Datum create_empty_extension(PG_FUNCTION_ARGS) { text *extName = PG_GETARG_TEXT_PP(0); text *schemaName = PG_GETARG_TEXT_PP(1); bool relocatable = PG_GETARG_BOOL(2); text *extVersion = PG_GETARG_TEXT_PP(3); Datum extConfig; Datum extCondition; List *requiredExtensions; if (PG_ARGISNULL(4)) extConfig = PointerGetDatum(NULL); else extConfig = PG_GETARG_DATUM(4); if (PG_ARGISNULL(5)) extCondition = PointerGetDatum(NULL); else extCondition = PG_GETARG_DATUM(5); requiredExtensions = NIL; if (!PG_ARGISNULL(6)) { ArrayType *textArray = PG_GETARG_ARRAYTYPE_P(6); Datum *textDatums; int ndatums; int i; deconstruct_array(textArray, TEXTOID, -1, false, 'i', &textDatums, NULL, &ndatums); for (i = 0; i < ndatums; i++) { text *txtname = DatumGetTextPP(textDatums[i]); char *extName = text_to_cstring(txtname); Oid extOid = get_extension_oid(extName, false); requiredExtensions = lappend_oid(requiredExtensions, extOid); } } InsertExtensionTuple(text_to_cstring(extName), GetUserId(), get_namespace_oid(text_to_cstring(schemaName), false), relocatable, text_to_cstring(extVersion), extConfig, extCondition, requiredExtensions); PG_RETURN_VOID(); }
Datum binary_upgrade_create_empty_extension(PG_FUNCTION_ARGS) { text *extName; text *schemaName; bool relocatable; text *extVersion; Datum extConfig; Datum extCondition; List *requiredExtensions; CHECK_IS_BINARY_UPGRADE; /* We must check these things before dereferencing the arguments */ if (PG_ARGISNULL(0) || PG_ARGISNULL(1) || PG_ARGISNULL(2) || PG_ARGISNULL(3)) elog(ERROR, "null argument to binary_upgrade_create_empty_extension is not allowed"); extName = PG_GETARG_TEXT_PP(0); schemaName = PG_GETARG_TEXT_PP(1); relocatable = PG_GETARG_BOOL(2); extVersion = PG_GETARG_TEXT_PP(3); if (PG_ARGISNULL(4)) extConfig = PointerGetDatum(NULL); else extConfig = PG_GETARG_DATUM(4); if (PG_ARGISNULL(5)) extCondition = PointerGetDatum(NULL); else extCondition = PG_GETARG_DATUM(5); requiredExtensions = NIL; if (!PG_ARGISNULL(6)) { ArrayType *textArray = PG_GETARG_ARRAYTYPE_P(6); Datum *textDatums; int ndatums; int i; deconstruct_array(textArray, TEXTOID, -1, false, 'i', &textDatums, NULL, &ndatums); for (i = 0; i < ndatums; i++) { text *txtname = DatumGetTextPP(textDatums[i]); char *extName = text_to_cstring(txtname); Oid extOid = get_extension_oid(extName, false); requiredExtensions = lappend_oid(requiredExtensions, extOid); } } InsertExtensionTuple(text_to_cstring(extName), GetUserId(), get_namespace_oid(text_to_cstring(schemaName), false), relocatable, text_to_cstring(extVersion), extConfig, extCondition, requiredExtensions); PG_RETURN_VOID(); }