diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 476d55dd240..baa6a97c7e2 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -2566,44 +2566,34 @@ typedef enum ConstrType /* types of constraints */ typedef struct Constraint { - pg_node_attr(custom_read_write) - NodeTag type; ConstrType contype; /* see above */ - - /* Fields used for most/all constraint types: */ char *conname; /* Constraint name, or NULL if unnamed */ bool deferrable; /* DEFERRABLE? */ bool initdeferred; /* INITIALLY DEFERRED? */ - int location; /* token location, or -1 if unknown */ - - /* Fields used for constraints with expressions (CHECK and DEFAULT): */ + bool skip_validation; /* skip validation of existing rows? */ + bool initially_valid; /* mark the new constraint as valid? */ bool is_no_inherit; /* is constraint non-inheritable? */ - Node *raw_expr; /* expr, as untransformed parse tree */ - char *cooked_expr; /* expr, as nodeToString representation */ + Node *raw_expr; /* CHECK or DEFAULT expression, as + * untransformed parse tree */ + char *cooked_expr; /* CHECK or DEFAULT expression, as + * nodeToString representation */ char generated_when; /* ALWAYS or BY DEFAULT */ - - /* Fields used for "raw" NOT NULL constraints: */ - int inhcount; /* initial inheritance count to apply */ - - /* Fields used for unique constraints (UNIQUE and PRIMARY KEY): */ + int inhcount; /* initial inheritance count to apply, for + * "raw" NOT NULL constraints */ bool nulls_not_distinct; /* null treatment for UNIQUE constraints */ List *keys; /* String nodes naming referenced key - * column(s); also used for NOT NULL */ + * column(s); for UNIQUE/PK/NOT NULL */ bool without_overlaps; /* WITHOUT OVERLAPS specified */ List *including; /* String nodes naming referenced nonkey - * column(s) */ - - /* Fields used for EXCLUSION constraints: */ - List *exclusions; /* list of (IndexElem, operator name) pairs */ - - /* Fields used for index constraints (UNIQUE, PRIMARY KEY, EXCLUSION): */ + * column(s); for UNIQUE/PK */ + List *exclusions; /* list of (IndexElem, operator name) pairs; + * for exclusion constraints */ List *options; /* options from WITH clause */ char *indexname; /* existing index to use; otherwise NULL */ char *indexspace; /* index tablespace; NULL for default */ bool reset_default_tblspc; /* reset default_tablespace prior to * creating the index */ - /* These could be, but currently are not, used for UNIQUE/PKEY: */ char *access_method; /* index access method; NULL for default */ Node *where_clause; /* partial index predicate */ @@ -2619,9 +2609,7 @@ typedef struct Constraint Oid old_pktable_oid; /* pg_constraint.confrelid of my former * self */ - /* Fields used for constraints that allow a NOT VALID specification */ - bool skip_validation; /* skip validation of existing rows? */ - bool initially_valid; /* mark the new constraint as valid? */ + int location; /* token location, or -1 if unknown */ } Constraint; /* ---------------------- |