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Postgres FD Implementation
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Abuhujair Javed
Postgres FD Implementation
Commits
d471f807
Commit
d471f807
authored
Mar 24, 1999
by
Michael Meskes
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parent
9abf246b
Changes
8
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8 changed files
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65 additions
and
35 deletions
+65
-35
src/interfaces/ecpg/ChangeLog
src/interfaces/ecpg/ChangeLog
+9
-0
src/interfaces/ecpg/TODO
src/interfaces/ecpg/TODO
+3
-2
src/interfaces/ecpg/include/ecpglib.h
src/interfaces/ecpg/include/ecpglib.h
+1
-1
src/interfaces/ecpg/lib/ecpglib.c
src/interfaces/ecpg/lib/ecpglib.c
+5
-5
src/interfaces/ecpg/preproc/extern.h
src/interfaces/ecpg/preproc/extern.h
+1
-0
src/interfaces/ecpg/preproc/pgc.l
src/interfaces/ecpg/preproc/pgc.l
+3
-2
src/interfaces/ecpg/preproc/preproc.y
src/interfaces/ecpg/preproc/preproc.y
+43
-24
src/interfaces/ecpg/preproc/type.c
src/interfaces/ecpg/preproc/type.c
+0
-1
No files found.
src/interfaces/ecpg/ChangeLog
View file @
d471f807
...
@@ -535,5 +535,14 @@ Sat Mar 20 19:57:42 CET 1999
...
@@ -535,5 +535,14 @@ Sat Mar 20 19:57:42 CET 1999
- Synced preproc.y with gram.y.
- Synced preproc.y with gram.y.
- Fixed handling of ';' character.
- Fixed handling of ';' character.
Sun Mar 21 13:05:50 CET 1999
- Synced preproc.y with gram.y.
Mon Mar 22 19:22:38 CET 1999
- Fixed incorrect password entry in parser.
- Made no_auto_trans available for each connection seperately.
- Set library version to 3.0.0
- Set library version to 3.0.0
- Set ecpg version to 2.6.0
- Set ecpg version to 2.6.0
src/interfaces/ecpg/TODO
View file @
d471f807
The complete structure definition has to be listed inside the declare
The complete structure definition has to be listed inside the declare
section of the structure variable for ecpg to be able to understand it.
section of the structure variable for ecpg to be able to understand it.
Variable type bool has to be tested. I never used it so far.
The error message for "no data" in an exec sql insert select from statement
The error message for "no data" in an exec sql insert select from statement
has to be 100.
has to be 100.
...
@@ -13,6 +11,9 @@ it would be nice to be able to use :var[:index] as cvariable
...
@@ -13,6 +11,9 @@ it would be nice to be able to use :var[:index] as cvariable
support for dynamic SQL with unknown number of variables with DESCRIPTORS
support for dynamic SQL with unknown number of variables with DESCRIPTORS
The line numbering is not exact.
Missing statements:
Missing statements:
- exec sql allocate
- exec sql allocate
- exec sql deallocate
- SQLSTATE
- SQLSTATE
src/interfaces/ecpg/include/ecpglib.h
View file @
d471f807
...
@@ -8,7 +8,7 @@ extern "C"
...
@@ -8,7 +8,7 @@ extern "C"
void
ECPGdebug
(
int
,
FILE
*
);
void
ECPGdebug
(
int
,
FILE
*
);
bool
ECPGstatus
(
int
,
const
char
*
);
bool
ECPGstatus
(
int
,
const
char
*
);
bool
ECPGsetconn
(
int
,
const
char
*
);
bool
ECPGsetconn
(
int
,
const
char
*
);
bool
ECPGconnect
(
int
,
const
char
*
,
const
char
*
,
const
char
*
,
const
char
*
);
bool
ECPGconnect
(
int
,
const
char
*
,
const
char
*
,
const
char
*
,
const
char
*
,
int
);
bool
ECPGdo
(
int
,
const
char
*
,
char
*
,...);
bool
ECPGdo
(
int
,
const
char
*
,
char
*
,...);
bool
ECPGtrans
(
int
,
const
char
*
,
const
char
*
);
bool
ECPGtrans
(
int
,
const
char
*
,
const
char
*
);
bool
ECPGdisconnect
(
int
,
const
char
*
);
bool
ECPGdisconnect
(
int
,
const
char
*
);
...
...
src/interfaces/ecpg/lib/ecpglib.c
View file @
d471f807
...
@@ -26,8 +26,6 @@
...
@@ -26,8 +26,6 @@
#include <sqlca.h>
#include <sqlca.h>
/* variables visible to the programs */
/* variables visible to the programs */
int
no_auto_trans
;
static
struct
sqlca
sqlca_init
=
static
struct
sqlca
sqlca_init
=
{
{
{
'S'
,
'Q'
,
'L'
,
'C'
,
'A'
,
' '
,
' '
,
' '
},
{
'S'
,
'Q'
,
'L'
,
'C'
,
'A'
,
' '
,
' '
,
' '
},
...
@@ -56,7 +54,8 @@ static struct connection
...
@@ -56,7 +54,8 @@ static struct connection
{
{
char
*
name
;
char
*
name
;
PGconn
*
connection
;
PGconn
*
connection
;
int
committed
;
bool
committed
;
int
no_auto_trans
;
struct
connection
*
next
;
struct
connection
*
next
;
}
*
all_connections
=
NULL
,
*
actual_connection
=
NULL
;
}
*
all_connections
=
NULL
,
*
actual_connection
=
NULL
;
...
@@ -633,7 +632,7 @@ ECPGexecute(struct statement * stmt)
...
@@ -633,7 +632,7 @@ ECPGexecute(struct statement * stmt)
/* Now the request is built. */
/* Now the request is built. */
if
(
stmt
->
connection
->
committed
&&
!
no_auto_trans
)
if
(
stmt
->
connection
->
committed
&&
!
stmt
->
connection
->
no_auto_trans
)
{
{
if
((
results
=
PQexec
(
stmt
->
connection
->
connection
,
"begin transaction"
))
==
NULL
)
if
((
results
=
PQexec
(
stmt
->
connection
->
connection
,
"begin transaction"
))
==
NULL
)
{
{
...
@@ -1144,7 +1143,7 @@ ECPGsetconn(int lineno, const char *connection_name)
...
@@ -1144,7 +1143,7 @@ ECPGsetconn(int lineno, const char *connection_name)
}
}
bool
bool
ECPGconnect
(
int
lineno
,
const
char
*
dbname
,
const
char
*
user
,
const
char
*
passwd
,
const
char
*
connection_name
)
ECPGconnect
(
int
lineno
,
const
char
*
dbname
,
const
char
*
user
,
const
char
*
passwd
,
const
char
*
connection_name
,
int
no_auto_trans
)
{
{
struct
connection
*
this
=
(
struct
connection
*
)
ecpg_alloc
(
sizeof
(
struct
connection
),
lineno
);
struct
connection
*
this
=
(
struct
connection
*
)
ecpg_alloc
(
sizeof
(
struct
connection
),
lineno
);
...
@@ -1182,6 +1181,7 @@ ECPGconnect(int lineno, const char *dbname, const char *user, const char *passwd
...
@@ -1182,6 +1181,7 @@ ECPGconnect(int lineno, const char *dbname, const char *user, const char *passwd
}
}
this
->
committed
=
true
;
this
->
committed
=
true
;
this
->
no_auto_trans
=
no_auto_trans
;
return
true
;
return
true
;
}
}
...
...
src/interfaces/ecpg/preproc/extern.h
View file @
d471f807
...
@@ -23,6 +23,7 @@ extern struct arguments *argsresult;
...
@@ -23,6 +23,7 @@ extern struct arguments *argsresult;
/* functions */
/* functions */
extern
void
output_line_number
(
void
);
extern
void
lex_init
(
void
);
extern
void
lex_init
(
void
);
extern
char
*
input_filename
;
extern
char
*
input_filename
;
extern
int
yyparse
(
void
);
extern
int
yyparse
(
void
);
...
...
src/interfaces/ecpg/preproc/pgc.l
View file @
d471f807
...
@@ -149,12 +149,12 @@ real [\-]?(((({digit}*\.{digit}+)|({digit}+\.{digit}*))([Ee][-+]?{digit}+)?)|(
...
@@ -149,12 +149,12 @@ real [\-]?(((({digit}*\.{digit}+)|({digit}+\.{digit}*))([Ee][-+]?{digit}+)?)|(
param \${integer}
param \${integer}
comment ("--"|"//").*\n
comment ("--"|"//").*\n
ccomment "//".*\n
space [ \t\n\f]
space [ \t\n\f]
other .
other .
/* some stuff needed for ecpg */
/* some stuff needed for ecpg */
ccomment "//".*\n
exec [eE][xX][eE][cC]
exec [eE][xX][eE][cC]
define [dD][eE][fF][iI][nN][eE]
define [dD][eE][fF][iI][nN][eE]
include [iI][nN][cC][lL][uU][dD][eE]
include [iI][nN][cC][lL][uU][dD][eE]
...
@@ -659,6 +659,7 @@ cppline {space}*#.*(\\{space}*\n)*\n*
...
@@ -659,6 +659,7 @@ cppline {space}*#.*(\\{space}*\n)*\n*
input_filename = mm_strdup(inc_file);
input_filename = mm_strdup(inc_file);
yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE ));
yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE ));
yylineno = 0;
yylineno = 0;
output_line_number();
BEGIN C;
BEGIN C;
}
}
...
@@ -682,9 +683,9 @@ cppline {space}*#.*(\\{space}*\n)*\n*
...
@@ -682,9 +683,9 @@ cppline {space}*#.*(\\{space}*\n)*\n*
yy_buffer = yy_buffer->next;
yy_buffer = yy_buffer->next;
free(yb);
free(yb);
output_line_number();
}
}
}
}
%%
%%
void
void
lex_init(void)
lex_init(void)
...
...
src/interfaces/ecpg/preproc/preproc.y
View file @
d471f807
...
@@ -37,11 +37,19 @@ struct ECPGtype ecpg_query = {ECPGt_char_variable, 0L, {NULL}};
...
@@ -37,11 +37,19 @@ struct ECPGtype ecpg_query = {ECPGt_char_variable, 0L, {NULL}};
*/
*/
char * input_filename = NULL;
char * input_filename = NULL;
static
void
void
output_line_number()
output_line_number()
{
{
if (input_filename)
if (input_filename)
fprintf(yyout, "\n#line %d \"%s\"\n", yylineno, input_filename);
fprintf(yyout, "\n#line %d \"%s\"\n", yylineno + 1, input_filename);
}
static void
output_simple_statement(char *cmd)
{
fputs(cmd, yyout);
output_line_number();
free(cmd);
}
}
/*
/*
...
@@ -883,10 +891,7 @@ stmt: AddAttrStmt { output_statement($1, 0); }
...
@@ -883,10 +891,7 @@ stmt: AddAttrStmt { output_statement($1, 0); }
| RevokeStmt { output_statement($1, 0); }
| RevokeStmt { output_statement($1, 0); }
| OptimizableStmt {
| OptimizableStmt {
if (strncmp($1, "/* " , sizeof("/* ")-1) == 0)
if (strncmp($1, "/* " , sizeof("/* ")-1) == 0)
{
output_simple_statement($1);
fputs($1, yyout);
free($1);
}
else
else
output_statement($1, 1);
output_statement($1, 1);
}
}
...
@@ -908,14 +913,12 @@ stmt: AddAttrStmt { output_statement($1, 0); }
...
@@ -908,14 +913,12 @@ stmt: AddAttrStmt { output_statement($1, 0); }
if (connection)
if (connection)
yyerror("no at option for connect statement.\n");
yyerror("no at option for connect statement.\n");
fprintf(yyout, "no_auto_trans = %d;\n", no_auto_trans);
fprintf(yyout, "ECPGconnect(__LINE__, %s, %d);", $1, no_auto_trans);
fprintf(yyout, "ECPGconnect(__LINE__, %s);", $1);
whenever_action(0);
whenever_action(0);
free($1);
free($1);
}
}
| ECPGCursorStmt {
| ECPGCursorStmt {
fputs($1, yyout);
output_simple_statement($1);
free($1);
}
}
| ECPGDeallocate {
| ECPGDeallocate {
if (connection)
if (connection)
...
@@ -926,8 +929,7 @@ stmt: AddAttrStmt { output_statement($1, 0); }
...
@@ -926,8 +929,7 @@ stmt: AddAttrStmt { output_statement($1, 0); }
free($1);
free($1);
}
}
| ECPGDeclare {
| ECPGDeclare {
fputs($1, yyout);
output_simple_statement($1);
free($1);
}
}
| ECPGDisconnect {
| ECPGDisconnect {
if (connection)
if (connection)
...
@@ -991,23 +993,19 @@ stmt: AddAttrStmt { output_statement($1, 0); }
...
@@ -991,23 +993,19 @@ stmt: AddAttrStmt { output_statement($1, 0); }
if (connection)
if (connection)
yyerror("no at option for typedef statement.\n");
yyerror("no at option for typedef statement.\n");
fputs($1, yyout);
output_simple_statement($1);
free($1);
}
}
| ECPGVar {
| ECPGVar {
if (connection)
if (connection)
yyerror("no at option for var statement.\n");
yyerror("no at option for var statement.\n");
fputs($1, yyout);
output_simple_statement($1);
free($1);
}
}
| ECPGWhenever {
| ECPGWhenever {
if (connection)
if (connection)
yyerror("no at option for whenever statement.\n");
yyerror("no at option for whenever statement.\n");
fputs($1, yyout);
output_simple_statement($1);
output_line_number();
free($1);
}
}
;
;
...
@@ -3572,6 +3570,10 @@ a_expr: attr opt_indirection
...
@@ -3572,6 +3570,10 @@ a_expr: attr opt_indirection
}
}
| '-' a_expr %prec UMINUS
| '-' a_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' a_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| a_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| a_expr '+' a_expr
| a_expr '+' a_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
{ $$ = cat3_str($1, make1_str("+"), $3); }
| a_expr '-' a_expr
| a_expr '-' a_expr
...
@@ -3663,7 +3665,6 @@ a_expr: attr opt_indirection
...
@@ -3663,7 +3665,6 @@ a_expr: attr opt_indirection
{
{
$$ = make1_str("user");
$$ = make1_str("user");
}
}
| EXISTS '(' SubSelect ')'
| EXISTS '(' SubSelect ')'
{
{
$$ = make3_str(make1_str("exists("), $3, make1_str(")"));
$$ = make3_str(make1_str("exists("), $3, make1_str(")"));
...
@@ -3879,6 +3880,10 @@ b_expr: attr opt_indirection
...
@@ -3879,6 +3880,10 @@ b_expr: attr opt_indirection
}
}
| '-' b_expr %prec UMINUS
| '-' b_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' b_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| b_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| b_expr '+' b_expr
| b_expr '+' b_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
{ $$ = cat3_str($1, make1_str("+"), $3); }
| b_expr '-' b_expr
| b_expr '-' b_expr
...
@@ -4677,7 +4682,7 @@ ora_user: user_name
...
@@ -4677,7 +4682,7 @@ ora_user: user_name
{
{
$$ = make2_str($1, make1_str(",NULL"));
$$ = make2_str($1, make1_str(",NULL"));
}
}
| user_name '/'
ColId
| user_name '/'
user_name
{
{
$$ = make3_str($1, make1_str(","), $3);
$$ = make3_str($1, make1_str(","), $3);
}
}
...
@@ -5604,6 +5609,10 @@ ecpg_expr: attr opt_indirection
...
@@ -5604,6 +5609,10 @@ ecpg_expr: attr opt_indirection
}
}
| '-' ecpg_expr %prec UMINUS
| '-' ecpg_expr %prec UMINUS
{ $$ = cat2_str(make1_str("-"), $2); }
{ $$ = cat2_str(make1_str("-"), $2); }
| '%' ecpg_expr
{ $$ = cat2_str(make1_str("%"), $2); }
| a_expr '%'
{ $$ = cat2_str($1, make1_str("%")); }
| a_expr '+' ecpg_expr
| a_expr '+' ecpg_expr
{ $$ = cat3_str($1, make1_str("+"), $3); }
{ $$ = cat3_str($1, make1_str("+"), $3); }
| a_expr '-' ecpg_expr
| a_expr '-' ecpg_expr
...
@@ -5618,6 +5627,10 @@ ecpg_expr: attr opt_indirection
...
@@ -5618,6 +5627,10 @@ ecpg_expr: attr opt_indirection
{ $$ = cat3_str($1, make1_str("<"), $3); }
{ $$ = cat3_str($1, make1_str("<"), $3); }
| a_expr '>' ecpg_expr
| a_expr '>' ecpg_expr
{ $$ = cat3_str($1, make1_str(">"), $3); }
{ $$ = cat3_str($1, make1_str(">"), $3); }
| a_expr '=' NULL_P
{ $$ = cat2_str($1, make1_str("= NULL")); }
| NULL_P '=' a_expr
{ $$ = cat2_str(make1_str("= NULL"), $3); }
| a_expr '=' ecpg_expr
| a_expr '=' ecpg_expr
{ $$ = cat3_str($1, make1_str("="), $3); }
{ $$ = cat3_str($1, make1_str("="), $3); }
/* | ':' ecpg_expr
/* | ':' ecpg_expr
...
@@ -5686,6 +5699,10 @@ ecpg_expr: attr opt_indirection
...
@@ -5686,6 +5699,10 @@ ecpg_expr: attr opt_indirection
{
{
$$ = make1_str("current_user");
$$ = make1_str("current_user");
}
}
| USER
{
$$ = make1_str("user");
}
| EXISTS '(' SubSelect ')'
| EXISTS '(' SubSelect ')'
{
{
$$ = make3_str(make1_str("exists("), $3, make1_str(")"));
$$ = make3_str(make1_str("exists("), $3, make1_str(")"));
...
@@ -5758,11 +5775,11 @@ ecpg_expr: attr opt_indirection
...
@@ -5758,11 +5775,11 @@ ecpg_expr: attr opt_indirection
}
}
| a_expr IN '(' in_expr ')'
| a_expr IN '(' in_expr ')'
{
{
$$ = make4_str($1, make1_str("in ("), $4, make1_str(")"));
$$ = make4_str($1, make1_str("
in ("), $4, make1_str(")"));
}
}
| a_expr NOT IN '(' not_in_expr ')'
| a_expr NOT IN '(' not_in_expr ')'
{
{
$$ = make4_str($1, make1_str("not in ("), $5, make1_str(")"));
$$ = make4_str($1, make1_str("
not in ("), $5, make1_str(")"));
}
}
| a_expr Op '(' SubSelect ')'
| a_expr Op '(' SubSelect ')'
{
{
...
@@ -5838,7 +5855,7 @@ ecpg_expr: attr opt_indirection
...
@@ -5838,7 +5855,7 @@ ecpg_expr: attr opt_indirection
}
}
| a_expr Op ALL '(' SubSelect ')'
| a_expr Op ALL '(' SubSelect ')'
{
{
$$ =
make
3_str($1, $2, make3_str(make1_str("all ("), $5, make1_str(")")));
$$ =
cat
3_str($1, $2, make3_str(make1_str("all ("), $5, make1_str(")")));
}
}
| a_expr '+' ALL '(' SubSelect ')'
| a_expr '+' ALL '(' SubSelect ')'
{
{
...
@@ -5878,6 +5895,8 @@ ecpg_expr: attr opt_indirection
...
@@ -5878,6 +5895,8 @@ ecpg_expr: attr opt_indirection
{ $$ = cat3_str($1, make1_str("or"), $3); }
{ $$ = cat3_str($1, make1_str("or"), $3); }
| NOT ecpg_expr
| NOT ecpg_expr
{ $$ = cat2_str(make1_str("not"), $2); }
{ $$ = cat2_str(make1_str("not"), $2); }
| case_expr
{ $$ = $1; }
| civariableonly
| civariableonly
{ $$ = $1; }
{ $$ = $1; }
;
;
...
...
src/interfaces/ecpg/preproc/type.c
View file @
d471f807
...
@@ -269,7 +269,6 @@ ECPGdump_a_simple(FILE *o, const char *name, enum ECPGttype typ,
...
@@ -269,7 +269,6 @@ ECPGdump_a_simple(FILE *o, const char *name, enum ECPGttype typ,
char
*
variable
=
(
char
*
)
mm_alloc
(
strlen
(
name
)
+
((
prefix
==
NULL
)
?
0
:
strlen
(
prefix
))
+
4
);
char
*
variable
=
(
char
*
)
mm_alloc
(
strlen
(
name
)
+
((
prefix
==
NULL
)
?
0
:
strlen
(
prefix
))
+
4
);
char
*
offset
=
(
char
*
)
mm_alloc
(
strlen
(
name
)
+
strlen
(
"sizeof(struct varchar_)"
)
+
1
);
char
*
offset
=
(
char
*
)
mm_alloc
(
strlen
(
name
)
+
strlen
(
"sizeof(struct varchar_)"
)
+
1
);
/* if (varcharsize == 0 || arrsize >= 0)*/
/* we have to use the pointer except for arrays with given bounds */
/* we have to use the pointer except for arrays with given bounds */
if
(
arrsize
>
0
)
if
(
arrsize
>
0
)
sprintf
(
variable
,
"(%s%s)"
,
prefix
?
prefix
:
""
,
name
);
sprintf
(
variable
,
"(%s%s)"
,
prefix
?
prefix
:
""
,
name
);
...
...
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