diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 956f99830ca..a44d2178e1c 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -555,6 +555,39 @@ typedef struct RangeFunction } RangeFunction; /* + * RangeTableFunc - raw form of "table functions" such as XMLTABLE + */ +typedef struct RangeTableFunc +{ + NodeTag type; + bool lateral; /* does it have LATERAL prefix? */ + Node *docexpr; /* document expression */ + Node *rowexpr; /* row generator expression */ + List *namespaces; /* list of namespaces as ResTarget */ + List *columns; /* list of RangeTableFuncCol */ + Alias *alias; /* table alias & optional column aliases */ + int location; /* token location, or -1 if unknown */ +} RangeTableFunc; + +/* + * RangeTableFuncCol - one column in a RangeTableFunc->columns + * + * If for_ordinality is true (FOR ORDINALITY), then the column is an int4 + * column and the rest of the fields are ignored. + */ +typedef struct RangeTableFuncCol +{ + NodeTag type; + char *colname; /* name of generated column */ + TypeName *typeName; /* type of generated column */ + bool for_ordinality; /* does it have FOR ORDINALITY? */ + bool is_not_null; /* does it have NOT NULL? */ + Node *colexpr; /* column filter expression */ + Node *coldefexpr; /* column default value expression */ + int location; /* token location, or -1 if unknown */ +} RangeTableFuncCol; + +/* * RangeTableSample - TABLESAMPLE appearing in a raw FROM clause * * This node, appearing only in raw parse trees, represents @@ -871,6 +904,7 @@ typedef enum RTEKind RTE_SUBQUERY, /* subquery in FROM */ RTE_JOIN, /* join */ RTE_FUNCTION, /* function in FROM */ + RTE_TABLEFUNC, /* TableFunc(.., column list) */ RTE_VALUES, /* VALUES (<exprlist>), (<exprlist>), ... */ RTE_CTE /* common table expr (WITH list element) */ } RTEKind; @@ -932,6 +966,11 @@ typedef struct RangeTblEntry bool funcordinality; /* is this called WITH ORDINALITY? */ /* + * Fields valid for a TableFunc RTE (else NULL): + */ + TableFunc *tablefunc; + + /* * Fields valid for a values RTE (else NIL): */ List *values_lists; /* list of expression lists */ |