diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 63 |
1 files changed, 51 insertions, 12 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 53b0a3db7fc..5f8f4794f93 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parsenodes.h,v 1.228 2003/02/09 06:56:28 tgl Exp $ + * $Id: parsenodes.h,v 1.229 2003/02/10 04:44:47 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -165,15 +165,25 @@ typedef struct ParamRef } ParamRef; /* - * A_Expr - binary expressions + * A_Expr - infix, prefix, and postfix expressions */ +typedef enum A_Expr_Kind +{ + AEXPR_OP, /* normal operator */ + AEXPR_AND, /* booleans - name field is unused */ + AEXPR_OR, + AEXPR_NOT, + AEXPR_DISTINCT, /* IS DISTINCT FROM - name must be "=" */ + AEXPR_OF /* IS (not) OF - name must be "=" or "!=" */ +} A_Expr_Kind; + typedef struct A_Expr { NodeTag type; - int oper; /* type of operation (OP,OR,AND,NOT) */ + A_Expr_Kind kind; /* see above */ List *name; /* possibly-qualified name of operator */ - Node *lexpr; /* left argument */ - Node *rexpr; /* right argument */ + Node *lexpr; /* left argument, or NULL if none */ + Node *rexpr; /* right argument, or NULL if none */ } A_Expr; /* @@ -1058,13 +1068,20 @@ typedef struct CreateSeqStmt } CreateSeqStmt; /* ---------------------- - * Create {Operator|Type|Aggregate} Statement + * Create {Aggregate|Operator|Type} Statement * ---------------------- */ +typedef enum DefineStmtKind +{ + DEFINE_STMT_AGGREGATE, + DEFINE_STMT_OPERATOR, + DEFINE_STMT_TYPE +} DefineStmtKind; + typedef struct DefineStmt { NodeTag type; - int defType; /* OPERATOR|TYPE_P|AGGREGATE */ + DefineStmtKind kind; /* see above */ List *defnames; /* qualified name (list of Value strings) */ List *definition; /* a list of DefElem */ } DefineStmt; @@ -1196,11 +1213,18 @@ typedef struct CommentStmt * Fetch Statement * ---------------------- */ +typedef enum FetchDirection +{ + FETCH_FORWARD, + FETCH_BACKWARD + /* ABSOLUTE someday? */ +} FetchDirection; + typedef struct FetchStmt { NodeTag type; - int direction; /* FORWARD or BACKWARD */ - long howMany; /* amount to fetch */ + FetchDirection direction; /* see above */ + long howMany; /* number of rows */ char *portalname; /* name of portal (cursor) */ bool ismove; /* TRUE if MOVE */ } FetchStmt; @@ -1357,11 +1381,19 @@ typedef struct UnlistenStmt * {Begin|Commit|Rollback} Transaction Statement * ---------------------- */ +typedef enum TransactionStmtKind +{ + TRANS_STMT_BEGIN, + TRANS_STMT_START, /* semantically identical to BEGIN */ + TRANS_STMT_COMMIT, + TRANS_STMT_ROLLBACK +} TransactionStmtKind; + typedef struct TransactionStmt { NodeTag type; - int command; /* BEGIN_TRANS|START|COMMIT|ROLLBACK */ - List *options; + TransactionStmtKind kind; /* see above */ + List *options; /* for BEGIN/START only */ } TransactionStmt; /* ---------------------- @@ -1544,10 +1576,17 @@ typedef struct ConstraintsSetStmt * REINDEX Statement * ---------------------- */ +typedef enum ReindexStmtKind +{ + REINDEX_INDEX, + REINDEX_TABLE, + REINDEX_DATABASE +} ReindexStmtKind; + typedef struct ReindexStmt { NodeTag type; - int reindexType; /* INDEX|TABLE|DATABASE */ + ReindexStmtKind kind; /* see above */ RangeVar *relation; /* Table or index to reindex */ const char *name; /* name of database to reindex */ bool force; |