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Rename TABLE() to ROWS FROM().

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SQL-standard TABLE() is a subset of UNNEST(); they deal with arrays and
other collection types.  This feature, however, deals with set-returning
functions.  Use a different syntax for this feature to keep open the
possibility of implementing the standard TABLE().
This commit is contained in:
Noah Misch
2013-12-10 09:34:37 -05:00
parent 01cc1fecfd
commit 53685d7981
11 changed files with 123 additions and 123 deletions
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6
src/include/nodes/parsenodes.h
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@@ -466,11 +466,11 @@ typedef struct RangeSubselect
* RangeFunction - function call appearing in a FROM clause
*
* functions is a List because we use this to represent the construct
* TABLE(func1(...), func2(...), ...). Each element of this list is a
* ROWS FROM(func1(...), func2(...), ...). Each element of this list is a
* two-element sublist, the first element being the untransformed function
* call tree, and the second element being a possibly-empty list of ColumnDef
* nodes representing any columndef list attached to that function within the
* TABLE() syntax.
* ROWS FROM() syntax.
*
* alias and coldeflist represent any alias and/or columndef list attached
* at the top level. (We disallow coldeflist appearing both here and
@@ -481,7 +481,7 @@ typedef struct RangeFunction
NodeTag type;
bool lateral; /* does it have LATERAL prefix? */
bool ordinality; /* does it have WITH ORDINALITY suffix? */
bool is_table; /* is result of TABLE() syntax? */
bool is_rowsfrom; /* is result of ROWS FROM() syntax? */
List *functions; /* per-function information, see above */
Alias *alias; /* table alias & optional column aliases */
List *coldeflist; /* list of ColumnDef nodes to describe result