where_cond       6747 ext/pgsql/pgsql.c static inline int build_assignment_string(PGconn *pg_link, smart_str *querystr, HashTable *ht, int where_cond, const char *pad, int pad_len, ulong opt TSRMLS_DC)
where_cond       6772 ext/pgsql/pgsql.c 		if (where_cond && (Z_TYPE_PP(val) == IS_BOOL || (Z_TYPE_PP(val) == IS_STRING && !strcmp(Z_STRVAL_PP(val), "NULL")))) {