diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 130 |
1 files changed, 68 insertions, 62 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index cbbe77c333a..15c370a64a6 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parsenodes.h,v 1.103 2000/03/24 23:26:45 tgl Exp $ + * $Id: parsenodes.h,v 1.104 2000/04/12 17:16:40 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -54,7 +54,7 @@ typedef struct Query Node *qual; /* qualifications applied to tuples */ List *rowMark; /* list of RowMark entries */ - List *distinctClause; /* a list of SortClause's */ + List *distinctClause; /* a list of SortClause's */ List *sortClause; /* a list of SortClause's */ @@ -72,7 +72,8 @@ typedef struct Query /* internal to planner */ List *base_rel_list; /* list of base-relation RelOptInfos */ List *join_rel_list; /* list of join-relation RelOptInfos */ - List *equi_key_list; /* list of lists of equijoined PathKeyItems */ + List *equi_key_list; /* list of lists of equijoined + * PathKeyItems */ List *query_pathkeys; /* pathkeys for query_planner()'s result */ } Query; @@ -94,12 +95,13 @@ typedef struct Query typedef struct AlterTableStmt { NodeTag type; - char subtype; /* A = add, T = alter, D = drop, C = add constr, X = drop constr */ - char *relname; /* table to work on */ + char subtype; /* A = add, T = alter, D = drop, C = add + * constr, X = drop constr */ + char *relname; /* table to work on */ bool inh; /* recursively on children? */ - char *name; /* column or constraint name to act on */ - Node *def; /* definition of new column or constraint */ - int behavior; /* CASCADE or RESTRICT drop behavior */ + char *name; /* column or constraint name to act on */ + Node *def; /* definition of new column or constraint */ + int behavior; /* CASCADE or RESTRICT drop behavior */ } AlterTableStmt; /* ---------------------- @@ -137,7 +139,7 @@ typedef struct CopyStmt int direction; /* TO or FROM */ char *filename; /* if NULL, use stdin/stdout */ char *delimiter; /* delimiter character, \t by default */ - char *null_print; /* how to print NULLs, `\N' by default */ + char *null_print; /* how to print NULLs, `\N' by default */ } CopyStmt; /* ---------------------- @@ -177,7 +179,8 @@ 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, @@ -219,14 +222,14 @@ typedef struct Constraint typedef struct FkConstraint { NodeTag type; - char *constr_name; /* Constraint name */ - char *pktable_name; /* Primary key table name */ - List *fk_attrs; /* Attributes of foreign key */ - List *pk_attrs; /* Corresponding attrs in PK table */ - char *match_type; /* FULL or PARTIAL */ - int32 actions; /* ON DELETE/UPDATE actions */ - bool deferrable; /* DEFERRABLE */ - bool initdeferred; /* INITIALLY DEFERRED */ + char *constr_name; /* Constraint name */ + char *pktable_name; /* Primary key table name */ + List *fk_attrs; /* Attributes of foreign key */ + List *pk_attrs; /* Corresponding attrs in PK table */ + char *match_type; /* FULL or PARTIAL */ + int32 actions; /* ON DELETE/UPDATE actions */ + bool deferrable; /* DEFERRABLE */ + bool initdeferred; /* INITIALLY DEFERRED */ } FkConstraint; @@ -250,8 +253,8 @@ typedef struct CreateTrigStmt List *attr; /* UPDATE OF a, b,... (NI) or NULL */ char *when; /* WHEN 'a > 10 ...' (NI) or NULL */ - /* The following are used for referential */ - /* integrity constraint triggers */ + /* The following are used for referential */ + /* integrity constraint triggers */ bool isconstraint; /* This is an RI trigger */ bool deferrable; /* [NOT] DEFERRABLE */ bool initdeferred; /* INITIALLY {DEFERRED|IMMEDIATE} */ @@ -295,9 +298,9 @@ typedef struct CreateUserStmt NodeTag type; char *user; /* PostgreSQL user login */ char *password; /* PostgreSQL user password */ - int sysid; /* PgSQL system id (-1 if don't care) */ - bool createdb; /* Can the user create databases? */ - bool createuser; /* Can this user create users? */ + int sysid; /* PgSQL system id (-1 if don't care) */ + bool createdb; /* Can the user create databases? */ + bool createuser; /* Can this user create users? */ List *groupElts; /* The groups the user is a member of */ char *validUntil; /* The time the login is valid until */ } CreateUserStmt; @@ -307,43 +310,43 @@ typedef struct AlterUserStmt NodeTag type; char *user; /* PostgreSQL user login */ char *password; /* PostgreSQL user password */ - int createdb; /* Can the user create databases? */ - int createuser; /* Can this user create users? */ + int createdb; /* Can the user create databases? */ + int createuser; /* Can this user create users? */ char *validUntil; /* The time the login is valid until */ } AlterUserStmt; typedef struct DropUserStmt { NodeTag type; - List *users; /* List of users to remove */ + List *users; /* List of users to remove */ } DropUserStmt; /* ---------------------- - * Create/Alter/Drop Group Statements + * Create/Alter/Drop Group Statements * ---------------------- */ typedef struct CreateGroupStmt { - NodeTag type; - char *name; /* name of the new group */ - int sysid; /* group id (-1 if pick default) */ - List *initUsers; /* list of initial users */ + NodeTag type; + char *name; /* name of the new group */ + int sysid; /* group id (-1 if pick default) */ + List *initUsers; /* list of initial users */ } CreateGroupStmt; typedef struct AlterGroupStmt { - NodeTag type; - char *name; /* name of group to alter */ - int action; /* +1 = add, -1 = drop user */ - int sysid; /* sysid change */ - List *listUsers; /* list of users to add/drop */ + NodeTag type; + char *name; /* name of group to alter */ + int action; /* +1 = add, -1 = drop user */ + int sysid; /* sysid change */ + List *listUsers; /* list of users to add/drop */ } AlterGroupStmt; typedef struct DropGroupStmt { - NodeTag type; - char *name; + NodeTag type; + char *name; } DropGroupStmt; @@ -396,29 +399,29 @@ typedef struct DropStmt } DropStmt; /* ---------------------- - * Truncate Table Statement + * Truncate Table Statement * ---------------------- */ typedef struct TruncateStmt { - NodeTag type; - char *relName; /* relation to be truncated */ + NodeTag type; + char *relName; /* relation to be truncated */ } TruncateStmt; /* ---------------------- - * Comment On Statement + * Comment On Statement * ---------------------- */ typedef struct CommentStmt { - NodeTag type; - int objtype; /* Object's type */ - char *objname; /* Name of the object */ - char *objproperty; /* Property Id (such as column) */ - List *objlist; /* Arguments for VAL objects */ - char *comment; /* The comment to insert */ + NodeTag type; + int objtype; /* Object's type */ + char *objname; /* Name of the object */ + char *objproperty; /* Property Id (such as column) */ + List *objlist; /* Arguments for VAL objects */ + char *comment; /* The comment to insert */ } CommentStmt; - + /* ---------------------- * Extend Index Statement * ---------------------- @@ -738,7 +741,7 @@ typedef struct LockStmt typedef struct ConstraintsSetStmt { NodeTag type; - List *constraints; + List *constraints; bool deferred; } ConstraintsSetStmt; @@ -749,8 +752,8 @@ typedef struct ConstraintsSetStmt typedef struct ReindexStmt { NodeTag type; - int reindexType; /* INDEX|TABLE|DATABASE */ - const char *name; /* name to reindex */ + int reindexType; /* INDEX|TABLE|DATABASE */ + const char *name; /* name to reindex */ bool force; bool all; } ReindexStmt; @@ -768,8 +771,9 @@ typedef struct InsertStmt { NodeTag type; char *relname; /* relation to insert into */ - List *distinctClause; /* NULL, list of DISTINCT ON exprs, or - * lcons(NIL,NIL) for all (SELECT DISTINCT) */ + List *distinctClause; /* NULL, list of DISTINCT ON exprs, or + * lcons(NIL,NIL) for all (SELECT + * DISTINCT) */ List *cols; /* names of the columns */ List *targetList; /* the target list (of ResTarget) */ List *fromClause; /* the from clause */ @@ -813,8 +817,9 @@ typedef struct UpdateStmt typedef struct SelectStmt { NodeTag type; - List *distinctClause; /* NULL, list of DISTINCT ON exprs, or - * lcons(NIL,NIL) for all (SELECT DISTINCT) */ + List *distinctClause; /* NULL, list of DISTINCT ON exprs, or + * lcons(NIL,NIL) for all (SELECT + * DISTINCT) */ char *into; /* name of table (for select into table) */ List *targetList; /* the target list (of ResTarget) */ List *fromClause; /* the from clause */ @@ -839,7 +844,7 @@ typedef struct SelectStmt * Supporting data structures for Parse Trees * * Most of these node types appear in raw parsetrees output by the grammar, - * and get transformed to something else by the analyzer. A few of them + * and get transformed to something else by the analyzer. A few of them * are used as-is in transformed querytrees. ****************************************************************************/ @@ -951,7 +956,7 @@ typedef struct CaseWhen * in either "raw" form (an untransformed parse tree) or "cooked" form * (the nodeToString representation of an executable expression tree), * depending on how this ColumnDef node was created (by parsing, or by - * inheritance from an existing relation). We should never have both + * inheritance from an existing relation). We should never have both * in the same node! * * The constraints list may contain a CONSTR_DEFAULT item in a raw @@ -966,8 +971,9 @@ typedef struct ColumnDef TypeName *typename; /* type of column */ bool is_not_null; /* flag to NOT NULL constraint */ bool is_sequence; /* is a sequence? */ - Node *raw_default; /* default value (untransformed parse tree) */ - char *cooked_default; /* nodeToString representation */ + Node *raw_default; /* default value (untransformed parse + * tree) */ + char *cooked_default; /* nodeToString representation */ List *constraints; /* other constraints on column */ } ColumnDef; @@ -1141,7 +1147,7 @@ typedef struct TargetEntry * inFromCl marks those range variables that are listed in the FROM clause. * In SQL, the query can only refer to range variables listed in the * FROM clause, but POSTQUEL allows you to refer to tables not listed, - * in which case a range table entry will be generated. We still support + * in which case a range table entry will be generated. We still support * this POSTQUEL feature, although there is some doubt whether it's * convenient or merely confusing. The flag is needed since an * implicitly-added RTE shouldn't change the namespace for unqualified @@ -1156,7 +1162,7 @@ typedef struct TargetEntry * Here we should get the product of the sizes of tx and ty. However, * the query optimizer can simplify the WHERE clause to "TRUE", so * ty will no longer be referred to explicitly; without a flag forcing - * it to be included in the join, we will get the wrong answer. So, + * it to be included in the join, we will get the wrong answer. So, * a POSTQUEL implicit RTE must be marked inJoinSet but not inFromCl. *-------------------- */ |