diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 81 |
1 files changed, 40 insertions, 41 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index 79449c55847..412fadac54e 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.352 2007/08/22 05:13:50 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.353 2007/09/03 18:46:30 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1051,6 +1051,42 @@ typedef struct CopyStmt } CopyStmt; /* ---------------------- + * SET Statement (includes RESET) + * + * "SET var TO DEFAULT" and "RESET var" are semantically equivalent, but we + * preserve the distinction in VariableSetKind for CreateCommandTag(). + * ---------------------- + */ +typedef enum +{ + VAR_SET_VALUE, /* SET var = value */ + VAR_SET_DEFAULT, /* SET var TO DEFAULT */ + VAR_SET_CURRENT, /* SET var FROM CURRENT */ + VAR_SET_MULTI, /* special case for SET TRANSACTION ... */ + VAR_RESET, /* RESET var */ + VAR_RESET_ALL /* RESET ALL */ +} VariableSetKind; + +typedef struct VariableSetStmt +{ + NodeTag type; + VariableSetKind kind; + char *name; /* variable to be set */ + List *args; /* List of A_Const nodes */ + bool is_local; /* SET LOCAL? */ +} VariableSetStmt; + +/* ---------------------- + * Show Statement + * ---------------------- + */ +typedef struct VariableShowStmt +{ + NodeTag type; + char *name; +} VariableShowStmt; + +/* ---------------------- * Create Table Statement * * NOTE: in the raw gram.y output, ColumnDef, Constraint, and FkConstraint @@ -1264,8 +1300,7 @@ typedef struct AlterRoleSetStmt { NodeTag type; char *role; /* role name */ - char *variable; /* GUC variable name */ - List *value; /* value for variable, or NIL for Reset */ + VariableSetStmt *setstmt; /* SET or RESET subcommand */ } AlterRoleSetStmt; typedef struct DropRoleStmt @@ -1781,9 +1816,8 @@ typedef struct AlterDatabaseStmt typedef struct AlterDatabaseSetStmt { NodeTag type; - char *dbname; - char *variable; - List *value; + char *dbname; /* database name */ + VariableSetStmt *setstmt; /* SET or RESET subcommand */ } AlterDatabaseSetStmt; /* ---------------------- @@ -1849,41 +1883,6 @@ typedef struct CheckPointStmt } CheckPointStmt; /* ---------------------- - * Set Statement - * ---------------------- - */ - -typedef struct VariableSetStmt -{ - NodeTag type; - char *name; - List *args; - bool is_local; /* SET LOCAL */ -} VariableSetStmt; - -/* ---------------------- - * Show Statement - * ---------------------- - */ - -typedef struct VariableShowStmt -{ - NodeTag type; - char *name; -} VariableShowStmt; - -/* ---------------------- - * Reset Statement - * ---------------------- - */ - -typedef struct VariableResetStmt -{ - NodeTag type; - char *name; -} VariableResetStmt; - -/* ---------------------- * Discard Statement * ---------------------- */ |