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Included all yacc and lex files into the distribution.

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This commit is contained in:
Peter Eisentraut
2000-01-16 20:05:00 +00:00
parent a4e1304ed1
commit 759fba4873
19 changed files with 824 additions and 556 deletions
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105
src/backend/parser/gram.y
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@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.126 2000/01/15 02:59:32 petere Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.127 2000/01/16 20:04:55 petere Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -114,7 +114,7 @@ static Node *doNegate(Node *n);
}
%type <node> stmt,
AddAttrStmt, ClosePortalStmt,
AlterTableStmt, ClosePortalStmt,
CopyStmt, CreateStmt, CreateAsStmt, CreateSeqStmt, DefineStmt, DropStmt,
TruncateStmt, CommentStmt,
ExtendStmt, FetchStmt, GrantStmt, CreateTrigStmt, DropTrigStmt,
@@ -130,6 +130,9 @@ static Node *doNegate(Node *n);
RuleActionStmtOrEmpty, ConstraintsSetStmt,
CreateGroupStmt, AlterGroupStmt, DropGroupStmt
%type <node> alter_column_action
%type <ival> drop_behavior
%type <str> createdb_opt_location
%type <ival> createdb_opt_encoding
@@ -210,7 +213,7 @@ static Node *doNegate(Node *n);
%type <astmt> insert_rest
%type <node> OptTableElement, ConstraintElem
%type <node> columnDef, alter_clause
%type <node> columnDef
%type <defelt> def_elem
%type <node> def_arg, columnElem, where_clause,
a_expr, a_expr_or_null, b_expr, com_expr, AexprConst,
@@ -391,7 +394,7 @@ stmtmulti: stmtmulti ';' stmt
}
;
stmt : AddAttrStmt
stmt : AlterTableStmt
| AlterGroupStmt
| AlterUserStmt
| ClosePortalStmt
@@ -797,40 +800,74 @@ constraints_set_mode: DEFERRED
/*****************************************************************************
*
* QUERY :
* addattr ( attr1 = type1 .. attrn = typen ) to <relname> [*]
* ALTER TABLE variations
*
*****************************************************************************/
AddAttrStmt: ALTER TABLE relation_name opt_inh_star alter_clause
{
AddAttrStmt *n = makeNode(AddAttrStmt);
n->relname = $3;
n->inh = $4;
n->colDef = $5;
$$ = (Node *)n;
}
;
AlterTableStmt:
/* ALTER TABLE <name> ADD [COLUMN] <coldef> */
ALTER TABLE relation_name opt_inh_star ADD opt_column columnDef
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->subtype = 'A';
n->relname = $3;
n->inh = $4;
n->def = $7;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ALTER [COLUMN] <colname> {SET DEFAULT <expr>|DROP DEFAULT} */
| ALTER TABLE relation_name opt_inh_star ALTER opt_column ColId alter_column_action
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->subtype = 'T';
n->relname = $3;
n->inh = $4;
n->name = $7;
n->def = $8;
$$ = (Node *)n;
}
/* ALTER TABLE <name> DROP [COLUMN] <name> {RESTRICT|CASCADE} */
| ALTER TABLE relation_name opt_inh_star DROP opt_column ColId drop_behavior
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->subtype = 'D';
n->relname = $3;
n->inh = $4;
n->name = $7;
n->behavior = $8;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ADD CONSTRAINT ... */
| ALTER TABLE relation_name opt_inh_star ADD TableConstraint
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->subtype = 'A';
n->relname = $3;
n->inh = $4;
n->def = $6;
$$ = (Node *)n;
}
/* ALTER TABLE <name> DROP CONSTRAINT <name> {RESTRICT|CASCADE} */
| ALTER TABLE relation_name opt_inh_star DROP CONSTRAINT name drop_behavior
{
AlterTableStmt *n = makeNode(AlterTableStmt);
n->relname = $3;
n->inh = $4;
n->name = $7;
n->behavior = $8;
$$ = (Node *)n;
}
;
alter_column_action:
SET DEFAULT a_expr_or_null { $$ = $3; }
| DROP DEFAULT { $$ = NULL; }
;
drop_behavior: CASCADE { $$ = CASCADE; }
| RESTRICT { $$ = RESTRICT; }
;
alter_clause: ADD opt_column columnDef
{
$$ = $3;
}
| ADD '(' OptTableElementList ')'
{
if (length($3) != 1)
elog(ERROR,"ALTER TABLE/ADD() allows one column only");
$$ = (Node *) lfirst($3);
}
| DROP opt_column ColId
{ elog(ERROR,"ALTER TABLE/DROP COLUMN not yet implemented"); }
| ALTER opt_column ColId SET DEFAULT a_expr
{ elog(ERROR,"ALTER TABLE/ALTER COLUMN/SET DEFAULT not yet implemented"); }
| ALTER opt_column ColId DROP DEFAULT
{ elog(ERROR,"ALTER TABLE/ALTER COLUMN/DROP DEFAULT not yet implemented"); }
| ADD ConstraintElem
{ elog(ERROR,"ALTER TABLE/ADD CONSTRAINT not yet implemented"); }
;
/*****************************************************************************