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mirror of https://github.com/postgres/postgres.git synced 2025-07-07 00:36:50 +03:00

Fixed array handling in ecpg.

When ecpg was rewritten to the new protocol version not all variable types
were corrected. This patch rewrites the code for these types to fix that. It
also fixes the documentation to correctly tell the status of array handling.
This commit is contained in:
Michael Meskes
2015-02-11 11:13:11 +01:00
parent a4e871caad
commit 1a321fea71
3 changed files with 174 additions and 183 deletions

View File

@ -505,16 +505,10 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
char *newcopy = NULL;
/*
* arrays are not possible unless the attribute is an array too FIXME: we
* do not know if the attribute is an array here
* arrays are not possible unless the column is an array, too
* FIXME: we do not know if the column is an array here
* array input to singleton column will result in a runtime error
*/
#if 0
if (var->arrsize > 1 &&...)
{
ecpg_raise(lineno, ECPG_ARRAY_INSERT, ECPG_SQLSTATE_DATATYPE_MISMATCH, NULL);
return false;
}
#endif
/*
* Some special treatment is needed for records since we want their
@ -572,12 +566,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%hd,", ((short *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%hd", *((short *) var->value));
@ -610,12 +604,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%hu,", ((unsigned short *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%hu", *((unsigned short *) var->value));
@ -629,12 +623,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%u,", ((unsigned int *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%u", *((unsigned int *) var->value));
@ -648,12 +642,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%ld,", ((long *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%ld", *((long *) var->value));
@ -667,12 +661,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%lu,", ((unsigned long *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%lu", *((unsigned long *) var->value));
@ -686,12 +680,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%lld,", ((long long int *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%lld", *((long long int *) var->value));
@ -705,12 +699,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%llu,", ((unsigned long long int *) var->value)[element]);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf(mallocedval, "%llu", *((unsigned long long int *) var->value));
@ -724,12 +718,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf_float_value(mallocedval + strlen(mallocedval), ((float *) var->value)[element], ",");
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf_float_value(mallocedval, *((float *) var->value), "");
@ -743,12 +737,12 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
if (asize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
for (element = 0; element < asize; element++)
sprintf_double_value(mallocedval + strlen(mallocedval), ((double *) var->value)[element], ",");
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
sprintf_double_value(mallocedval, *((double *) var->value), "");
@ -757,27 +751,27 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
break;
case ECPGt_bool:
if (!(mallocedval = ecpg_alloc(var->arrsize + sizeof("array []"), lineno)))
if (!(mallocedval = ecpg_alloc(var->arrsize + sizeof("{}"), lineno)))
return false;
if (var->arrsize > 1)
{
strcpy(mallocedval, "array [");
strcpy(mallocedval, "{");
if (var->offset == sizeof(char))
for (element = 0; element < var->arrsize; element++)
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%c,", (((char *) var->value)[element]) ? 't' : 'f');
/*
* this is necessary since sizeof(C++'s bool)==sizeof(int)
*/
else if (var->offset == sizeof(int))
for (element = 0; element < var->arrsize; element++)
for (element = 0; element < asize; element++)
sprintf(mallocedval + strlen(mallocedval), "%c,", (((int *) var->value)[element]) ? 't' : 'f');
else
ecpg_raise(lineno, ECPG_CONVERT_BOOL, ECPG_SQLSTATE_DATATYPE_MISMATCH, NULL);
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
}
else
{
@ -853,63 +847,59 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
numeric *nval;
if (var->arrsize > 1)
{
if (!(mallocedval = ecpg_strdup("array [", lineno)))
mallocedval = ecpg_strdup("{", lineno);
else
mallocedval = ecpg_strdup("", lineno);
if (!mallocedval)
return false;
for (element = 0; element < var->arrsize; element++)
{
nval = PGTYPESnumeric_new();
if (!nval)
return false;
if (var->type == ECPGt_numeric)
PGTYPESnumeric_copy((numeric *) ((var + var->offset * element)->value), nval);
else
PGTYPESnumeric_from_decimal((decimal *) ((var + var->offset * element)->value), nval);
str = PGTYPESnumeric_to_asc(nval, nval->dscale);
slen = strlen(str);
PGTYPESnumeric_free(nval);
if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(str);
return false;
}
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
}
else
for (element = 0; element < asize; element++)
{
int result;
nval = PGTYPESnumeric_new();
if (!nval)
{
ecpg_free(mallocedval);
return false;
}
if (var->type == ECPGt_numeric)
PGTYPESnumeric_copy((numeric *) (var->value), nval);
result = PGTYPESnumeric_copy(&(((numeric *) (var->value))[element]), nval);
else
PGTYPESnumeric_from_decimal((decimal *) (var->value), nval);
result = PGTYPESnumeric_from_decimal(&(((decimal *) (var->value))[element]), nval);
if (result != 0)
{
PGTYPESnumeric_free(nval);
ecpg_free(mallocedval);
return false;
}
str = PGTYPESnumeric_to_asc(nval, nval->dscale);
slen = strlen(str);
PGTYPESnumeric_free(nval);
if (!(mallocedval = ecpg_alloc(slen + 1, lineno)))
if (!(newcopy = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
free(str);
ecpg_free(mallocedval);
ecpg_free(str);
return false;
}
mallocedval = newcopy;
/* also copy trailing '\0' */
memcpy(mallocedval + strlen(mallocedval), str, slen + 1);
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval), ",");
strncpy(mallocedval, str, slen);
mallocedval[slen] = '\0';
ecpg_free(str);
}
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
*tobeinserted_p = mallocedval;
}
break;
@ -920,47 +910,43 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
int slen;
if (var->arrsize > 1)
{
if (!(mallocedval = ecpg_strdup("array [", lineno)))
return false;
for (element = 0; element < var->arrsize; element++)
{
str = quote_postgres(PGTYPESinterval_to_asc((interval *) ((var + var->offset * element)->value)), quote, lineno);
if (!str)
return false;
slen = strlen(str);
if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(str);
return false;
}
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
}
mallocedval = ecpg_strdup("{", lineno);
else
{
str = quote_postgres(PGTYPESinterval_to_asc((interval *) (var->value)), quote, lineno);
if (!str)
mallocedval = ecpg_strdup("", lineno);
if (!mallocedval)
return false;
for (element = 0; element < asize; element++)
{
str = quote_postgres(PGTYPESinterval_to_asc(&(((interval *) (var->value))[element])), quote, lineno);
if (!str)
{
ecpg_free(mallocedval);
return false;
}
slen = strlen(str);
if (!(mallocedval = ecpg_alloc(slen + sizeof("interval ") + 1, lineno)))
if (!(newcopy = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(mallocedval);
ecpg_free(str);
return false;
}
mallocedval = newcopy;
/* also copy trailing '\0' */
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
memcpy(mallocedval + strlen(mallocedval), str, slen + 1);
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
*tobeinserted_p = mallocedval;
}
break;
@ -971,47 +957,43 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
int slen;
if (var->arrsize > 1)
{
if (!(mallocedval = ecpg_strdup("array [", lineno)))
return false;
for (element = 0; element < var->arrsize; element++)
{
str = quote_postgres(PGTYPESdate_to_asc(*(date *) ((var + var->offset * element)->value)), quote, lineno);
if (!str)
return false;
slen = strlen(str);
if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(str);
return false;
}
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
}
mallocedval = ecpg_strdup("{", lineno);
else
{
str = quote_postgres(PGTYPESdate_to_asc(*(date *) (var->value)), quote, lineno);
if (!str)
mallocedval = ecpg_strdup("", lineno);
if (!mallocedval)
return false;
for (element = 0; element < asize; element++)
{
str = quote_postgres(PGTYPESdate_to_asc(((date *) (var->value))[element]), quote, lineno);
if (!str)
{
ecpg_free(mallocedval);
return false;
}
slen = strlen(str);
if (!(mallocedval = ecpg_alloc(slen + sizeof("date ") + 1, lineno)))
if (!(newcopy = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(mallocedval);
ecpg_free(str);
return false;
}
mallocedval = newcopy;
/* also copy trailing '\0' */
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
memcpy(mallocedval + strlen(mallocedval), str, slen + 1);
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
*tobeinserted_p = mallocedval;
}
break;
@ -1022,48 +1004,43 @@ ecpg_store_input(const int lineno, const bool force_indicator, const struct vari
int slen;
if (var->arrsize > 1)
{
if (!(mallocedval = ecpg_strdup("array [", lineno)))
return false;
for (element = 0; element < var->arrsize; element++)
{
str = quote_postgres(PGTYPEStimestamp_to_asc(*(timestamp *) ((var + var->offset * element)->value)), quote, lineno);
if (!str)
return false;
slen = strlen(str);
if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(str);
return false;
}
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
strcpy(mallocedval + strlen(mallocedval) - 1, "]");
}
mallocedval = ecpg_strdup("{", lineno);
else
{
str = quote_postgres(PGTYPEStimestamp_to_asc(*(timestamp *) (var->value)), quote, lineno);
if (!str)
mallocedval = ecpg_strdup("", lineno);
if (!mallocedval)
return false;
for (element = 0; element < asize; element++)
{
str = quote_postgres(PGTYPEStimestamp_to_asc(((timestamp *) (var->value))[element]), quote, lineno);
if (!str)
{
ecpg_free(mallocedval);
return false;
}
slen = strlen(str);
if (!(mallocedval = ecpg_alloc(slen + sizeof("timestamp") + 1, lineno)))
if (!(newcopy = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
{
ecpg_free(mallocedval);
ecpg_free(str);
return false;
}
mallocedval = newcopy;
/* also copy trailing '\0' */
strncpy(mallocedval + strlen(mallocedval), str, slen + 1);
memcpy(mallocedval + strlen(mallocedval), str, slen + 1);
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval), ",");
ecpg_free(str);
}
if (var->arrsize > 1)
strcpy(mallocedval + strlen(mallocedval) - 1, "}");
*tobeinserted_p = mallocedval;
}
break;