diff options
Diffstat (limited to 'src/include/access/gin.h')
-rw-r--r-- | src/include/access/gin.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/include/access/gin.h b/src/include/access/gin.h index 34f4405bf69..f1894274fb3 100644 --- a/src/include/access/gin.h +++ b/src/include/access/gin.h @@ -47,20 +47,22 @@ typedef struct GinStatsData int32 ginVersion; } GinStatsData; -/* ginlogic.c */ -enum GinLogicValueEnum -{ - GIN_FALSE = 0, /* item is not present / does not match */ - GIN_TRUE = 1, /* item is present / matches */ - GIN_MAYBE = 2 /* don't know if item is present / don't know if - * matches */ -}; +/* + * A ternary value used by tri-consistent functions. + * + * For convenience, this is compatible with booleans. A boolean can be + * safely cast to a GinTernaryValue. + */ +typedef char GinTernaryValue; -typedef char GinLogicValue; +#define GIN_FALSE 0 /* item is not present / does not match */ +#define GIN_TRUE 1 /* item is present / matches */ +#define GIN_MAYBE 2 /* don't know if item is present / don't know if + * matches */ -#define DatumGetGinLogicValue(X) ((GinLogicValue)(X)) -#define GinLogicValueGetDatum(X) ((Datum)(X)) -#define PG_RETURN_GIN_LOGIC_VALUE(x) return GinLogicValueGetDatum(x) +#define DatumGetGinTernaryValue(X) ((GinTernaryValue)(X)) +#define GinTernaryValueGetDatum(X) ((Datum)(X)) +#define PG_RETURN_GIN_TERNARY_VALUE(x) return GinTernaryValueGetDatum(x) /* GUC parameter */ extern PGDLLIMPORT int GinFuzzySearchLimit; |