diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 111 |
1 files changed, 50 insertions, 61 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 70c6743ac12..766076b7d6b 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.290 2005/08/23 22:40:47 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.291 2005/10/15 02:49:45 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -87,14 +87,13 @@ 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/SHARE */ - bool forUpdate; /* true if rowMarks are FOR UPDATE, - * false if they are FOR SHARE */ + bool forUpdate; /* true if rowMarks are FOR UPDATE, false if + * they are FOR SHARE */ bool rowNoWait; /* FOR UPDATE/SHARE NOWAIT option */ List *targetList; /* target list (of TargetEntry) */ @@ -110,16 +109,16 @@ typedef struct Query Node *limitOffset; /* # of result tuples to skip */ Node *limitCount; /* # of result tuples to return */ - Node *setOperations; /* set-operation tree if this is top level - * of a UNION/INTERSECT/EXCEPT query */ + Node *setOperations; /* set-operation tree if this is top level of + * a UNION/INTERSECT/EXCEPT query */ /* * If the resultRelation turns out to be the parent of an inheritance - * tree, the planner will add all the child tables to the rtable and - * store a list of the rtindexes of all the result relations here. - * This is done at plan time, not parse time, since we don't want to - * 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. + * tree, the planner will add all the child tables to the rtable and store + * a list of the rtindexes of all the result relations here. This is done + * at plan time, not parse time, since we don't want to 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 */ } Query; @@ -305,8 +304,7 @@ typedef struct ResTarget NodeTag type; char *name; /* column name or NULL */ List *indirection; /* subscripts and field names, or NIL */ - Node *val; /* the value expression to compute or - * assign */ + Node *val; /* the value expression to compute or assign */ } ResTarget; /* @@ -373,8 +371,7 @@ typedef struct ColumnDef int inhcount; /* number of times column is inherited */ bool is_local; /* column has local (non-inherited) def'n */ bool is_not_null; /* NOT NULL constraint specified? */ - Node *raw_default; /* default value (untransformed parse - * tree) */ + Node *raw_default; /* default value (untransformed parse tree) */ char *cooked_default; /* nodeToString representation */ List *constraints; /* other constraints on column */ RangeVar *support; /* supporting relation, if any */ @@ -419,7 +416,7 @@ typedef struct DefElem /* * LockingClause - raw representation of FOR UPDATE/SHARE options * - * Note: lockedRels == NIL means "all relations in query". Otherwise it + * Note: lockedRels == NIL means "all relations in query". Otherwise it * is a list of String nodes giving relation eref names. */ typedef struct LockingClause @@ -470,7 +467,7 @@ typedef struct LockingClause * a stored rule might contain entries for columns dropped since the rule * was created. (This is only possible for columns not actually referenced * in the rule.) When loading a stored rule, we replace the joinaliasvars - * items for any such columns with NULL Consts. (We can't simply delete + * items for any such columns with NULL Consts. (We can't simply delete * them from the joinaliasvars list, because that would affect the attnums * of Vars referencing the rest of the list.) * @@ -513,9 +510,9 @@ typedef struct RangeTblEntry RTEKind rtekind; /* see above */ /* - * XXX the fields applicable to only some rte kinds should be merged - * into a union. I didn't do this yet because the diffs would impact - * a lot of code that is being actively worked on. FIXME later. + * XXX the fields applicable to only some rte kinds should be merged into + * a union. I didn't do this yet because the diffs would impact a lot of + * code that is being actively worked on. FIXME later. */ /* @@ -538,14 +535,13 @@ typedef struct RangeTblEntry /* * Fields valid for a join RTE (else NULL/zero): * - * joinaliasvars is a list of Vars or COALESCE expressions corresponding - * to the columns of the join result. An alias Var referencing column - * K of the join result can be replaced by the K'th element of - * joinaliasvars --- but to simplify the task of reverse-listing - * aliases correctly, we do not do that until planning time. In a Query - * loaded from a stored rule, it is also possible for joinaliasvars - * items to be NULL Consts, denoting columns dropped since the rule was - * made. + * joinaliasvars is a list of Vars or COALESCE expressions corresponding to + * the columns of the join result. An alias Var referencing column K of + * the join result can be replaced by the K'th element of joinaliasvars + * --- but to simplify the task of reverse-listing aliases correctly, we + * do not do that until planning time. In a Query loaded from a stored + * rule, it is also possible for joinaliasvars items to be NULL Consts, + * denoting columns dropped since the rule was made. */ JoinType jointype; /* type of join */ List *joinaliasvars; /* list of alias-var expansions */ @@ -610,8 +606,8 @@ typedef struct InsertStmt /* * 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. + * 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 */ @@ -667,9 +663,9 @@ typedef enum ContainsOids { MUST_HAVE_OIDS, /* WITH OIDS explicitely specified */ MUST_NOT_HAVE_OIDS, /* WITHOUT OIDS explicitely specified */ - DEFAULT_OIDS /* neither specified; use the default, - * which is the value of the - * default_with_oids GUC var */ + DEFAULT_OIDS /* neither specified; use the default, which + * is the value of the default_with_oids GUC + * var */ } ContainsOids; typedef struct SelectStmt @@ -683,8 +679,7 @@ typedef struct SelectStmt * else... */ List *distinctClause; /* NULL, list of DISTINCT ON exprs, or - * lcons(NIL,NIL) for all (SELECT - * DISTINCT) */ + * lcons(NIL,NIL) for all (SELECT DISTINCT) */ RangeVar *into; /* target table (for select into table) */ List *intoColNames; /* column names for into table */ ContainsOids intoHasOids; /* should target table have OIDs? */ @@ -701,7 +696,7 @@ typedef struct SelectStmt List *sortClause; /* sort clause (a list of SortBy's) */ Node *limitOffset; /* # of result tuples to skip */ Node *limitCount; /* # of result tuples to return */ - LockingClause *lockingClause; /* FOR UPDATE/FOR SHARE */ + LockingClause *lockingClause; /* FOR UPDATE/FOR SHARE */ /* * These fields are used only in upper-level SelectStmts. @@ -829,8 +824,8 @@ typedef enum AlterTableType AT_ProcessedConstraint, /* pre-processed add constraint (local in * parser/analyze.c) */ AT_DropConstraint, /* drop constraint */ - AT_DropConstraintQuietly, /* drop constraint, no error/warning - * (local in commands/tablecmds.c) */ + AT_DropConstraintQuietly, /* drop constraint, no error/warning (local in + * commands/tablecmds.c) */ AT_AlterColumnType, /* alter column type */ AT_ToastTable, /* create toast table */ AT_ChangeOwner, /* change owner */ @@ -903,9 +898,8 @@ typedef struct GrantStmt NodeTag type; bool is_grant; /* true = GRANT, false = REVOKE */ GrantObjectType objtype; /* kind of object being operated on */ - List *objects; /* list of RangeVar nodes, FuncWithArgs - * nodes, or plain names (as Value - * strings) */ + List *objects; /* list of RangeVar nodes, FuncWithArgs nodes, + * or plain names (as Value strings) */ List *privileges; /* list of privilege names (as Strings) */ /* privileges == NIL denotes "all privileges" */ List *grantees; /* list of PrivGrantee nodes */ @@ -964,8 +958,8 @@ typedef struct CopyStmt { NodeTag type; RangeVar *relation; /* the relation to copy */ - List *attlist; /* List of column names (as Strings), or - * NIL for all columns */ + List *attlist; /* List of column names (as Strings), or NIL + * for all columns */ bool is_from; /* TO or FROM */ char *filename; /* if NULL, use stdin/stdout */ List *options; /* List of DefElem nodes */ @@ -1027,8 +1021,7 @@ typedef struct CreateStmt typedef enum ConstrType /* types of constraints */ { - CONSTR_NULL, /* not SQL92, but a lot of people expect - * it */ + CONSTR_NULL, /* not SQL92, but a lot of people expect it */ CONSTR_NOTNULL, CONSTR_DEFAULT, CONSTR_CHECK, @@ -1048,8 +1041,7 @@ typedef struct Constraint char *name; /* name, or NULL if unnamed */ Node *raw_expr; /* expr, as untransformed parse tree */ char *cooked_expr; /* expr, as nodeToString representation */ - List *keys; /* String nodes naming referenced - * column(s) */ + List *keys; /* String nodes naming referenced column(s) */ char *indexspace; /* index tablespace for PKEY/UNIQUE * constraints; NULL for default */ } Constraint; @@ -1146,8 +1138,7 @@ typedef struct CreatePLangStmt NodeTag type; char *plname; /* PL name */ List *plhandler; /* PL call handler function (qual. name) */ - List *plvalidator; /* optional validator function (qual. - * name) */ + List *plvalidator; /* optional validator function (qual. name) */ bool pltrusted; /* PL is trusted */ } CreatePLangStmt; @@ -1397,9 +1388,8 @@ typedef struct IndexStmt char *tableSpace; /* tablespace, or NULL to use parent's */ List *indexParams; /* a list of IndexElem */ Node *whereClause; /* qualification (partial-index predicate) */ - List *rangetable; /* range table for qual and/or - * expressions, filled in by - * transformStmt() */ + List *rangetable; /* range table for qual and/or expressions, + * filled in by transformStmt() */ bool unique; /* is index unique? */ bool primary; /* is index on primary key? */ bool isconstraint; /* is it from a CONSTRAINT clause? */ @@ -1433,7 +1423,7 @@ typedef struct FunctionParameter NodeTag type; char *name; /* parameter name, or NULL if not given */ TypeName *argType; /* TypeName for parameter type */ - FunctionParameterMode mode; /* IN/OUT/INOUT */ + FunctionParameterMode mode; /* IN/OUT/INOUT */ } FunctionParameter; typedef struct AlterFunctionStmt @@ -1513,13 +1503,13 @@ typedef struct RenameStmt */ typedef struct AlterObjectSchemaStmt { - NodeTag type; - ObjectType objectType; /* OBJECT_TABLE, OBJECT_TYPE, etc */ + NodeTag type; + ObjectType objectType; /* OBJECT_TABLE, OBJECT_TYPE, etc */ RangeVar *relation; /* in case it's a table */ List *object; /* in case it's some other object */ List *objarg; /* argument types, if applicable */ char *addname; /* additional name if needed */ - char *newschema; /* the new schema */ + char *newschema; /* the new schema */ } AlterObjectSchemaStmt; /* ---------------------- @@ -1529,7 +1519,7 @@ typedef struct AlterObjectSchemaStmt typedef struct AlterOwnerStmt { NodeTag type; - ObjectType objectType; /* OBJECT_TABLE, OBJECT_TYPE, etc */ + ObjectType objectType; /* OBJECT_TABLE, OBJECT_TYPE, etc */ RangeVar *relation; /* in case it's a table */ List *object; /* in case it's some other object */ List *objarg; /* argument types, if applicable */ @@ -1607,7 +1597,7 @@ typedef struct TransactionStmt NodeTag type; TransactionStmtKind kind; /* see above */ List *options; /* for BEGIN/START and savepoint commands */ - char *gid; /* for two-phase-commit related commands */ + char *gid; /* for two-phase-commit related commands */ } TransactionStmt; /* ---------------------- @@ -1801,8 +1791,7 @@ typedef struct ConstraintsSetStmt typedef struct ReindexStmt { NodeTag type; - ObjectType kind; /* OBJECT_INDEX, OBJECT_TABLE, - * OBJECT_DATABASE */ + ObjectType kind; /* OBJECT_INDEX, OBJECT_TABLE, OBJECT_DATABASE */ RangeVar *relation; /* Table or index to reindex */ const char *name; /* name of database to reindex */ bool do_system; /* include system tables in database case */ |