diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 265 |
1 files changed, 1 insertions, 264 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index 51505eee85d..439e4b4a9db 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -73,14 +73,8 @@ typedef struct RangeVar int location; /* token location, or -1 if unknown */ } RangeVar; -typedef enum TableFuncType -{ - TFT_XMLTABLE, - TFT_JSON_TABLE -} TableFuncType; - /* - * TableFunc - node for a table function, such as XMLTABLE or JSON_TABLE. + * TableFunc - node for a table function, such as XMLTABLE. * * Entries in the ns_names list are either String nodes containing * literal namespace names, or NULL pointers to represent DEFAULT. @@ -88,7 +82,6 @@ typedef enum TableFuncType typedef struct TableFunc { NodeTag type; - TableFuncType functype; /* XMLTABLE or JSON_TABLE */ List *ns_uris; /* list of namespace URI expressions */ List *ns_names; /* list of namespace names or NULL */ Node *docexpr; /* input document expression */ @@ -99,9 +92,7 @@ typedef struct TableFunc List *colcollations; /* OID list of column collation OIDs */ List *colexprs; /* list of column filter expressions */ List *coldefexprs; /* list of column default expressions */ - List *colvalexprs; /* list of column value expressions */ Bitmapset *notnulls; /* nullability flag for each output column */ - Node *plan; /* JSON_TABLE plan */ int ordinalitycol; /* counts from 0; -1 if none specified */ int location; /* token location, or -1 if unknown */ } TableFunc; @@ -1242,260 +1233,6 @@ typedef struct XmlExpr int location; /* token location, or -1 if unknown */ } XmlExpr; -/* - * JsonExprOp - - * enumeration of JSON functions using JSON path - */ -typedef enum JsonExprOp -{ - JSON_VALUE_OP, /* JSON_VALUE() */ - JSON_QUERY_OP, /* JSON_QUERY() */ - JSON_EXISTS_OP, /* JSON_EXISTS() */ - JSON_TABLE_OP /* JSON_TABLE() */ -} JsonExprOp; - -/* - * JsonEncoding - - * representation of JSON ENCODING clause - */ -typedef enum JsonEncoding -{ - JS_ENC_DEFAULT, /* unspecified */ - JS_ENC_UTF8, - JS_ENC_UTF16, - JS_ENC_UTF32, -} JsonEncoding; - -/* - * JsonFormatType - - * enumeration of JSON formats used in JSON FORMAT clause - */ -typedef enum JsonFormatType -{ - JS_FORMAT_DEFAULT, /* unspecified */ - JS_FORMAT_JSON, /* FORMAT JSON [ENCODING ...] */ - JS_FORMAT_JSONB /* implicit internal format for RETURNING - * jsonb */ -} JsonFormatType; - -/* - * JsonBehaviorType - - * enumeration of behavior types used in JSON ON ... BEHAVIOR clause - * - * If enum members are reordered, get_json_behavior() from ruleutils.c - * must be updated accordingly. - */ -typedef enum JsonBehaviorType -{ - JSON_BEHAVIOR_NULL = 0, - JSON_BEHAVIOR_ERROR, - JSON_BEHAVIOR_EMPTY, - JSON_BEHAVIOR_TRUE, - JSON_BEHAVIOR_FALSE, - JSON_BEHAVIOR_UNKNOWN, - JSON_BEHAVIOR_EMPTY_ARRAY, - JSON_BEHAVIOR_EMPTY_OBJECT, - JSON_BEHAVIOR_DEFAULT -} JsonBehaviorType; - -/* - * JsonWrapper - - * representation of WRAPPER clause for JSON_QUERY() - */ -typedef enum JsonWrapper -{ - JSW_NONE, - JSW_CONDITIONAL, - JSW_UNCONDITIONAL, -} JsonWrapper; - -/* - * JsonFormat - - * representation of JSON FORMAT clause - */ -typedef struct JsonFormat -{ - NodeTag type; - JsonFormatType format_type; /* format type */ - JsonEncoding encoding; /* JSON encoding */ - int location; /* token location, or -1 if unknown */ -} JsonFormat; - -/* - * JsonReturning - - * transformed representation of JSON RETURNING clause - */ -typedef struct JsonReturning -{ - NodeTag type; - JsonFormat *format; /* output JSON format */ - Oid typid; /* target type Oid */ - int32 typmod; /* target type modifier */ -} JsonReturning; - -/* - * JsonValueExpr - - * representation of JSON value expression (expr [FORMAT json_format]) - */ -typedef struct JsonValueExpr -{ - NodeTag type; - Expr *raw_expr; /* raw expression */ - Expr *formatted_expr; /* formatted expression or NULL */ - JsonFormat *format; /* FORMAT clause, if specified */ -} JsonValueExpr; - -typedef enum JsonConstructorType -{ - JSCTOR_JSON_OBJECT = 1, - JSCTOR_JSON_ARRAY = 2, - JSCTOR_JSON_OBJECTAGG = 3, - JSCTOR_JSON_ARRAYAGG = 4, - JSCTOR_JSON_SCALAR = 5, - JSCTOR_JSON_SERIALIZE = 6, - JSCTOR_JSON_PARSE = 7 -} JsonConstructorType; - -/* - * JsonConstructorExpr - - * wrapper over FuncExpr/Aggref/WindowFunc for SQL/JSON constructors - */ -typedef struct JsonConstructorExpr -{ - Expr xpr; - JsonConstructorType type; /* constructor type */ - List *args; - Expr *func; /* underlying json[b]_xxx() function call */ - Expr *coercion; /* coercion to RETURNING type */ - JsonReturning *returning; /* RETURNING clause */ - bool absent_on_null; /* ABSENT ON NULL? */ - bool unique; /* WITH UNIQUE KEYS? (JSON_OBJECT[AGG] only) */ - int location; -} JsonConstructorExpr; - -/* - * JsonValueType - - * representation of JSON item type in IS JSON predicate - */ -typedef enum JsonValueType -{ - JS_TYPE_ANY, /* IS JSON [VALUE] */ - JS_TYPE_OBJECT, /* IS JSON OBJECT */ - JS_TYPE_ARRAY, /* IS JSON ARRAY */ - JS_TYPE_SCALAR /* IS JSON SCALAR */ -} JsonValueType; - -/* - * JsonIsPredicate - - * representation of IS JSON predicate - */ -typedef struct JsonIsPredicate -{ - NodeTag type; - Node *expr; /* subject expression */ - JsonFormat *format; /* FORMAT clause, if specified */ - JsonValueType item_type; /* JSON item type */ - bool unique_keys; /* check key uniqueness? */ - int location; /* token location, or -1 if unknown */ -} JsonIsPredicate; - -/* - * JsonBehavior - - * representation of JSON ON ... BEHAVIOR clause - */ -typedef struct JsonBehavior -{ - NodeTag type; - JsonBehaviorType btype; /* behavior type */ - Node *default_expr; /* default expression, if any */ -} JsonBehavior; - -/* - * JsonCoercion - - * coercion from SQL/JSON item types to SQL types - */ -typedef struct JsonCoercion -{ - NodeTag type; - Node *expr; /* resulting expression coerced to target type */ - bool via_populate; /* coerce result using json_populate_type()? */ - bool via_io; /* coerce result using type input function? */ - Oid collation; /* collation for coercion via I/O or populate */ -} JsonCoercion; - -/* - * JsonItemCoercions - - * expressions for coercion from SQL/JSON item types directly to the - * output SQL type - */ -typedef struct JsonItemCoercions -{ - NodeTag type; - JsonCoercion *null; - JsonCoercion *string; - JsonCoercion *numeric; - JsonCoercion *boolean; - JsonCoercion *date; - JsonCoercion *time; - JsonCoercion *timetz; - JsonCoercion *timestamp; - JsonCoercion *timestamptz; - JsonCoercion *composite; /* arrays and objects */ -} JsonItemCoercions; - -/* - * JsonExpr - - * transformed representation of JSON_VALUE(), JSON_QUERY(), JSON_EXISTS() - */ -typedef struct JsonExpr -{ - Expr xpr; - JsonExprOp op; /* json function ID */ - Node *formatted_expr; /* formatted context item expression */ - JsonCoercion *result_coercion; /* resulting coercion to RETURNING type */ - JsonFormat *format; /* context item format (JSON/JSONB) */ - Node *path_spec; /* JSON path specification expression */ - List *passing_names; /* PASSING argument names */ - List *passing_values; /* PASSING argument values */ - JsonReturning *returning; /* RETURNING clause type/format info */ - JsonBehavior *on_empty; /* ON EMPTY behavior */ - JsonBehavior *on_error; /* ON ERROR behavior */ - JsonItemCoercions *coercions; /* coercions for JSON_VALUE */ - JsonWrapper wrapper; /* WRAPPER for JSON_QUERY */ - bool omit_quotes; /* KEEP/OMIT QUOTES for JSON_QUERY */ - int location; /* token location, or -1 if unknown */ -} JsonExpr; - -/* - * JsonTableParent - - * transformed representation of parent JSON_TABLE plan node - */ -typedef struct JsonTableParent -{ - NodeTag type; - Const *path; /* jsonpath constant */ - char *name; /* path name */ - Node *child; /* nested columns, if any */ - bool outerJoin; /* outer or inner join for nested columns? */ - int colMin; /* min column index in the resulting column - * list */ - int colMax; /* max column index in the resulting column - * list */ - bool errorOnError; /* ERROR/EMPTY ON ERROR behavior */ -} JsonTableParent; - -/* - * JsonTableSibling - - * transformed representation of joined sibling JSON_TABLE plan node - */ -typedef struct JsonTableSibling -{ - NodeTag type; - Node *larg; /* left join node */ - Node *rarg; /* right join node */ - bool cross; /* cross or union join? */ -} JsonTableSibling; - /* ---------------- * NullTest * |