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Move view reloptions into their own varlena struct

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Per discussion after a gripe from me in
http://www.postgresql.org/message-id/20140611194633.GH18688@eldon.alvh.no-ip.org

Jaime Casanova
This commit is contained in:
Alvaro Herrera
2014-07-14 17:24:40 -04:00
parent 0ffc201a51
commit 346d7be184
5 changed files with 76 additions and 29 deletions
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52
src/include/utils/rel.h
View File

@@ -216,8 +216,6 @@ typedef struct StdRdOptions
int32 vl_len_; /* varlena header (do not touch directly!) */
int fillfactor; /* page fill factor in percent (0..100) */
AutoVacOpts autovacuum; /* autovacuum-related options */
bool security_barrier; /* for views */
int check_option_offset; /* for views */
bool user_catalog_table; /* use as an additional catalog
* relation */
} StdRdOptions;
@@ -247,55 +245,69 @@ typedef struct StdRdOptions
#define RelationGetTargetPageFreeSpace(relation, defaultff) \
(BLCKSZ * (100 - RelationGetFillFactor(relation, defaultff)) / 100)
/*
* RelationIsUsedAsCatalogTable
* Returns whether the relation should be treated as a catalog table
* from the pov of logical decoding. Note multiple eval or argument!
*/
#define RelationIsUsedAsCatalogTable(relation) \
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->user_catalog_table : false)
/*
* ViewOptions
* Contents of rd_options for views
*/
typedef struct ViewOptions
{
int32 vl_len_; /* varlena header (do not touch directly!) */
bool security_barrier;
int check_option_offset;
} ViewOptions;
/*
* RelationIsSecurityView
* Returns whether the relation is security view, or not
* Returns whether the relation is security view, or not. Note multiple
* eval of argument!
*/
#define RelationIsSecurityView(relation) \
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->security_barrier : false)
((ViewOptions *) (relation)->rd_options)->security_barrier : false)
/*
* RelationHasCheckOption
* Returns true if the relation is a view defined with either the local
* or the cascaded check option.
* or the cascaded check option. Note multiple eval of argument!
*/
#define RelationHasCheckOption(relation) \
((relation)->rd_options && \
((StdRdOptions *) (relation)->rd_options)->check_option_offset != 0)
((ViewOptions *) (relation)->rd_options)->check_option_offset != 0)
/*
* RelationHasLocalCheckOption
* Returns true if the relation is a view defined with the local check
* option.
* option. Note multiple eval of argument!
*/
#define RelationHasLocalCheckOption(relation) \
((relation)->rd_options && \
((StdRdOptions *) (relation)->rd_options)->check_option_offset != 0 ? \
((ViewOptions *) (relation)->rd_options)->check_option_offset != 0 ? \
strcmp((char *) (relation)->rd_options + \
((StdRdOptions *) (relation)->rd_options)->check_option_offset, \
((ViewOptions *) (relation)->rd_options)->check_option_offset, \
"local") == 0 : false)
/*
* RelationHasCascadedCheckOption
* Returns true if the relation is a view defined with the cascaded check
* option.
* option. Note multiple eval of argument!
*/
#define RelationHasCascadedCheckOption(relation) \
((relation)->rd_options && \
((StdRdOptions *) (relation)->rd_options)->check_option_offset != 0 ? \
((ViewOptions *) (relation)->rd_options)->check_option_offset != 0 ? \
strcmp((char *) (relation)->rd_options + \
((StdRdOptions *) (relation)->rd_options)->check_option_offset, \
((ViewOptions *) (relation)->rd_options)->check_option_offset, \
"cascaded") == 0 : false)
/*
* RelationIsUsedAsCatalogTable
* Returns whether the relation should be treated as a catalog table
* from the pov of logical decoding.
*/
#define RelationIsUsedAsCatalogTable(relation) \
((relation)->rd_options ? \
((StdRdOptions *) (relation)->rd_options)->user_catalog_table : false)
/*
* RelationIsValid