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Postgres FD Implementation
Commit 9f0ffa22 authored by Michael Meskes's avatar Michael Meskes
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*** empty log message ***

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src/interfaces/ecpg/ChangeLog
View file @ 9f0ffa22
......@@ -609,3 +609,11 @@ Fri Jun 25 07:17:10 CEST 1999
- Changed error message in ecpglib.c to list correct database name.
- Set library version to 3.0.0
- Set ecpg version to 2.6.0
Mon Jul 19 07:53:20 CEST 1999
- Synced preproc.y with gram.y.
- Synced pgc.l with scan.l.
- Fixed quoting bug in ecpglib.c
- Set ecpg version to 2.6.1
- Set library version to 3.0.1
src/interfaces/ecpg/TODO
View file @ 9f0ffa22
......@@ -13,8 +13,6 @@ support for dynamic SQL with unknown number of variables with DESCRIPTORS
The line numbering is not exact.
Inside an SQL statement quoting only works with SQL92 style double quotes: ''.
Missing statements:
- exec sql allocate
- exec sql deallocate
......
src/interfaces/ecpg/lib/Makefile.in
View file @ 9f0ffa22
......@@ -6,13 +6,13 @@
# Copyright (c) 1994, Regents of the University of California
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/Makefile.in,v 1.44 1999/06/30 23:57:23 tgl Exp $
# $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/Makefile.in,v 1.45 1999/07/19 12:37:46 meskes Exp $
#
#-------------------------------------------------------------------------
NAME= ecpg
SO_MAJOR_VERSION= 3
SO_MINOR_VERSION= 0.0
SO_MINOR_VERSION= 0.1
SRCDIR= @top_srcdir@
include $(SRCDIR)/Makefile.global
......
src/interfaces/ecpg/lib/ecpglib.c
View file @ 9f0ffa22
......@@ -209,8 +209,8 @@ add_mem(void *ptr, int lineno)
auto_allocs = am;
}
/* This function returns a newly malloced string that has the ' and \
in the argument quoted with \.
/* This function returns a newly malloced string that has the \
in the argument quoted with \ and the ' quote with ' as SQL92 says.
*/
static
char *
......@@ -228,8 +228,11 @@ quote_postgres(char *arg, int lineno)
switch (arg[i])
{
case '\'':
res[ri++] = '\'';
break;
case '\\':
res[ri++] = '\\';
break;
default:
;
}
......
src/interfaces/ecpg/preproc/Makefile
View file @ 9f0ffa22
......@@ -3,7 +3,7 @@ include $(SRCDIR)/Makefile.global
MAJOR_VERSION=2
MINOR_VERSION=6
PATCHLEVEL=0
PATCHLEVEL=1
CFLAGS+=-I../include -DMAJOR_VERSION=$(MAJOR_VERSION) \
-DMINOR_VERSION=$(MINOR_VERSION) -DPATCHLEVEL=$(PATCHLEVEL) \
......
src/interfaces/ecpg/preproc/pgc.l
View file @ 9f0ffa22
......@@ -132,7 +132,7 @@ identifier {letter}{letter_or_digit}*
typecast "::"
self [,()\[\].;$\:\+\-\*\/\%\<\>\=\|]
self [,()\[\].;$\:\+\-\*\/\%\^\<\>\=\|]
op_and_self [\~\!\@\#\^\&\|\?\$\:\+\-\*\/\%\<\>\=]
operator {op_and_self}+
......
src/interfaces/ecpg/preproc/preproc.y
View file @ 9f0ffa22
......@@ -754,6 +754,7 @@ adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dim
%nonassoc IS
%left '+' '-'
%left '*' '/' '%'
%left '^'
%left '|' /* this is the relation union op, not logical or */
/* Unary Operators */
%right ':'
......@@ -772,15 +773,15 @@ adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dim
%type <str> ColConstraint ColConstraintElem default_list NumericOnly FloatOnly
%type <str> OptTableElementList OptTableElement TableConstraint
%type <str> ConstraintElem key_actions constraint_list ColPrimaryKey
%type <str> res_target_list res_target_el res_target_list2
%type <str> res_target_el2 opt_id relation_name database_name
%type <str> target_list target_el update_target_list
%type <str> update_target_el opt_id relation_name database_name
%type <str> access_method attr_name class index_name name func_name
%type <str> file_name AexprConst ParamNo TypeId
%type <str> in_expr_nodes not_in_expr_nodes a_expr b_expr
%type <str> opt_indirection expr_list extract_list extract_arg
%type <str> position_list position_expr substr_list substr_from
%type <str> position_list substr_list substr_from
%type <str> trim_list in_expr substr_for not_in_expr attr attrs
%type <str> Typename Array Generic Numeric generic opt_float opt_numeric
%type <str> Typename SimpleTypename Generic Numeric generic opt_float opt_numeric
%type <str> opt_decimal Character character opt_varying opt_charset
%type <str> opt_collate Datetime datetime opt_timezone opt_interval
%type <str> numeric a_expr_or_null row_expr row_descriptor row_list
......@@ -848,8 +849,7 @@ adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dim
%type <action> action
%type <index> opt_array_bounds nest_array_bounds opt_type_array_bounds
%type <index> nest_type_array_bounds
%type <index> opt_array_bounds opt_type_array_bounds
%type <ival> Iresult
%%
......@@ -1237,6 +1237,9 @@ ClosePortalStmt: CLOSE opt_id
}
;
opt_id: ColId { $$ = $1; }
| /*EMPTY*/ { $$ = NULL; }
;
/*****************************************************************************
*
......@@ -1442,6 +1445,8 @@ default_expr: AexprConst
{ $$ = cat3_str($1, make1_str("%"), $3); }
| default_expr '*' default_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| default_expr '^' default_expr
{ $$ = cat3_str($1, make1_str("^"), $3); }
| default_expr '=' default_expr
{ yyerror("boolean expressions not supported in DEFAULT"); }
| default_expr '<' default_expr
......@@ -1564,6 +1569,8 @@ constraint_expr: AexprConst
{ $$ = cat3_str($1, make1_str("%"), $3); }
| constraint_expr '*' constraint_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| constraint_expr '^' constraint_expr
{ $$ = cat3_str($1, make1_str("^"), $3); }
| constraint_expr '=' constraint_expr
{ $$ = cat3_str($1, make1_str("="), $3); }
| constraint_expr '<' constraint_expr
......@@ -2631,7 +2638,7 @@ InsertStmt: INSERT INTO relation_name insert_rest
}
;
insert_rest: VALUES '(' res_target_list2 ')'
insert_rest: VALUES '(' target_list ')'
{
$$ = make3_str(make1_str("values("), $3, make1_str(")"));
}
......@@ -2643,7 +2650,7 @@ insert_rest: VALUES '(' res_target_list2 ')'
{
$$ = $1;
}
| '(' columnList ')' VALUES '(' res_target_list2 ')'
| '(' columnList ')' VALUES '(' target_list ')'
{
$$ = make5_str(make1_str("("), $2, make1_str(") values ("), $6, make1_str(")"));
}
......@@ -2713,7 +2720,7 @@ opt_lmode: SHARE { $$ = make1_str("share"); }
*****************************************************************************/
UpdateStmt: UPDATE relation_name
SET res_target_list
SET update_target_list
from_clause
where_clause
{
......@@ -2822,7 +2829,7 @@ select_clause: '(' select_clause ')'
}
;
SubSelect: SELECT opt_unique res_target_list2
SubSelect: SELECT opt_unique target_list
result from_clause where_clause
group_clause having_clause
{
......@@ -3112,13 +3119,13 @@ relation_expr: relation_name
$$ = cat2_str($1, make1_str("*"));
}
opt_array_bounds: '[' ']' nest_array_bounds
opt_array_bounds: '[' ']' opt_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '[' Iresult ']' nest_array_bounds
| '[' Iresult ']' opt_array_bounds
{
char *txt = mm_alloc(20L);
......@@ -3135,29 +3142,6 @@ opt_array_bounds: '[' ']' nest_array_bounds
}
;
nest_array_bounds: '[' ']' nest_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '[' Iresult ']' nest_array_bounds
{
char *txt = mm_alloc(20L);
sprintf (txt, "%d", $2);
$$.index1 = $2;
$$.index2 = $4.index1;
$$.str = cat4_str(make1_str("["), txt, make1_str("]"), $4.str);
}
| /* EMPTY */
{
$$.index1 = -1;
$$.index2 = -1;
$$.str= make1_str("");
}
;
Iresult: Iconst { $$ = atol($1); }
| '(' Iresult ')' { $$ = $2; }
| Iresult '+' Iresult { $$ = $1 + $3; }
......@@ -3178,17 +3162,17 @@ Iresult: Iconst { $$ = atol($1); }
*
*****************************************************************************/
Typename: Array opt_array_bounds
Typename: SimpleTypename opt_array_bounds
{
$$ = cat2_str($1, $2.str);
}
| SETOF Array
| SETOF SimpleTypename
{
$$ = cat2_str(make1_str("setof"), $2);
}
;
Array: Generic { $$ = $1; }
SimpleTypename: Generic { $$ = $1; }
| Datetime { $$ = $1; }
| Numeric { $$ = $1; }
| Character { $$ = $1; }
......@@ -3349,7 +3333,7 @@ Character: character '(' Iconst ')'
yyerror(errortext);
}
else if (atol($3) > MaxAttrSize) {
sprintf(errortext, "length for type '%s' cannot exceed %ld",$1,(long) MaxAttrSize);
sprintf(errortext, "length for type '%s' cannot exceed %ld", $1, MaxAttrSize);
yyerror(errortext);
}
......@@ -3514,24 +3498,28 @@ row_list: row_list ',' a_expr
* if surrounded by parens.
*/
a_expr: attr opt_indirection
a_expr: attr
{
$$ = cat2_str($1, $2);
$$ = $1;
}
| row_expr
{ $$ = $1; }
| AexprConst
{ $$ = $1; }
| ColId
| ColId opt_indirection
{
$$ = $1;
$$ = cat2_str($1, $2);
}
| '-' a_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' a_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| '^' a_expr
{ $$ = cat2_str(make1_str("^"), $2); }
| a_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| a_expr '^'
{ $$ = cat2_str($1, make1_str("^")); }
| a_expr '+' a_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
| a_expr '-' a_expr
......@@ -3542,6 +3530,8 @@ a_expr: attr opt_indirection
{ $$ = cat3_str($1, make1_str("%"), $3); }
| a_expr '*' a_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| a_expr '^' a_expr
{ $$ = cat3_str($1, make1_str("^"), $3); }
| a_expr '<' a_expr
{ $$ = cat3_str($1, make1_str("<"), $3); }
| a_expr '>' a_expr
......@@ -3826,22 +3816,26 @@ a_expr: attr opt_indirection
* defined by a_expr. b_expr is used in BETWEEN clauses
* to eliminate parser ambiguities stemming from the AND keyword.
*/
b_expr: attr opt_indirection
b_expr: attr
{
$$ = cat2_str($1, $2);
$$ = $1
}
| AexprConst
{ $$ = $1; }
| ColId
| ColId opt_indirection
{
$$ = $1;
$$ = cat2_str($1, $2);
}
| '-' b_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' b_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| '^' b_expr
{ $$ = cat2_str(make1_str("^"), $2); }
| b_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| b_expr '^'
{ $$ = cat2_str($1, make1_str("^")); }
| b_expr '+' b_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
| b_expr '-' b_expr
......@@ -3852,6 +3846,8 @@ b_expr: attr opt_indirection
{ $$ = cat3_str($1, make1_str("%"), $3); }
| b_expr '*' b_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| b_expr '^' b_expr
{ $$ = cat3_str($1, make1_str("^"), $3); }
/* not possible in embedded sql | ':' b_expr
{ $$ = cat2_str(make1_str(":"), $2); }
*/
......@@ -3979,87 +3975,13 @@ extract_arg: datetime { $$ = $1; }
| TIMEZONE_MINUTE { $$ = make1_str("timezone_minute"); }
;
position_list: position_expr IN position_expr
/* position_list uses b_expr not a_expr to avoid conflict with general IN */
position_list: b_expr IN b_expr
{ $$ = cat3_str($1, make1_str("in"), $3); }
| /* EMPTY */
{ $$ = make1_str(""); }
;
position_expr: attr opt_indirection
{
$$ = cat2_str($1, $2);
}
| AexprConst
{ $$ = $1; }
| '-' position_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
| position_expr '+' position_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
| position_expr '-' position_expr
{ $$ = cat3_str($1, make1_str("-"), $3); }
| position_expr '/' position_expr
{ $$ = cat3_str($1, make1_str("/"), $3); }
| position_expr '%' position_expr
{ $$ = cat3_str($1, make1_str("%"), $3); }
| position_expr '*' position_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| '|' position_expr
{ $$ = cat2_str(make1_str("|"), $2); }
| position_expr TYPECAST Typename
{
$$ = cat3_str($1, make1_str("::"), $3);
}
| CAST '(' position_expr AS Typename ')'
{
$$ = cat3_str(make2_str(make1_str("cast("), $3), make1_str("as"), make2_str($5, make1_str(")")));
}
| '(' position_expr ')'
{ $$ = make3_str(make1_str("("), $2, make1_str(")")); }
| position_expr Op position_expr
{ $$ = cat3_str($1, $2, $3); }
| Op position_expr
{ $$ = cat2_str($1, $2); }
| position_expr Op
{ $$ = cat2_str($1, $2); }
| ColId
{
$$ = $1;
}
| func_name '(' ')'
{
$$ = cat2_str($1, make1_str("()"));
}
| func_name '(' expr_list ')'
{
$$ = make4_str($1, make1_str("("), $3, make1_str(")"));
}
| POSITION '(' position_list ')'
{
$$ = make3_str(make1_str("position("), $3, make1_str(")"));
}
| SUBSTRING '(' substr_list ')'
{
$$ = make3_str(make1_str("substring("), $3, make1_str(")"));
}
/* various trim expressions are defined in SQL92 - thomas 1997-07-19 */
| TRIM '(' BOTH trim_list ')'
{
$$ = make3_str(make1_str("trim(both"), $4, make1_str(")"));
}
| TRIM '(' LEADING trim_list ')'
{
$$ = make3_str(make1_str("trim(leading"), $4, make1_str(")"));
}
| TRIM '(' TRAILING trim_list ')'
{
$$ = make3_str(make1_str("trim(trailing"), $4, make1_str(")"));
}
| TRIM '(' trim_list ')'
{
$$ = make3_str(make1_str("trim("), $3, make1_str(")"));
}
;
substr_list: expr_list substr_from substr_for
{
$$ = cat3_str($1, $2, $3);
......@@ -4163,25 +4085,20 @@ case_default: ELSE a_expr_or_null { $$ = cat2_str(make1_str("else"), $2); }
| /*EMPTY*/ { $$ = make1_str(""); }
;
case_arg: attr opt_indirection
{
$$ = cat2_str($1, $2);
}
| ColId
{
case_arg: a_expr {
$$ = $1;
}
| /*EMPTY*/
{ $$ = make1_str(""); }
;
attr: relation_name '.' attrs
attr: relation_name '.' attrs opt_indirection
{
$$ = make3_str($1, make1_str("."), $3);
$$ = make4_str($1, make1_str("."), $3, $4);
}
| ParamNo '.' attrs
| ParamNo '.' attrs opt_indirection
{
$$ = make3_str($1, make1_str("."), $3);
$$ = make4_str($1, make1_str("."), $3, $4);
}
;
......@@ -4200,40 +4117,15 @@ attrs: attr_name
*
*****************************************************************************/
res_target_list: res_target_list ',' res_target_el
{ $$ = cat3_str($1, make1_str(","),$3); }
| res_target_el
{ $$ = $1; }
| '*' { $$ = make1_str("*"); }
;
res_target_el: ColId opt_indirection '=' a_expr_or_null
{
$$ = cat4_str($1, $2, make1_str("="), $4);
}
| attr opt_indirection
{
$$ = cat2_str($1, $2);
}
| relation_name '.' '*'
{
$$ = make2_str($1, make1_str(".*"));
}
;
/*
** target list for select.
** should get rid of the other but is still needed by the defunct select into
** and update (uses a subset)
*/
res_target_list2: res_target_list2 ',' res_target_el2
/* Target lists as found in SELECT ... and INSERT VALUES ( ... ) */
target_list: target_list ',' target_el
{ $$ = cat3_str($1, make1_str(","), $3); }
| res_target_el2
| target_el
{ $$ = $1; }
;
/* AS is not optional because shift/red conflict with unary ops */
res_target_el2: a_expr_or_null AS ColLabel
target_el: a_expr_or_null AS ColLabel
{
$$ = cat3_str($1, make1_str("as"), $3);
}
......@@ -4251,10 +4143,26 @@ res_target_el2: a_expr_or_null AS ColLabel
}
;
opt_id: ColId { $$ = $1; }
| /* EMPTY */ { $$ = make1_str(""); }
/* Target list as found in UPDATE table SET ... */
update_target_list: update_target_list ',' update_target_el
{ $$ = cat3_str($1, make1_str(","),$3); }
| update_target_el
{ $$ = $1; }
| '*' { $$ = make1_str("*"); }
;
update_target_el: ColId opt_indirection '=' a_expr_or_null
{
$$ = cat4_str($1, $2, make1_str("="), $4);
}
;
/*****************************************************************************
*
* Names and constants
*
*****************************************************************************/
relation_name: SpecialRuleRelation
{
$$ = $1;
......@@ -4303,7 +4211,10 @@ AexprConst: Iconst
{
$$ = $1;
}
| Typename Sconst
/* this rule formerly used Typename, but that causes reduce conf licts
* with subscripted column names ...
*/
| SimpleTypename Sconst
{
$$ = cat2_str($1, $2);
}
......@@ -5170,19 +5081,19 @@ ECPGTypedef: TYPE_P symbol IS ctype opt_type_array_bounds opt_reference
$$ = cat5_str(cat3_str(make1_str("/* exec sql type"), mm_strdup($2), make1_str("is")), mm_strdup($4.type_str), mm_strdup($5.str), $6, make1_str("*/"));
}
opt_type_array_bounds: '[' ']' nest_type_array_bounds
opt_type_array_bounds: '[' ']' opt_type_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '(' ')' nest_type_array_bounds
| '(' ')' opt_type_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '[' Iresult ']' nest_type_array_bounds
| '[' Iresult ']' opt_type_array_bounds
{
char *txt = mm_alloc(20L);
......@@ -5191,7 +5102,7 @@ opt_type_array_bounds: '[' ']' nest_type_array_bounds
$$.index2 = $4.index1;
$$.str = cat4_str(make1_str("["), txt, make1_str("]"), $4.str);
}
| '(' Iresult ')' nest_type_array_bounds
| '(' Iresult ')' opt_type_array_bounds
{
char *txt = mm_alloc(20L);
......@@ -5208,43 +5119,6 @@ opt_type_array_bounds: '[' ']' nest_type_array_bounds
}
;
nest_type_array_bounds: '[' ']' nest_type_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '(' ')' nest_type_array_bounds
{
$$.index1 = 0;
$$.index2 = $3.index1;
$$.str = cat2_str(make1_str("[]"), $3.str);
}
| '[' Iresult ']' nest_type_array_bounds
{
char *txt = mm_alloc(20L);
sprintf (txt, "%d", $2);
$$.index1 = $2;
$$.index2 = $4.index1;
$$.str = cat4_str(make1_str("["), txt, make1_str("]"), $4.str);
}
| '(' Iresult ')' nest_type_array_bounds
{
char *txt = mm_alloc(20L);
sprintf (txt, "%d", $2);
$$.index1 = $2;
$$.index2 = $4.index1;
$$.str = cat4_str(make1_str("["), txt, make1_str("]"), $4.str);
}
| /* EMPTY */
{
$$.index1 = -1;
$$.index2 = -1;
$$.str= make1_str("");
}
;
opt_reference: SQL_REFERENCE { $$ = make1_str("reference"); }
| /* empty */ { $$ = make1_str(""); }
......@@ -5585,24 +5459,28 @@ action : SQL_CONTINUE {
}
/* some other stuff for ecpg */
ecpg_expr: attr opt_indirection
ecpg_expr: attr
{
$$ = cat2_str($1, $2);
$$ = $1;
}
| row_expr
{ $$ = $1; }
| AexprConst
{ $$ = $1; }
| ColId
| ColId opt_indirection
{
$$ = $1;
$$ = cat2_str($1, $2);
}
| '-' ecpg_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' ecpg_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| '^' ecpg_expr
{ $$ = cat2_str(make1_str("^"), $2); }
| a_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| a_expr '^'
{ $$ = cat2_str($1, make1_str("^")); }
| a_expr '+' ecpg_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
| a_expr '-' ecpg_expr
......@@ -5613,6 +5491,8 @@ ecpg_expr: attr opt_indirection
{ $$ = cat3_str($1, make1_str("%"), $3); }
| a_expr '*' ecpg_expr
{ $$ = cat3_str($1, make1_str("*"), $3); }
| a_expr '^' ecpg_expr
{ $$ = cat3_str($1, make1_str("^"), $3); }
| a_expr '<' ecpg_expr
{ $$ = cat3_str($1, make1_str("<"), $3); }
| a_expr '>' ecpg_expr
......
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