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Postgres FD Implementation
Commit 03842eb0 authored by Michael Meskes's avatar Michael Meskes
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parent 9db6b7f3
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src/interfaces/ecpg/lib/ecpglib.c
View file @ 03842eb0
......@@ -113,7 +113,7 @@ register_error(long code, char *fmt,...)
va_end(args);
sqlca.sqlerrm.sqlerrml = strlen(sqlca.sqlerrm.sqlerrmc);
/* free all memory we allocate for the user */
/* free all memory we have allocated for the user */
for (am = auto_allocs; am;)
{
struct auto_mem *act = am;
......@@ -178,7 +178,7 @@ ECPGfinish(struct connection * act)
static char *
ecpg_alloc(long size, int lineno)
{
char *new = (char *) malloc(size);
char *new = (char *) calloc(1L, size);
if (!new)
{
......@@ -344,7 +344,7 @@ create_statement(int lineno, struct connection *connection, struct statement **
var->varcharsize = va_arg(ap, long);
var->arrsize = va_arg(ap, long);
var->offset = va_arg(ap, long);
if (var->arrsize == 0 || var->varcharsize == 0)
var->value = *((void **)(var->pointer));
else
......@@ -710,6 +710,8 @@ ECPGexecute(struct statement * stmt)
*/
if (var->arrsize == 0 || var->varcharsize == 0)
{
int len = 0;
switch(var->type)
{
case ECPGt_char:
......@@ -720,38 +722,26 @@ ECPGexecute(struct statement * stmt)
/* check strlen for each tuple */
for (act_tuple = 0; act_tuple < ntuples; act_tuple++)
{
int len = strlen(PQgetvalue(results, act_tuple, act_field));
int len = strlen(PQgetvalue(results, act_tuple, act_field)) + 1;
if (len > var->varcharsize)
var->varcharsize = len;
}
var->offset *= var->varcharsize;
add_mem((void *)(var->value) = *((void **)(var->pointer)) = (void *) ecpg_alloc(var->offset * ntuples, stmt->lineno), stmt->lineno);
len = var->offset * ntuples;
}
break;
#if 0
case ECPGt_varchar:
if (((struct ECPGgeneric_varchar *)var->value)->arr == NULL)
{
var->varcharsize = 0;
/* check strlen for each tuple */
for (act_tuple = 0; act_tuple < ntuples; act_tuple++)
{
int len = strlen(PQgetvalue(results, act_tuple, act_field));
if (len > var->varcharsize)
var->varcharsize = len;
((struct ECPGgeneric_varchar *) ((long) var->value + var->offset * act_tuple))->arr = (char *) ecpg_alloc(len, stmt->lineno);
}
}
if (var->value == NULL)
len = ntuples * (var->varcharsize + sizeof (int));
break;
#endif
default:
if (var->value == NULL)
add_mem((void *)(var->value) = *((void **)(var->pointer)) = (void *) ecpg_alloc(var->offset * ntuples, stmt->lineno), stmt->lineno);
len = var->offset * ntuples;
break;
}
add_mem((void *)(var->value) = *((void **)(var->pointer)) = (void *) ecpg_alloc(len, stmt->lineno), stmt->lineno);
}
for (act_tuple = 0; act_tuple < ntuples && status; act_tuple++)
......
src/interfaces/ecpg/preproc/preproc.y
View file @ 03842eb0
......@@ -573,6 +573,9 @@ adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dim
*dimension = type_dimension;
}
if (*length >= 0 && *dimension >= 0 && pointer)
yyerror("No multi-dimensional array support");
switch (type_enum)
{
case ECPGt_struct:
......@@ -589,9 +592,9 @@ adjust_array(enum ECPGttype type_enum, int *dimension, int *length, int type_dim
break;
case ECPGt_varchar:
/* pointer has to get length 0 */
/* pointer has to get dimension 0 */
if (pointer)
*length=0;
*dimension = 0;
/* one index is the string length */
if (*length < 0)
......@@ -3721,11 +3724,11 @@ a_expr: attr opt_indirection
}
| 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 ')'
{
$$ = make4_str($1, make1_str("not in ("), $5, make1_str(")"));
$$ = make4_str($1, make1_str(" not in ("), $5, make1_str(")"));
}
| a_expr Op '(' SubSelect ')'
{
......@@ -4838,7 +4841,8 @@ type: simple_type
{
$$.type_str = $1;
$$.type_enum = ECPGt_int;
$$.type_dimension = -1;
$$.type_dimension = -1;
$$.type_index = -1;
}
| symbol
......@@ -4846,7 +4850,7 @@ type: simple_type
/* this is for typedef'ed types */
struct typedefs *this = get_typedef($1);
$$.type_str = mm_strdup(this->name);
$$.type_str = (this->type->type_enum == ECPGt_varchar) ? make1_str("") : mm_strdup(this->name);
$$.type_enum = this->type->type_enum;
$$.type_dimension = this->type->type_dimension;
$$.type_index = this->type->type_index;
......@@ -4945,8 +4949,6 @@ variable: opt_pointer symbol opt_array_bounds opt_initializer
switch(dimension)
{
case 0:
strcpy(dim, "[]");
break;
case -1:
case 1:
*dim = '\0';
......@@ -4957,11 +4959,14 @@ variable: opt_pointer symbol opt_array_bounds opt_initializer
}
sprintf(ascii_len, "%d", length);
if (length > 0)
$$ = make4_str(make5_str(mm_strdup(actual_storage[struct_level]), make1_str(" struct varchar_"), mm_strdup($2), make1_str(" { int len; char arr["), mm_strdup(ascii_len)), make1_str("]; } "), mm_strdup($2), mm_strdup(dim));
else
yyerror ("pointer to varchar are not implemented yet");
/* $$ = make4_str(make3_str(mm_strdup(actual_storage[struct_level]), make1_str(" struct varchar_"), mm_strdup($2)), make1_str(" { int len; char *arr; }"), mm_strdup($2), mm_strdup(dim));*/
if (length == 0)
yyerror ("pointer to varchar are not implemented");
if (dimension == 0)
$$ = make4_str(make5_str(mm_strdup(actual_storage[struct_level]), make1_str(" struct varchar_"), mm_strdup($2), make1_str(" { int len; char arr["), mm_strdup(ascii_len)), make1_str("]; } *"), mm_strdup($2), $4);
else
$$ = make5_str(make5_str(mm_strdup(actual_storage[struct_level]), make1_str(" struct varchar_"), mm_strdup($2), make1_str(" { int len; char arr["), mm_strdup(ascii_len)), make1_str("]; } "), mm_strdup($2), mm_strdup(dim), $4);
break;
case ECPGt_char:
case ECPGt_unsigned_char:
......
src/interfaces/ecpg/test/Makefile
View file @ 03842eb0
all: test1 test2 perftest
all: test1 test2 test3 perftest
LDFLAGS=-g -I /usr/local/pgsql/include -L/usr/local/pgsql/lib -lecpg -lpq -lcrypt
......@@ -10,9 +10,13 @@ test2: test2.c
test2.c: test2.pgc
/usr/local/pgsql/bin/ecpg $?
test3: test3.c
test3.c: test3.pgc
/usr/local/pgsql/bin/ecpg $?
perftest: perftest.c
perftest.c:perftest.pgc
/usr/local/pgsql/bin/ecpg $?
clean:
-/bin/rm test1 test2 perftest *.c log
-/bin/rm test1 test2 test3 perftest *.c log
src/interfaces/ecpg/test/test2.pgc
View file @ 03842eb0
......@@ -8,19 +8,21 @@ typedef char* c;
exec sql type ind is union { int integer; short smallint; };
typedef union { int integer; short smallint; } ind;
exec sql type str is varchar[8];
int
main ()
{
typedef struct { long born; short age; } birthinfo;
exec sql type birthinfo is struct { long born; short age; };
exec sql begin declare section;
struct personal_struct { varchar name[8];
struct personal_struct { str name;
birthinfo birth;
} personal;
struct personal_indicator { int ind_name;
birthinfo ind_birth;
} ind_personal;
int ind_married;
float ind_married;
ind children;
ind ind_children;
char *married = NULL;
......@@ -68,8 +70,8 @@ exec sql end declare section;
printf(", born %d", personal.birth.born);
if (ind_personal.ind_birth.age >= 0)
printf(", age = %d", personal.birth.age);
if (ind_married >= 0)
printf(", married %10.10s", married);
if ((long)ind_married >= 0)
printf(", married %s", married);
if (ind_children.smallint >= 0)
printf(", children = %d", children.integer);
putchar('\n');
......@@ -98,8 +100,8 @@ exec sql end declare section;
printf(", born %d", personal.birth.born);
if (ind_personal.ind_birth.age >= 0)
printf(", age = %d", personal.birth.age);
if (ind_married >= 0)
printf(", married %10.10s", married);
if ((long)ind_married >= 0)
printf(", married %s", married);
if (ind_children.smallint >= 0)
printf(", children = %d", children.integer);
putchar('\n');
......
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