* Format a reloptions array and append it to the given buffer. * * "prefix" is prepended to the option names; typically it's "" or "toast.". * * Returns false if the reloptions array could not be parsed (in which case * nothing will have been appended to the buffer), or true on success. * * Note: this logic should generally match the backend's flatten_reloptions() * (in adt/ruleutils.c).
| 921 | * (in adt/ruleutils.c). |
| 922 | */ |
| 923 | bool |
| 924 | appendReloptionsArray(PQExpBuffer buffer, const char *reloptions, |
| 925 | const char *prefix, int encoding, bool std_strings) |
| 926 | { |
| 927 | char **options; |
| 928 | int noptions; |
| 929 | int i; |
| 930 | |
| 931 | if (!parsePGArray(reloptions, &options, &noptions)) |
| 932 | { |
| 933 | if (options) |
| 934 | free(options); |
| 935 | return false; |
| 936 | } |
| 937 | |
| 938 | for (i = 0; i < noptions; i++) |
| 939 | { |
| 940 | char *option = options[i]; |
| 941 | char *name; |
| 942 | char *separator; |
| 943 | char *value; |
| 944 | |
| 945 | /* |
| 946 | * Each array element should have the form name=value. If the "=" is |
| 947 | * missing for some reason, treat it like an empty value. |
| 948 | */ |
| 949 | name = option; |
| 950 | separator = strchr(option, '='); |
| 951 | if (separator) |
| 952 | { |
| 953 | *separator = '\0'; |
| 954 | value = separator + 1; |
| 955 | } |
| 956 | else |
| 957 | value = ""; |
| 958 | |
| 959 | if (i > 0) |
| 960 | appendPQExpBufferStr(buffer, ", "); |
| 961 | appendPQExpBuffer(buffer, "%s%s=", prefix, fmtId(name)); |
| 962 | |
| 963 | /* |
| 964 | * In general we need to quote the value; but to avoid unnecessary |
| 965 | * clutter, do not quote if it is an identifier that would not need |
| 966 | * quoting. (We could also allow numbers, but that is a bit trickier |
| 967 | * than it looks --- for example, are leading zeroes significant? We |
| 968 | * don't want to assume very much here about what custom reloptions |
| 969 | * might mean.) |
| 970 | */ |
| 971 | if (strcmp(fmtId(value), value) == 0) |
| 972 | appendPQExpBufferStr(buffer, value); |
| 973 | else |
| 974 | appendStringLiteral(buffer, value, encoding, std_strings); |
| 975 | } |
| 976 | |
| 977 | if (options) |
| 978 | free(options); |
| 979 | |
| 980 | return true; |
no test coverage detected