const char *objlabel);
static const char *getAttrName(int attrnum, TableInfo *tblInfo);
static const char *fmtCopyColumnList(const TableInfo *ti);
+static bool nonemptyReloptions(const char *reloptions);
+static void fmtReloptionsArray(Archive *fout, PQExpBuffer buffer,
+ const char *reloptions, const char *prefix);
static void do_sql_command(PGconn *conn, const char *query);
static void check_sql_result(PGresult *res, PGconn *conn, const char *query,
ExecStatusType expected);
"d.refobjid AS owning_tab, "
"d.refobjsubid AS owning_col, "
"(SELECT spcname FROM pg_tablespace t WHERE t.oid = c.reltablespace) AS reltablespace, "
- "array_to_string(c.reloptions, ', ') AS reloptions, "
- "array_to_string(array(SELECT 'toast.' || x FROM unnest(tc.reloptions) x), ', ') AS toast_reloptions "
+ "c.reloptions AS reloptions, "
+ "tc.reloptions AS toast_reloptions "
"FROM pg_class c "
"LEFT JOIN pg_depend d ON "
"(c.relkind = '%c' AND "
"d.refobjid AS owning_tab, "
"d.refobjsubid AS owning_col, "
"(SELECT spcname FROM pg_tablespace t WHERE t.oid = c.reltablespace) AS reltablespace, "
- "array_to_string(c.reloptions, ', ') AS reloptions, "
- "array_to_string(array(SELECT 'toast.' || x FROM unnest(tc.reloptions) x), ', ') AS toast_reloptions "
+ "c.reloptions AS reloptions, "
+ "tc.reloptions AS toast_reloptions "
"FROM pg_class c "
"LEFT JOIN pg_depend d ON "
"(c.relkind = '%c' AND "
"d.refobjid AS owning_tab, "
"d.refobjsubid AS owning_col, "
"(SELECT spcname FROM pg_tablespace t WHERE t.oid = c.reltablespace) AS reltablespace, "
- "array_to_string(c.reloptions, ', ') AS reloptions, "
- "array_to_string(array(SELECT 'toast.' || x FROM unnest(tc.reloptions) x), ', ') AS toast_reloptions "
+ "c.reloptions AS reloptions, "
+ "tc.reloptions AS toast_reloptions "
"FROM pg_class c "
"LEFT JOIN pg_depend d ON "
"(c.relkind = '%c' AND "
"d.refobjid AS owning_tab, "
"d.refobjsubid AS owning_col, "
"(SELECT spcname FROM pg_tablespace t WHERE t.oid = c.reltablespace) AS reltablespace, "
- "array_to_string(c.reloptions, ', ') AS reloptions, "
+ "c.reloptions AS reloptions, "
"NULL AS toast_reloptions "
"FROM pg_class c "
"LEFT JOIN pg_depend d ON "
i_conoid,
i_condef,
i_tablespace,
- i_options;
+ i_indreloptions;
int ntups;
for (i = 0; i < numTables; i++)
"c.oid AS conoid, "
"pg_catalog.pg_get_constraintdef(c.oid, false) AS condef, "
"(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS tablespace, "
- "array_to_string(t.reloptions, ', ') AS options "
+ "t.reloptions AS indreloptions "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_constraint c "
"c.oid AS conoid, "
"null AS condef, "
"(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS tablespace, "
- "array_to_string(t.reloptions, ', ') AS options "
+ "t.reloptions AS indreloptions "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_depend d "
"c.oid AS conoid, "
"null AS condef, "
"(SELECT spcname FROM pg_catalog.pg_tablespace s WHERE s.oid = t.reltablespace) AS tablespace, "
- "null AS options "
+ "null AS indreloptions "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_depend d "
"c.oid AS conoid, "
"null AS condef, "
"NULL AS tablespace, "
- "null AS options "
+ "null AS indreloptions "
"FROM pg_catalog.pg_index i "
"JOIN pg_catalog.pg_class t ON (t.oid = i.indexrelid) "
"LEFT JOIN pg_catalog.pg_depend d "
"t.oid AS conoid, "
"null AS condef, "
"NULL AS tablespace, "
- "null AS options "
+ "null AS indreloptions "
"FROM pg_index i, pg_class t "
"WHERE t.oid = i.indexrelid "
"AND i.indrelid = '%u'::oid "
"t.oid AS conoid, "
"null AS condef, "
"NULL AS tablespace, "
- "null AS options "
+ "null AS indreloptions "
"FROM pg_index i, pg_class t "
"WHERE t.oid = i.indexrelid "
"AND i.indrelid = '%u'::oid "
i_conoid = PQfnumber(res, "conoid");
i_condef = PQfnumber(res, "condef");
i_tablespace = PQfnumber(res, "tablespace");
- i_options = PQfnumber(res, "options");
+ i_indreloptions = PQfnumber(res, "indreloptions");
indxinfo = (IndxInfo *) malloc(ntups * sizeof(IndxInfo));
constrinfo = (ConstraintInfo *) malloc(ntups * sizeof(ConstraintInfo));
indxinfo[j].indexdef = strdup(PQgetvalue(res, j, i_indexdef));
indxinfo[j].indnkeys = atoi(PQgetvalue(res, j, i_indnkeys));
indxinfo[j].tablespace = strdup(PQgetvalue(res, j, i_tablespace));
- indxinfo[j].options = strdup(PQgetvalue(res, j, i_options));
+ indxinfo[j].indreloptions = strdup(PQgetvalue(res, j, i_indreloptions));
/*
* In pre-7.4 releases, indkeys may contain more entries than
if (tbinfo->relkind == RELKIND_FOREIGN_TABLE)
appendPQExpBuffer(q, "\nSERVER %s", fmtId(srvname));
- if ((tbinfo->reloptions && strlen(tbinfo->reloptions) > 0) ||
- (tbinfo->toast_reloptions && strlen(tbinfo->toast_reloptions) > 0))
+ if (nonemptyReloptions(tbinfo->reloptions) ||
+ nonemptyReloptions(tbinfo->toast_reloptions))
{
bool addcomma = false;
- appendPQExpBuffer(q, "\nWITH (");
- if (tbinfo->reloptions && strlen(tbinfo->reloptions) > 0)
+ appendPQExpBufferStr(q, "\nWITH (");
+ if (nonemptyReloptions(tbinfo->reloptions))
{
addcomma = true;
- appendPQExpBuffer(q, "%s", tbinfo->reloptions);
+ fmtReloptionsArray(fout, q, tbinfo->reloptions, "");
}
- if (tbinfo->toast_reloptions && strlen(tbinfo->toast_reloptions) > 0)
+ if (nonemptyReloptions(tbinfo->toast_reloptions))
{
- appendPQExpBuffer(q, "%s%s", addcomma ? ", " : "",
- tbinfo->toast_reloptions);
+ if (addcomma)
+ appendPQExpBufferStr(q, ", ");
+ fmtReloptionsArray(fout, q, tbinfo->toast_reloptions, "toast.");
}
- appendPQExpBuffer(q, ")");
+ appendPQExpBufferChar(q, ')');
}
/* Dump generic options if any */
appendPQExpBuffer(q, ")");
- if (indxinfo->options && strlen(indxinfo->options) > 0)
- appendPQExpBuffer(q, " WITH (%s)", indxinfo->options);
+ if (nonemptyReloptions(indxinfo->indreloptions))
+ {
+ appendPQExpBufferStr(q, " WITH (");
+ fmtReloptionsArray(fout, q, indxinfo->indreloptions, "");
+ appendPQExpBufferChar(q, ')');
+ }
if (coninfo->condeferrable)
{
return q->data;
}
+/*
+ * Check if a reloptions array is nonempty.
+ */
+static bool
+nonemptyReloptions(const char *reloptions)
+{
+ /* Don't want to print it if it's just "{}" */
+ return (reloptions != NULL && strlen(reloptions) > 2);
+}
+
+/*
+ * Format a reloptions array and append it to the given buffer.
+ *
+ * "prefix" is prepended to the option names; typically it's "" or "toast.".
+ *
+ * Note: this logic should generally match the backend's flatten_reloptions()
+ * (in adt/ruleutils.c).
+ */
+static void
+fmtReloptionsArray(Archive *fout, PQExpBuffer buffer, const char *reloptions,
+ const char *prefix)
+{
+ char **options;
+ int noptions;
+ int i;
+
+ if (!parsePGArray(reloptions, &options, &noptions))
+ {
+ write_msg(NULL, "WARNING: could not parse reloptions array\n");
+ if (options)
+ free(options);
+ return;
+ }
+
+ for (i = 0; i < noptions; i++)
+ {
+ char *option = options[i];
+ char *name;
+ char *separator;
+ char *value;
+
+ /*
+ * Each array element should have the form name=value. If the "=" is
+ * missing for some reason, treat it like an empty value.
+ */
+ name = option;
+ separator = strchr(option, '=');
+ if (separator)
+ {
+ *separator = '\0';
+ value = separator + 1;
+ }
+ else
+ value = "";
+
+ if (i > 0)
+ appendPQExpBufferStr(buffer, ", ");
+ appendPQExpBuffer(buffer, "%s%s=", prefix, fmtId(name));
+
+ /*
+ * In general we need to quote the value; but to avoid unnecessary
+ * clutter, do not quote if it is an identifier that would not need
+ * quoting. (We could also allow numbers, but that is a bit trickier
+ * than it looks --- for example, are leading zeroes significant? We
+ * don't want to assume very much here about what custom reloptions
+ * might mean.)
+ */
+ if (strcmp(fmtId(value), value) == 0)
+ appendPQExpBufferStr(buffer, value);
+ else
+ appendStringLiteralAH(buffer, value, fout);
+ }
+
+ if (options)
+ free(options);
+}
+
/*
* Convenience subroutine to execute a SQL command and check for
* COMMAND_OK status.
projects / postgresql / commitdiff