diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 1d96169d34d..5f2a4a75dab 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -809,16 +809,24 @@ typedef struct PartitionBoundSpec } PartitionBoundSpec; /* - * PartitionRangeDatum - can be either a value or UNBOUNDED + * PartitionRangeDatum - one of the values in a range partition bound * - * "value" is an A_Const in raw grammar output, a Const after analysis + * This can be MINVALUE, MAXVALUE or a specific bounded value. */ +typedef enum PartitionRangeDatumKind +{ + PARTITION_RANGE_DATUM_MINVALUE = -1, /* less than any other value */ + PARTITION_RANGE_DATUM_VALUE = 0, /* a specific (bounded) value */ + PARTITION_RANGE_DATUM_MAXVALUE = 1 /* greater than any other value */ +} PartitionRangeDatumKind; + typedef struct PartitionRangeDatum { NodeTag type; - bool infinite; /* true if UNBOUNDED */ - Node *value; /* null if UNBOUNDED */ + PartitionRangeDatumKind kind; + Node *value; /* Const (or A_Const in raw tree), if kind is + * PARTITION_RANGE_DATUM_VALUE, else NULL */ int location; /* token location, or -1 if unknown */ } PartitionRangeDatum; |