static void deparseRenameStmt()

in ext/pg_query/pg_query_deparse.c [6046:6295]
243 lines of code
82 McCabe index (conditional complexity)

static void deparseRenameStmt(StringInfo str, RenameStmt *rename_stmt)
{
	List *l = NULL;

	appendStringInfoString(str, "ALTER ");

	switch (rename_stmt->renameType)
	{
		case OBJECT_AGGREGATE:
			appendStringInfoString(str, "AGGREGATE ");
			break;
		case OBJECT_COLLATION:
			appendStringInfoString(str, "COLLATION ");
			break;
		case OBJECT_CONVERSION:
			appendStringInfoString(str, "CONVERSION ");
			break;
		case OBJECT_DATABASE:
			appendStringInfoString(str, "DATABASE ");
			break;
		case OBJECT_DOMAIN:
		case OBJECT_DOMCONSTRAINT:
			appendStringInfoString(str, "DOMAIN ");
			break;
		case OBJECT_FDW:
			appendStringInfoString(str, "FOREIGN DATA WRAPPER ");
			break;
		case OBJECT_FUNCTION:
			appendStringInfoString(str, "FUNCTION ");
			break;
		case OBJECT_ROLE:
			appendStringInfoString(str, "ROLE ");
			break;
		case OBJECT_LANGUAGE:
			appendStringInfoString(str, "LANGUAGE ");
			break;
		case OBJECT_OPCLASS:
			appendStringInfoString(str, "OPERATOR CLASS ");
			break;
		case OBJECT_OPFAMILY:
			appendStringInfoString(str, "OPERATOR FAMILY ");
			break;
		case OBJECT_POLICY:
			appendStringInfoString(str, "POLICY ");
			break;
		case OBJECT_PROCEDURE:
			appendStringInfoString(str, "PROCEDURE ");
			break;
		case OBJECT_PUBLICATION:
			appendStringInfoString(str, "PUBLICATION ");
			break;
		case OBJECT_ROUTINE:
			appendStringInfoString(str, "ROUTINE ");
			break;
		case OBJECT_SCHEMA:
			appendStringInfoString(str, "SCHEMA ");
			break;
		case OBJECT_FOREIGN_SERVER:
			appendStringInfoString(str, "SERVER ");
			break;
		case OBJECT_SUBSCRIPTION:
			appendStringInfoString(str, "SUBSCRIPTION ");
			break;
		case OBJECT_TABLE:
		case OBJECT_TABCONSTRAINT:
			appendStringInfoString(str, "TABLE ");
			break;
		case OBJECT_COLUMN:
			switch (rename_stmt->relationType)
			{
				case OBJECT_TABLE:
					appendStringInfoString(str, "TABLE ");
					break;
				case OBJECT_FOREIGN_TABLE:
					appendStringInfoString(str, "FOREIGN TABLE ");
					break;
				case OBJECT_VIEW:
					appendStringInfoString(str, "VIEW ");
					break;
				case OBJECT_MATVIEW:
					appendStringInfoString(str, "MATERIALIZED VIEW ");
					break;
				default:
					Assert(false);
			}
			break;
		case OBJECT_SEQUENCE:
			appendStringInfoString(str, "SEQUENCE ");
			break;
		case OBJECT_VIEW:
			appendStringInfoString(str, "VIEW ");
			break;
		case OBJECT_MATVIEW:
			appendStringInfoString(str, "MATERIALIZED VIEW ");
			break;
		case OBJECT_INDEX:
			appendStringInfoString(str, "INDEX ");
			break;
		case OBJECT_FOREIGN_TABLE:
			appendStringInfoString(str, "FOREIGN TABLE ");
			break;
		case OBJECT_RULE:
			appendStringInfoString(str, "RULE ");
			break;
		case OBJECT_TRIGGER:
			appendStringInfoString(str, "TRIGGER ");
			break;
		case OBJECT_EVENT_TRIGGER:
			appendStringInfoString(str, "EVENT TRIGGER ");
			break;
		case OBJECT_TABLESPACE:
			appendStringInfoString(str, "TABLESPACE ");
			break;
		case OBJECT_STATISTIC_EXT:
			appendStringInfoString(str, "STATISTICS ");
			break;
		case OBJECT_TSPARSER:
			appendStringInfoString(str, "TEXT SEARCH PARSER ");
			break;
		case OBJECT_TSDICTIONARY:
			appendStringInfoString(str, "TEXT SEARCH DICTIONARY ");
			break;
		case OBJECT_TSTEMPLATE:
			appendStringInfoString(str, "TEXT SEARCH TEMPLATE ");
			break;
		case OBJECT_TSCONFIGURATION:
			appendStringInfoString(str, "TEXT SEARCH CONFIGURATION ");
			break;
		case OBJECT_TYPE:
		case OBJECT_ATTRIBUTE:
			appendStringInfoString(str, "TYPE ");
			break;
		default:
			Assert(false);
			break;
	}

	if (rename_stmt->missing_ok)
		appendStringInfoString(str, "IF EXISTS ");

	switch (rename_stmt->renameType)
	{
		case OBJECT_AGGREGATE:
			deparseAggregateWithArgtypes(str, castNode(ObjectWithArgs, rename_stmt->object));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_DOMCONSTRAINT:
			deparseAnyName(str, castNode(List, rename_stmt->object));
			appendStringInfoString(str, " RENAME CONSTRAINT ");
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoChar(str, ' ');
			break;
		case OBJECT_OPCLASS:
		case OBJECT_OPFAMILY:
			l = castNode(List, rename_stmt->object);
			deparseAnyNameSkipFirst(str, l);
			appendStringInfoString(str, " USING ");
			appendStringInfoString(str, quote_identifier(strVal(linitial(l))));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_POLICY:
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoString(str, " ON ");
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_NONE);
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_FUNCTION:
		case OBJECT_PROCEDURE:
		case OBJECT_ROUTINE:
			deparseFunctionWithArgtypes(str, castNode(ObjectWithArgs, rename_stmt->object));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_SUBSCRIPTION:
			deparseColId(str, strVal(rename_stmt->object));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_TABLE:
		case OBJECT_SEQUENCE:
		case OBJECT_VIEW:
		case OBJECT_MATVIEW:
		case OBJECT_INDEX:
		case OBJECT_FOREIGN_TABLE:
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_NONE);
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_COLUMN:
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_NONE);
			appendStringInfoString(str, " RENAME COLUMN ");
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoChar(str, ' ');
			break;
		case OBJECT_TABCONSTRAINT:
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_NONE);
			appendStringInfoString(str, " RENAME CONSTRAINT ");
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoChar(str, ' ');
			break;
		case OBJECT_RULE:
		case OBJECT_TRIGGER:
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoString(str, " ON ");
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_NONE);
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_FDW:
		case OBJECT_LANGUAGE:
		case OBJECT_PUBLICATION:
		case OBJECT_FOREIGN_SERVER:
		case OBJECT_EVENT_TRIGGER:
			appendStringInfoString(str, quote_identifier(strVal(rename_stmt->object)));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_DATABASE:
		case OBJECT_ROLE:
		case OBJECT_SCHEMA:
		case OBJECT_TABLESPACE:
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_COLLATION:
		case OBJECT_CONVERSION:
		case OBJECT_DOMAIN:
		case OBJECT_STATISTIC_EXT:
		case OBJECT_TSPARSER:
		case OBJECT_TSDICTIONARY:
		case OBJECT_TSTEMPLATE:
		case OBJECT_TSCONFIGURATION:
		case OBJECT_TYPE:
			deparseAnyName(str, castNode(List, rename_stmt->object));
			appendStringInfoString(str, " RENAME ");
			break;
		case OBJECT_ATTRIBUTE:
			deparseRangeVar(str, rename_stmt->relation, DEPARSE_NODE_CONTEXT_ALTER_TYPE);
			appendStringInfoString(str, " RENAME ATTRIBUTE ");
			appendStringInfoString(str, quote_identifier(rename_stmt->subname));
			appendStringInfoChar(str, ' ');
			break;
		default:
			Assert(false);
			break;
	}

	appendStringInfoString(str, "TO ");
	appendStringInfoString(str, quote_identifier(rename_stmt->newname));
	appendStringInfoChar(str, ' ');

	deparseOptDropBehavior(str, rename_stmt->behavior);

	removeTrailingSpace(str);
}