diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml new file mode 100644 index daa56e9..e50408c *** a/doc/src/sgml/func.sgml --- b/doc/src/sgml/func.sgml *************** SELECT xmlagg(x) FROM (SELECT x FROM tes *** 13050,13056 **** Window functions provide the ability to perform calculations across sets of rows that are related to the current query row. See for an introduction to this ! feature. --- 13050,13057 ---- Window functions provide the ability to perform calculations across sets of rows that are related to the current query row. See for an introduction to this ! feature, and for syntax ! details. diff --git a/doc/src/sgml/ref/select.sgml b/doc/src/sgml/ref/select.sgml new file mode 100644 index b69b634..940d1aa *** a/doc/src/sgml/ref/select.sgml --- b/doc/src/sgml/ref/select.sgml *************** UNBOUNDED FOLLOWING *** 792,799 **** The default framing option is RANGE UNBOUNDED PRECEDING, which is the same as RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW; it sets the frame to be all rows from the partition start ! up through the current row's last peer in the ORDER BY ! ordering (which means all rows if there is no ORDER BY). In general, UNBOUNDED PRECEDING means that the frame starts with the first row of the partition, and similarly UNBOUNDED FOLLOWING means that the frame ends with the last --- 792,800 ---- The default framing option is RANGE UNBOUNDED PRECEDING, which is the same as RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW; it sets the frame to be all rows from the partition start ! up through the current row's last peer (a row that ORDER ! BY considers equivalent to the current row, or all rows if there ! is no ORDER BY). In general, UNBOUNDED PRECEDING means that the frame starts with the first row of the partition, and similarly UNBOUNDED FOLLOWING means that the frame ends with the last *************** UNBOUNDED FOLLOWING *** 817,823 **** results if the ORDER BY ordering does not order the rows uniquely. The RANGE options are designed to ensure that rows that are peers in the ORDER BY ordering are treated ! alike; any two peer rows will be both in or both not in the frame. --- 818,824 ---- results if the ORDER BY ordering does not order the rows uniquely. The RANGE options are designed to ensure that rows that are peers in the ORDER BY ordering are treated ! alike; all peer rows will be in the same frame. diff --git a/doc/src/sgml/syntax.sgml b/doc/src/sgml/syntax.sgml new file mode 100644 index 434a894..2f0680f *** a/doc/src/sgml/syntax.sgml --- b/doc/src/sgml/syntax.sgml *************** UNBOUNDED FOLLOWING *** 1877,1883 **** first peer row (a row that ORDER BY considers equivalent to the current row), while a frame_end of CURRENT ROW means the frame ends with the last equivalent ! peer. In ROWS mode, CURRENT ROW simply means the current row. --- 1877,1883 ---- first peer row (a row that ORDER BY considers equivalent to the current row), while a frame_end of CURRENT ROW means the frame ends with the last equivalent ! ORDER BY peer. In ROWS mode, CURRENT ROW simply means the current row. *************** UNBOUNDED FOLLOWING *** 1897,1903 **** which is the same as RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW. With ORDER BY, this sets the frame to be all rows from the partition start up through the current row's last ! peer. Without ORDER BY, all rows of the partition are included in the window frame, since all rows become peers of the current row. --- 1897,1903 ---- which is the same as RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW. With ORDER BY, this sets the frame to be all rows from the partition start up through the current row's last ! ORDER BY peer. Without ORDER BY, all rows of the partition are included in the window frame, since all rows become peers of the current row.