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Postgres FD Implementation
Commit 25e950fc authored by Thomas G. Lockhart's avatar Thomas G. Lockhart
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Change messages regarding "TimeRange" to say that time travel is no longer 

available.
Remove lots of #ifdef'd debugging print statements.
parent ced2ee82
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Showing with 11 additions and 64 deletions
src/backend/parser/gram.y
View file @ 25e950fc
......@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.63 1997/11/07 07:02:07 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 1.64 1997/11/10 15:22:36 thomas Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
......@@ -456,9 +456,6 @@ alter_clause: ADD opt_column columnDef
if (length($3) != 1)
elog(WARN,"ALTER TABLE/ADD() allows one column only",NULL);
#ifdef PARSEDEBUG
printf( "list has %d elements\n", length($3));
#endif
$$ = lp;
}
| DROP opt_column ColId
......@@ -743,15 +740,9 @@ ConstraintElem:
ConstraintDef: CHECK constraint_elem
{
ConstraintDef *constr = palloc (sizeof(ConstraintDef));
#ifdef PARSEDEBUG
printf("in ConstraintDef\n");
#endif
constr->type = CONSTR_CHECK;
constr->name = NULL;
constr->def = FlattenStringList($2);
#ifdef PARSEDEBUG
printf("ConstraintDef: string is %s\n", (char *) constr->def);
#endif
$$ = constr;
}
| UNIQUE '(' columnList ')'
......@@ -768,9 +759,6 @@ constraint_elem: AexprConst
{ $$ = lcons( makeString("NULL"), NIL); }
| ColId
{
#ifdef PARSEDEBUG
printf( "ColId is %s\n", $1);
#endif
$$ = lcons( makeString(fmtId($1)), NIL);
}
| '-' constraint_elem %prec UMINUS
......@@ -1037,21 +1025,12 @@ def_rest: def_name definition
{
$$ = makeNode(DefineStmt);
$$->defname = $1;
#ifdef PARSEDEBUG
printf("def_rest: defname is %s\n", $1);
#endif
$$->definition = $2;
}
;
def_type: OPERATOR { $$ = OPERATOR; }
| Type
{
#ifdef PARSEDEBUG
printf("def_type: decoding TYPE_P\n");
#endif
$$ = TYPE_P;
}
| Type { $$ = TYPE_P; }
| AGGREGATE { $$ = AGGREGATE; }
;
......@@ -1071,29 +1050,18 @@ def_list: def_elem { $$ = lcons($1, NIL); }
def_elem: def_name '=' def_arg
{
#ifdef PARSEDEBUG
printf("def_elem: decoding %s =\n", $1);
pprint($3);
#endif
$$ = makeNode(DefElem);
$$->defname = $1;
$$->arg = (Node *)$3;
}
| def_name
{
#ifdef PARSEDEBUG
printf("def_elem: decoding %s\n", $1);
#endif
$$ = makeNode(DefElem);
$$->defname = $1;
$$->arg = (Node *)NULL;
}
| DEFAULT '=' def_arg
{
#ifdef PARSEDEBUG
printf("def_elem: decoding DEFAULT =\n");
pprint($3);
#endif
$$ = makeNode(DefElem);
$$->defname = "default";
$$->arg = (Node *)$3;
......@@ -2406,14 +2374,14 @@ time_range: '[' opt_range_start ',' opt_range_end ']'
$$ = makeNode(TimeRange);
$$->startDate = $2;
$$->endDate = $4;
elog (WARN, "parser: TimeRange is not supported");
elog (WARN, "time travel is no longer available");
}
| '[' date ']'
{
$$ = makeNode(TimeRange);
$$->startDate = $2;
$$->endDate = NULL;
elog (WARN, "parser: TimeRange is not supported");
elog (WARN, "time travel is no longer available");
}
;
......@@ -3057,9 +3025,6 @@ extract_list: datetime FROM a_expr
A_Const *n = makeNode(A_Const);
n->val.type = T_String;
n->val.val.str = $1;
#ifdef PARSEDEBUG
printf( "string is %s\n", $1);
#endif
$$ = lappend(lcons((Node *)n,NIL), $3);
}
| /* EMPTY */
......@@ -3581,6 +3546,7 @@ static Node *makeA_Expr(int oper, char *opname, Node *lexpr, Node *rexpr)
return (Node *)a;
}
static Node *makeIndexable(char *opname, Node *lexpr, Node *rexpr)
{
Node *result = NULL;
......@@ -3748,7 +3714,7 @@ static Node *makeIndexable(char *opname, Node *lexpr, Node *rexpr)
if (result == NULL)
result = makeA_Expr(OP, opname, lexpr, rexpr);
return result;
}
} /* makeIndexable() */
/* xlateSqlType()
......@@ -3774,6 +3740,7 @@ xlateSqlType(char *name)
return name;
} /* xlateSqlName() */
void parser_init(Oid *typev, int nargs)
{
QueryIsRule = FALSE;
......@@ -3783,6 +3750,7 @@ void parser_init(Oid *typev, int nargs)
param_type_init(typev, nargs);
}
/* FlattenStringList()
* Traverse list of string nodes and convert to a single string.
* Used for reconstructing string form of complex expressions.
......@@ -3799,17 +3767,11 @@ FlattenStringList(List *list)
int nlist, len = 0;
nlist = length(list);
#ifdef PARSEDEBUG
printf( "list has %d elements\n", nlist);
#endif
l = list;
while(l != NIL) {
v = (Value *)lfirst(l);
sp = v->val.str;
l = lnext(l);
#ifdef PARSEDEBUG
printf( "sp is x%8p; length of %s is %d\n", sp, sp, strlen(sp));
#endif
len += strlen(sp);
};
len += nlist;
......@@ -3822,9 +3784,6 @@ printf( "sp is x%8p; length of %s is %d\n", sp, sp, strlen(sp));
v = (Value *)lfirst(l);
sp = v->val.str;
l = lnext(l);
#ifdef PARSEDEBUG
printf( "length of %s is %d\n", sp, strlen(sp));
#endif
strcat(s,sp);
if (l != NIL) strcat(s," ");
};
......@@ -3837,6 +3796,7 @@ printf( "flattened string is \"%s\"\n", s);
return(s);
} /* FlattenStringList() */
/* makeConstantList()
* Convert constant value node into string node.
*/
......@@ -3844,39 +3804,25 @@ static List *
makeConstantList( A_Const *n)
{
char *defval = NULL;
#ifdef PARSEDEBUG
printf( "in AexprConst\n");
#endif
if (nodeTag(n) != T_A_Const) {
elog(WARN,"Cannot handle non-constant parameter",NULL);
} else if (n->val.type == T_Float) {
#ifdef PARSEDEBUG
printf( "AexprConst float is %f\n", n->val.val.dval);
#endif
defval = (char*) palloc(20+1);
sprintf( defval, "%g", n->val.val.dval);
} else if (n->val.type == T_Integer) {
#ifdef PARSEDEBUG
printf( "AexprConst integer is %ld\n", n->val.val.ival);
#endif
defval = (char*) palloc(20+1);
sprintf( defval, "%ld", n->val.val.ival);
} else if (n->val.type == T_String) {
#ifdef PARSEDEBUG
printf( "AexprConst string is \"%s\"\n", n->val.val.str);
#endif
defval = (char*) palloc(strlen( ((A_Const *) n)->val.val.str) + 3);
strcpy( defval, "'");
strcat( defval, ((A_Const *) n)->val.val.str);
strcat( defval, "'");
} else {
elog(WARN,"Internal error: cannot encode node",NULL);
elog(WARN,"Internal error in makeConstantList(): cannot encode node",NULL);
};
#ifdef PARSEDEBUG
......@@ -3886,6 +3832,7 @@ printf( "AexprConst argument is \"%s\"\n", defval);
return( lcons( makeString(defval), NIL));
} /* makeConstantList() */
/* fmtId()
* Check input string for non-lowercase/non-numeric characters.
* Returns either input string or input surrounded by double quotes.
......
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