exit(1);
}
-if (!mysqli_query($link, 'CREATE TABLE test(id INT, label CHAR(1), PRIMARY KEY(id)) ENGINE=' . $engine)) {
+ if (!mysqli_query($link, 'SET SESSION sql_mode=\'\'')) {
+ printf("Failed to drop old test table: [%d] %s\n", mysqli_errno($link), mysqli_error($link));
+ exit(1);
+ }
+
+if (!mysqli_query($link, 'CREATE TABLE test(id INT DEFAULT 0, label CHAR(1), PRIMARY KEY(id)) ENGINE=' . $engine)) {
printf("Failed to create test table: [%d] %s\n", mysqli_errno($link), mysqli_error($link));
exit(1);
}
/* {{{ ps_fetch_float */
-static
-void ps_fetch_float(zval *zv, const MYSQLND_FIELD * const field,
- unsigned int pack_len, zend_uchar **row,
- zend_bool as_unicode TSRMLS_DC)
+static void
+ps_fetch_float(zval * zv, const MYSQLND_FIELD * const field, unsigned int pack_len, zend_uchar ** row TSRMLS_DC)
{
- float value;
+ float fval;
+ double dval;
DBG_ENTER("ps_fetch_float");
- float4get(value, *row);
- ZVAL_DOUBLE(zv, value);
+ float4get(fval, *row);
(*row)+= 4;
- DBG_INF_FMT("value=%f", value);
+ DBG_INF_FMT("value=%f", fval);
+
+ /*
+ * The following is needed to correctly support 4-byte floats.
+ * Otherwise, a value of 9.99 in a FLOAT column comes out of mysqli
+ * as 9.9998998641968.
+ *
+ * For GCC, we use the built-in decimal support to "up-convert" a
+ * 4-byte float to a 8-byte double.
+ * When that is not available, we fall back to converting the float
+ * to a string and then converting the string to a double. This mimics
+ * what MySQL does.
+ */
+ #ifdef HAVE_DECIMAL_FP_SUPPORT
+ {
+ typedef float dec32 __attribute__((mode(SD)));
+ dec32 d32val = fval;
+
+ /* The following cast is guaranteed to do the right thing */
+ dval = (double) d32val;
+ }
+ #else
+ {
+ char num_buf[2048]; /* Over allocated */
+ char *s;
+
+ /* Convert to string. Ignoring localization, etc.
+ * Following MySQL's rules. If precision is undefined (NOT_FIXED_DEC i.e. 31)
+ * or larger than 31, the value is limited to 6 (FLT_DIG).
+ */
+ s = php_gcvt(fval,
+ field->decimals >= 31 ? 6 : field->decimals,
+ '.',
+ 'e',
+ num_buf);
+
+ /* And now convert back to double */
+ dval = zend_strtod(s, NULL);
+ }
+ #endif
+
+ ZVAL_DOUBLE(zv, dval);
DBG_VOID_RETURN;
}
/* }}} */