type row_security_policy_hook_permissive; extern PGDLLIMPORT row_security_policy_hook_type row_security_policy_hook_restrictive; extern void get_row_security_policies(Query *root, RangeTblEntry *rte, int rt_index, List **securityQuals, List **withCheckOptions, bool *hasRowSecurity, bool *hasSubLinks); #endif /* ROWSECURITY_H */