diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 94264d0b4c8..3c093dd390f 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parsenodes.h,v 1.124 2001/01/24 19:43:25 momjian Exp $ + * $Id: parsenodes.h,v 1.125 2001/03/22 04:00:51 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -49,7 +49,8 @@ typedef struct Query bool hasSubLinks; /* has subquery SubLink */ List *rtable; /* list of range table entries */ - FromExpr *jointree; /* table join tree (FROM and WHERE clauses) */ + FromExpr *jointree; /* table join tree (FROM and WHERE + * clauses) */ List *rowMarks; /* integer list of RT indexes of relations * that are selected FOR UPDATE */ @@ -78,7 +79,7 @@ typedef struct Query * commit to the exact set of child tables at parse time. This field * ought to go in some sort of TopPlan plan node, not in the Query. */ - List *resultRelations; /* integer list of RT indexes, or NIL */ + List *resultRelations;/* integer list of RT indexes, or NIL */ /* internal to planner */ List *base_rel_list; /* list of base-relation RelOptInfos */ @@ -115,13 +116,14 @@ typedef enum InhOption typedef struct AlterTableStmt { NodeTag type; - char subtype; /* A = add column, T = alter column, D = drop column, - * C = add constraint, X = drop constraint, - * E = add toast table, - * U = change owner */ + char subtype; /* A = add column, T = alter column, D = + * drop column, C = add constraint, X = + * drop constraint, E = add toast table, U + * = change owner */ char *relname; /* table to work on */ InhOption inhOpt; /* recursively act on children? */ - char *name; /* column or constraint name to act on, or new owner */ + char *name; /* column or constraint name to act on, or + * new owner */ Node *def; /* definition of new column or constraint */ int behavior; /* CASCADE or RESTRICT drop behavior */ } AlterTableStmt; @@ -414,11 +416,11 @@ typedef struct DefineStmt * ---------------------- */ -#define DROP_TABLE 1 +#define DROP_TABLE 1 #define DROP_SEQUENCE 2 -#define DROP_VIEW 3 -#define DROP_INDEX 4 -#define DROP_RULE 5 +#define DROP_VIEW 3 +#define DROP_INDEX 4 +#define DROP_RULE 5 #define DROP_TYPE_P 6 typedef struct DropStmt @@ -798,10 +800,11 @@ typedef struct InsertStmt NodeTag type; char *relname; /* relation to insert into */ List *cols; /* optional: names of the target columns */ + /* - * An INSERT statement has *either* VALUES or SELECT, never both. - * If VALUES, a targetList is supplied (empty for DEFAULT VALUES). - * If SELECT, a complete SelectStmt (or set-operation tree) is supplied. + * An INSERT statement has *either* VALUES or SELECT, never both. If + * VALUES, a targetList is supplied (empty for DEFAULT VALUES). If + * SELECT, a complete SelectStmt (or set-operation tree) is supplied. */ List *targetList; /* the target list (of ResTarget) */ Node *selectStmt; /* the source SELECT */ @@ -857,6 +860,7 @@ typedef enum SetOperation typedef struct SelectStmt { NodeTag type; + /* * These fields are used only in "leaf" SelectStmts. */ @@ -870,6 +874,7 @@ typedef struct SelectStmt Node *whereClause; /* WHERE qualification */ List *groupClause; /* GROUP BY clauses */ Node *havingClause; /* HAVING conditional-expression */ + /* * These fields are used in both "leaf" SelectStmts and upper-level * SelectStmts. portalname/binary may only be set at the top level. @@ -880,6 +885,7 @@ typedef struct SelectStmt Node *limitOffset; /* # of result tuples to skip */ Node *limitCount; /* # of result tuples to return */ List *forUpdate; /* FOR UPDATE clause */ + /* * These fields are used only in upper-level SelectStmts. */ @@ -910,7 +916,8 @@ typedef struct SetOperationStmt /* Eventually add fields for CORRESPONDING spec here */ /* Fields derived during parse analysis: */ - List *colTypes; /* integer list of OIDs of output column types */ + List *colTypes; /* integer list of OIDs of output column + * types */ } SetOperationStmt; /**************************************************************************** @@ -1237,15 +1244,18 @@ typedef struct TargetEntry typedef struct RangeTblEntry { NodeTag type; + /* * Fields valid for a plain relation RTE (else NULL/zero): */ char *relname; /* real name of the relation */ Oid relid; /* OID of the relation */ + /* * Fields valid for a subquery RTE (else NULL): */ Query *subquery; /* the sub-query */ + /* * Fields valid in all RTEs: */ |