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authorMichael Meskes <meskes@postgresql.org>2015-02-11 11:13:11 +0100
committerMichael Meskes <meskes@postgresql.org>2015-02-11 11:13:11 +0100
commit1a321fea71db878755a4a2c00d45b98e10842a92 (patch)
tree490a727ebe027bf55ec8dc856cbe6d807d11d366 /src
parenta4e871caada8117d5ca712187fb2bb0f68ec2879 (diff)
downloadpostgresql-1a321fea71db878755a4a2c00d45b98e10842a92.tar.gz
postgresql-1a321fea71db878755a4a2c00d45b98e10842a92.zip
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.
Diffstat (limited to 'src')
-rw-r--r--src/interfaces/ecpg/ecpglib/data.c63
-rw-r--r--src/interfaces/ecpg/ecpglib/execute.c265
2 files changed, 158 insertions, 170 deletions
diff --git a/src/interfaces/ecpg/ecpglib/data.c b/src/interfaces/ecpg/ecpglib/data.c
index 3ec774ca6d0..f2dbf6687a7 100644
--- a/src/interfaces/ecpg/ecpglib/data.c
+++ b/src/interfaces/ecpg/ecpglib/data.c
@@ -291,6 +291,7 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
date ddres;
timestamp tres;
interval *ires;
+ char *endptr, endchar;
case ECPGt_short:
case ECPGt_int:
@@ -564,10 +565,11 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
case ECPGt_decimal:
case ECPGt_numeric:
- if (isarray && *pval == '"')
- nres = PGTYPESnumeric_from_asc(pval + 1, &scan_length);
- else
- nres = PGTYPESnumeric_from_asc(pval, &scan_length);
+ for (endptr = pval; *endptr && *endptr != ',' && *endptr != '}'; endptr++);
+ endchar = *endptr;
+ *endptr = '\0';
+ nres = PGTYPESnumeric_from_asc(pval, &scan_length);
+ *endptr = endchar;
/* did we get an error? */
if (nres == NULL)
@@ -600,10 +602,7 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
}
else
{
- if (isarray && *scan_length == '"')
- scan_length++;
-
- if (garbage_left(isarray, scan_length, compat))
+ if (!isarray && garbage_left(isarray, scan_length, compat))
{
free(nres);
ecpg_raise(lineno, ECPG_NUMERIC_FORMAT,
@@ -622,10 +621,14 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
break;
case ECPGt_interval:
- if (isarray && *pval == '"')
- ires = PGTYPESinterval_from_asc(pval + 1, &scan_length);
- else
- ires = PGTYPESinterval_from_asc(pval, &scan_length);
+ if (*pval == '"')
+ pval++;
+
+ for (endptr = pval; *endptr && *endptr != ',' && *endptr != '"' && *endptr != '}'; endptr++);
+ endchar = *endptr;
+ *endptr = '\0';
+ ires = PGTYPESinterval_from_asc(pval, &scan_length);
+ *endptr = endchar;
/* did we get an error? */
if (ires == NULL)
@@ -654,10 +657,10 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
}
else
{
- if (isarray && *scan_length == '"')
+ if (*scan_length == '"')
scan_length++;
- if (garbage_left(isarray, scan_length, compat))
+ if (!isarray && garbage_left(isarray, scan_length, compat))
{
free(ires);
ecpg_raise(lineno, ECPG_INTERVAL_FORMAT,
@@ -672,10 +675,14 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
break;
case ECPGt_date:
- if (isarray && *pval == '"')
- ddres = PGTYPESdate_from_asc(pval + 1, &scan_length);
- else
- ddres = PGTYPESdate_from_asc(pval, &scan_length);
+ if (*pval == '"')
+ pval++;
+
+ for (endptr = pval; *endptr && *endptr != ',' && *endptr != '"' && *endptr != '}'; endptr++);
+ endchar = *endptr;
+ *endptr = '\0';
+ ddres = PGTYPESdate_from_asc(pval, &scan_length);
+ *endptr = endchar;
/* did we get an error? */
if (errno != 0)
@@ -700,10 +707,10 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
}
else
{
- if (isarray && *scan_length == '"')
+ if (*scan_length == '"')
scan_length++;
- if (garbage_left(isarray, scan_length, compat))
+ if (!isarray && garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_DATE_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
@@ -716,10 +723,14 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
break;
case ECPGt_timestamp:
- if (isarray && *pval == '"')
- tres = PGTYPEStimestamp_from_asc(pval + 1, &scan_length);
- else
- tres = PGTYPEStimestamp_from_asc(pval, &scan_length);
+ if (*pval == '"')
+ pval++;
+
+ for (endptr = pval; *endptr && *endptr != ',' && *endptr != '"' && *endptr != '}'; endptr++);
+ endchar = *endptr;
+ *endptr = '\0';
+ tres = PGTYPEStimestamp_from_asc(pval, &scan_length);
+ *endptr = endchar;
/* did we get an error? */
if (errno != 0)
@@ -744,10 +755,10 @@ ecpg_get_data(const PGresult *results, int act_tuple, int act_field, int lineno,
}
else
{
- if (isarray && *scan_length == '"')
+ if (*scan_length == '"')
scan_length++;
- if (garbage_left(isarray, scan_length, compat))
+ if (!isarray && garbage_left(isarray, scan_length, compat))
{
ecpg_raise(lineno, ECPG_TIMESTAMP_FORMAT,
ECPG_SQLSTATE_DATATYPE_MISMATCH, pval);
diff --git a/src/interfaces/ecpg/ecpglib/execute.c b/src/interfaces/ecpg/ecpglib/execute.c
index 4acb345972c..9854a57ed3e 100644
--- a/src/interfaces/ecpg/ecpglib/execute.c
+++ b/src/interfaces/ecpg/ecpglib/execute.c
@@ -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)))
- 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);
+ mallocedval = ecpg_strdup("{", lineno);
+ else
+ mallocedval = ecpg_strdup("", lineno);
- if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
- {
- ecpg_free(str);
- return false;
- }
+ if (!mallocedval)
+ 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);
+ mallocedval = ecpg_strdup("{", lineno);
+ else
+ mallocedval = ecpg_strdup("", lineno);
- if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
- {
- ecpg_free(str);
- return false;
- }
+ if (!mallocedval)
+ 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++)
{
- str = quote_postgres(PGTYPESinterval_to_asc((interval *) (var->value)), quote, lineno);
+ 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);
+ mallocedval = ecpg_strdup("{", lineno);
+ else
+ mallocedval = ecpg_strdup("", lineno);
- if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
- {
- ecpg_free(str);
- return false;
- }
+ if (!mallocedval)
+ 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++)
{
- str = quote_postgres(PGTYPESdate_to_asc(*(date *) (var->value)), quote, lineno);
+ 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);
+ mallocedval = ecpg_strdup("{", lineno);
+ else
+ mallocedval = ecpg_strdup("", lineno);
- if (!(mallocedval = ecpg_realloc(mallocedval, strlen(mallocedval) + slen + 2, lineno)))
- {
- ecpg_free(str);
- return false;
- }
+ if (!mallocedval)
+ 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++)
{
- str = quote_postgres(PGTYPEStimestamp_to_asc(*(timestamp *) (var->value)), quote, lineno);
+ 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;